Senior Full Stack Developer (React / Node.js)

  •  Reference Number: 28584
  •  Job Published: 17 August 2026
  •  Form of employment: Contract
  •  Apply by: 17 September 2026

Job Description

Location: Warsaw, Poland
Work Model: Remote
Start Date: ASAP / up to 30 days notice period

Senior Full Stack Developer (React / Node.js)

We're looking for an experienced Full Stack Developer to join a team building modern web applications. This role combines frontend and backend development, with a strong focus on code quality, scalability, and best engineering practices.

Responsibilities

  • Design, develop, and maintain full stack web applications.
  • Build modern UIs using React and Chakra UI.
  • Develop backend services with Node.js, Fastify, and NestJS.
  • Design and implement REST APIs.
  • Collaborate with Product, UX/UI, and QA teams.
  • Participate in code reviews and contribute to engineering standards.
  • Support CI/CD processes and software delivery.

Requirements

  • Commercial experience as a Full Stack Developer.
  • Strong knowledge of:
    • TypeScript, JavaScript
    • HTML5, CSS3, Sass
    • React, Chakra UI
    • Node.js
    • Fastify and/or NestJS
  • Experience designing and consuming REST APIs.
  • Good understanding of relational databases, SQL, and ORM tools.
  • Hands-on experience with Git, code reviews, and Agile/Scrum methodologies.
  • Knowledge of software engineering best practices, design patterns, data structures, and algorithms.
  • Experience with CI/CD pipelines.

Nice to Have

  • Experience with AI tools (Claude Code, AWS Bedrock, etc.).
  • Docker, Kubernetes, Jenkins, or ArgoCD.
  • PostgreSQL, MySQL, or MariaDB.
  • OIDC / SSO authentication.
  • Python and basic Linux knowledge.
  • Active GitHub profile or technical portfolio.

Our Offer

  • B2B contract via Experis.
  • Medicover private healthcare.
  • Multisport card.
  • Group life insurance.

 

Company Description

Experis to światowy lider rekrutacji specjalistów i kadry zarządzającej w kluczowych obszarach IT. Z nami znajdziesz konkurencyjne oferty zatrudnienia oraz ciekawe projekty IT skierowane zarówno do ekspertów z wieloletnim doświadczeniem, jak i osób, które dopiero zaczynają swoją przygodę w branży IT.

We offer recruitment of managers and highly qualified consultants with expertise in IT.Experis is part of ManpowerGroup and has been named one of the world's most ethical companies.
Warszawa, Mazowieckie
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