Full-stack Engineer
Offer summary

(Summary generated by AI based on the full job description)

The project involves enterprise-level, cloud-native web applications based on a microservices architecture. Required skills include React.js, Angular, Next.js, Java (Spring Boot), Node.js (Express.js), TypeScript with experience in REST APIs, JWT/OAuth. Responsibilities cover the full feature lifecycle from design through development to production support. Collaboration with developers, QA, DevOps, and product stakeholders is essential, focusing on performance and scalability.

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Full-stack Engineer

Company: SQUARE ONE RESOURCES sp. z o.o.

from: 9 June 2026
to: 9 July 2026
salary not specifiedB2B contract
Offer parameters
level:mid
working mode:remote
location:Warszawa, Masovian
Warszawa, Masovian

Requirements

Expected technologies

React.js
Angular
Next.js
Java
Spring Boot
Node.js
Express.js
TypeScript
REST APIs
JWT
OAuth
PostgreSQL
MySQL
MongoDB
GitHub Actions
Jenkins
GitLab CI
Docker
Kubernetes
AWS

Our requirements

  • Minimum 3+ years of professional experience as a Full Stack or Software Engineer.
  • Strong experience in frontend development using React.js, Angular, and/or Next.js.
  • Proficiency in Java (Spring Boot) and/or Node.js (Express.js).
  • Experience with TypeScript, REST APIs, and authentication (JWT/OAuth).
  • Solid understanding of frontend architecture, reusable components, and state management.
  • Experience with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB).
  • Knowledge of CI/CD pipelines (GitHub Actions, Jenkins, or GitLab CI).
  • Familiarity with Docker, Kubernetes basics, and AWS cloud services.
  • Experience working in microservices and MVC architectures.
  • Strong debugging, problem-solving, and code optimization skills.
  • Experience working in Agile/Scrum teams.

Optional

  • Experience across multiple frontend frameworks (React + Angular + Next.js).
  • Experience with production support and incident troubleshooting.
  • Exposure to enterprise-scale distributed systems.

Your responsibilities

  • Designing, developing, and maintaining modern web applications.
  • Contributing to both frontend and backend systems.
  • Ensuring performance, scalability, and clean architecture.
  • Taking ownership of features end-to-end, including design, development, testing, deployment, and production support.
  • Working closely with cross-functional teams including developers, QA, DevOps, and product stakeholders.

About the project

Enterprise-level, cloud-native development project.
Involves working across the full stack to deliver scalable, high-quality web applications in a modern microservices-based architecture.

This is how we organize our work

This is how we work

agilescrum

This is how we work on a project

  • Continuous Deployment
  • Continuous Integration
Company

Recruitment stages

  • 1.
    Initial screening
  • 2.
    Technical interview
  • 3.
    Final decision

SQUARE ONE RESOURCES sp. z o.o.

At Square One Poland we link IT experts with the business. With over 25 years of experience, we specialize in recruitment processes on a global scale. Despite years of experience, we still have a startup DNA and this is our advantage. Our offices are located in London and Warsaw, however, we can reach clients from all over the world, from start-ups to big worldwide corporations.

This is how we work

Full-stack Engineer
I apply to:
SQUARE ONE RESOURCES sp. z o.o.
Warszawa, Masovian

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