Senior Full-stack Developer (PostgreSQL, OpenSearch, Databricks)

Description

We are building a new product across multiple clouds and are hiring a Senior Full-stack Developer to ship Python/FastAPI backend and React/TypeScript front-end features. You will work with PostgreSQL, OpenSearch, and Databricks while improving integrations and performance. Apply now. Responsibilities Implement and maintain web applications with Python/FastAPI and SQL Create APIs and integrations that support high-load database operations Analyze and optimize query performance across production systems Build front-end components using TypeScript and React Adopt GenAI engineering tools to improve development workflows Collaborate with the team while progressing autonomously on your assignments Communicate proactively with team members and stakeholders Own product features and drive impact beyond ticket completion Deliver results while navigating ambiguity in a fast-paced startup environment Requirements Proven 5+ years of production experience with Python, FastAPI, and SQL Comprehensive expertise in web apps, API design, and integration development Strong capability in high-load database handling and query performance optimization Experience with TypeScript and React, plus willingness to work full-stack Hands-on exposure to GenAI engineering tools, ideally Claude Code Effective communication skills and proactive execution, able to operate independently and as part of a team Ability to deal with 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 Solid experience with TypeScript, React, Next.js, Storybook, Playwright, Radix UI, and Zustand Experience with PostgreSQL and OpenSearch Familiarity with cloud platforms, Infrastructure as Code, and related tools Background in data engineering with PySpark and SparkSQL Client-facing experience

Requirements

• Proven 5+ years of production experience with Python, FastAPI, and SQL

• Comprehensive expertise in web apps, API design, and integration development

• Strong capability in high-load database handling and query performance optimization

• Experience with TypeScript and React, plus willingness to work full-stack

• Hands-on exposure to GenAI engineering tools, ideally Claude Code

• Effective communication skills and proactive execution, able to operate independently and as part of a team

• Ability to deal with ambiguity and deliver without constant direction in a transparent, fast-moving startup environment

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

Responsibilities

• Implement and maintain web applications with Python/FastAPI and SQL

• Create APIs and integrations that support high-load database operations

• Analyze and optimize query performance across production systems

• Build front-end components using TypeScript and React

• Adopt GenAI engineering tools to improve development workflows

• Collaborate with the team while progressing autonomously on your assignments

• Communicate proactively with team members and stakeholders

• Own product features and drive impact beyond ticket completion

• Deliver results while navigating ambiguity in a fast-paced startup environment

Seniority

• Senior

Nice to have

• Solid experience with TypeScript, React, Next.js, Storybook, Playwright, Radix UI, and Zustand

• Experience with PostgreSQL and OpenSearch

• Familiarity with cloud platforms, Infrastructure as Code, and related tools

• Background in data engineering with PySpark and SparkSQL

• Client-facing experience