Senior Full-stack Developer (Databricks, Python/FastAPI)
Remote in Poland
Python.Web& 14 others
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Find me a jobWe are developing a new multi-cloud platform and want a Senior Full-stack Developer to build reliable Python/FastAPI APIs and React/TypeScript experiences. You will work with PostgreSQL, OpenSearch, and Databricks, focusing on integrations and performance. Apply now.
Responsibilities
- Deliver and maintain web applications built with Python/FastAPI and SQL
- Plan and design APIs and integrations that support high-load database operations
- Optimize query performance across live production systems
- Contribute UI functionality using TypeScript and React
- Use GenAI engineering tools to improve development workflows and throughput
- Collaborate closely with the team while executing autonomously on assigned tasks
- Communicate proactively with team members and stakeholders
- Take full ownership of product features and contribute beyond ticket completion
- Handle ambiguity and consistently deliver in a fast-paced startup environment
Requirements
- 5+ years of real-world production experience with Python, FastAPI, and SQL
- Solid background in web application delivery, API design, and system integrations
- Proficiency with high-load databases and query performance optimization techniques
- Ability to contribute on the front end using TypeScript and React while staying effective full-stack
- Experience using GenAI engineering tools, ideally Claude Code
- Strong interpersonal communication and proactive collaboration skills, with ability to work independently
- Capability to succeed amid ambiguity and deliver without constant direction in a transparent, fast-moving startup environment
- English proficiency at B2 (Upper-Intermediate) level or higher
Nice to have
- Hands-on skills with TypeScript, React, Next.js, Storybook, Playwright, Radix UI, and Zustand
- Experience with PostgreSQL and OpenSearch in production contexts
- Familiarity with cloud platforms, Infrastructure as Code, and adjacent tooling
- Data engineering exposure, including PySpark and SparkSQL
- Client-facing experience
