Senior Fullstack Developer (Python/React)

TL;DR

Senior Fullstack Developer (Python/React): Building and maintaining AI-powered pharmaceutical document analysis tools with an accent on backend scalability and performance optimization. Focus on designing robust APIs, integrating complex UI components, and ensuring high system reliability in an Agile environment.

Location: Must be based in Poland (Remote or Hybrid in Warsaw).

Company

An outsourcing firm providing R&D support for startups, specializing in innovative high-impact product development with full HR and operational backing.

What you will do

• Write clean, concise, and scalable code with robust unit testing.
• Diagnose complex technical issues and implement optimal architecture solutions.
• Develop backend services and integrate frontend features in an Agile environment.
• Collaborate on system architecture and design best practices.
• Work on performance optimization and troubleshooting for data-intensive systems.

Requirements

• 5+ years of experience in development with Python.
• Professional experience in frontend development using React.
• Must have legal right to work/be based in Poland.
• English level: B1+ required.
• Strong analytical skills and experience with PostgreSQL.
• Solid understanding of software design principles, concurrency, and data structures.

Nice to have

• Knowledge of DevOps practices including GCP, K8S, Docker, and CI/CD.
• Experience with LLM frameworks like LlamaIndex or LangChain.
• Linux administration skills.

Culture & Benefits

• Professional team with a friendly and informal atmosphere.
• 20 business days of paid vacation and 100% sick leave coverage.
• Medical insurance provided after the probationary period.
• Partial compensation for education, certifications, and professional events.
• Flexible working hours with emphasis on output.
• English and Polish language classes available online.