Middle Python Developer 4

At Geniusee, we help businesses thrive through technology partnerships and strengthen the engineering community by sharing knowledge and creating opportunities
We live by our values: Continuous Growth, Team Synergy, Taking Responsibility, Conscious Openness, and Result-Driven Mindset. Here, you’ll find a safe, inclusive, and supportive environment where your voice is heard, and feedback is welcome
Whether you want to work from home or from our offices in Kyiv / Lviv / Warsaw with stable electricity and Wi-Fi, we’ve got you covered.
Join us and make an impact 
About the Role:
Our client is a fast-growing US/EU startup building enterprise AI infrastructure for financial institutions.
Requirements:

• 3+ years of commercial experience as a Python Backend Developer (FastAPI / async preferred);
• Strong PostgreSQL: data modeling, SQL, indexing, query planning, transactions, performance tuning;
• Systems fundamentals: Linux, networking basics, concurrency, profiling, debugging, memory, scalability;
• Architecture judgment: maintainable code, testing, observability, deployment best practices;
• End-to-end ownership & clear direct communication with technical founders;
• Daily use of AI coding assistants (Claude Code / Codex / Cursor) with strong review habits (understands the code, no "AI slop").
• English level: Upper-Intermediate (B2) or higher.

Nice to have:

• MCP / AI agents / agent observability / AI memory;
• Identity management (e.g. Entra ID, OAuth2, OIDC);
• Kubernetes, Docker, Cloud (AWS / GCP / Azure);
• Go (CLI tooling / microservices);
• React + TypeScript / Node.js.

What will you get:
Career growth & projects

• Competitive salary based on your skills and experience, and a benefits package.
• Regular performance appraisals to support your career development.
• Professional development support: online courses, certifications, and study compensation (including English courses).
• A modern tech stack across challenging, long-term projects.

Health & well-being

• Paid vacation (18 working days), public holidays (11 days), and sick leave (15 days).
• VIP medical insurance or sports coverage.

Work environment & flexibility

• Remote work from anywhere in the world or in one of our offices in Kyiv, Lviv, or Warsaw.
• Necessary equipment to perform your work.

Culture & community

• A collaborative and open culture where contributions are recognized.
• Regular corporate online & offline activities.
• Geniusee Charity Fund, making a difference beyond tech.