Willie is available for hire
Hire WillieWillie Jan Altarejos
Verified Expert in Engineering
MuleSoft Developer
Mandaluyong, NCR, Philippines
Toptal member since March 10, 2023
Bio
Willie is a senior solutions architect specializing in data, AI, and integration with 18+ years of IT experience. He leads end-to-end architecture across presales, delivery, and cloud platforms, including GCP, Azure, and AWS. With expertise in data pipelines, API-led connectivity, and enterprise systems like Workday and HubSpot, Willie has over 7 years of technical leadership. He builds innovative GenAI, LLM, and AI automation solutions to deliver commercial value for global enterprise clients.
Portfolio
New York Global Consultants, Inc
Workday, Workday API, Workday EIB, Workday Implementation, Workday HCM
Mobius NEXT
Anypoint Studio, MuleSoft Anypoint Platform, MuleSoft, ETL, Informatica, Jira...
Hello to Simplify, LLC
Stripe, Zapier, Squarespace, Subscription Processing, Payment Processing, IT...
Experience
- Integration - 14 years
- Web Services - 14 years
- Consulting - 12 years
- HubSpot - 6 years
- Anypoint Studio - 6 years
- MuleSoft Anypoint Platform - 6 years
- Solution Architecture - 5 years
- MuleSoft - 5 years
Work Experience
Workday Integrations Consultant
2025 - PRESENT
New York Global Consultants, Inc
- Led end-to-end delivery for regulatory data initiatives, executing over 80 integrations and 130 custom reports.
- Delivered 401(k) Secure 2.0 updates utilizing XSLT transformations and built Wellhub inbound data integrations.
- Enhanced Coupa Workday Financial Management integrations using Workday Studio and custom XSLT to sync data.
- Directed delivery governance and maintained critical-item trackers while providing technical architecture reviews.
Technologies: Workday, Workday API, Workday EIB, Workday Implementation, Workday HCM
Solutions Architect | Principal Consultant
2021 - PRESENT
Mobius NEXT
- Built complex benefits and time tracking integrations across Workday, ShapeIN, and Atoss for an IT services client.
- Delivered GenAI proof of concepts using Gemini and built automated AI agents on n8n for invoice processing.
- Made integration designs for several projects, including a parking solution, a customer data platform, and a residential and work request system. Worked on ETL integration design with Informatica.
- Created designs and implemented the exam management integration for a consultancy client on a higher ed project. Participated in SIT, UAT, and post-production deployment. Tested post-environment upgrade and implemented revision on additional fields.
- Designed and uplifted Mule integrations to version 4, including procurement, locations, transportation concession, special considerations, industry community projects, utility, broadcast, and employee API.
- Led solution architecture for complex client inquiries, defining high-level estimates and implementation roadmaps.
- Defined company directions and priorities. Planned, managed, monitored, and financed company initiatives and ventures. Provided technical input, estimates, costing, and resource planning on projects. Worked with company consultants.
- Trained and mentored associates. Identified and pursued opportunities. Reached out and established partnerships with vendors and technology partners.
- Conducted R&D on generative AI/LLMs (Google Gemini and Claude), AI agents, and workflow automation (n8n), building POCs for email managers, invoice AI agents, and newsletter automations.
- Led HubSpot solutions practice, launching new service offerings and developing a solution delivery framework for HubSpot, AI, and mobile app solutions.
Technologies: Anypoint Studio, MuleSoft Anypoint Platform, MuleSoft, ETL, Informatica, Jira, Confluence, Jenkins, SoapUI, Postman, Oracle Database, Web Services, REST, Solution Architecture, Technical Architecture, High-performance Design, Technical Design, Unit Testing, System Integration Testing (SIT), IT Service Management (ITSM), Stakeholder Management, Change Management, XML, APIs, Miro, Enterprise Resource Planning (ERP), Customer Relationship Management (CRM), Data Integration, DataWeave, Git, Data Transformation, HubSpot, Monday.com, Project Discovery, Architecture, Data Visualization, Microsoft Project, Microsoft Excel, Data Strategy, MySQL, SQL Management Studio, Social APIs, Social Media Content, Make (formerly Integromat), HubSpot API, WordPress, PHP, Databases, Enterprise Architecture, API Integration, Integration, Cloud Computing, Consulting, Solution Design, REST APIs, Legacy Code, Landing Pages, API Development, Authentication, Databricks, Zapier, CSV, Python, Bots, WhatsApp, API Architecture, API Testing, API Design, Back-end Architecture, AI Agents, HubSpot CRM, Workflow Automation & System Integration, Data Management, JavaScript, Email Automation, Automation, Cloud, Data Analysis, Funnel Analysis, Sales Funnel, Performance Marketing, Agentic AI, Cursor AI, Claude, Google Cloud Platform (GCP), GitHub, Data Labeling, Data Annotation, HubSpot Marketing Hub, CSS, System Architecture, Typeform, Recurly, B2C, Intuit QuickBooks, Ticket Systems, LinkedIn API, Google Sheets, Actions on Google, QuickBooks API, MuleSoft API, DNS, DNS Configuration, Gmail, Gmail API, Technical Writing, AI Prompts, Retrieval-augmented Generation (RAG), Large Language Models (LLMs), Error Handling, Azure Cosmos DB, Node.js, Technical Documentation, Data Modeling, Machine Learning, SaaS, CRM Design, Zoho CRM, Stripe API, Stripe Checkout, Data Migration, CRM Implementation (Salesforce), CRM Systems, Lawmatics, AI Design, AI Programming, Natural Language Processing (NLP), Prompt Engineering, Software Architecture, Vector Databases, Webflow, Agentic Frameworks, Agentic RAG Systems, Google Calendar, Documentation, Twilio, Microsoft Power Automate, Business Email, IT Consulting, Salesforce REST API, Salesforce, Microsoft Access, Google Workspace, Sales Operations, Requirements Analysis, Business Analysis, Systems Analysis, Product Management, System Integration, CRM APIs, Webhooks, Technical Leadership, IT, Workday Report Design, Workday API, PostgreSQL, Artificial Intelligence (AI), Marketing, RAG Architecture, Data Lakes, Back-end, AI Integration, RAG Systems, Model Context Protocol (MCP), Workflows, LLM Integration, Cloud Infrastructure, Go, Rust, TypeScript, Debugging, AI Model Training, Advisory, CRM, CTO, Fractional CTO, Enterprise Systems, Third-party APIs, Third-party Integration, Product Discovery, Product Development, Troubleshooting, AI Chatbots, Administration, Reporting, Web Development, Google Kubernetes Engine (GKE), GCP Security, SKUs, System Design, Workflow, Lead Generation, AI-assisted Development, React, Claude Code, Tailwind CSS, Next.js, Front-end Development, Qoder
Stripe Integration Specialist for Billing Date Optimization
2025 - 2026
Hello to Simplify, LLC
- Automated monthly billing cycles by integrating Zapier with the Stripe API, shifting 100% of new subscription charges from immediate checkout to a synchronized 1st-of-the-month schedule.
- Developed a deferred payment workflow for a Squarespace-hosted site, successfully delaying credit card processing while maintaining secure payment authorizations at the point of sale.
- Optimized the subscription pipeline through rigorous testing of API triggers, reducing billing errors and manual intervention by 20% during the transition to the new schedule.
Technologies: Stripe, Zapier, Squarespace, Subscription Processing, Payment Processing, IT, Marketing, Node.js, Back-end, Workflows, Cloud Infrastructure, Debugging, Advisory, Enterprise Systems, Third-party APIs, Third-party Integration, Troubleshooting, System Design, Workflow, CRM
Technical Writer
2025 - 2025
Cambaa LLC
- Created and edited technical documentation, including architectural diagrams and explanations.
- Collaborated with engineering teams to understand technical systems and architecture.
- Developed comprehensive and accessible content that communicates complex technical concepts.
Technologies: Technical Writing, Technical Documentation, CRM Design, AI Design, Software Architecture, Documentation, Requirements Analysis, Systems Analysis, System Integration, IT, System Architecture, Debugging, Advisory, Enterprise Systems, System Design
Zapier API Developer
2025 - 2025
Story of Self LLC
- Developed a custom Zapier integration to connect the Mighty Networks community platform with HubSpot.
- Utilized Zapier Tables to create a stable and manageable system for maintaining event and event date data.
- Automated subscription management by integrating portal data into HubSpot Static Lists, eliminating manual data entry and reliably triggering processing workflows.
Technologies: Zapier, Mighty Networks, HubSpot, HubSpot API, SaaS, CRM Design, CRM Systems, Requirements Analysis, Systems Analysis, System Integration, Stripe, CRM APIs, Webhooks, IT, Back-end, Workflows, Cloud Infrastructure, Debugging, Advisory, CRM, Enterprise Systems, Third-party APIs, Third-party Integration, Troubleshooting, System Design, Workflow, Lead Generation
HubSpot Developer
2025 - 2025
Michael James Remodeling LLC
- Optimized HubSpot workflows to ensure all leads from all channels are captured, processed, and assigned correctly.
- Implemented enhanced spam protection and security on public forms.
- Stopped lead leakage, providing the sales team with a reliable, automated pipeline.
Technologies: HubSpot, JavaScript, CSS, HubSpot Marketing Hub, HubSpot API, HubSpot CRM, SaaS, CRM Design, CRM Systems, Requirements Analysis, Systems Analysis, System Integration, IT, Marketing, Back-end, Workflows, Debugging, Advisory, CRM, Enterprise Systems, Third-party APIs, Third-party Integration, Troubleshooting, System Design, Workflow, Lead Generation
Technical Delivery Manager
2024 - 2024
Inchcape Digital
- Managed team priorities, leading team leads and members, and communicating with stakeholders.
- Oversaw service management as a level two escalation point person, collaborating with team members and market stakeholders.
- Led technical leadership to implement team-wide initiatives based on leadership directives.
Technologies: MuleSoft, Apigee, Robotic Process Automation (RPA), Integration, Management, ITIL, Data Visualization, Microsoft Excel, eCommerce, Data Strategy, IT Service Management (ITSM), API Integration, Cloud Computing, Security, XSLT, Change Management, MuleSoft Anypoint Platform, XML, APIs, REST APIs, API Development, IT Project Management, CSV, API Architecture, API Testing, API Design, Back-end Architecture, Automation, Data Analysis, BI Reporting, Google Cloud Platform (GCP), GitHub, Ticket Systems, MuleSoft API, Technical Writing, Error Handling, Technical Documentation, Data Modeling, Data Migration, AI Design, Documentation, Requirements Analysis, Business Analysis, Systems Analysis, Product Management, System Integration, Webhooks, Technical Leadership, IT, Cloud Infrastructure, Debugging, Advisory, Enterprise Systems, Third-party APIs, Third-party Integration, Troubleshooting, Administration, Reporting, System Design, Workflow, Lead Generation, CRM
Solutions Architect
2023 - 2024
Security Bank Corporation
- Worked on overseeing approved solution architecture implementation for four projects: Oracle Financials Remediation, Regulatory Reporting, Qualtrics CSAT Survey, and International Transaction Reporting Systems.
- Collaborated with the vendor on the Qualtrics CSAT project, focusing on requirements documentation, functional design creation, and review and approval.
- Communicated with the project team and vendor on technical aspects of the implementation, such as API testing, vendor-required infra and accesses, and coordination with other internal teams, such as the Enterprise API Team.
Technologies: Amazon Managed Workflows for Apache Airflow (MWAA), Amazon Web Services (AWS), Solution Architecture, Data Engineering, Financials, API Integration, ETL, Postman, Technical Design, JSON, XML, APIs, Enterprise Resource Planning (ERP), Oracle Financials, Cloud Platforms, Project Discovery, Architecture, Microsoft Excel, Data Strategy, Data Science, Enterprise Architecture, Integration, Cloud Computing, Security, Solution Design, REST APIs, Miro, Legacy Code, API Development, Authentication, IT Project Management, CSV, API Architecture, API Testing, API Design, Back-end Architecture, Data Management, Data Analysis, BI Reporting, GitHub, System Architecture, Ticket Systems, Technical Writing, Error Handling, Technical Documentation, Data Modeling, Machine Learning, AI Design, Software Architecture, Documentation, Salesforce REST API, Salesforce, Requirements Analysis, Business Analysis, Systems Analysis, System Integration, Webhooks, Technical Leadership, IT, Cloud Infrastructure, Debugging, Advisory, Enterprise Systems, Third-party APIs, Third-party Integration, Troubleshooting, Reporting, GCP FInOps, System Design, Workflow, Lead Generation, CRM
Technical Architect
2019 - 2021
DXC Technology
- Contributed to reviewing and responding to RFPs on over 20 opportunities. Provided technical input, estimates, costing, and resource planning. Attended and participated in the Manila resource planning meeting.
- Worked on MuleSoft retail POC for an FMCG, implementing eight RFPs from the accelerator. Provided instructions to two developers, reviewed code, and did actual coding for the template standardization and in the notifications API (SMS and email).
- Participated in global application integration services as a MuleSoft capability lead in PH. Worked on innovations workstreams for DXC Manila. Developed proof of concepts for MuleSoft and Azure DevOps, code scanning, Artifactory API, and Common API.
- Set up Runtime Fabric POC on DXC CloudHub for RFP demonstration purposes. Presented to the potential client along with the bid team. Explained the approaches to address the RFP asks in MuleSoft DevOps, DevOps tooling, DevOps approach, and practices.
- Helped review the AIS delivery methodology by working with an integration architect from India. Worked with counterparts in India for the standard code review and production readiness estimation tool review.
- Onboarded as part of the platform team for a manufacturing client. Investigated and provided feedback on Mendix API performance issue, which involves MuleSoft Runtime Fabric on Azure. Set up MuleSoft Runtime Fabric for an automation initiative.
- Participated in architecture discussions of MuleSoft Initiatives. Conducted review of use cases, requirements, and specifications provided design suggestions, feasibility review leading to proposals, estimates, and resource plan.
- Developed and utilized a MuleSoft integration estimation tool. Worked with SAP Ariba GIS integration as one of the architected solutions. Managed the delivery team in technical inquiries, delivery, and deployment tasks.
- Set up and demoed Ansible playbooks for updating RTF and appliance operating system initiatives. Drafted operations architecture for MuleSoft and Azure. Demonstrated code scanning, SAST using SonarQube and GitLab libraries with MuleSoft DevOps.
- Participated in the MuleSoft current and future mode of operations consulting for the manufacturing client, drafting a proposal for the DevOps team, including tools, methodology, and practice setup.
Technologies: Anypoint Studio, MuleSoft, MuleSoft Anypoint Platform, DevOps, Azure, Estimations, Sales, Solution Architecture, Technical Architecture, Technical Design, Workday, Workday EIB, Workday Report Design, Web Services, XSLT, JSON, IT Service Management (ITSM), Request for Proposal (RFP), Apache Kafka, APIs, REST APIs, Enterprise Resource Planning (ERP), Salesforce, Data Integration, DataWeave, Git, Data Transformation, Project Discovery, Architecture, Salesforce API, Microsoft Excel, SQL Management Studio, Management, API Integration, Integration, Cloud Computing, Consulting, Solution Design, XML, Legacy Code, API Development, IT Project Management, CSV, API Architecture, API Testing, API Design, Back-end Architecture, HTML, System Architecture, Intuit QuickBooks, Ticket Systems, MuleSoft API, Technical Writing, Error Handling, Technical Documentation, Data Modeling, Data Migration, CRM Systems, AI Design, Software Architecture, Documentation, Requirements Analysis, Systems Analysis, System Integration, CRM APIs, Webhooks, Technical Leadership, IT, Workday API, Back-end, Debugging, Advisory, Enterprise Systems, Third-party APIs, Third-party Integration, Troubleshooting, Administration, System Design, Workflow
Senior Consultant | Team Lead
2018 - 2019
Deloitte (Deloitte Consulting Philippines Delivery Center)
- Implemented new APIs and updated existing apps for an insurance client. Performed unit testing via MUnit and functional testing via Postman BDD. Utilized DevOps methodology, Git, Bamboo, Jira, Bitbucket, and Slack notifications.
- Acted as an internal admin, monitoring finance and time charges, validating and sending them to clients. Onboarded new hires and caught up with team members, talking about tasks, status, and wellness. Provided performance reviews for team members.
- Implemented Workday integrations to the capital management company's systems and MuleSoft. Performed unit testing and end-to-end testing. Updated document deliverables, such as technical design documents, unit testing documents, and build checklists.
- Provided feedback and review on MuleSoft integrations for a capital management company. Ensured MuleSoft and Workday integration quality. Developed project and budget integration with Workday and project management system.
- Developed reference MuleSoft code messaging and MQ capability for an education client. Set up and utilized ActiveMQ instead of Anypoint MQ for the reference code. Implemented logging and ID conventions.
Technologies: Anypoint Studio, MuleSoft, MuleSoft Anypoint Platform, Anypoint MQ, Unit Testing, Testing, System Integration Testing (SIT), Technical Design, Postman, DevOps, Jira, Confluence, Bitbucket, Jenkins, Slack, Workday, Financials, Web Services, REST, XSLT, IT Service Management (ITSM), XML, APIs, REST APIs, Insurance, Enterprise Resource Planning (ERP), Customer Relationship Management (CRM), Salesforce, Data Integration, DataWeave, Git, Data Transformation, Salesforce API, Microsoft Excel, SQL Management Studio, Management, API Integration, Integration, Consulting, Solution Design, API Development, CSV, API Architecture, API Testing, API Design, Back-end Architecture, GitHub, Ticket Systems, MuleSoft API, Technical Writing, Error Handling, Technical Documentation, Data Modeling, CRM Implementation (Salesforce), CRM Systems, AI Design, Documentation, Salesforce REST API, Requirements Analysis, Telecommunications, Systems Analysis, System Integration, CRM APIs, Webhooks, IT, Workday Report Design, Workday API, Debugging, Advisory, Enterprise Systems, Third-party APIs, Third-party Integration, Troubleshooting, System Design, Workflow, Reporting
Lead Workday Developer
2017 - 2018
Concentrix (formerly ServiceSource International Philippines)
- Implemented, enhanced, and supported Workday integrations. Resolved issues raised by the support ticketing system. Communicated with stakeholders from different functions. Proposed, clarified, and recommended solutions.
- Integrated Workday to Litmos learning management system via REST API. Understood and applied recruitment business process and Workday web service equivalent. Defined and implemented integration security. Created and updated existing BIRT reports.
- Participated in change management board process. Followed the audit process for SOX compliance. Administered other business applications like Okta and Litmos LMS. Utilized client tooling such as Salesforce as an issue-tracking tool and ITSM.
Technologies: Workday, Workday EIB, Workday Report Design, Workday Implementation, Web Services, XSLT, REST, SoapUI, Postman, Learning Management Systems (LMS), BIRT, Okta, Change Management, IT Service Management (ITSM), Solution Design, Technical Design, XML, JSON, APIs, REST APIs, Enterprise Resource Planning (ERP), Customer Relationship Management (CRM), Data Integration, Data Transformation, Microsoft Excel, Integration, CSV, Data Analysis, Ticket Systems, Technical Writing, Error Handling, Technical Documentation, SaaS, AI Design, Documentation, Salesforce REST API, Requirements Analysis, Systems Analysis, System Integration, Webhooks, IT, Workday API, Back-end, Debugging, Advisory, Enterprise Systems, Third-party APIs, Third-party Integration, Troubleshooting, Administration, System Design, Workflow, Reporting
Senior HR IT Integrations Expert
2016 - 2017
Unilever
- Implemented, enhanced, and supported Workday integrations. Communicated with stakeholders from different functions. Proposed, clarified, and recommended solutions.
- Implemented Workday payslip integration. Assessed impacts being brought by updates in integrations.
- Tested Workday upgrade. Defined and implemented Workday integration security. Trained in MuleSoft Anypoint development.
Technologies: Workday, Workday EIB, Workday Report Design, Workday Implementation, Web Services, XSLT, MuleSoft, Technical Design, XML, Enterprise Resource Planning (ERP), Data Integration, Data Transformation, Retail & Wholesale, Integration, CSV, Data Analysis, Technical Documentation, SaaS, Documentation, Requirements Analysis, Systems Analysis, System Integration, IT, Workday API, Back-end, Debugging, Advisory, Enterprise Systems, Third-party Integration, Troubleshooting, System Design, Workflow, Reporting
Workday Integration Consultant
2015 - 2016
KPMG
- Continued tasks from carried-over Towers Watson projects (manufacturing and telecommunications client) during the post-KPMG acquisition of the human resources services delivery division.
- Designed, developed, tested, and documented deliverable integrations. Communicated with stakeholders. Proposed, clarified, and recommended solutions.
- Enhanced a previously developed global payroll integration solution. Interfaced with SAP HCM via SAP infotypes. Utilized SAP infotypes for human capital, payroll, and benefits.
- Mapped the SAP infotype file into Workday PECI XML with confirmation from onshore SAP subject matter experts. Defined and implemented Workday integration security.
Technologies: Workday, Workday EIB, Workday Report Design, Workday Implementation, Web Services, XSLT, SAP Infotype, Technical Design, XML, Enterprise Resource Planning (ERP), Data Integration, Data Transformation, Retail & Wholesale, Integration, CSV, Technical Documentation, SaaS, Documentation, Requirements Analysis, Systems Analysis, System Integration, IT, Workday API, Back-end, Debugging, Advisory, Enterprise Systems, Third-party Integration, Troubleshooting, System Design, Workflow, Reporting
Workday Integration Consultant
2013 - 2015
Willis Towers Watson
- Proposed, clarified, and recommended solutions. Developed custom report EIB integrations. Communicated with stakeholders. Distributed workload to other developers. Designed, developed, tested, and documented integrations for a manufacturing client.
- Supported, enhanced, and maintained integrations for a telecommunications client. Communicated with stakeholders, proposing, clarifying, and recommending solutions. Defined and implemented Workday integration security.
- Designed, developed, tested, and documented delivered integrations for a manufacturing client. Communicated with stakeholders. Proposed, clarified, and recommended solutions. Resolved integration issues and enabled global payroll integration.
Technologies: Workday, Workday EIB, Workday Report Design, Workday Implementation, Web Services, XSLT, Technical Design, Unit Testing, Integration Testing, System Integration Testing (SIT), XML, Enterprise Resource Planning (ERP), Data Integration, Data Transformation, Retail & Wholesale, Integration, CSV, Technical Documentation, SaaS, Documentation, Requirements Analysis, Systems Analysis, System Integration, IT, Workday API, Back-end, Debugging, Advisory, Enterprise Systems, Third-party Integration, Troubleshooting, System Design, Reporting
Integration Developer
2013 - 2013
Macquarie Group
- Performed carryover tasks from Vertere as I continued my tenure as a direct employee.
- Developed, updated, maintained, supported, and tested for new and existing integration projects.
- Supported existing webMethods Integration Platform. Utilized client tooling—Confluence, Jira, and Green Hat Tester.
Technologies: webMethods, SoapUI, Jira, Confluence, Anypoint Studio, XML, Data Integration, Data Transformation, Integration, Requirements Analysis, Systems Analysis, System Integration, IT, Back-end, Debugging, Enterprise Systems, Third-party Integration, Troubleshooting, System Design
Middleware Integration Developer
2011 - 2013
Vértere Global Solutions
- Supported, developed, updated, maintained, and tested new and existing integration projects for a financial services client. Migrated JBoss and web services layer from JDK 6 to 7.
- Developed integrations in IBM Message Broker and data transformation using Java for a consumer business client. Performed unit testing using Mockito and JUnit and utilized DevOps methodology and practices such as Jenkins, Mercurial, and Confluence.
- Implemented OSB business and proxy services for a public sector client. Developed transformation and mapping using XQuery. Performed unit and integration testing using SoapUI. Developed integrations with Siebel CRM and Oracle ADF.
Technologies: webMethods, Jira, Confluence, IBM MQ, Unit Testing, JUnit, Jenkins, Mercurial, Oracle Service Bus (OSB), SoapUI, SOAP, Web Services, TortoiseSVN, Technical Design, Anypoint Studio, Data Integration, Data Transformation, SQL Management Studio, Integration, Requirements Analysis, Systems Analysis, System Integration, IT, Back-end, Debugging, Enterprise Systems, Third-party Integration, Troubleshooting, System Design
Technical Associate
2008 - 2011
GlobalBridge Resources
- Provided technical support to the internal systems of the client in the banking industry.
- Developed a utility program for exporting files for credit card transactions.
- Made a program for a fund management system that accesses web services.
- Built a VB .NET-based client application that displays and layouts data for home and auto loan reporting.
Technologies: Visual Basic .NET (VB.NET), Java, SQL, Apache Tomcat, Crystal Reports, Oracle Database, Web Services, Databases, HTML, BI Reporting, CSS, Requirements Analysis, IT, Debugging, Third-party Integration
Project History
Workday Global Payroll Integration
This Workday Studio integration is designed to process a PICOF payroll file, transform it, and send it to multiple destinations. I initially developed this in 2015 for a manufacturing client and revised 2016 for another client. The revision features the utilization of document tags, which makes routing easier.
Mule 4 Uplift
The higher ed client implemented MuleSoft several years earlier, with APIs developed in the Mule 3 version. The extended end-of-support warranty for Mule 3 version apps will transpire by 2024. There was a need to uplift existing Mule 3 apps into Mule 4.
I was tasked to create designs to uplift the Mule 3 integrations to Mule 4. The APIs in scope are procurement, locations, transportation concession, special considerations, industry and community projects, utility, broadcast, employee API HR, and exam manager. Uplift required analysis of the integrations on the business and technical levels, creating a high-level design, technical design, and development.
I worked on high-level designs and presented them to the integration review board for approval. As for the exam manager, I am also involved as the developer, test support, and further in the 2023 changes, such as integration tests for server upgrades and the addition of ExamType field mapping.
The objective of decommissioning the Mule 3 integrations was met, guaranteeing vendor support for the Mule 4 APIs.
I was tasked to create designs to uplift the Mule 3 integrations to Mule 4. The APIs in scope are procurement, locations, transportation concession, special considerations, industry and community projects, utility, broadcast, employee API HR, and exam manager. Uplift required analysis of the integrations on the business and technical levels, creating a high-level design, technical design, and development.
I worked on high-level designs and presented them to the integration review board for approval. As for the exam manager, I am also involved as the developer, test support, and further in the 2023 changes, such as integration tests for server upgrades and the addition of ExamType field mapping.
The objective of decommissioning the Mule 3 integrations was met, guaranteeing vendor support for the Mule 4 APIs.
Data Pipeline for Worker and Organization APIs
The pharmaceutical client wanted to develop version 2.0 of its worker and organization APIs. Data would come from Workday, and objects, such as personal information, address, and job for worker API, or cost center, company, location, and supervisory organization for organization API separate its structure.
The data pipeline consists of Workday, AWS S3, Talend, Mongo DB, and MuleSoft. The file extract from Workday (JSON) is stored in AWS S3, processed by Talend, then stored in MongoDB, and retrieved by MuleSoft APIs.
My contribution was developing the Workday integration via Workday Studio, custom reports, and core connectors, performing event and change detection, transforming the XML output into JSON, sending it to AWS S3, scheduling the integrations, and supporting the SIT and UAT.
The data pipeline consists of Workday, AWS S3, Talend, Mongo DB, and MuleSoft. The file extract from Workday (JSON) is stored in AWS S3, processed by Talend, then stored in MongoDB, and retrieved by MuleSoft APIs.
My contribution was developing the Workday integration via Workday Studio, custom reports, and core connectors, performing event and change detection, transforming the XML output into JSON, sending it to AWS S3, scheduling the integrations, and supporting the SIT and UAT.
Education
2023 - 2025
Master's Degree in Information Technology
AMA Computer University - Quezon City
2004 - 2008
Bachelor of Science Degree in Computer Science
Cavite State University - Indang, Cavite, Philippines
2001 - 2003
Coursework in Applied Computer Science
Asian Institute of Computer Studies - Bacoor, Cavite, Philippines
Certifications
FEBRUARY 2026 - FEBRUARY 2029
Generative AI Leader
FEBRUARY 2026 - PRESENT
AI Essentials for Partners
HubSpot
FEBRUARY 2026 - PRESENT
Breeze Essentials for Partners
HubSpot
JUNE 2025 - JUNE 2028
Associate Cloud Engineer
MAY 2025 - MAY 2027
HubSpot Solutions Partner
HubSpot
MAY 2025 - JUNE 2026
Objectives-Based Onboarding
HubSpot
MAY 2025 - JUNE 2026
Service Hub Software
HubSpot
APRIL 2025 - MAY 2026
Platform Consulting
HubSpot
APRIL 2025 - APRIL 2028
Cloud Digital Leader
MARCH 2025 - APRIL 2026
HubSpot Marketing Software Certified
HubSpot
FEBRUARY 2025 - MARCH 2026
HubSpot Sales Software Certified
HubSpot
JANUARY 2025 - FEBRUARY 2026
HubSpot Guided Client Onboarding
HubSpot
JANUARY 2025 - FEBRUARY 2026
HubSpot Growth-Driven Design Agency
HubSpot
DECEMBER 2024 - JANUARY 2026
Integrating With HubSpot I: Foundations
HubSpot
DECEMBER 2024 - JANUARY 2026
HubSpot Solutions Architecture Foundations
HubSpot
APRIL 2024 - MAY 2026
HubSpot Inboud Marketing
HubSpot
SEPTEMBER 2023 - AUGUST 2026
Certified in Cybersecurity
ISC2
JANUARY 2023 - JANUARY 2024
AZ-104: Azure Administrator Associate
Microsoft
JANUARY 2023 - JANUARY 2024
AZ-400: Microsoft Azure DevOps Engineer Expert
Microsoft
OCTOBER 2022 - OCTOBER 2023
DP-100: Microsoft Azure Data Scientist Associate
Microsoft
JANUARY 2022 - PRESENT
SC-900: Microsoft Security, Compliance, and Identity Fundamentals
Microsoft
AUGUST 2021 - PRESENT
AWS Partner: Cloud Economics Accreditation
Amazon Web Services (AWS)
JULY 2021 - PRESENT
DP-900: Microsoft Azure Data Fundamentals
Microsoft
JUNE 2021 - PRESENT
AI-900: Microsoft Azure AI Fundamentals
Microsoft
MAY 2021 - MAY 2023
MuleSoft Certified Platform Architect - Level 1
MuleSoft
APRIL 2021 - APRIL 2023
MuleSoft Certified Developer - Level 1 (Mule 4)
MuleSoft
JANUARY 2021 - PRESENT
AWS Partner Accreditation (Business)
Amazon Web Services (AWS)
MAY 2020 - PRESENT
AZ-900: Microsoft Azure Fundamentals
Microsoft
MARCH 2020 - PRESENT
ITIL Foundation Certificate in IT Service Management
Axelos
JANUARY 2020 - JANUARY 2022
MuleSoft Certified Developer: Integration Professional (Mule 3.8)
MuleSoft
JUNE 2019 - PRESENT
TOGAF 9 Certified
The Open Group
APRIL 2019 - PRESENT
Boomi Associate Developer Certification
Boomi
MARCH 2019 - MARCH 2021
MuleSoft Certified Integration Architect - Level 1
MuleSoft
AUGUST 2018 - AUGUST 2020
Certified Management Consultant (CMC)
Institute of Certified Management Consultants Philippines
MAY 2018 - PRESENT
PRINCE2 Foundation Project Management Certification
Axelos
AUGUST 2015 - DECEMBER 2022
Core Connector for Benefits
Workday
DECEMBER 2014 - DECEMBER 2022
Core Connector for Third Party Payroll
Workday
JUNE 2014 - DECEMBER 2022
Workday Studio for Integration Consultants
Workday
FEBRUARY 2014 - DECEMBER 2022
Integration Core Certification
Workday
JANUARY 2013 - DECEMBER 2022
Human Capital Management Services Overview
Workday
Skills
Libraries/APIs
REST APIs, Salesforce API, API Development, MuleSoft API, Salesforce REST API, Workday API, HubSpot API, Node.js, Stripe API, React, Apigee, Social APIs, Azure API Management, Typeform, LinkedIn API, QuickBooks API, Gmail API, Stripe
Tools
Anypoint Studio, Jira, Postman, Git, Microsoft Excel, SQL Management Studio, GitHub, Stripe Checkout, Claude Code, IntelliJ IDEA, Visual Studio, Apache Tomcat, Crystal Reports, Confluence, IBM MQ, Jenkins, Mercurial, SoapUI, TortoiseSVN, Bitbucket, Slack, Miro, Oracle Financials, Microsoft Project, Make (formerly Integromat), Zapier, n8n, Claude, Recurly, Google Sheets, Actions on Google, AI Prompts, Lawmatics, Microsoft Access, Google Workspace, Google Kubernetes Engine (GKE), GCP Security
Languages
XML, SQL, XSLT, DataWeave, HTML, Go, Rust, TypeScript, Java 8, PHP, Visual Basic 6 (VB6), Visual Basic .NET (VB.NET), Java, Python, JavaScript, CSS
Paradigms
API Architecture, Back-end Architecture, Requirements Analysis, REST, Change Management, Automation, Azure DevOps, Unit Testing, Testing, DevOps, ETL, Management, ITIL, B2C, Model Context Protocol (MCP)
Platforms
MuleSoft, Salesforce, HubSpot, Azure, Eclipse, Oracle Database, webMethods, BIRT, Apache Kafka, Amazon Web Services (AWS), WordPress, Databricks, Google Cloud Platform (GCP), Zoho CRM, Webflow, Twilio, Microsoft Power Automate, Vertex AI, Visual Studio Code (VS Code)
Frameworks
Tailwind CSS, Next.js, JUnit, Agentic Frameworks
Storage
JSON, Data Integration, MySQL, Azure Cosmos DB, PostgreSQL, Databases, Dell Boomi, Amazon S3 (AWS S3), Google Cloud, Data Lakes
Industry Expertise
Insurance, Retail & Wholesale, Cybersecurity, Telecommunications, Marketing
Other
Systems Analysis, Artificial Intelligence (AI), Architecture, API Integration, Integration, Web Services, SOAP, MuleSoft Anypoint Platform, APIs, Project Discovery, CSV, API Testing, API Design, HubSpot CRM, System Architecture, Ticket Systems, Technical Writing, Technical Documentation, Documentation, System Integration, Webhooks, Technical Leadership, IT, Back-end, Debugging, Advisory, CRM, Enterprise Systems, Third-party APIs, Third-party Integration, Troubleshooting, System Design, Programming, IT Project Management, Cloud Computing, Consulting, Workday HCM, Workday EIB, Workday Report Design, Workday Implementation, Workday, Solution Architecture, Technical Architecture, Stakeholder Management, RAML, Enterprise Resource Planning (ERP), Customer Relationship Management (CRM), Data Transformation, Legacy Code, Cloud, Data Analysis, BI Reporting, HubSpot Marketing Hub, DNS, DNS Configuration, Gmail, Large Language Models (LLMs), Data Modeling, Machine Learning, SaaS, CRM Design, CRM Systems, AI Design, Prompt Engineering, Software Architecture, Sales Operations, Business Analysis, Computer Science, AI Integration, RAG Systems, Workflows, Cloud Infrastructure, CTO, Fractional CTO, Product Discovery, Product Development, Administration, Reporting, SKUs, Workflow, Lead Generation, AI-assisted Development, Front-end Development, Research, Data Science, Enterprise Architecture, IT Service Management (ITSM), Security, Oracle Service Bus (OSB), SAP Infotype, Learning Management Systems (LMS), Okta, Solution Design, Technical Design, Integration Testing, System Integration Testing (SIT), Anypoint MQ, Financials, Estimations, Sales, Request for Proposal (RFP), Informatica, High-performance Design, Monday.com, Amazon Managed Workflows for Apache Airflow (MWAA), Data Engineering, Cloud Platforms, Robotic Process Automation (RPA), Data Visualization, eCommerce, Data Strategy, Social Media Content, Landing Pages, Authentication, Bots, WhatsApp, AI Agents, Workflow Automation & System Integration, Data Management, Email Automation, Funnel Analysis, Sales Funnel, Performance Marketing, Information Technology, Agentic AI, Cursor AI, Data Labeling, Data Annotation, Intuit QuickBooks, Retrieval-augmented Generation (RAG), Error Handling, Subscription Processing, Payment Processing, Mighty Networks, Data Migration, CRM Implementation (Salesforce), AI Programming, Natural Language Processing (NLP), Vector Databases, Agentic RAG Systems, Google Calendar, Business Email, IT Consulting, Product Management, CRM APIs, Squarespace, Breeze AI, Gemini, Gemini API, HubSpot Service Hub, RAG Architecture, AI Marketing, LLM Integration, Multitenancy, AI Model Training, AI Chatbots, Web Development, GCP FInOps, Qoder
Collaboration That Works
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1
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2
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3
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Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.
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