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Mid-Level Full-Stack Developer
  • Łódź
Mid-Level Full-Stack Developer
Łódź, Łódź, Łódź Voivodeship, Polska
The Cloud People Poland Sp. z o.o.
31. 10. 2025
Informacje o stanowisku

Mid-Level Full-Stack Developer

Miejsce pracy: Łódź

Technologies we use

Expected
  • Google Cloud Platform (Pub/Sub, Cloud Storage, BigQuery, Vertex AI)
Optional
  • Karma
  • Puppeteer
  • Jasmine
  • Playwright
  • Spring Security Test
  • Random Beans
  • TestContainers
  • AssertJ
  • Mockito
  • JUnit5
  • Java 11+ (targeting Java 21)
  • Spring Boot 3.3+
  • Spring Cloud GCP
  • MongoDB
  • Redis
  • Angular 17+
  • TypeScript
  • RxJS
  • Angular Material
  • Gradle 8+
  • Docker
  • Bitbucket Pipelines
  • Google Cloud Build
Operating system
  • Windows
  • macOS

Your responsibilities

  • Testing & Quality (Primary Focus – 70%):
  • Design, implement, and maintain automated tests for our microservices using JUnit 5, Mockito, and TestContainers.
  • Build and enhance end-to-end (E2E) test suites with Playwright for critical user workflows.
  • Develop integration tests validating communication between services via Google Cloud Pub/Sub.
  • Create unit tests for Spring Boot services and Angular components (Jasmine/Karma).
  • Implement test fixtures and mock data generators for MongoDB-based services.
  • Set up and maintain test environments using Docker and TestContainers.
  • Track and improve test coverage metrics across backend and frontend codebases.
  • Document testing patterns and best practices for the team.
  • Identify and report defects, collaborating with senior developers to diagnose root causes.
  • Participate in code reviews, ensuring testability and clean code practices.
  • Feature Development (Learning & Growth – 30%):
  • Develop and maintain full-stack features under the mentorship of senior engineers.
  • Implement API endpoints in Spring Boot following OpenAPI specifications.
  • Build and integrate Angular components with backend APIs using HAL/HATEOAS patterns.
  • Work with MongoDB for data persistence and queries.
  • Contribute to AI-powered features using Vertex AI and Gemini models.
  • Collaborate with cross-functional teams to deliver reliable, high-quality solutions.

Our requirements

  • 2–4 years of software development experience with Java and/or TypeScript/JavaScript.
  • Strong interest in automated testing and quality assurance.
  • Experience writing unit and integration tests (JUnit, Mockito, Jasmine, or similar).
  • Familiarity with Spring Boot or similar backend frameworks.
  • Basic understanding of Angular, React, or Vue.js.
  • Understanding of RESTful APIs and HTTP protocols.
  • Experience with Git and collaborative code review practices.
  • Good communication skills in English (written and verbal).
  • Eagerness to learn complex microservices architectures.
  • Attention to detail and strong problem-solving mindset.
Optional
  • Experience with E2E testing frameworks (Playwright, Cypress, Selenium).
  • Knowledge of TestContainers or other Docker-based testing tools.
  • Familiarity with Google Cloud Platform services.
  • Experience with MongoDB or other NoSQL databases.
  • Understanding of event-driven architecture and message queues.
  • Experience with CI/CD pipelines and automated test execution.
  • Knowledge of test coverage tools and quality metrics.

What we offer

-A unique opportunity to master a complex cloud platform through hands-on testing and feature development.

-A clear, structured growth path from testing specialist to full-stack developer.

-Mentorship from experienced senior developers and tech leads.

-Work on a cutting-edge, AI-powered platform built on Google Cloud.

-Collaboration with talented engineers and consultants across Europe.

-A flexible hybrid work environment in Poland.

-Continuous learning opportunities with modern cloud, AI, and microservices technologies.

Career Growth Path:

Months 1–6: Focus on understanding the codebase through test development and expanding test coverage.

Months 6–12: Begin contributing to feature development while maintaining testing responsibilities (≈50/50 split).

Months 12–18: Transition to feature ownership, using testing as your quality advantage (≈30/70 split).

Beyond: Become a proficient full-stack developer with deep system knowledge and a quality-first mindset.

Benefits

  • private medical care
  • life insurance

About Us

About Cloudia:

Cloudia is The Cloud People’s proprietary platform that enables Smart Resourcing — connecting customers and consultants through transparent, data-driven delivery models.

As part of the Cloudia team, you’ll be building the foundation that powers AI-driven innovation and next-generation cloud delivery worldwide.

You’ll begin by strengthening our testing and quality foundation, gaining insights into:

- How our microservices communicate through Google Cloud Pub/Sub,

- How our Angular frontend interacts with Spring Boot APIs, and

- How our AI-powered features work on the Cloudia Platform.

- As you build comprehensive test coverage, you’ll gradually take on feature development responsibilities, evolving into a well-rounded full-stack developer with quality-first principles.

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