Senior Software Engineer
Summary
Senior full-stack engineer in Belfast building scalable, enterprise-grade platforms: backend services and RESTful APIs in Java (Spring Boot) and Node.js, modern component-based frontend, plus architecture decisions, CI/CD and code-quality best practices, and mentoring junior engineers within Agile teams.
Enso Recruitment are proud to be working with a global, technology-driven organisation who are continuing to grow their engineering presence in Belfast.
They are seeking a Senior Software Engineer to join a high-performing team building scalable, enterprise-grade platforms used across international markets.
This is a fantastic opportunity for an experienced engineer who enjoys working across the full stack, contributing to both technical delivery and engineering standards within a collaborative, modern environment.
The Opportunity
You will play a key role in designing, developing, and maintaining high-quality software systems that power critical business platforms. This role offers a balance of hands‑on development, problem‑solving, and technical leadership.
You’ll work closely with cross‑functional teams to deliver new features, improve existing systems, and contribute to architectural decisions. You will also support and mentor junior engineers, helping to drive best practices across the team.
Key Responsibilities
- Develop and maintain scalable, enterprise-grade applications
- Build backend services and APIs using Java (Spring Boot or similar) and Node.js
- Design and implement secure, high-performance RESTful APIs
- Apply modern frontend practices including responsive design and component-based architecture
- Collaborate with stakeholders to translate business requirements into technical solutions
- Drive best practices in testing, code quality, CI/CD, and performance optimisation
- Contribute to system architecture and technical design decisions
- Mentor junior engineers and participate in code reviews
- Work within Agile teams to deliver high-quality, maintainable solutions
About You
- 5+ years’ experience in software engineering with strong full-stack capability
- Strong experience with Java (Spring Boot or similar)
- Experience with Node.js and backend service development
- Strong understanding of REST APIs, system design, and scalable architecture
- Experience building secure, high-performance applications
- Familiarity with testing frameworks and best practices
- Experience working with Git and Agile methodologies
- Strong communication skills and a collaborative approach
- Discretionary bonus
- Day off for your birthday
- Health insurance
- Life assurance
- Pension
