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June 29, 2026
Senior Software Engineer (FastAPI)
Senior • Remote
32,000 - 45,000 PLN
Gdansk, Poland
About the role
We’re looking for fullstack engineers (preferably) — but if you're strong on the backend and don’t feel at home on the frontend, that’s completely fine too. What matters most is that you can own features end-to-end.
You’ll build agentic AI workflows that let legal teams delegate complex, multi-step work — not just chat-based assistance, but real end-to-end execution on documents: review, drafting, analysis, anonymization, translation, and semantic search. Every step the platform takes has to be traceable, explainable, and secure, since we operate in regulated environments with sensitive client data. The product handles large volumes of large legal documents, so scalability and performance are core, not afterthoughts.
You’ll work very closely with the product itself, with real ownership and impact on its direction. We’re looking for top-tier engineers who ship high-quality code and challenge decisions rather than just close tickets.
Tech stack
Backend:
- Python
- FastAPI
- Redis
- SQL
- NoSQL
- Celery
- Azure Cloud
Frontend:
- React
- Next.js
- TypeScript
- shadcn/ui
- Zustand
Must-have
- Minimum 5–6 years of experience with Python
- 3+ years with FastAPI
- Experience building scalable, robust backend systems within (or close to) the stack above
- Hands-on experience with AI tooling in your daily work (Claude Code, Cursor, etc.) — this is a hard requirement
- Comfort in a fast-paced, international startup environment
Nice to have
- Experience building LLM-powered features or workflows (OpenAI/Anthropic APIs, LangChain, agentic systems)
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Warsaw, Poland
140 - 160 PLN/hr
🏢 Summary: Remote Full-Stack Software Engineer role focused on designing, building, and maintaining scalable web applications using modern backend and frontend technologies. The position involves end-to-end feature ownership, customer collaboration, and development of secure, high-performance systems. The engineer will work with Python, FastAPI, React, and cloud-native tools in a distributed team. 🗂️ Requirements: Approximately 5 years of professional software development experience, Strong backend development experience with Python and FastAPI, Experience with NGINX, Strong frontend development skills with React and TypeScript, Experience with Vite, Experience with MSSQL, Experience with SQLAlchemy, Hands-on experience with Docker, Hands-on experience with Kubernetes, Experience designing and consuming REST APIs, Experience with relational databases, Ability to design secure, scalable systems, Fluent English communication skills, EU citizenship, Residence in Poland 📃 Skills: Python, FastAPI, NGINX, React, TypeScript, Vite, MSSQL, SQLAlchemy, Docker, Kubernetes, REST, SQL, CI/CD, Cloud 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are seeking a highly experienced Full-Stack Software Engineer to join a remote development team. The role focuses on designing, building, and maintaining scalable web applications using modern backend and frontend technologies. The ideal candidate is autonomous, proactive, and comfortable working directly with customers to translate business needs into robust technical solutions. Project information: Type of project: IT Services Office location: Poland Work mode: Remote Budget: 140-160 PLN net /h - b2b Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate availability) Project scope: Design, develop, and maintain backend services and REST APIs using Python and FastAPI Build modern, responsive frontend applications using React, TypeScript, and Vite Own features end-to-end, from backend logic to frontend user interfaces Collaborate directly with customers and stakeholders to gather requirements and provide technical guidance Design and optimize database schemas and queries using MSSQL and SQLAlchemy Deploy, operate, and maintain applications using Docker and Kubernetes Ensure best practices in security, performance, scalability, and maintainability Participate in architecture discussions and contribute to technical decision-making Troubleshoot production issues and provide reliable operational support Work closely with product, design, and engineering teams to deliver high-quality solutions on time Requirements: Approximately 5 years of professional software development experience Strong autonomy and ability to manage tasks with minimal supervision Proven experience in customer-facing or stakeholder-facing roles Solid backend development experience with Python, FastAPI, and NGINX Strong frontend development skills with React, TypeScript, and Vite Experience working with relational databases, particularly MSSQL, and ORM tools like SQL Alchemy Hands-on experience with containerization and orchestration tools such as Docker and Kubernetes Understanding of secure, scalable, and maintainable system design Experience in cloud environments (optional) Knowledge of CI/CD pipelines and DevOps best practices (optional) Experience working in agile or product-driven teams (optional) Strong verbal and written communication skills in English Self-driven, accountable, and results-oriented Comfortable working directly with customers and taking ownership of delivered solutions Team-oriented mindset with a proactive approach to problem-solving We offer: Remote working model Full-time job agreement based on b2b contract Private medical care with dental care (covering 70% of costs) + rehabilitation package. Family package option possible Multisport card (also for an accompanying person) Life insurance