full stack developer for a multi-cloud product

The company is building a new product across multiple clouds.

• 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 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.

• 5+ Years of production experience with Python, FastAPI, and SQL;
• Comprehensive expertise in web applications, 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;
• Ability 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 and Infrastructure as Code; background in data engineering with PySpark and SparkSQL; client-facing experience.

• Remote work in Poland.