Manager - Full-stack Developer - DE - TC - UKI - Belfast

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 engineers 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.

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.
• 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.
• Digital software engineering. Many of our solutions involve custom engineering of unique solutions and experiences created from modern web-scale technologies.

As a technologist in Digital Engineering, 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. 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 is expanding our engineering capability. This is an exciting 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.

Your key responsibilities:

• Actively participate and own the design, development and delivery of full stack products from frontend to backend.
• 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.
• Play a key role in defining the engineering strategy for Digital Engineering, advocating for consistent standards, practices and approaches across teams and client engagements.
• Provide technical mentorship and guidance to junior developers, promoting a culture of continuous improvement and engineering excellence.

Skills and attributes for success:

• Strong professional full-stack development experience, with increasing levels of responsibility.
• Strong backend development experience using Node.js, Java, Python, .NET or similar technologies.
• Proven ability to design and build scalable APIs and distributed systems.
• Solid experience with relational databases such as PostgreSQL or MySQL.
• Experience with testing frameworks, unit testing, integration testing and automated testing strategies.
• Strong understanding of software development best practices, system design, maintainability and code quality.
• Experience working in agile, cross-functional teams and contributing to delivery planning and estimation.
• Experience with cloud platforms such as AWS, Azure or GCP, CI/CD pipelines or DevOps practices would be beneficial.
• Exposure to NoSQL databases, microservices or event-driven architectures would be desirable.

To qualify for the role, you must have:

• Strong technical decision-making ability.
• Excellent problem-solving skills with a proactive approach to challenges.
• Confident communicator, able to engage with both technical and non-technical stakeholders.
• A mentor mindset with a passion for developing others and raising team capability.
• High level of ownership, accountability and attention to detail.

What we look for: We’re interested in candidates who can take end-to-end ownership of complex features and systems, balancing hands-on engineering with technical leadership. You should bring a strong voice in shaping our engineering culture in Belfast and the wider Digital Engineering capability.

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.