Software Senior Engineer United Kingdom, Belfast Jobs

Rapid7 seeks a Senior Software Engineer for its Belfast Labs team to build world-class security data platforms. You will develop critical capabilities like vulnerability intelligence and Project Sonar using Python, Go, or Java. The role requires expertise in Kubernetes, Terraform, and AWS service...

Rapid7 seeks a Senior Software Engineer for its Belfast Labs team to build world-class security data platforms. You will develop critical capabilities like vulnerability intelligence and Project Sonar using Python, Go, or Java. The role demands expertise in Kubernetes, Terraform, AWS (S3, EC2, RD...

Senior Software Engineer (AVP) role in Citi’s Margin Technology team, based in Belfast. You will build high-impact financial systems using Java, React, and Python, with expertise in RESTful APIs, TDD, and clean code. Join a global team solving complex problems at massive scale, with hybrid work, ...

Senior Software Engineer - Margin Technology at Citi in Belfast. Build high-impact financial systems using Java, React, and Python, with RESTful APIs and TDD. Join a global team solving complex problems at massive scale. Enjoy 27 days leave, bonus, private medical, and hybrid work.

Senior Software Engineer sought in Belfast to build high-quality, scalable applications impacting global users. You will drive technical decisions, mentor junior developers, and apply best practices in security and performance. Ideal for experienced engineers proficient in full-stack development,...

Join our team in Belfast as a Senior Software Engineer. You will design and build high-scale distributed systems using Java and microservices for a global platform. This role requires 5+ years of experience, cloud expertise (AWS/Azure/GCP), and offers the chance to mentor engineers and shape tech...

Join Arqit, a leader in quantum-safe cybersecurity, as a Senior Software Engineer in Belfast. Develop mission-critical, scalable encryption software using Python, with opportunities in Rust and AngularJS. Enjoy a comprehensive benefits package including equity, bonus, and private medical insuranc...

Lead architectural development for cybersecurity products as a Senior Principal Software Engineer at Rapid7 in Belfast. This role requires 12+ years of Java experience and expertise in designing complex, scalable enterprise software. You will drive technical strategy, foster innovation, and champ...