Senior Java Backend Engineer - Microservices & Cloud

Capgemini; Wrocław; Hybrid; PLN 210,000 - 260,000; Full time

Benefits offered by this job

Hybrid work model

NEXT platform training & certification

Medicover private medical care

Life insurance

NAIS benefits (Netflix, Spotify)

Job summary

Capgemini is seeking a Senior Java backend developer in Wrocław to design and build scalable microservices using Java and the Spring ecosystem. You will ensure code quality, performance, and scalability while collaborating with DevOps on cloud infrastructure.

You will contribute to REST APIs, testing strategies with JUnit/Mockito, and modern Java features, with a hybrid work model and access to training resources on NEXT platform.

Qualifications

• 5+ years in Java development and backend systems.
• Strong knowledge of core Java and memory management.
• Experience with Spring Boot/Spring Data and REST APIs.
• Hands-on unit/integration testing with JUnit/Mockito.
• Familiarity with cloud (GCP), DevOps collaboration, and microservices.

Responsibilities

• Designing and developing backend systems using Java and Spring ecosystem.
• Building and maintaining microservices-based architectures.
• Writing high-quality, performance-focused code with tests.
• Collaborating with DevOps on cloud infrastructure (GCP).
• Participating in code reviews and architecture discussions.

Skills

Java development

Core Java

Memory management

Concurrency

Future/Completable

Modern Java features

Spring Boot

Spring Data

REST APIs

Microservices

JUnit

Mockito

GCP

Tools

Docker

Kubernetes

Kafka

ActiveMQ

Jenkins

GitLab CI

Terraform

Job description

Capgemini is seeking a Senior Java backend developer in Wrocław to design and build scalable microservices using Java and the Spring ecosystem. You will ensure code quality, performance, and scalability while collaborating with DevOps on cloud infrastructure.

You will contribute to REST APIs, testing strategies with JUnit/Mockito, and modern Java features, with a hybrid work model and access to training resources on NEXT platform.