Senior Full-Stack Engineer – Remote (Python/React)

your Jared; Katowice; Hybrid; PLN 240,000 - 420,000; Full time

Benefits offered by this job

Hybrid work Poland

Stock Purchase Plan

Health insurance

Relocation opportunities

English classes

Job summary

your Jared is seeking a Senior Full-stack Developer to build a new product using Python and FastAPI for the backend, React/TypeScript for the frontend, and PostgreSQL/OpenSearch for data management.

The role involves owning features, designing APIs, and delivering high‑quality code in a fast-growing startup. Hybrid work within Poland and potential international opportunities are offered.

Qualifications

• 5+ years of hands-on production experience with Python, FastAPI, and SQL.
• Strong expertise in web application development, API design, and integrations.
• Experience optimizing high-load databases and query performance.
• English fluency at B2 level or above.

Responsibilities

• Build and maintain web apps with Python/FastAPI and SQL.
• Design scalable APIs and integrations for high-load databases.
• Improve query performance across production systems.
• Support frontend with TypeScript and React.
• Collaborate with team and own features end-to-end.
• Navigate ambiguity in a fast-paced startup.

Skills

Python

FastAPI

SQL

Web development

TypeScript

React

GenAI tools

Communication

Tools

PostgreSQL

OpenSearch

Databricks

Cloud platforms

IaC tooling

Job description

your Jared is seeking a Senior Full-stack Developer to build a new product using Python and FastAPI for the backend, React/TypeScript for the frontend, and PostgreSQL/OpenSearch for data management.

The role involves owning features, designing APIs, and delivering high‑quality code in a fast-growing startup. Hybrid work within Poland and potential international opportunities are offered.