Staff Software Engineer - Kotlin/Java | Impact Platform

Northern Ireland Water Limited; Belfast; On-site; GBP 80,000 - 100,000; Full time

Job summary

A fast-growing technology company in the energy sector is seeking a Staff Software Engineer in Belfast. The role involves designing and building scalable backend services, mentoring engineers, and collaborating with cross-functional teams. Ideal candidates should have 8+ years of experience in building high-quality solutions and be proficient in languages such as Kotlin, Java, or Scala. Joining this team offers a competitive package, flexible working, and a strong career progression.

Benefits

Competitive package with a 15% bonus

Equity and pension

25 days annual leave plus statutory holidays

Collaborative engineering culture focused on learning and growth

Qualifications

• 8+ years of experience building high-quality, scalable solutions.
• Proficient in languages such as Kotlin, Java, and Scala, or eager to cross-train.
• Experience with SOA/Microservices and CI/CD.

Responsibilities

• Design and build scalable backend services powering the platform.
• Collaborate with Product, Design, and Engineering to deliver new features.
• Mentor and support other engineers.

Skills

Building high-quality, scalable solutions

Proficient in Kotlin, Java, Scala

SOA/Microservices & CI/CD exposure

Cloud experience (GCP/AWS/Azure)

Collaboration with remote teams

Job description

A fast-growing technology company in the energy sector is seeking a Staff Software Engineer in Belfast. The role involves designing and building scalable backend services, mentoring engineers, and collaborating with cross-functional teams. Ideal candidates should have 8+ years of experience in building high-quality solutions and be proficient in languages such as Kotlin, Java, or Scala. Joining this team offers a competitive package, flexible working, and a strong career progression.