Opis oferty
Fullstack Engineer - Agentic AI (React/Python) w Warszawa, Polska
CLOUDFIDE SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
- KontraktUmowa czasowa lub freelancing
Warszawa, Polska
Your responsibilities
- 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)
- Team-level integration budgets
- Open, supportive, and collaborative culture
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