Senior Full-stack Developer

Job description

We're seeking a Senior Full-stack Developer to help build a new product using Python and FastAPI for the backend, React/TypeScript for the frontend, and PostgreSQL and OpenSearch for database management. The product runs in a multi-cloud environment and relies heavily on Databricks.

Responsibilities

- Build and maintain web applications with Python/FastAPI and SQL

- Design APIs and integrations that handle high-load database operations

- Improve query performance across production systems

- Support front-end development efforts using TypeScript and React

- Use GenAI engineering tools to enhance development workflows

- Work both collaboratively with the team and independently on assigned tasks

- Maintain proactive communication with team members and stakeholders

- Own product features and contribute meaningfully beyond simply completing tickets

- Handle ambiguity and deliver results within a fast-paced startup setting

Requirements

- 5+ years of hands-on production experience with Python, FastAPI, and SQL

- Strong expertise in web application development, API design, and integrations

- Skilled in managing high-load databases and optimizing query performance

- Some front-end experience with TypeScript and React, along with openness to full-stack work

- Practical experience using GenAI engineering tools, Claude Code preferred

- Excellent communication skills and a proactive mindset, comfortable working solo or as part of a team

- Ability to navigate ambiguity and make progress independently in a transparent, fast-moving startup setting

- English fluency at B2 level or above

Nice to have

- Strong background in TypeScript, React, Next.js, Storybook, Playwright, Radix UI, and Zustand

- Hands-on experience with PostgreSQL and OpenSearch

- Knowledge of cloud platforms, Infrastructure as Code, and related tooling

- Experience in data engineering, particularly working with PySpark and Spark SQL

- Prior experience working directly with clients