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I’m a seasoned Full Stack Engineer with over a decade of experience building scalable, cloud-native web apps across SaaS, healthcare, finance, and consulting sectors. I enjoy turning complex requirements into clean, reliable solutions and leading teams toward best practices in testing, code quality, and collaboration. My sweet spot is designing robust front-ends with React/TypeScript and back-ends with C#/NET Core and Python/Django, while weaving in AI/ML insights and automated CI/CD on AWS and Azure. I’m a hands-on mentor and enthusiastic collaborator who loves helping teammates grow and delivering value to users.…I’m a seasoned Full Stack Engineer with over a decade of experience building scalable, cloud-native web apps across SaaS, healthcare, finance, and consulting sectors. I enjoy turning complex requirements into clean, reliable solutions and leading teams toward best practices in testing, code quality, and collaboration. My sweet spot is designing robust front-ends with React/TypeScript and back-ends with C#/NET Core and Python/Django, while weaving in AI/ML insights and automated CI/CD on AWS and Azure. I’m a hands-on mentor and enthusiastic collaborator who loves helping teammates grow and delivering value to users.

Gerald Mariano Sumary

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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I’m a seasoned Full Stack Engineer with over a decade of experience building scalable, cloud-native web apps across SaaS, healthcare, finance, and consulting sectors. I enjoy turning complex requirements into clean, reliable solutions and leading teams toward best practices in testing, code quality, and collaboration. My sweet spot is designing robust front-ends with React/TypeScript and back-ends with C#/NET Core and Python/Django, while weaving in AI/ML insights and automated CI/CD on AWS and Azure. I’m a hands-on mentor and enthusiastic collaborator who loves helping teammates grow and delivering value to users.…I’m a seasoned Full Stack Engineer with over a decade of experience building scalable, cloud-native web apps across SaaS, healthcare, finance, and consulting sectors. I enjoy turning complex requirements into clean, reliable solutions and leading teams toward best practices in testing, code quality, and collaboration. My sweet spot is designing robust front-ends with React/TypeScript and back-ends with C#/NET Core and Python/Django, while weaving in AI/ML insights and automated CI/CD on AWS and Azure. I’m a hands-on mentor and enthusiastic collaborator who loves helping teammates grow and delivering value to users.

Available to hire

I’m a seasoned Full Stack Engineer with over a decade of experience building scalable, cloud-native web apps across SaaS, healthcare, finance, and consulting sectors. I enjoy turning complex requirements into clean, reliable solutions and leading teams toward best practices in testing, code quality, and collaboration.

My sweet spot is designing robust front-ends with React/TypeScript and back-ends with C#/NET Core and Python/Django, while weaving in AI/ML insights and automated CI/CD on AWS and Azure. I’m a hands-on mentor and enthusiastic collaborator who loves helping teammates grow and delivering value to users.

Skills

Experience Level

Expert

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Language

English

Fluent

Work Experience

Senior Software Engineer at KERAX

March 1, 2022 - November 12, 2025

Architected and maintained AWS cloud infrastructure to enable scalable containerized apps using Docker, Kubernetes, and Lambda. Integrated AI/ML analytics pipelines with Python and AWS SageMaker, built RESTful and GraphQL endpoints, and led the design of scalable microservices using .NET Core and Angular. Improved security and reliability with OAuth2/JWT/OpenID Connect, and automated CI/CD workflows with Azure DevOps and GitHub Actions. Mentored engineers on architectural patterns, code reviews, and best practices.

Senior Software Engineer at M6 Connect

February 28, 2022 - February 28, 2022

Developed enterprise-grade applications using Python Django on the back end and React on the front end, focusing on modular UI components and efficient API integration. Implemented ML-driven analytics features using Azure ML Studio, designed GraphQL APIs for dynamic data fetching, and containerized services with Docker and Kubernetes on AWS. Established CI/CD pipelines with Jenkins and CircleCI and reinforced security with OAuth2/JWT.

Software Developer at Symph

January 1, 2020 - January 1, 2020

Built AI-assisted back-end services using Python, FastAPI, and TensorFlow, integrating predictive models into financial data pipelines. Developed Vue.js-based interactive dashboards with real-time data visualization and API-driven updates. Designed microservices architecture and event-driven workflows using RabbitMQ; migrated monolithic legacy systems to containerized environments with Docker and Kubernetes; integrated OAuth2/JWT authentication and maintained code quality through SOLID principles and automated testing.