Regular Fullstack Developer - React & Python (k/m)

You'll join our internal team, working on projects across demanding, regulated industries - medical, telco, oil & gas, and aerospace. Expect end-to-end ownership: from React/TypeScript interfaces through Python/FastAPI backends to the data layer and cloud deployment.What you'll do:Build and ship features across the full stack - React + TypeScript/JavaScript on the frontend, Python (async, FastAPI, AWS Lambda) on the backend.Design and consume REST and GraphQL APIs, including real-time features where needed.Model and query data in PostgreSQL (and graph/document databases where a project calls for it).Implement UI from Figma designs alongside designers and backend engineers.Keep a strong testing culture (pytest, Jest) and take part in code review.Work with Dockerized and cloud-native (AWS) setups.Requirements:6+ years of commercial fullstack experience.Strong React + TypeScript/JavaScript.Solid Python (async; FastAPI, Flask or Django).Good command of relational databases / SQL (PostgreSQL preferred).Experience with REST APIs and comfort with GraphQL.Day-to-day Docker and Git.Habit of writing automated tests.Hands-on AWS experience.English at B2 level.Nice to have: Next.js, Redux, Tailwind / MUI / shadcn/ui, WebSocket / MQTT / GraphQL subscriptions, Neo4j, AWS Lambda / AppSync / Cognito / DynamoDB, micro-frontends (single-spa), computer vision (OpenCV), Stripe.Recruitment process:Intro phone call (30 minutes)Technical interview (up to 1,5h)Interview with the manager (up to 1h)Benefits:challenging role within the company that creates innovative solutions,work in international environment on demanding projects,B2B cooperation model or employment contract,fully remote work model or from our office in Bydgoszcz,subsidized private medical care, life insurance, multisport card,integration meetings,employee referral program.Join us!