Consultant - Junior Java Engineer - DE - TC - UKI - Belfast

Ernst & Young Advisory Services Sdn Bhd; Belfast City District; On-site; GBP 30,000 - 45,000; Full time

Benefits offered by this job

Supportive team environment

Opportunities for growth

Competitive benefits

Job summary

EY in Belfast is hiring a Junior Java Engineer to join the Digital Engineering team. You will contribute to backend development, help design scalable software and work with agile delivery to address client challenges.

The role requires a Bachelor's degree in Computer Science or related field and at least 2 years in backend Java, with experience in JUnit, Mockito, Gradle/Maven, Docker, Git and database work (MongoDB/MySQL). Friendly, collaborative environment and opportunities for growth.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Software Programming or Information Management.
• Minimum of 2 years of experience in a backend software development role.
• Proficiency in Java, including strong understanding of object-oriented programming and core language features.
• Experience with JUnit and Mockito for unit testing, mocking dependencies, and writing maintainable automated tests.
• Hands-on experience with build tools such as Gradle or Maven to manage dependencies and automate project builds.
• Containerisation experience with Docker, including building and running containerised Java applications.
• Strong understanding of Git for version control, branching strategies, and collaborative development workflows.
• Experience working with databases, preferably MongoDB and MySQL.
• Experience working on engagements with technologies and architectures in a product environment
• Knowledge/experience of agile delivery methodologies (Scrum and DevOps) and application development lifecycle

Responsibilities

• Coding new backend developments and / or enhancements.
• Quality assures program specifications and code.
• Adhere to code quality and unit testing standards.
• Work closely with the product team to understand complex business requirements.
• Identify and implement integration tests, automating tests where appropriate.
• Investigate and manage complex Live Incidents.
• Present delivered features to the client.
• Peer reviewing code changes completed by developers.
• Support non-functional tasks such as technical-debt reduction and creation of clear API documentation.

Skills

Java

Object-oriented programming

JUnit

Mockito

Gradle/Maven

Docker

Git

MongoDB

MySQL

Agile

Education

Bachelor's degree in Computer Science or related field

Tools

JUnit

Mockito

Gradle

Maven

Docker

Git

Job description

Location: Belfast

Other locations: Primary Location Only

Date: 24 Jul 2026

Requisition ID: 1705669

At EY, we’re all in to shape your future with confidence.

We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go.

Join EY and help to build a better working world.

Junior Java Engineer - Technology Consulting – Belfast

In Digital Engineering we shape, concept and build innovative solutions that address the most important issues and opportunities for our clients. Our consultants work in agile, cross-functional teams addressing some of most significant issues facing society today, such as transition to sustainable energy, digitisation of government, scaling high-growth businesses, exploiting the potential of AI and improving wellness with digital healthcare.

The core capabilities of our team include:

• Digital strategy, horizon scanning, and strategic planning.Working in combined teams with Business Designers, Researchers, Strategists, Industry and Functional Specialists, we develop a vision, roadmap and case for change to address fundamental issues facing our clients, such as “how can we grow?”, “how do we respond to disruption?” and “what can we do next?”
• Digital technology delivery management.Using principles of lean start-up and agile, we manage large-scale delivery programmes that include custom software and SaaS solutions, using an ecosystem of EY, client and partner agency resources. We have a range of skills across programme management, solution architecture, product management, business analysis and delivery management,

As a technology specialist, EY offers you the opportunity to apply your skills in a highly strategic context, working on meaningful and impactful solutions that build a better working world. EY is a leader in Business Transformation services and the Digital Engineering team is rapidly growing to enable us to deliver more of our technology work. This is an exciting time for new joiners who will have many opportunities to make their mark on the business and accelerate their personal and professional growth.

The opportunity

EY is actively growing our Digital Engineering team in Belfast and are expanding our Java Developer team. This is a fantastic opportunity to be part of a leading firm whilst being instrumental in the growth of our service offering.

Your key responsibilities

• Coding new backend developments and / or enhancements.
• Quality assures program specifications and code.
• Adhere to code quality and unit testing standards.
• Work closely with the product team to understand complex business requirements.
• Identify and implement integration tests, automating tests where appropriate.
• Investigate and manage complex Live Incidents.
• Present delivered features to the client.
• Peer reviewing code changes completed by developers.
• Support non‑functional tasks such as technical‑debt reduction and creation of clear API documentation.

Skills and attributes for success

• A Bachelor's degree in Computer Science, Software Engineering, Software Programming or Information Management.
• Minimum of 2 years of experience in a backend software development role.
• Proficiency in Java, including strong understanding of object-oriented‑ programming and core language features.
• Experience with JUnit and Mockito for unit testing, mocking dependencies, and writing maintainable automated tests.
• Hands-‑on experience with build tools such as Gradle or Maven to manage dependencies and automate project builds.
• Containerisation experience with Docker, including building and running containerised Java applications.
• Strong understanding of Git for version control, branching strategies, and collaborative development workflows.
• Experience working with databases, preferably MongoDB and MySQL.
• Experience working on engagements with technologies and architectures in a product environment
• Knowledge/experience of agile delivery methodologies (Scrum and DevOps) and application development lifecycle

To qualify for the role, you must have

• Team Player
• Self-starter and highly motivated
• Ability to handle high pressure and fast paced situations
• Excellent communication skills and ability to produce high-quality written deliverables in fluent English

If you are successful in your application, you will be invited to attend an in-person assessment centre towards the end of February. As part of the assessment centre, candidates will complete a 45-minute technical assessment designed to evaluate their understanding of our technology stack (outlined in the Skills and attributes for success section) and their ability to work with real code. This exercise will include a series of focused technical questions alongside a practical code-review task, where candidates will be asked to interpret what the code is doing, identify potential issues, and suggest improvements. We will be looking for clear reasoning around maintainability, readability, robustness, and modern best practices, as well as an ability to communicate technical insights effectively.

What we look for

We’re interested in candidates with a genuine creative vision and the confidence to make it happen. You can expect plenty of autonomy in this role, so you’ll need the ability to take initiative and seek out opportunities to improve our current relationships and processes. If you’re serious about joining Digital Engineering and ready to take on some of our clients’ most complex issues, this role is for you.

What working at EY offers

We offer a competitive remuneration package where you’ll be rewarded for your individual and team performance. Our comprehensive Total Rewards package includes support for flexible working and career development, and with FlexEY you can select benefits that suit your needs, covering holidays, health and well‑being, insurance, savings and a wide range of discounts, offers and promotions. Plus, we offer:

• Support, coaching and feedback from some of the most engaging colleagues around
• Opportunities to develop new skills and progress your career
• The freedom and flexibility to handle your role in a way that’s right for you

EY | Building a better working world

EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.

Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.

EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fuelled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.

EY | Building a better working world

EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.

Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.

EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.

EY refers to the global organization, and may refer to one or more, of the member firms of Ernst & Young Global Limited, each of which is a separate legal entity. Ernst & Young Global Limited, a UK company limited by guarantee, does not provide services to clients.