Jerome is available for hire
Hire JeromeJerome Ortega
Verified Expert in Engineering
DevOps Engineer and Software Developer
Location
Milton, ON, Canada
Toptal Member Since
June 17, 2021
Jerome is a certified DevOps engineer with extensive knowledge of microservice architecture, web application delivery, and web service management on cloud and containers. In addition, he is knowledgeable on DevOps's people, process, and technology aspects. Jerome is agile, pragmatic, and gets things done.
Portfolio
Cascadeo AI
Go, Serverless, GitLab CI/CD, Amazon Web Services (AWS), Data Science...
Bloomberg Industry Group - Main
Amazon Web Services (AWS), Containers, Terraform, Kubernetes, Splunk, Linux...
BMO Bank of Montreal
Amazon Web Services (AWS), AWS Lambda, Open Banking, Splunk, Linux...
Experience
Availability
Part-time
Preferred Environment
Amazon Web Services (AWS), Kubernetes, AWS Lambda, Linux, Cloud, Serverless
The most amazing...
...project I've done is refactoring a data platform product into a microservice architecture that led to faster deployment and lower error rates.
Work Experience
Senior DevOps Engineer | Software Engineer | Consultant
2019 - PRESENT
Cascadeo AI
- Served as a lead DevOps engineer and software engineer in the core team tasked with full-stack software delivery and management of an AIOps platform product written on Go, Node.js, and Python, running on AWS Lambda, DynamoDB, and more.
- Streamlined the software development process and deployment by implementing Scrum, refactoring application architecture, and optimizing a CI/CD pipeline using GitLab CI and MLOps and DevOps processes, which reduced deployment error to almost zero.
- Wrote Architecture Decision Records (ADR) and led the domain-driven microservice architecture design, implementation, and refactoring of product components.
- Led the UI/UX refactoring of a data-intensive application that resulted in a significant positive user experience.
- Integrated OpenAI and other LLMs using LangChain in the application.
- Troubleshot issues efficiently using CloudWatch Logs, CloudWatch metrics, X-Ray, and more.
Technologies: Go, Serverless, GitLab CI/CD, Amazon Web Services (AWS), Data Science, Amazon DynamoDB, AWS Lambda, Serverless Framework, Microservices, Test-driven Development (TDD), Vue, Node.js, JavaScript, TypeScript, NoSQL, Amazon API Gateway, Kubernetes, Machine Learning Operations (MLOps), Artificial Intelligence (AI), Generative Pre-trained Transformers (GPT), Data Engineering, Linux, Python, Docker, Message Queues, Redshift, Redis, MySQL, Celery, Digital Platform Development, Amazon Elastic Container Service (Amazon ECS), Amazon RDS, Amazon EC2, Continuous Integration (CI), Continuous Delivery (CD), Amazon S3 (AWS S3), CI/CD Pipelines, Git, Lambda Functions, Cloud, APIs, API Gateways, Swagger, Serverless Architecture, REST APIs, Scripting, Boto 3, ETL, Cloud Security, Security, Amazon CloudFront CDN, JSON Web Tokens (JWT), Microservices Architecture, Google Cloud Platform (GCP), Bash, GitHub, GitOps, ECS, Unix, Monitoring, Amazon Route 53, Apache, Apache2, TCP/IP, Build & Release Engineering, Web Servers, ELK (Elastic Stack)
Platform Engineer
2022 - 2023
Bloomberg Industry Group - Main
- Accelerated the development of an Infrastructure as Code (IaC) compliance engine which was used by the organization to help developers create secure and cost-effective IaC.
- Assisted the security team in developing policy as code (Rego and OPA), which accelerated their policy development.
- Integrated the aforementioned compliance engine with the organization's GitLab instance, which enabled developers to get feedback in the early stages of development.
Technologies: Amazon Web Services (AWS), Containers, Terraform, Kubernetes, Splunk, Linux, Microservices, Python, Docker, Message Queues, Digital Platform Development, Continuous Integration (CI), Continuous Delivery (CD), Amazon S3 (AWS S3), Cloud, Site Reliability Engineering (SRE), Serverless Architecture, REST APIs, Scripting, Boto 3, Vulnerability Assessment, Cloud Security, Security, Amazon CloudFront CDN, Bash, GitHub, GitOps, Unix, Amazon Route 53, Build & Release Engineering, Web Servers
Lead Cloud Engineer
2022 - 2022
BMO Bank of Montreal
- Designed and implemented the OpenAPIs to expose the bank's internal system to the third party for open banking purposes.
- Recommended solutions to the cloud engineering team on bottlenecks and other cloud deployment-related issues.
- Presented, designed, and implemented solutions to various teams in the bank for gating purposes (e.g., information security, business, API Review Council (APIRC), and more).
- Provided advice and recommendations to the architecture team on solutions presented.
Technologies: Amazon Web Services (AWS), AWS Lambda, Open Banking, Splunk, Linux, Microservices, Python, Message Queues, Continuous Integration (CI), Continuous Delivery (CD), Amazon S3 (AWS S3), CI/CD Pipelines, Git, Lambda Functions, Cloud, Serverless Architecture, REST APIs, Scripting, Boto 3, Vulnerability Assessment, Cloud Security, Security, Amazon CloudFront CDN, Bash, GitOps, Unix, Amazon Route 53, Build & Release Engineering, Web Servers, Microservices Architecture
Apache Flink and Zeppelin Expert
2021 - 2022
Innovative Dynamix
- Developed an Amazon Kinesis and Apache Flink-based real-time cryptocurrency analysis program.
- Made improvements to the crypto market data collector written in Go.
- Collaborated with a data analyst on implementing calculations efficiently by suggesting proper data structures and transformations.
Technologies: Python, SQL, Zeppelin, Apache Flink, Scala, Go, Continuous Integration (CI), Continuous Delivery (CD), Amazon S3 (AWS S3), CI/CD Pipelines, Git, Cloud, Serverless Architecture, REST APIs, Scripting, Boto 3, Amazon CloudFront CDN, Bash, GitOps, Unix, Amazon Route 53, Build & Release Engineering, Web Servers
Software Developer | DevOps Engineer
2021 - 2021
Competitive Media Technologies Limited
- Improved performance of the back-end system and application responsiveness through application performance monitoring and SQL query analysis.
- Refactored a Django-based monolithic application into modules to make the application cloud-native, scalable, and robust.
- Developed automation to deploy and optimize Django and Node.js-based back-end jobs in Kubernetes.
- Created a POC of Argo as workflow management engine for the backend.
Technologies: Node.js, Containers, Docker, PostgREST, Amazon Rekognition, FFmpeg, PostgreSQL, Amazon Web Services (AWS), Redis, Django, Celery, Digital Platform Development, Continuous Integration (CI), Continuous Delivery (CD), Amazon S3 (AWS S3), CI/CD Pipelines, Git, Cloud, REST APIs, Scripting, Boto 3, Cloud Security, Google Cloud Platform (GCP), Bash, GitHub, Argo CD, GitOps, Unix, Amazon Route 53, Build & Release Engineering, Web Servers
DevOps Consultant
2018 - 2019
TD Bank Group
- Sped up the cloud resource provisioning process by 1500% through blueprint (Cloudify and OpenStack infrastructure code) optimization.
- Enhanced the test environment upgrade scheduling and collaboration by developing an extensible self-service portal for the IT operations team.
- Improved the reporting process by removing manual steps and unnecessary handoff.
Technologies: Jenkins, Confluence, Testing, DevOps, Splunk, Linux, Python, Amazon Web Services (AWS), Message Queues, Digital Platform Development, Continuous Integration (CI), Continuous Delivery (CD), Amazon S3 (AWS S3), CI/CD Pipelines, Git, Cloud, Helm, Site Reliability Engineering (SRE), REST APIs, Scripting, Boto 3, Bash, Unix, Monitoring, Amazon Route 53, Build & Release Engineering, Web Servers
Enterprise DevOps Engineer
2018 - 2018
Mosaic North America
- Developed best practice documentation and promoted DevOps cultures across global IT teams across the US, UK, and Canada.
- Collaborated closely with development, QA, and infrastructure teams to identify and solve bottlenecks in the application delivery process.
- Created proofs of concept using new cloud technologies or methodologies and demonstrated these to various development teams.
- Implemented continuous integration and continuous deployment pipelines across various programs or development teams using Azure DevOps, VSTS, Jenkins, and GitLab.
- Migrated legacy applications to Kubernetes and Microsoft Azure Cloud.
- Configured Prometheus, ELK cluster, and New Relic to monitor infrastructure and enterprise application performances.
Technologies: DevOps, Azure, Kubernetes, Jenkins, Testing, Azure DevOps, GitHub, Docker, Rancher, AWS Lambda, Linux, Python, Amazon Web Services (AWS), Message Queues, MySQL, Digital Platform Development, Continuous Integration (CI), Continuous Delivery (CD), Amazon S3 (AWS S3), CI/CD Pipelines, Git, Lambda Functions, Cloud, Site Reliability Engineering (SRE), REST APIs, Scripting, Boto 3, Security, Amazon CloudFront CDN, Bash, GitOps, Ruby, Unix, New Relic, Monitoring, Amazon Route 53, Apache, Apache2, TCP/IP, Build & Release Engineering, Web Servers, ELK (Elastic Stack)
Senior DevOps Engineer
2008 - 2018
Cascadeo
- Contributed to architecting and developing highly available IT monitoring solutions and other operations tools, mostly written in Python, using Agile methodologies.
- Developed scripts, such as Chef cookbooks, AWS CloudFormation templates, and Terraform templates to automate deployments.
- Developed serverless applications and RESTful APIs using Serverless Framework and Node.js to optimize IT operations.
- Developed, deployed, and maintained the custom monitoring solution and deployment tools capable of monitoring 20,000+ devices.
- Provided Level 3 support for our clients, which involved solving tough issues, such as issues in web servers (LAMP stacks), AWS, VMWare, Linux/Unix, Zenoss, Nagios, ELK stack, Splunk, and more.
Technologies: Chef, Ansible, Infrastructure as Code (IaC), Amazon Web Services (AWS), Terraform, Kubernetes, Splunk, Artificial Intelligence (AI), AWS Lambda, Linux, Python, Docker, Message Queues, Redshift, MySQL, Digital Platform Development, Continuous Integration (CI), Continuous Delivery (CD), Amazon S3 (AWS S3), CI/CD Pipelines, Git, Lambda Functions, Cloud, Site Reliability Engineering (SRE), Serverless Architecture, REST APIs, Scripting, Boto 3, Vulnerability Assessment, Cloud Security, Security, Amazon CloudFront CDN, Google Cloud Platform (GCP), Bash, GitHub, GitOps, Ruby, ECS, Unix, Monitoring, Amazon Route 53, Apache, Apache2, TCP/IP, Build & Release Engineering, Web Servers, ELK (Elastic Stack), PHP, Microservices Architecture
Linux Systems Engineer
2009 - 2011
Relation House Digital Bureau
- Deployed, patched, optimized and monitored high-traffic production load balancers, Linux, Apache, MySQL and PHP (LAMP) stacks, Nginx, Varnish, and Squid Proxy according to the runbook.
- Set up NMS tools such as Nagios and Zenoss to monitor systems.
- Responded to NMS alerts and resolved issues related to the web application to ensure that the applications were available within the SLA. Made sure that the runbook was up to date for other engineers to use for troubleshooting purposes.
- Coordinated code and infrastructure changes with web developers and stakeholders before deployment to ensure resource availability and smooth deployment.
Technologies: NGINX, Varnish, LAMP, Linux, Python, MySQL, Amazon S3 (AWS S3), Git, REST APIs, Scripting, Bash, GitOps, Unix, Monitoring, Amazon Route 53, Apache, Apache2, TCP/IP, Build & Release Engineering, Web Servers, PHP
Software Engineer | Systems Administrator
2006 - 2011
Freelance
- Developed voice and video over IP, instant messaging, and patient record management system components for RxBox, a telemedicine device capable of capturing and transmitting signals to a clinical specialist remotely.
- Created a web-based parent-child matching application written in PHP for an international adoption agency.
- Architected a web-based admin interface for a commercially available embedded Linux appliance.
- Developed programmer's manual and tested sample codes for a commercially available wireless point of sale (POS) terminal.
- Maintained, patched, and installed laboratory software and equipment consisting of at least 100 Linux desktops and servers, routers, and switches at the College of Engineering of the University of the Philippines.
- Tested, deployed, and monitored networking equipment, parabolic antenna, and power over ethernet adapters for use in a national government-funded project to connect schools in rural areas in the Philippines to the internet.
Technologies: Python, VoIP, SIP, XMPP, Linux, Redis, MySQL, Django, Celery, Git, REST APIs, Scripting, Bash, GitOps, Unix, Amazon Route 53, Apache, Apache2, TCP/IP, Build & Release Engineering, Web Servers, PHP
Experience
Cascadeo.AI
http://www.cascadeo.ai/A data platform product designed for the IT operations team to be able to centralize and perform analytics on IT operations data in one data platform. I was part of the core team that developed, maintained, and supported the product from data, back end, and front end to operations.
Serverless API Gateway Service Proxy Plugin | EventBridge Module
https://www.serverless.com/plugins/serverless-apigateway-service-proxyServerless API Gateway Service Proxy is a free, open-source Serverless Framework plugin that lets developers configure AWS service proxy integration easily on Serverless Framework. I contributed to the AWS EventBridge module for the plugin.
RxBox | Portable Telemedicine Device
https://rxbox.chits.ph/what_is_rxbox/RxBox is a national government-funded project and an all-in-one telemedicine device. I successfully integrated a patient record management system and chat and video communication modules on the said device using SOAP, XMPP, and VoIP technologies.
Skills
Languages
Go, Python, JavaScript, Bash, PHP, TypeScript, SQL, Scala, Ruby
Frameworks
Serverless Framework, Django, Swagger, JSON Web Tokens (JWT)
Libraries/APIs
Node.js, REST APIs, Vue, PostgREST, Amazon Rekognition, FFmpeg
Tools
GitLab CI/CD, Jenkins, Confluence, NGINX, Terraform, Helm, GitHub, Git, Splunk, Amazon Elastic Container Service (Amazon ECS), AWS Fargate, Boto 3, Amazon CloudFront CDN, Apache, ELK (Elastic Stack), Chef, Ansible, Varnish, Amazon EKS, Azure Kubernetes Service (AKS), Celery, Google Kubernetes Engine (GKE)
Paradigms
Microservices, DevOps, Scrum, Agile, Testing, Test-driven Development (TDD), Continuous Integration (CI), Continuous Delivery (CD), Serverless Architecture, ETL, Microservices Architecture, Data Science, Azure DevOps
Platforms
Kubernetes, AWS Lambda, Linux, Azure, LAMP, Amazon Web Services (AWS), Docker, Rancher, Amazon EC2, Unix, Apache2, Google Cloud Platform (GCP), Apache Flink, Zeppelin, New Relic
Storage
Amazon DynamoDB, NoSQL, MySQL, Redis, Amazon S3 (AWS S3), Redshift, InfluxDB, PostgreSQL
Other
Computer Networking, Serverless, Web Services, Site Reliability Engineering (SRE), Amazon API Gateway, Infrastructure as Code (IaC), Cloud, Containers, CI/CD Pipelines, Lambda Functions, Message Queues, Digital Platform Development, Amazon RDS, Scripting, Vulnerability Assessment, Cloud Security, Security, GitOps, Monitoring, Amazon Route 53, Web Servers, TCP/IP, Build & Release Engineering, SIP, SOAP, Data Engineering, ECS, Business, VoIP, XMPP, Containerization, Big Data, Open Banking, Machine Learning Operations (MLOps), Artificial Intelligence (AI), Generative Pre-trained Transformers (GPT), APIs, API Gateways, Argo CD
Industry Expertise
Project Management
Education
2020 - 2022
Certification in Data Science
University of Toronto, School of Continuing Studies - Online
2013 - 2016
Master's Degree in Business Administration
University of the Philippines - Quezon City, Philippines
2003 - 2008
Bachelor's Degree in Electrical Engineering
University of the Philippines - Quezon City, Philippines
Certifications
OCTOBER 2020 - OCTOBER 2023
AWS Certified Data Analytics Specialty
AWS
JUNE 2019 - JUNE 2021
Certified Kubernetes Administrator
Cloud Native Computing Foundation
NOVEMBER 2017 - NOVEMBER 2020
AWS Certified DevOps Engineer - Professional
AWS
FEBRUARY 2017 - FEBRUARY 2020
AWS Certified Solutions Architect — Professional
Amazon Web Services