MCS Group is delighted to be partnering with a leading global technology firm building a cutting-edge engineering hub in Belfast, focused on delivering innovative software solutions used worldwide. As part of an exciting growth phase, the Belfast office is seeking experienced Senior React Engineers to help design and develop next-generation web applications that drive critical business outcomes.Location: Belfast (Hybrid) | Type: Full-Time | PermanentWhat you'll doDevelop, enhance, and maintain high-quality, scalable frontend applications using React, Typescript, and modern web technologiesCollaborate closely with UX designers, backend engineers, and product teams to deliver seamless user experiencesParticipate in architectural discussions and contribute to continuous integration and deployment (CI/CD) pipelinesMentor junior developers, conduct code reviews, and promote best practices in frontend engineeringExperiment with new frameworks and tools to continuously improve development workflows and product qualityWhat we're looking forProven hands-on experience building complex applications with React and TypescriptStrong understanding of frontend technologies including CSS, HTML5, and responsive designExperience working in Agile teams and collaborative environmentsKnowledge of cloud platforms is advantageousDegree or equivalent experience in Computer Science or related fieldFinancial services experience is beneficial but not essentialWhy this opportunity is differentMeaningful impact: Work on mission-critical software that powers global business operationsModern engineering practices: Agile development, CI/CD, cloud-first strategy, and cross-functional teamsCareer development: Clear progression paths into technical leadership, architecture, or product rolesStability and scale: Operate within a fast-growing tech hub backed by a global industry leaderStrategic focus: Join a team central to delivering innovative software solutions at scaleWhat to expect working hereHybrid working model, with 3 days onsite in BelfastCompetitive salary with performance bonusPrivate healthcare and pension benefitsAccess to training, mentorship, and professional development resourcesCollaborative and inclusive culture with a focus on innovation and employee wellbeing) To speak in absolute confidence about this opportunity, please send an up to date CV via the link provided or contact Matthew Rainey atEven 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 www.mcsgroup.jobsMCS 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.Not all agencies are the same…MCS Group are passionate about providing a first-class service to all our customers and have an independent review rating of 4.9 stars on Google.