Hello! I'm Jeremias, a senior software engineer with 10+ years of experience building end-to-end production systems. I work across the stack—from React-based frontends to C#/.NET and Python backends—and I design cloud-native AWS infrastructures and AI-powered pipelines that scale. I thrive on turning complex requirements into robust, maintainable software and collaborating with product teams to deliver impactful solutions across fintech, healthcare, and ecommerce. Hi, I value clean architecture, security by design, and rigorous engineering standards, including RBAC, domain-driven design, and CI/CD-enforced delivery. I enjoy mentoring teammates and driving architectures that balance performance, security, and long-term maintainability.…

Jeremias Samson Gensaya

PRO

Hello! I'm Jeremias, a senior software engineer with 10+ years of experience building end-to-end production systems. I work across the stack—from React-based frontends to C#/.NET and Python backends—and I design cloud-native AWS infrastructures and AI-powered pipelines that scale. I thrive on turning complex requirements into robust, maintainable software and collaborating with product teams to deliver impactful solutions across fintech, healthcare, and ecommerce. Hi, I value clean architecture, security by design, and rigorous engineering standards, including RBAC, domain-driven design, and CI/CD-enforced delivery. I enjoy mentoring teammates and driving architectures that balance performance, security, and long-term maintainability.…

Available to hire

Hello! I’m Jeremias, a senior software engineer with 10+ years of experience building end-to-end production systems. I work across the stack—from React-based frontends to C#/.NET and Python backends—and I design cloud-native AWS infrastructures and AI-powered pipelines that scale. I thrive on turning complex requirements into robust, maintainable software and collaborating with product teams to deliver impactful solutions across fintech, healthcare, and ecommerce.
Hi, I value clean architecture, security by design, and rigorous engineering standards, including RBAC, domain-driven design, and CI/CD-enforced delivery. I enjoy mentoring teammates and driving architectures that balance performance, security, and long-term maintainability.

See more

Skills

Experience Level

React JS
Expert
C#
Expert
.NET
Expert
Tailwind
Expert
Python
Expert
ASP.NET
Expert
Django
Expert
Docker
Expert
JavaScript
Expert
TypeScript
Expert
PostgreSQL
Expert
Node.js
Expert
MySQL
Expert
AWS
Expert
React Native
Expert
MongoDB
Expert
Flutter
Expert
SQL
Expert
GraphQL
Expert
Redis
Expert
Kubernetes
Intermediate
Jira
Intermediate
Azure
Intermediate
AngularJS
Intermediate
See more

Language

English
Fluent

Work Experience

Senior Full-Stack Developer at BizLab IT Solutions
April 1, 2022 - December 1, 2025
Led full-stack architecture and development of scalable SaaS web, mobile, and AI platforms serving tens of thousands of users across fintech, healthcare, and ecommerce domains. Backend (Primary — C#/.NET): Designed and developed enterprise-grade REST APIs, business logic layers, and microservices using ASP.NET / C# (.NET) with Entity Framework; implemented secure authentication flows (JWT, OAuth 2.0, RBAC) and real-time WebSocket services. Backend (Secondary — Python/Django): Built Python-based automation services and Django REST APIs for workflow automation, data processing pipelines, and AI/ML integrations including RAG systems and LLM-powered agent workflows. Backend (Supporting — Node.js/NestJS): Developed supplementary API services and event-driven microservices using NestJS and Node.js; integrated MongoDB and PostgreSQL with Prisma ORM for CRM and messaging systems. Frontend: Built responsive, high-performance web interfaces using React.js, Next.js, TypeScript, and Tailwind
Senior Full-Stack Developer at Appen Philippines
November 1, 2018 - March 1, 2022
Contributed to telemedicine and remote patient monitoring platforms serving healthcare providers and patients, working across backend, frontend, and mobile layers. Backend (Primary — C#/.NET): Built secure, HIPAA-compliant REST APIs and data processing services using ASP.NET / C# (.NET) with Entity Framework; implemented role-based access control and audit logging for sensitive patient data. Backend (Secondary — Python/Django): Developed Django-based services for data ingestion, reporting pipelines, and backend automation tasks alongside the primary .NET stack. Frontend: Built UI components and patient-facing views using React.js with a focus on accessibility and responsive design. Mobile: Developed cross-platform mobile features for iOS and Android using React Native; integrated Flutter for specific UI workflows. Collaborated with product and QA teams in an Agile environment to deliver iterative feature releases.
Web Developer at Clibase Technology Inc
June 1, 2014 - September 1, 2018
Developed and maintained scalable e-commerce marketplace platforms supporting high-traffic product catalogs, transactions, and real-time features. Backend: Built RESTful backend APIs, database schemas (MySQL, PostgreSQL), and subscription-ready billing architecture using PHP (Laravel) as the primary backend framework. Frontend: Developed JavaScript-driven Frontends with dynamic product listing pages, real-time chat, live inventory updates, and payment gateway integrations. Delivered full project lifecycle from requirements gathering through deployment and post-launch support.
Full-Stack Developer at Appen Philippines
November 1, 2018 - March 1, 2022
Contributed to telemedicine and remote patient monitoring platforms for healthcare providers, delivering backend and frontend improvements. Primary backend in C#/.NET: HIPAA-compliant REST APIs, RBAC, and audit logging for patient data. Secondary backend in Python/Django for data ingestion and automation. Frontend UI components with React.js; mobile features for iOS/Android via React Native; collaborated in Agile teams to deliver iterative features.

Education

Bachelor of Science in Computer Science at Cavite State University
January 1, 2010 - January 1, 2014
Bachelor of Science in Computer Science at Cavite State University
January 1, 2010 - January 1, 2014

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Healthcare, Financial Services, Retail
    uniE621 Outfyt - AI Virtual Try-On Studio
    Outfyt uses advanced AI and AR to help you see how clothes actually look and fit before purchasing. Make smarter fashion decisions with realistic virtual try-ons. HuggingFace Omnigen OpenAI FastAPI React Typescript…