Junior Java Developer

London
1 week ago
Create job alert

Job Title: Java Developer
Location: Onsite
Experience: 2–5 years
Employment Type: Full-Time

Job Summary:

We are seeking an experienced Java Developer with 2 to 3 years of hands-on experience in building applications using Java, Spring Boot, and Microservices architecture. The ideal candidate should also have a basic understanding of JUnit for testing and cloud platforms.

Key Responsibilities:

Design, develop, and maintain backend services using Java and Spring Boot

Build and maintain microservices and REST APIs

In-depth experience in building RESTful APIs and microservices using Spring Boot.

Proficient in using Spring Boot starters, auto-configuration, and Spring Security.

Integrated Spring Data JPA with Spring Boot applications and handled database migrations using tools like Flyway or Liquibase.

Experienced in working within Agile/Scrum environments, participating in daily stand-ups, sprint planning, retrospectives, and backlog grooming.

Familiar with Agile tools such as JIRA, Confluence, or Azure DevOps for tracking stories, tasks, and sprint progress.

Actively contributed to sprint ceremonies and ensured timely delivery of features aligned with sprint goals and definition of done.

Experience integrating with databases, Kafka, or third-party APIs using Spring Boot modules.

Write unit and integration tests using JUnit

Collaborate with DevOps and QA teams to ensure cloud deployment and testing

Debug and resolve technical issues across the application stack

Implement best practices in coding, testing, CI/CD, and security.

Hands-on experience managing project dependencies and build lifecycles using Maven and/or Gradle.

Expertise in configuring multi-module Java projects with custom build profiles and plugins.

Familiar with automating build, test, and deployment workflows using Maven/Gradle in CI/CD pipelines.

Proficient in Git version control, including branching, merging, rebasing, and resolving conflicts.

Worked in teams using Git-based workflows like Git Flow or Feature Branching.

Experience using Bitbucket for source code management, pull requests, code reviews, and repository administration.

Strong knowledge of SQL for querying and managing relational databases like MySQL, PostgreSQL, or Oracle.

Skilled in writing complex joins, subqueries, stored procedures, and performance tuning.

Experience with integrating SQL queries within Java applications using JDBC, JPA, or Spring Data JPA.

Extensive experience in unit testing Java applications using JUnit 4/5.

Skilled in writing parameterized tests, assertions, and test lifecycle hooks.

Required Skills & Experience:

2–3 years of strong hands-on experience with Java and Spring Boot

Proven experience in developing and deploying microservices

Proficient in using Spring Data JPA for ORM (Object-Relational Mapping) and seamless integration with relational databases.

Deep understanding of entity relationships (OneToMany, ManyToOne, etc.), lazy/eager loading, and cascade types.

Familiarity with JUnit for writing and executing test cases

Basic understanding of cloud platforms like AWS, Azure, or GCP

Strong knowledge of RESTful APIs, JSON, and HTTP

Experience with version control tools like Git

Experienced in working within Agile/Scrum environments.

Familiar with Agile tools such as JIRA, Confluence, or Azure DevOps for tracking stories, tasks, and sprint progress.

Nice to Have:

Exposure to CI/CD tools like Jenkins, GitLab CI/CD, etc.

Knowledge of Docker, Kubernetes, or any container orchestration

Experience with message brokers like Kafka or RabbitMQ

Educational Qualification:

Bachelor’s degree in Computer Science, Information Technology, or related field

Related Jobs

View all jobs

Senior Java Developer

Senior Java Developer

Snr Full Stack / Java Developer

Lead Software Engineer

Senior REACT Developer Contract Dublin

Lead Software Engineer

Get the latest insights and jobs direct. Sign up for our newsletter.

By subscribing you agree to our privacy policy and terms of service.

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

Cloud Jobs at Newly Funded UK Start-ups: Q3 2025 Investment Tracker

Cloud computing continues to be a pivotal force in the UK tech scene. From serverless architectures and edge computing solutions to AI-driven data analytics platforms, start-ups across the country are leveraging cloud technologies to innovate at lightning speed. This trend is far from a passing phase; in fact, cloud adoption has become a strategic imperative for businesses of all sizes, enhancing their scalability, flexibility, and competitive edge in a global marketplace. In Q3 2025, UK-based cloud computing start-ups attracted impressive funding rounds, signalling robust investor confidence in the sector. Whether you’re a cloud engineer, DevOps practitioner, project manager, or aspiring to break into cloud-based roles, these newly funded ventures are on the lookout for talent. This Q3 2025 Investment Tracker will guide you through the most notable funding news, the job opportunities that these investments have created, and how you can position yourself to land a coveted role at these cutting-edge companies. Lastly, we’ll introduce you to Cloudcomputingjobs.co.uk—a dedicated platform that connects cloud professionals with emerging start-ups and established enterprises alike. If you’re eager to harness the momentum of this booming sector, read on to discover the latest hiring trends, in-demand skill sets, and practical steps to accelerate your cloud career.

Portfolio Projects That Get You Hired for Cloud Jobs (With Real GitHub Examples)

As cloud computing becomes the de facto choice for businesses of all sizes, cloud professionals are in high demand. From infrastructure automation to container orchestration and serverless architecture, cloud roles require a blend of technical expertise and practical, hands-on skills. Whether you’re aiming to be a Cloud Engineer, Solutions Architect, DevOps Professional, or any role involving AWS, Azure, or Google Cloud Platform (GCP), a well-curated portfolio of projects is often the deciding factor for hiring managers. In this comprehensive guide, we’ll explore: Why a portfolio matters more than ever in the cloud computing job market. Which types of projects align with different cloud roles. Real GitHub examples that exemplify best practices in cloud development and deployment. Actionable project ideas to help you stand out from the crowd. Best practices for structuring and presenting your repositories for maximum impact. By the end, you’ll have a clear blueprint to build an impressive portfolio that resonates with potential employers. And when you’re ready to make your move, don’t forget to upload your CV on Cloud-Jobs.co.uk so that top companies seeking cloud talent can see your experience firsthand.

Cloud Computing Job Interview Warm‑Up: 30 Real Coding & System‑Design Questions

The world of cloud computing has rapidly evolved into a critical backbone for modern businesses. From running microservices on containerised infrastructure and automating continuous deployments, to architecting highly available, secure solutions at global scale—the cloud domain offers endless career opportunities. Whether you aim to become an AWS Solutions Architect, an Azure DevOps Engineer, or a GCP Cloud Developer, your expertise in designing, coding, and managing cloud‑native services can open doors across every industry. However, cloud job interviews can be challenging. Employers typically probe a wide array of topics, from traditional software engineering and system design to security, scalability, and cost optimisation in cloud environments. For many candidates, this means a broad but in-depth skillset, along with hands‑on demonstrations of your knowledge. In this guide, we’ll walk you through 30 real coding & system-design questions you might face when interviewing for cloud roles. Each question or scenario is designed to test both fundamental programming skills and the architectural insight needed for building, deploying, and maintaining cloud platforms. If you’re seeking new opportunities in the UK’s thriving cloud sector, www.cloudcomputingjobs.co.uk is an excellent place to start. You’ll find roles spanning everything from core infrastructure engineering to hybrid cloud consulting. Let’s begin your interview prep journey now.