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Lead Full-stack Developer

Remote in Poland
Python.Web& 14 others
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We're seeking a Lead Full-stack Developer to help build a new product powered by Python and FastAPI on the backend, React/TypeScript on the frontend, and PostgreSQL and OpenSearch for database management. This product runs in a multi-cloud setup and relies extensively on Databricks.

Responsibilities
  • Build and maintain web applications leveraging Python/FastAPI and SQL
  • Architect APIs and integrations capable of supporting demanding database workloads
  • Improve query performance throughout production environments
  • Support front-end work involving TypeScript and React
  • Utilize GenAI engineering tools to streamline development processes
  • Work both collaboratively and independently on assigned responsibilities
  • Maintain proactive communication with teammates and stakeholders
  • Own product features and go beyond simply closing tickets to make meaningful contributions
  • Handle ambiguous situations and produce results within a fast-paced startup setting
Requirements
  • Minimum of 7 years working in production with Python, FastAPI, and SQL
  • Strong background in building web applications, designing APIs, and creating integrations
  • Skilled at managing high-load databases and enhancing query performance
  • Some exposure to TypeScript and React front-end work, along with openness to full-stack responsibilities
  • Practical experience using GenAI engineering tools, Claude Code experience preferred
  • Excellent communication abilities and self-motivation, with comfort working solo or as part of a team
  • Ability to navigate uncertainty and execute tasks independently in an open, rapidly evolving startup
  • English language skills at B2 level or above
Nice to have
  • Strong familiarity with TypeScript, React, Next.js, Storybook, Playwright, Radix UI, and Zustand
  • Background working with PostgreSQL and OpenSearch
  • Knowledge of cloud platforms, Infrastructure as Code, and associated tooling
  • Data engineering exposure, particularly with PySpark and Spark SQL
  • Prior experience interacting directly with clients