remotely.living

Senior Full-stack Developer

EPAM Systems · Remote - Poland · 2026-09-29

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Job description

We are looking for a Senior Full-stack Developer to join a team building a new product that leverages Python and FastAPI on the backend, React/TypeScript on the front end, with database management powered by PostgreSQL and OpenSearch. The product operates in a multi-cloud environment and makes heavy use of Databricks.

Responsibilities

- Develop and maintain web applications using Python/FastAPI and SQL

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

- Optimize query performance across production systems

- Contribute to front-end development using TypeScript and React

- Apply GenAI engineering tools to improve development workflows

- Collaborate with the team while also working autonomously on assigned tasks

- Communicate proactively with team members and stakeholders

- Take ownership of product features and drive meaningful contributions beyond ticket completion

- Navigate ambiguity and deliver results in a fast-paced startup environment

Requirements

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

- Expertise in web application development, API design, and integrations

- Proficiency in handling high-load databases and query performance optimization

- Familiarity with front-end development using TypeScript and React, with willingness to work full-stack

- Hands-on experience with GenAI engineering tools, ideally Claude Code

- Strong communication skills and proactivity, with the ability to work both independently and within a team

- Capability to deal with ambiguity and get things done without constant direction in a transparent, fast-moving startup environment

- English proficiency at B2 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, handling data with PySpark and SparkSQL

- Client-facing experience