Senior Full Stack Developer (Java 21, React, Kafka)

Square One Resources Sp. z o.o. Show all offers

Warszawa

5 days ago

In short

Senior Full Stack Developer needed for SIMPL project (EU Commission initiative) in Warsaw. Develop modular middleware for data sharing using Java 21, Spring, Kafka, React, TypeScript. Agile team, project extended to April 2027. Requires 5+ years exp, Agile, Git, Jira, Confluence, English B2/C1.

Keywords

java 21 spring framework apache kafka react typescript rest apis git jira agile methodology sql

AI-written summary based on the listing content.

SIMPL is a European Commission initiative developing an open, modular middleware platform for secure data sharing and interoperability across European data spaces. The project focuses on full-stack development using React, TypeScript, Java 21, Spring, and Kafka, including API development, system integrations, and platform enhancements within an international Agile team.

The project is currently extended until April 2027.

. Design, develop, test, and maintain frontend applications using JavaScript, TypeScript, and React., Design and implement backend services using Java 21, Spring Framework, Spring Boot, Spring MVC, Spring Integration, and Spring REST., Develop and maintain REST APIs and platform integrations., Build and support event-driven integrations using Apache Kafka., Develop and optimize relational database interactions and queries., Create and maintain automated unit tests using JUnit., Build and package applications using Maven and deploy them on Tomcat-based environments., Ensure code quality through peer reviews, SonarQube analysis, and secure coding practices., Address security findings and vulnerabilities identified through Fortify and other security scans., Support deployment and operational activities using Argo and Rancher., Investigate and troubleshoot technical issues using logs, monitoring, and Elasticsearch., Maintain code, configuration, and technical documentation in Git repositories, Jira, and Confluence., Contribute to continuous improvement initiatives and engineering best practices within SIMPL... Large-scale platform or integration programmes., 5+ years of professional software development experience., Proven experience working in Agile / Scrum delivery teams., Experience using Git, Jira, and Confluence., English B2/C1.