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Ampstek

Java API Developer

Ampstek
Sweden · Contract · Mid-Senior

Key Responsibilities – Java API Developer


Design, develop, and maintain RESTful APIs and microservices using Java 21/23 and Spring Boot 3.x.


Implement secure, scalable, and high-performance backend solutions for banking applications.


Integrate APIs with internal and external systems using Spring Data JPA, Kafka, and OpenShift.


Build and automate CI/CD pipelines with GitHub Actions, JUnit, and Gradle.


Ensure code quality through SonarQueue, unit testing, and mocking (Mockito).


Monitor and troubleshoot application performance using Grafana and Prometheus alerts.


Work with Swagger/OpenAPI for documentation and interface definition.


Collaborate closely with cross-functional teams to deliver secure, compliant, and reliable APIs.


Manage and optimize MS SQL databases and caching with HazelCast.


Apply mTLS for secure communication between services.

Key Skills

Ranked by relevance

java microservices restful apis spring boot prometheus grafana kafka junit cicd sql
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Posted
Nov 07, 2025
Type
Contract
Level
Mid-Senior
Location
Sweden
Company
Ampstek

Industries

IT Services IT Consulting

Categories

Information Technology

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