Fullstack Software Engineer (Java, React, Typescript) / 1

Inetum · Warsaw, Poland · full-time · Hybrid · 2 days ago

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Posted October 23, 2026 · Read from Inetum
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Job Description

We are looking for a Fullstack Developer to join an agile team responsible for developing and enhancing a business-critical CRM application.

You will work in a collaborative team of 7 developers and 1 Test Manager, building new features and improving existing CRM capabilities.

One of the key areas of development is the implementation of AI-driven functionalities designed to guide users through business workflows. These features are built using React and TypeScript on the frontend and Java with Spring Boot on the backend.

The CRM landscape consists of several frontend and backend applications. Depending on current project priorities and business requirements, you may work across different components and functional areas of the platform.

Your responsibilities:

  • Develop and enhance features within the CRM application.
  • Build AI-supported functionalities that guide users through business processes and workflows.
  • Develop frontend solutions using React and TypeScript.
  • Build and maintain backend services using Java 21+ and Spring Boot.
  • Design and integrate REST APIs.
  • Work with applications running in Kubernetes environments and managed with Helm.
  • Create and maintain unit and integration tests using JUnit 5, Mockito and Testcontainers.
  • Contribute to different Java-based frontend and backend components within the wider CRM ecosystem.
  • Collaborate closely with developers, testing and other team members in an Agile environment.
  • Participate in the ongoing development, maintenance and improvement of the CRM solution.

Must-have skills:

  • Strong commercial experience with Java 21+
  • Spring Framework / Spring Boot
  • React
  • TypeScript
  • REST APIs
  • Kubernetes
  • Helm
  • Unit and integration testing:JUnit 5MockitoTestcontainers
  • Git
  • Swagger
  • IntelliJ IDEA

Nice to have skills:

Experience with some of the following would be an advantage:

  • ELK Stack
  • Atlassian tools:BitbucketJiraConfluence
  • Jenkins / CI/CD
  • Databases:PostgreSQLSybase
  • SQL

Additional Information

Hybrid work model: 3 days from the office, 2 days of home office.

Office location: Warsaw, Poznań or Lublin.

Thank you for your interest in our offer. We will contact selected candidates whose experience best matches the requirements of the role.

Additional Information

We hereby inform you that Inetum Polska sp. z o.o. has implemented an internal reporting (whistleblowing) procedure. The content of the procedure and the possibility to submit an internal report are available at:

https://inetum.whispli.com/speakup?locale=pl

Employer
Inetum
Location
Warsaw, Poland · Hybrid
Contract
full-time