Junior Java Software Engineer

Company: Ocho
Apply for the Junior Java Software Engineer
Location: Belfast
Job Description:

Junior Java Software Engineer

At a Glance

  • Junior-level Java Software Engineer role
  • Java, Spring Boot, Microservices, AWS
  • Hybrid: 2 days in-office, 3 remote
  • Salary: (TBC)
  • Join a fast-paced team building scalable, client-facing solutions, with real mentorship and room to grow

About the Company A fast-growing digital product consultancy working closely with clients to design and deliver high-quality technical solutions. The team values sound decision-making, close client collaboration, and continuous learning.

Role Overview As a Junior Java Software Engineer, you’ll help develop high-quality, scalable applications as part of a collaborative engineering team reporting to the Head of Engineering. You’ll work closely with more senior colleagues and clients to understand technical designs and user stories, while developing your own skills in a fast-paced, supportive environment.

Key Responsibilities

  • Design, build, test and maintain Java-based backend solutions
  • Work with microservices architecture and RESTful APIs
  • Apply best practices for scalability and security
  • Contribute to discussions on technical designs and estimated effort
  • Communicate technical concepts clearly to teammates and clients
  • Take ownership of tasks and proactively solve problems
  • Learn from and share knowledge with the wider team
  • Support integration with AWS services and SQL databases

What You’ll Need

Essential:

  • 5+ years Java experience
  • 2+ years’ practical experience with Spring Boot
  • Microservices architecture experience
  • Experience in 3 or more of: TDD, BDD/Cucumber, performance testing (e.g. JMeter), penetration testing/OWASP, Kubernetes/container orchestration
  • Experience designing, creating and calling HTTP APIs
  • SQL database experience (e.g. Postgres, MySQL, MariaDB)
  • Experience with 3+ AWS services (e.g. EC2, RDS, S3, Route 53, Elasticsearch, EKS, CloudWatch, CloudFront)
  • Comfortable working in a team with minimal supervision

Desirable:

  • CI/CD pipeline setup and configuration
  • NoSQL/document databases
  • ELK stack, Apache Kafka
  • Spring Security and OAuth2 flows
  • React or React Native
  • Keycloak, Camunda
  • OpenAPI/Swagger, Nginx setup

Skills:Junior Developer Java AWS Software

WHJS1_NI

Posted: July 8th, 2026