Haystack
← Back to Jobs
Technology

Junior Java Software Engineer

OchoBelfast, Northern Ireland🇬🇧United KingdomPosted 16 Jul 2026

Why This Role Stands Out

This role offers fantastic growth potential within a reputable digital product consultancy, where you'll develop in-demand skills in Java, Spring Boot, and AWS while contributing to impactful client-facing solutions. You'll thrive here if you're eager to learn from experienced colleagues and collaborate in a supportive, fast-paced environment. Apply now to launch your software engineering career!

Quick Overview

Work Type
On Site
Level
Junior

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

ADZN1_NI

Skills

MariaDB
Microservices
MySQL
SQL
Spring
Spring Boot
AWS
ELK
Nginx
OWASP
TDD
Apache
BDD
Cucumber
HTTP
JMeter
Java
Kafka
Kubernetes
Penetration Testing
React
React Native

Similar jobs