Senior Full-stack Developer

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

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

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

Seniority

• Senior

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