Senior Software Developer (Java)

Senior Software 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 high-volume, real-time transactional 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 +442896935514

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