Hybrid Full Stack Engineer - Python + React for Genomics

PathGen-AI; Singapore; Hybrid; SGD 90,000 - 130,000; Full time

Job summary

PathGen-AI is seeking a Full Stack Engineer for a hybrid role based in Singapore. You will design and build end-to-end features across backend and frontend, from API design and data models to user-facing analytics interfaces.

You will work on Python backend services with FastAPI, PostgreSQL data stores, and a React + TypeScript frontend. The role emphasizes maintainability, performance, and collaboration with product teams.

Qualifications

• Proven experience building production-grade Python backend services.
• Strong TypeScript and React experience with web applications.
• Solid SQL and PostgreSQL fundamentals.
• Experience designing and consuming APIs in production systems.
• Comfort working across the stack and taking ownership of features end to end.
• Clear communication and a pragmatic, product-oriented mindset.

Responsibilities

• Design and build Python backend services, primarily using FastAPI or similar frameworks.
• Define clear API contracts, typed request and response models, and maintainable service boundaries.
• Work with PostgreSQL for application data, analytics queries, and product features.
• Build reliable async workflows and backend logic for longer-running tasks where needed.
• Improve operational quality through structured logging, pagination, input validation, and sensible safeguards.
• Ensure robust code quality via unit tests and SOLID engineering patterns.
• Frontend: Build and maintain React + TypeScript applications with strong typing and clean state management.
• Develop product UI for tables, filters, visualizations, and interactive analysis workflows.
• Integrate frontend applications with REST APIs and incremental or live backend responses where useful.
• Focus on usability, responsiveness, and maintainable component design.
• Use end-to-end testing for important frontend flows when making substantial UI changes.
• Debug issues across client and server boundaries and improve reliability over time.

Skills

Python backend

TypeScript

React

SQL

PostgreSQL

API design

WebSockets

End-to-end ownership

Tools

FastAPI

React

PostgreSQL

REST APIs

WebSockets

Job description

PathGen-AI is seeking a Full Stack Engineer for a hybrid role based in Singapore. You will design and build end-to-end features across backend and frontend, from API design and data models to user-facing analytics interfaces.

You will work on Python backend services with FastAPI, PostgreSQL data stores, and a React + TypeScript frontend. The role emphasizes maintainability, performance, and collaboration with product teams.