Senior Full-stack Developer (Databricks, Python / FastAPI)

Description

We are developing a new multi-cloud platform and want a Senior Full-stack Developer to build reliable Python/FastAPI APIs and React/TypeScript experiences. You will work with PostgreSQL, OpenSearch, and Databricks, focusing on integrations and performance. Apply now. Responsibilities Deliver and maintain web applications built with Python/FastAPI and SQL Plan and design APIs and integrations that support high-load database operations Optimize query performance across live production systems Contribute UI functionality using TypeScript and React Use GenAI engineering tools to improve development workflows and throughput Collaborate closely with the team while executing autonomously on assigned tasks Communicate proactively with team members and stakeholders Take full ownership of product features and contribute beyond ticket completion Handle ambiguity and consistently deliver in a fast-paced startup environment Requirements 5+ years of real-world production experience with Python, FastAPI, and SQL Solid background in web application delivery, API design, and system integrations Proficiency with high-load databases and query performance optimization techniques Ability to contribute on the front end using TypeScript and React while staying effective full-stack Experience using GenAI engineering tools, ideally Claude Code Strong interpersonal communication and proactive collaboration skills, with ability to work independently Capability to succeed amid 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 Hands-on skills with TypeScript, React, Next.js, Storybook, Playwright, Radix UI, and Zustand Experience with PostgreSQL and OpenSearch in production contexts Familiarity with cloud platforms, Infrastructure as Code, and adjacent tooling Data engineering exposure, including PySpark and SparkSQL Client-facing experience

Requirements

• 5+ years of real-world production experience with Python, FastAPI, and SQL

• Solid background in web application delivery, API design, and system integrations

• Proficiency with high-load databases and query performance optimization techniques

• Ability to contribute on the front end using TypeScript and React while staying effective full-stack

• Experience using GenAI engineering tools, ideally Claude Code

• Strong interpersonal communication and proactive collaboration skills, with ability to work independently

• Capability to succeed amid ambiguity and deliver without constant direction in a transparent, fast-moving startup environment

• English proficiency at B2 (Upper-Intermediate) level or higher

Responsibilities

• Deliver and maintain web applications built with Python/FastAPI and SQL

• Plan and design APIs and integrations that support high-load database operations

• Optimize query performance across live production systems

• Contribute UI functionality using TypeScript and React

• Use GenAI engineering tools to improve development workflows and throughput

• Collaborate closely with the team while executing autonomously on assigned tasks

• Communicate proactively with team members and stakeholders

• Take full ownership of product features and contribute beyond ticket completion

• Handle ambiguity and consistently deliver in a fast-paced startup environment

Seniority

• Senior

Nice to have

• Hands-on skills with TypeScript, React, Next.js, Storybook, Playwright, Radix UI, and Zustand

• Experience with PostgreSQL and OpenSearch in production contexts

• Familiarity with cloud platforms, Infrastructure as Code, and adjacent tooling

• Data engineering exposure, including PySpark and SparkSQL

• Client-facing experience