Senior Full-stack Developer (PostgreSQL, OpenSearch, Databricks)
Remote in Poland
Python.Web& 14 others
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Find me a jobWe are building a new product across multiple clouds and are hiring a Senior Full-stack Developer to ship Python/FastAPI backend and React/TypeScript front-end features. You will work with PostgreSQL, OpenSearch, and Databricks while improving integrations and performance. Apply now.
Responsibilities
- Implement and maintain web applications with Python/FastAPI and SQL
- Create APIs and integrations that support high-load database operations
- Analyze and optimize query performance across production systems
- Build front-end components using TypeScript and React
- Adopt GenAI engineering tools to improve development workflows
- Collaborate with the team while progressing autonomously on your assignments
- Communicate proactively with team members and stakeholders
- Own product features and drive impact beyond ticket completion
- Deliver results while navigating ambiguity in a fast-paced startup environment
Requirements
- Proven 5+ years of production experience with Python, FastAPI, and SQL
- Comprehensive expertise in web apps, API design, and integration development
- Strong capability in high-load database handling and query performance optimization
- Experience with TypeScript and React, plus willingness to work full-stack
- Hands-on exposure to GenAI engineering tools, ideally Claude Code
- Effective communication skills and proactive execution, able to operate independently and as part of a team
- Ability to deal with 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
- Solid experience with TypeScript, React, Next.js, Storybook, Playwright, Radix UI, and Zustand
- Experience with PostgreSQL and OpenSearch
- Familiarity with cloud platforms, Infrastructure as Code, and related tools
- Background in data engineering with PySpark and SparkSQL
- Client-facing experience
