Java Software Engineer with .NET (Poland)

Project Description:

Our client is a large international enterprise developing and evolving a core solution that supports critical business processes used across multiple teams.

The project focuses on the continuous development and maintenance of a central platform, with an emphasis on code quality, scalability, and long-term maintainability. The solution is built using modern software engineering practices and technologies.

The role involves working as part of a cross-functional Scrum team, collaborating closely with other software developers, UX analysts, and senior engineers to implement new functionality, improve existing components, and ensure stable operation of the platform.

Responsibilities:

• Work together with other Scrum team members on a project of the client's Core solution

• Participate in Scrum planning sessions by analyzing the work to be done

• Implement new functionality or code refactors based on detailed specifications and mock-ups

• Closely work together with other development team members and a UX analyst

• Discuss technical design with senior team members when needed

• Participate in writing unit tests for newly developed functionality

• Participate in performing code reviews

• Report work progress on a daily basis

• Focus on bug fixing when needed

• Regular business trips to Belgium for 1 week every 2 months

Mandatory Skills Description:

- Minimum 5 years in IT in total

- Minimum 3 years of professional experience with Java

- 1-2 years of professional experience with .NET / .NET Core

- Solid experience with Spring / Spring Boot

- Strong knowledge of ORM frameworks such as nHibernate (or similar)

- Experience designing and building RESTful APIs

- Good understanding of backend architecture, performance, and security

- Strong experience working with relational databases. PostgreSQL knowledge or experience with database performance optimizations is an advantage

- Knowledge of unit testing and integration testing

- Experience with Agile/Scrum development methodologies

- Fluent in English

Nice-to-Have Skills Description:

- Relevant hands‑on experience with Angular is strongly preferred

- Healthcare experience