Software Engineer - Java/JavaScript/Python

Company: MCS Group

Location: Belfast

Posted: May 13th, 2026

MCS Group is delighted to be partnering with a global technology organisation as they expand their Cyber Security Engineering teams with the addition of multiple Software Engineers across varying levels of experience. This is an opportunity to join a modern, cloud-first engineering environment building enterprise-scale security platforms and products used by millions of users globally. The organisation is heavily investing in cybersecurity, AI and digital engineering, with teams focused on building secure-by-default solutions embedded directly into large-scale enterprise platforms. The Role You'll join a collaborative engineering team responsible for designing, building and operating security capabilities as scalable software products. Working across the full SDLC, you'll help deliver secure, reliable and developer-friendly services while collaborating closely with product, platform and engineering teams. What You'll Be Doing Designing and developing scalable backend services and micro-services architectures Building APIs and cloud-native applications using modern engineering practices Working across the full SDLC including design, development, deployment and production support Writing high-quality production code using technologies such as Java, JavaScript and Python Collaborating with product managers and engineering teams to deliver secure-by-default solutions What We're Looking For 3+ years commercial software engineering experience Strong experience with Java, JavaScript and/or Python Experience building distributed systems, micro-services and REST APIs Cloud and backend engineering experience within modern development environments Experience working in agile teams using CI/CD and modern engineering practices Strong communication and collaboration skills For more experienced candidates, you should also demonstrate mentoring/coaching experience and the ability to contribute to architecture and technical decision-making. Why Apply? Work on enterprise-scale technology platforms with global impact Join a growing Cyber Security Engineering function Strong career progression and continuous learning opportunities Flexible hybrid working model with no set days Competitive salary up to £67000 depending on experience One-stage interview process To speak in absolute confidence about this opportunity, please send an up to date CV via the link provided or contact Sam McCormick at s.mcco 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. MCS Group is committed to Equality, Diversity, and Inclusion for all, being the first recruitment agency in NI to achieve Bronze Diversity Mark accreditation. If you have a disability which means you require a reasonable adjustment to be considered at any stage of the recruitment process, please contact us and we will endeavour to facilitate the request. Skills: Software development software engineer cloud java javascript python senior software engineer Benefits: Work From Home

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