Senior Full-Stack Engineer & Tech Lead - Belfast

Ernst & Young Advisory Services Sdn Bhd; Belfast City District; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Flexible working

Career development

Total Rewards package

Job summary

EY in Belfast is seeking a Senior Full-Stack Developer to join our Technology Consulting practice. You will operate at a senior level, blending hands-on delivery with technical leadership, mentorship, and ownership of complex systems.

You will learn new technologies, lead developer teams and understand a product end-to-end. Join a fast-growing Digital Engineering team delivering large-scale software, SaaS and API solutions.

Qualifications

• Strong leadership and 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.
• Mentor mindset with a passion for developing others and raising team capability.
• High level of ownership, accountability and attention to detail.

Responsibilities

• 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.

Skills

Full-stack development

Node.js

Java

Python

REST APIs

Cloud platforms

Agile

Mentorship

Team leadership

Tools

React

Angular

Vue

Job description

EY in Belfast is seeking a Senior Full-Stack Developer to join our Technology Consulting practice. You will operate at a senior level, blending hands-on delivery with technical leadership, mentorship, and ownership of complex systems.

You will learn new technologies, lead developer teams and understand a product end-to-end. Join a fast-growing Digital Engineering team delivering large-scale software, SaaS and API solutions.