Back to SearchSenior Full-stack Developer (Python/FastAPI, React/TypeScript)
Remote in Poland
Python.Web& 14 others
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We are building a new multi-cloud product and need a Senior Full-stack Developer to deliver Python/FastAPI services and React/TypeScript UI at scale. You will work with PostgreSQL, OpenSearch, and Databricks, improving performance and integrations across the stack. Apply now.
Responsibilities
- Build and support web applications using Python/FastAPI and SQL
- Design APIs and integrations that can handle high-load database operations
- Tune and optimize query performance across production environments
- Implement front-end features with TypeScript and React
- Leverage GenAI engineering tools to enhance development workflows
- Coordinate with the team while independently delivering assigned work
- Communicate early and often with teammates and stakeholders
- Own product features and contribute beyond simply completing tickets
- Operate effectively in ambiguity and ship results in a fast-paced startup environment
Requirements
- Proven track record with 5+ years of production work using Python, FastAPI, and SQL
- Strong expertise in web application engineering, API design, and third-party integrations
- Hands-on experience operating high-load databases and tuning query performance
- Working knowledge of TypeScript and React with readiness to contribute across front end and back end
- Practical experience with GenAI engineering tools, ideally Claude Code
- Excellent communication skills and a proactive mindset, able to collaborate and self-direct
- Demonstrated ability to execute amid ambiguity without constant guidance in a transparent, fast-moving startup environment
- English proficiency at B2 (Upper-Intermediate) level or higher
Nice to have
- Strong exposure to TypeScript, React, Next.js, Storybook, Playwright, Radix UI, and Zustand
- Experience working with PostgreSQL and OpenSearch
- Familiarity with cloud platforms, Infrastructure as Code, and related tooling
- Data engineering background, including PySpark and SparkSQL
- Client-facing experience