Senior Full Stack Engineer - Hybrid (Warsaw) + ESOPs

Fresha

Warszawa

Hybrid

PLN 279,000 - 446,000

Full time

14 days+
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ESOPs

Job summary

Fresha is seeking a Senior Full Stack Engineer in Warsaw to join a cross-functional team. You will own features end-to-end, building React/TypeScript frontends and the GraphQL backend, with services behind it. Expect weekly cadence with feature flags and strong emphasis on performance and quality.

Office four days a week with Wednesdays remote, working from our Warsaw hub on Rondo 1. Experience across Ruby/Elixir is a plus; ESOPs accompany a competitive B2B package.

Qualifications

  • 5+ years building and running product software in production.
  • Strong in either frontend or backend and able to hold their own in the other.
  • Experience with React and TypeScript, CSS, and modern JS tooling.
  • Backend exposure with Ruby or Elixir is a plus; familiarity with GraphQL APIs is valued.
  • Knowledge of distributed systems, Kafka, gRPC or similar.

Responsibilities

  • Own features end to end from design to live deployment.
  • Build the UI in our frontend against a custom design system.
  • Design and document GraphQL and gRPC APIs for internal use.
  • Ship changes behind feature flags and monitor dashboards.
  • Work across services and across teams (Product, Design, Frontend, Infra, Mobile).
  • Keep codebase healthy, fix bottlenecks, and maintain performance and quality.
  • Contribute to architectural decisions and engineering practices.

Skills

React
TypeScript
Frontend
Backend

Tools

Ruby
Elixir
GraphQL
gRPC
PostgreSQL
Kubernetes
Kafka

Job description

Fresha is seeking a Senior Full Stack Engineer in Warsaw to join a cross-functional team. You will own features end-to-end, building React/TypeScript frontends and the GraphQL backend, with services behind it. Expect weekly cadence with feature flags and strong emphasis on performance and quality.

Office four days a week with Wednesdays remote, working from our Warsaw hub on Rondo 1. Experience across Ruby/Elixir is a plus; ESOPs accompany a competitive B2B package.

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