Junior Strong Python Developer
Posted Updated 29
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Summary
Backend Python developer on a small hands-on engineering team whose client (a startup) builds enterprise AI infrastructure for financial institutions. Day to day: implement founder-opened GitHub issues end to end — FastAPI services, strong PostgreSQL work, testing/observability/deployment — and open PRs for founder review.
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:
Nice to have:
What will you get:
Career growth & projects
Health & well-being
Work environment & flexibility
Culture & community
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:
- 2+ 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.