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Senior & Fullstack Engineer - Java​/Kotlin

Remote / Online - Candidates ideally in
Belfast, County Antrim, BT1, Northern Ireland, UK
Listing for: MCS Group
Remote/Work from Home position
Listed on 2026-01-01
Job specializations:
  • Software Development
    Backend Developer, Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 90000 GBP Yearly GBP 90000.00 YEAR
Job Description & How to Apply Below
Position: Senior & Staff Fullstack Engineer - Java/Kotlin
MCS Group is thrilled to be partnering exclusively with fast-growing technology company in the energy sector. They are expanding their Belfast engineering team and are looking for 2 Senior Backend Engineers to join and hit the ground running. The company builds a platform connecting businesses with external partners , helping large-scale operations work more efficiently and reliably. Day-to-day responsibilities:
Design and build scalable backend services powering the platform Collaborate with Product, Design, and Engineering to deliver new features Improve processes and enhance team collaboration Mentor and support other engineers What you need: 5 years experience building high-quality, scalable solutions Proficient in languages such as Kotlin, Java, Scala (also open to strong engineers from Java, Go, Python, Scala, or C# backgrounds eager to cross-train) SOA/Microservices & CI/CD exposure Cloud experience (GCP/AWS/Azure) Comfortable collaborating with remote teams Quick learner, adaptable with new technologies and tools What's in it for you:
High-impact role on a growing platform Flexible, modern ways of working with strong career progression Competitive package with  15% bonus, equity, pension, and health cover 25 days annual leave  statutory holidays Group Critical Illness & Life Cover, Employee Assistance Program Flexible working, WFH support, and wellness allowance Collaborative engineering culture focused on learning, mentoring, and growth To speak in absolute confidence about this opportunity please contact Rachael Walker, IT Recruitment Manager at MCS Group or click the apply button below.

If this position is not right for you, we have others that are. Please visit MCS Group to view a wide selection of our current jobs or give us a call . All conversations will be treated in the strictest of confidence.

Skills:

senior backend engineer senior backend developer backend developer backend engineer kotlin java scala Benefits:
Work From Home
Position Requirements
10+ Years work experience
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