Senior Consultant - Full-stack Developer - DE - TC - UKI

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.

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 the 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.

• 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,
• Digital software engineering. Many of our solutions involve custom engineering of unique solutions and experiences created from modern web‑scale technologies, such as HTML5, JavaScript, Micro‑Services, Cloud Computing and Machine Learning.

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.

EY is actively growing our Digital Engineering team in Belfast and is expanding our full‑stack engineering capability. This is a fantastic opportunity for a highly capable developer who is ready to operate at a senior level, combining hands‑on delivery with technical leadership, mentorship, and ownership of complex systems. We are looking for someone who is ready to challenge themselves by learning new technologies, lead developer teams and understand a product from end to end.

• Actively participate and own the design, development and delivery of full stack products from user interfaces through to the supportive backend databases
• Build and maintain responsive, high‑quality user interfaces using modern frameworks such as React, Angular or Vue.
• Design and implement robust APIs and services, ensuring security, reliability and maintainability.
• Work closely with product teams to understand complex business requirements and translate them into technical solutions.
• Present delivered features and technical solutions confidently to stakeholders and clients.
• Perform thorough peer code reviews, providing constructive feedback and maintaining high engineering standards.
• Support and lead non‑functional improvements, including technical debt reduction, performance optimisation and creation of clear API documentation.
• Provide technical mentorship and guidance to junior developers, promoting a culture of continuous improvement and engineering excellence.

• Strong professional full‑stack development experience, with increasing levels of responsibility.
• Strong experience with JavaScript or Type Script and modern front‑end frameworks such as React, Angular or Vue.
• Strong backend development experience using Node.js, Java, Python, .NET or similar technologies.
• Proven ability to design and build scalable APIs and distributed…