Senior Fullstack Engineer

JavaScript

Senior Fullstack Engineer

JavaScript
Centrum, Stockholm Metropolitan Area

emagine Polska

Full-time
Any
Senior
Hybrid

Job description

Role Description

  • Strong full-stack engineering experience with deep expertise in Node.js and React, capable of building and maintaining modern web applications end to end.

  • Proficient in TypeScript with hands-on experience designing scalable, maintainable, and strongly typed codebases.

  • Solid experience designing and developing Backend-for-Frontend (BFF) architecture, creating APIs and orchestration layers tailored for web and mobile clients will be a huge advantage.

  • Strong understanding of system design principles including caching strategies, scalability, reliability, performance optimization, and observability.

  • Proven experience building and operating large-scale, high-traffic applications in production environments.

  • Hands-on experience with modern Node.js frameworks; prior experience with Fastify is a strong advantage.

  • Strong expertise in unit testing and automated quality assurance using frameworks such as Vitest or Jest, with a focus on maintainable test coverage.

  • Strong knowledge of software engineering best practices including clean code, testing, code reviews, CI/CD, security, and maintainability.

  • Excellent communication and stakeholder collaboration skills, with the ability to work effectively across engineering, product, and business teams.

  • Detail-oriented team player with practical experience working in Agile environments, including sprint planning, estimation, iterative delivery, and continuous improvement.

Period from: 2026-05-08
Period to: 2026-12-31

Tech stack

    English

    B1

    Security

    advanced

    Backend

    advanced

    CI/CD

    advanced

    Unit Testing

    advanced

    Testing

    advanced

    System Design

    advanced

    Quality Assurance (QA)

    advanced

    frontend

    advanced

    Agile

    advanced

    Performance optimization

    advanced

Office location

Senior Fullstack Engineer

Summary of the offer

Senior Fullstack Engineer

Centrum, Stockholm Metropolitan Area
emagine Polska
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