Senior Full-stack Developer, Python/FastAPI, React & SQL

We are launching a new multi-cloud product and need aSenior Full-stack Developer to own full-stack delivery from Python/FastAPI APIs to React/TypeScript UI. You will optimize PostgreSQL and OpenSearch performance and collaborate in a Databricks-heavy environment. Apply today.

Responsibilities

• Develop and enhance web applications using Python/FastAPI and SQL
• Define and implement APIs and integrations that support high-load database operations
• Optimize and troubleshoot query performance in production systems
• Deliver front-end work using TypeScript and React
• Incorporate GenAI engineering tools to improve development workflows
• Work collaboratively while independently owning assigned tasks
• Maintain proactive communication with stakeholders and teammates
• Own features end to end and contribute beyond ticket completion
• Execute effectively through ambiguity in a fast-paced startup environment

Requirements

• Demonstrated 5+ years of production delivery with Python, FastAPI, and SQL
• Advanced knowledge of web application development, API design, and integration work
• Hands-on ability to operate high-load databases and optimize query performance
• Familiarity with TypeScript and React and willingness to work across the full stack
• Practical experience with GenAI engineering tools, ideally Claude Code
• Strong communication abilities and proactive ownership, comfortable working solo and with a team
• Track record of navigating ambiguity and shipping without constant direction in a transparent, fast-moving startup environment
• English proficiency at B2 (Upper-Intermediate) level or higher

Nice to have

• Experience with TypeScript, React, Next.js, Storybook, Playwright, Radix UI, and Zustand
• Experience working with PostgreSQL and OpenSearch
• Knowledge of cloud platforms, Infrastructure as Code, and related tools
• Data engineering experience using PySpark and SparkSQL
• Client-facing experience