Join a Leading Tech Innovator - Senior Backend Software Engineer (Belfast) MCS Group is delighted to once again partner with one of our long-standing clients in the search for a Senior Backend Software Engineer to strengthen their expanding technology team in Belfast. If you are passionate about building cutting-edge platforms that revolutionise how businesses connect, this could be the perfect role for you. The Role: You will be a key member of the backend engineering team, responsible for designing and delivering high-performance, scalable services that underpin the company's platform. Working within a collaborative, cross-functional environment, your work will directly contribute to innovation and business growth. Key Responsibilities: Design, develop, and refine core services within a service-oriented and microservices architecture. Collaborate closely with product owners, UX/UI designers, and fellow engineers to deliver impactful, high-quality features. Champion best practices in coding, testing, and deployment to ensure robust, reliable solutions. Help improve engineering processes to enhance team collaboration and efficiency. Mentor and support junior developers, sharing knowledge and encouraging technical growth across the team. What We're Looking For: Proficiency in a JVM language such as Kotlin, Java, Scala, or C#, alongside experience with Python. Strong background in building solutions within SOA and/or microservices environments. Hands-on experience in implementing CI/CD pipelines for production services. Familiarity with cloud platforms such as GCP, AWS, or Azure. Comfortable collaborating with distributed teams across different time zones. A proactive mindset with a passion for solving complex technical challenges. What's in it for You: Competitive salary with bonus opportunities 25 days' annual leave plus public holidays Comprehensive private medical and dental cover from day one Pension contributions and life assurance Flexible and hybrid working arrangements to support your work-life balance Ready to take the next step in your career? Apply today and become part of a company that truly values innovation, impact, and growth. To speak in absolute confidence about this opportunity please contact Jess Ritchie, IT Recruitment Consultant at MCS Group or click the apply button below. 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 jobs or give us a call. All conversations will be treated in the strictest of confidence. 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: java kotlin c# python Benefits: Work From Home