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Full Stack Engineer

TEKsystems
Department:Fullstack React
Type:REMOTE
Region:EU
Location:Romania
Experience:Mid-Senior level
Estimated Salary:€60,000 - €90,000
Skills:
REACTPYTHONLANGGRAPHFASTAPIPYDANTICLLMSVECTOR DATABASESPROMPT ENGINEERING
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Job Description

Posted on: July 30, 2025

🚀 Freelance Opportunity: Fullstack Developer (React, Python, LangGraph) – AI Prototyping Project

Location: Remote (EU-based)

Start Date: ASAP

Duration: Until end of Q1 2026 (with possible extension)

Client: Leading German E-Commerce Platform

Engagement: Freelance / Contract

🧠 About the Project

Our AI prototyping initiative has gained strong momentum, and we’re now looking to expand our agile development team with a skilled Fullstack Developer. You’ll be working on cutting-edge AI-driven features and tools that will shape the future of e-commerce experiences for millions of users.

🛠️ Tech Stack & Skills

We’re looking for someone with solid experience in:

  • Frontend: React (with modern hooks and component architecture)
  • Backend: Python (FastAPI or similar frameworks)
  • AI Tooling: LangGraph, Pydantic
  • Bonus: Experience with LLMs, vector databases, or prompt engineering

✅ What You’ll Do

  • Collaborate closely with AI researchers, product managers, and other developers
  • Build and iterate on prototypes that integrate AI into user-facing and internal tools
  • Ensure clean, scalable, and well-documented code
  • Contribute to architectural decisions and best practices

📅 Timeline

  • Start: 01.09.2025
  • Initial Term: Until March 2026
  • Extension: Possible based on performance and project needs

🌍 Why Join?

  • Work with a forward-thinking, innovation-driven team
  • Be part of a high-impact AI initiative at one of Germany’s top e-commerce platforms
  • Flexible remote setup with a collaborative and inclusive culture
Originally posted on LinkedIn

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