Designing and implementing a production-grade web application across the full stack, from the React frontend to the Python/FastAPI backend.
Building responsive, accessible, and maintainable user interfaces with React 19, TypeScript, and Tailwind CSS.
Designing and developing REST APIs and real-time Server-Sent Events streaming, end to end, from backend endpoints to frontend consumption.
Designing and building a modern web portal with React 19, TypeScript, and Tailwind CSS, with strong attention to UI quality, accessibility, and responsiveness.
Developing backend services and APIs in Python 3 and FastAPI.
Implementing REST APIs and real-time Server-Sent Events streaming, end to end, including streaming AI assistant responses to the UI.
Building and evolving the conversational AI assistant using agentic AI patterns, including tool calling, knowledge retrieval, and multi-step workflows.
Designing seamless escalation flows from the AI assistant to human support agents.
Implementing secure authentication and authorization with OAuth 2.0 / OIDC (Azure AD via MSAL or Ping), including MFA, for both users and agents.
Setting up and maintaining CI/CD pipelines in GitHub Actions.
Translating business requirements into well-structured technical tasks and delivering features end-to-end.
Conducting code reviews and contributing to documentation and best practices.
Sharing knowledge and contributing to a collaborative learning culture within the team.
Our requirements
3+ years of experience in a fullstack development role.
Strong proficiency in React (ideally React 19) and TypeScript.
Solid experience with Python 3 and FastAPI.
Hands-on experience with Tailwind CSS and modern frontend tooling.
Practical experience with REST APIs and Server-Sent Events (or similar streaming mechanisms), end to end.
Experience with OAuth 2.0 / OIDC authentication flows, including Azure AD (MSAL) or Ping, and MFA.
Experience with GitHub Actions and CI/CD pipelines.
Experience building LLM-based applications or agentic AI solutions, with a good understanding of core concepts such as prompting, tool calling, RAG, and evaluation.
Understanding of web accessibility standards (WCAG) and responsive design.
Proactive and curious mindset, comfortable working in dynamic, evolving project environments.
Fluent English communication, able to collaborate effectively with clients and international teams.
Optional
Experience with agent frameworks or Model Context Protocol (MCP) servers.
Experience building conversational assistants or customer support solutions.
Familiarity with MS Azure services, including Azure OpenAI.
Knowledge of security best practices for web and LLM-based applications.
Experience with testing frameworks (e.g. Vitest, Playwright, pytest).
What we offer
Access to top e-learning platforms and a development budget
Real ownership opportunities: expand your scope, drive solutions, lead initiatives; most of our Leads are promoted internally
Long-term collaboration via B2B, because we value lasting partnerships
Remote-first
Flexible hours
Work alongside exceptional engineers and experts
Flat structure where every person matters and influences the company
Full-company integration trips (including international ones)
... agents can easily find knowledge and escalate to human support when needed., , Expect an AI-forward environment where you'll work across the full stack, from React interfaces to Python services and agentic AI capabilities. You'll join a team of passionate engineers who value technical excellence, collaboration, and continuous ...
... pgvector,, doświadczenie w realizacji rozwiązań opartych o Azure OpenAI lub OpenAI API,, znajomość zagadnień embeddings, chunkingu dokumentów, retrieval oraz prompt engineering,, doświadczenie w rozwoju aplikacji frontendowych z wykorzystaniem TypeScript oraz React/Vite,, znajomość Vue 3/Vite oraz tworzenia komponentów, zarządzania ...
... środowiskach deweloperskich i wdrożeniowych. Minimum 5 lat komercyjnego doświadczenia w tworzeniu aplikacji fullstack, z solidnym praktycznym doświadczeniem zarówno w Pythonie po stronie backendu, jak i w React po stronie frontendu., Praktyczne doświadczenie z nowoczesnym frameworkiem webowym w Pythonie., Duże doświadczenie w projektowaniu, ...
Senior Software Engineer (Python, GenAI & Agentic AI) Miejsce pracy: Warszawa Technologie, których używamy Wymagane - Python Mile widziane - LangGraph - LangChain - Agentic AI - .NET O projekcie Dla naszego klienta poszukujemy doświadczonego Senior Software Engineera, który dołączy do zespołu rozwijającego nowoczesne rozwiązania ...
Fullstack Software Engineer (Python/Django + React) (m/k) Miejsce pracy: Gdańsk Technologie, których używamy Wymagane - Python - React Native - JavaScript - TypeScript O projekcie Join an international engineering team developing software for the aviation industry. The team works on advanced systems and electronic solutions ...
Wymagane, Python, React Native, JavaScript, TypeScript O projekcie, Join an international engineering team developing software for the aviation industry. The team works on advanced systems and electronic solutions supporting aircraft, including navigation, flight controls, and information systems., , As a Fullstack Software ...
... wspierające pracę underwriterów i integrujące się z kluczowymi systemami biznesowymi. Twój zakres obowiązków, Rozwój aplikacji underwritingowej - backend w Python/FastAPI oraz frontend w React/Next.js, Budowa i orkiestracja agentów AI z wykorzystaniem LangGraph/LangChain, Integracja agentów AI z rozwijaną aplikacją i systemami ...
... wspierające pracę underwriterów i integrujące się z kluczowymi systemami biznesowymi. Twój zakres obowiązków, Rozwój aplikacji underwritingowej - backend w Python/FastAPI oraz frontend w React/Next.js, Budowa i orkiestracja agentów AI z wykorzystaniem LangGraph/LangChain, Integracja agentów AI z rozwijaną aplikacją i systemami ...