Senior Full-Stack Software Engineer (Python + React + AWS)

At VAIRIX, we’re looking for a senior, well-rounded engineer to build and maintain web products powered by AI, data, and visualization. This is a broad and challenging role spanning backend, frontend (both modern and legacy), and cloud.

🚀 What you’ll do

• Build async Python APIs (FastAPI) on top of a data warehouse

• Integrate large language models (LLMs) with structured output and cost control

• Develop React interfaces across a modern stack (Next.js) and a legacy one (React 18)

• Run AWS infrastructure: IaC, CI/CD, and containers

• Own authentication, multi-tenant authorization, and applied security

✅ Must-haves

• Python 3.10+ async, FastAPI, and Pydantic v2

• SQLAlchemy 2.0 and SQL on a data warehouse

• TypeScript and React (18 and 19) with Next.js App Router

• Good judgment working on legacy React too (react-router v5, classic Redux)

• AWS (IAM, S3, EC2, Cognito), Docker, CloudFormation, and CI/CD with GitHub Actions

• Applied security (OAuth 2.0 / OIDC, JWT, CORS, secrets management) and Git/Gitflow

⭐ Nice to have

• Snowflake, LLMs in production (Vertex AI), AWS Amplify, Looker embedded analytics

• TanStack Query, React Hook Form + Zod, Tailwind + shadcn/ui, Recharts

• Testing (pytest, Cypress, Jest) and experience migrating legacy stacks

💻 About VAIRIX
VAIRIX is a nearshore software development company that partners with startups and growing organizations to build high-quality software and scale engineering teams.
We work in real-time with U.S. clients, combining a boutique approach with strong technical expertise, fast onboarding, and a focus on long-term collaboration.

👥 Want to join us?
If you’re looking for a place where people matter as much as code — this might be it. Let’s talk.