Senior Software Developer (Java)

MCS Group; Belfast; Hybrid; GBP 68,000 - 80,000; Full time

Job summary

A global tech leader is seeking a Senior Java Engineer in Belfast to tackle backend challenges. You will design microservices and refine APIs, while mentoring junior developers in a hybrid environment. The ideal candidate has strong expertise in Java and Spring Boot, and experience in scalable architecture. This role offers competitive pay and exceptional benefits including private healthcare and generous leave policies.

Benefits

28 days annual leave + public holidays

Private healthcare, dental, and vision plans

9% non-contributory pension scheme

Lifestyle allowance & wellbeing support

Generous maternity/paternity leave

Cycle to Work & Gym Subsidy

Access to company equity programs and training budget

Qualifications

• Extensive experience as a backend or full stack engineer.
• Strong skills in Java and Spring Boot.
• Proven background in scalable microservices architecture and REST APIs.

Responsibilities

• Design and implement backend microservices using Java and Spring Boot.
• Build and refine RESTful APIs for secure, real-time payment flows.
• Mentor Junior Developers.

Skills

Java

Spring Boot

Scalable microservices architecture

REST APIs

Agile methodologies

Test-driven development

Job description

Senior Java Engineer - Belfast (Hybrid)

Up to £80,000 + Exceptional Benefits | Backend Java | Global Impact | Flexible Working

MCS are delighted to be partnering with a forward-thinking global tech leader. This company is hiring for a Senior Software Engineer to join a highly collaborative engineering team tackling critical backend challenges. This is your chance to work on services used by some of the most recognisable global brands.

What You'll Be Doing

• Designing and implementing backend microservices using Java and Spring Boot
• Building and refining RESTful APIs that power secure, real-time payment flows
• Writing clean, testable code with a focus on quality, performance, and reliability
• Leading on feature analysis, architecture decisions, and release planning
• Contributing to peer reviews, automated testing, and continuous integration
• Mentoring Junior Developers

What You Bring

• Extensive experience as a backend or full stack engineer
• Strong skills in Java and Spring Boot
• Proven background in scalable microservices architecture and REST APIs
• Test-driven development mindset with attention to quality and security
• Experience with agile methodologies and continuous delivery
• Ability to work on-site 3 days a week as part of a hybrid model

Why Join

• Hybrid working: 3 days onsite in a modern Belfast office
• Excellent benefits package including:
• 28 days annual leave + public holidays
• Private healthcare, dental, and vision plans
• 9% non-contributory pension scheme
• Lifestyle allowance & wellbeing support
• Generous maternity/paternity leave
• Cycle to Work & Gym Subsidy programs
• Access to company equity programs and training budget

To speak in absolute confidence about this opportunity, please send an up to date CV via the link provided or contact Matthew Rainey, Specialist Tech Recruiter, at MCS Group [phone]

Even if this position is not right for you, we may have others that are. Please visit MCS Group to view a wide selection of our current and exclusive roles www.mcsgroup.jobs