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Junior Java Developer

London
3 months ago
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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

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