Jerome is available for hire

Jerome Ortega

Verified Expert in Engineering

DevOps Engineer and Software Developer

Milton, ON, Canada

Toptal member since June 17, 2021

Expertise

System Administration System Security Site Reliability Cloud Engineering AWS RDS Cloud Architecture Serverless SSO Engineering Python Unix

Bio

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

Jonathan Tucker

Amazon Web Services (AWS), DevOps, Amazon Elastic Container Service (ECS)...

Curology, Inc.

Site Reliability Engineering (SRE), Kubernetes, Python...

Bloomberg Industry Group - Main

Amazon Web Services (AWS), Containers, Terraform, Kubernetes, Splunk, Linux...

Experience

Linux - 17 years
DevOps - 10 years
Amazon Web Services (AWS) - 8 years
Agile - 5 years
Microservices - 5 years
Digital Platform Development - 5 years
Go - 3 years
Data Science - 2 years

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

AWS DevOps Engineer

2023 - PRESENT

Jonathan Tucker

Developed infrastructure as codes for the team using Terraform including a CI/CD pipeline for automating deployment.
Set up Prometheus, Grafana, and Alert Manager for infrastructure monitoring and alerting. Developed a custom HTTP-based service discovery for monitoring dynamic containers deployed via ECS.
Designed and developed a container API for provisioning ECS tasks dynamically with minimal latency.

Technologies: Amazon Web Services (AWS), DevOps, Amazon Elastic Container Service (ECS), Amazon S3 (AWS S3), Amazon API Gateway, Docker, Infrastructure as Code (IaC), Manual QA, Vercel, Automated Testing, Amazon Virtual Private Cloud (VPC), Firewalls, Single Sign-on (SSO), Cloud Architecture, AWS VPN, AWS Cloud Computing Services

Senior Site Reliability Engineer

2023 - 2024

Curology, Inc.

Migrated an Airflow instance with hundreds of terabytes of data from one account to another in a seamless and timely manner while improving the team's infrastructure as code by migrating manually created AWS resources to Terraform and ACK.
Migrated and improved the CI/CD pipeline from CircleCI to GitHub Actions and ArgoCD. The pipeline run time was reduced from 30 minutes to 5 minutes, enabling the data team to deploy significantly faster.
Set up a Kubernetes cluster for the data engineering team for development, staging, and production use.

Technologies: Site Reliability Engineering (SRE), Kubernetes, Python, Amazon Web Services (AWS), DevOps, CI/CD Pipelines, Argo CD, Apache Airflow, GitHub Actions, Amazon EKS, Networking, System Administration, Penetration Testing, Amazon Virtual Private Cloud (VPC), Firewalls, Single Sign-on (SSO), Cloud Architecture, AWS VPN, AWS Cloud Computing Services

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, Amazon EKS, System Administration, Penetration Testing, Amazon Virtual Private Cloud (VPC), Firewalls, Cloud Architecture, AWS Glue, AWS Cloud Computing Services

Senior DevOps Engineer | Software Engineer | Consultant

2019 - 2023

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 (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), Amazon EKS, Networking, System Administration, Penetration Testing, GitHub Actions, Grafana, Prometheus, MinIO, Amazon Cognito, Amazon Virtual Private Cloud (VPC), Firewalls, Web Application Firewall (WAF), Single Sign-on (SSO), Cloud Architecture, Multitenancy, Authentication, AWS Glue, AWS Cloud Computing Services

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, System Administration, Amazon Virtual Private Cloud (VPC), Firewalls, Cloud Architecture, AWS Cloud Computing Services

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, Java, Firewalls, Cloud Architecture, AWS Cloud Computing Services

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, Firewalls, Cloud Architecture, AWS Cloud Computing Services

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, Firewalls

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), Istio, Networking, System Administration, Penetration Testing, GitHub Actions, HAProxy, RabbitMQ, Firewalls, Cloud Architecture, AWS Cloud Computing Services

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, Istio, Amazon EKS, Networking, System Administration, Penetration Testing, Java, HAProxy, Squid Proxy Server, RabbitMQ, Firewalls, Cloud Architecture, AWS Cloud Computing Services

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, Networking, System Administration, Java, HAProxy, Squid Proxy Server, RabbitMQ, Firewalls

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, Networking, System Administration, C++, C, Java, HAProxy, Squid Proxy Server, RabbitMQ

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-proxy

Serverless 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.

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

Skills

Libraries/APIs

Node.js, REST APIs, Vue, PostgREST, Amazon Rekognition, FFmpeg, OpenSSL

Tools

GitLab CI/CD, Jenkins, Confluence, Ansible, NGINX, Terraform, Helm, GitHub, Amazon EKS, Git, Splunk, Amazon Elastic Container Service (ECS), AWS Fargate, Boto 3, Amazon CloudFront CDN, Apache, ELK (Elastic Stack), Grafana, Amazon Cognito, Amazon Virtual Private Cloud (VPC), Chef, Varnish, Azure Kubernetes Service (AKS), Celery, Istio, Squid Proxy Server, RabbitMQ, AWS Glue, Google Kubernetes Engine (GKE), Apache Airflow

Languages

Go, Python, JavaScript, Bash, PHP, TypeScript, Java, SQL, Scala, Ruby, C++, C

Frameworks

Serverless Framework, Django, Swagger, JSON Web Tokens (JWT)

Paradigms

Microservices, DevOps, Scrum, Agile, Testing, Test-driven Development (TDD), Continuous Integration (CI), Continuous Delivery (CD), Serverless Architecture, ETL, Microservices Architecture, Azure DevOps, Penetration Testing, Automated Testing

Platforms

Kubernetes, AWS Lambda, Linux, Azure, LAMP, Amazon Web Services (AWS), Docker, Rancher, Amazon EC2, Unix, Apache2, AWS Cloud Computing Services, Google Cloud Platform (GCP), Apache Flink, Zeppelin, New Relic, Vercel

Storage

Amazon DynamoDB, NoSQL, MySQL, Redis, Amazon S3 (AWS S3), Redshift, InfluxDB, PostgreSQL

Industry Expertise

Project Management

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, Networking, System Administration, Prometheus, Firewalls, Web Application Firewall (WAF), Single Sign-on (SSO), Cloud Architecture, Multitenancy, Authentication, AWS VPN, Data Science, SIP, SOAP, Data Engineering, ECS, HAProxy, 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, GitHub Actions, MinIO, Manual QA, Policy as code (PaC)

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