EY (Ernst & Young)
Manager - Full-stack Developer - Belfast
Job Description
Salary: £40,500 - 68,500 per year
Requirements:- 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.
- 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.
- 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.
- AI
- API
- AWS
- Angular
- Azure
- Backend
- CI/CD
- Cloud
- DevOps
- Frontend
- GCP
- Support
- Java
- MySQL
- NoSQL
- PostgreSQL
- Python
- React
- Security
- Vue
- microservices
- ASP.NET
- NodeJS
- JavaScript
- Machine Learning
- Network
- Web
- Fullstack
More:
We are EY, and our Digital Engineering team in Belfast is growing as we expand our engineering capability within Technology Consulting. We shape, concept and build innovative solutions in agile, cross-functional teams, working on meaningful and impactful challenges across industries and society. This senior role combines hands-on delivery with technical leadership, mentorship and ownership of complex systems. We offer a competitive remuneration package, flexible working, career development, and a comprehensive Total Rewards package through FlexEY, along with support, coaching, feedback and opportunities to grow your career. We are building a better working world by creating new value for clients, people, society and the planet, enabled by data, AI and advanced technology.
last updated 35 week of 2026
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About EY (Ernst & Young)
EY (Ernst & Young)
Belfast
IT
Skills & Technologies
Inferred from job description
Salary Insight
£54,500
This role
£55,000
UK median
This salary is 1% below the UK median for Developers (£55,000/yr).
Based on 2024–2025 UK technology sector benchmarks