Senior Full-stack Developer, Python/FastAPI, React & SQL
Remote in Poland
Python.Web& 14 others
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Find me a jobWe are launching a new multi-cloud product and need a Senior Full-stack Developer to own full-stack delivery from Python/FastAPI APIs to React/TypeScript UI. You will optimize PostgreSQL and OpenSearch performance and collaborate in a Databricks-heavy environment. Apply today.
Responsibilities
- Develop and enhance web applications using Python/FastAPI and SQL
- Define and implement APIs and integrations that support high-load database operations
- Optimize and troubleshoot query performance in production systems
- Deliver front-end work using TypeScript and React
- Incorporate GenAI engineering tools to improve development workflows
- Work collaboratively while independently owning assigned tasks
- Maintain proactive communication with stakeholders and teammates
- Own features end to end and contribute beyond ticket completion
- Execute effectively through ambiguity in a fast-paced startup environment
Requirements
- Demonstrated 5+ years of production delivery with Python, FastAPI, and SQL
- Advanced knowledge of web application development, API design, and integration work
- Hands-on ability to operate high-load databases and optimize query performance
- Familiarity with TypeScript and React and willingness to work across the full stack
- Practical experience with GenAI engineering tools, ideally Claude Code
- Strong communication abilities and proactive ownership, comfortable working solo and with a team
- Track record of navigating ambiguity and shipping without constant direction in a transparent, fast-moving startup environment
- English proficiency at B2 (Upper-Intermediate) level or higher
Nice to have
- Experience with TypeScript, React, Next.js, Storybook, Playwright, Radix UI, and Zustand
- Experience working with PostgreSQL and OpenSearch
- Knowledge of cloud platforms, Infrastructure as Code, and related tools
- Data engineering experience using PySpark and SparkSQL
- Client-facing experience
