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November 3, 2026
Full Stack Developer (Python, FastAPI, Next.js)
Senior • Remote
23,000 - 27,000 PLN/yr
Wrocław, Poland
Quick Facts
- Role: Full Stack Developer (Python, FastAPI, Next.js)
Description
Design and develop fullstack applications using FastAPI and Next.js, including REST APIs, ETL pipelines, and AI-powered features. Integrate LLM capabilities with OpenAI and LangChain, work with data science workflows (NumPy, data modeling, analytics), and design database structures using MongoDB/PostgreSQL. Deploy and maintain infrastructure on Azure while contributing to architectural and product decisions.
Responsibilities
- Design and develop fullstack applications (FastAPI + Next.js)
- Build and maintain REST APIs with FastAPI
- Design and implement ETL pipelines for data processing
- Integrate LLMs (OpenAI) and build AI-powered features using LangChain
- Work with data science workflows (NumPy, data modeling, analytics)
- Design database structures (MongoDB / PostgreSQL)
- Deploy and maintain infrastructure on Azure
- Contribute to architectural and product decisions
Requirements
Must-have
- Python (6+ years)
- FastAPI (backend services and APIs)
- JavaScript / Next.js (4+ years, fullstack frontend development)
- LLMs / OpenAI (2+ years, practical AI model integration)
- Data Science (5+ years, including NumPy and analytical workflows)
- MongoDB (3+ years, schema design and querying)
- Azure (6+ years, cloud infrastructure experience)
Nice-to-have
- LangChain
- Databricks / Spark
- Terraform
- PostgreSQL
- Kubernetes
- NLP
- Django / Flask
- C# / C++
- Orleans / SignalR
- ELK Stack
- CQRS, SOLID, OOD, Design Patterns
- CI/CD
- Cybersecurity
- IoT
Benefits
Not specified in the provided posting.
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