Top Tech Jobs & Startup Jobs in Belfast

Leads and scales Rapid7’s technical support organization in Belfast. Responsibilities include managing support engineers and managers, developing career progression, driving process and tooling changes, improving operational metrics, resolving escalations, partnering with Engineering, Product, Customer Success, and Sales, and building consistent global support practices. The role emphasizes organizational change, customer outcomes, technical communication, accountability, and continuous improvement.

Supports the planning, development, and improvement of aerospace manufacturing processes, tools, technologies, and production systems. Responsibilities include continuous improvement, waste reduction, automation and digital manufacturing initiatives, industrialisation of new products, production problem-solving, data analysis, and cross-functional collaboration with engineering, quality, operations, supply chain, and production teams.

Student placement software engineering role developing Magnite’s advertising platform. Responsibilities include software development, quality assurance, test automation, deployment, and solving complex technical problems with experienced engineering teams. The role provides mentorship and exposure to a broad technology stack, including Java, Rust, Scala, JavaScript, Python, C++, SQL, Cassandra, Druid, Hadoop, and Kafka.

Processes and reconciles daily purchase and sale transactions across equities, fixed income, and derivatives. Reviews trade exceptions, discrepancies, settlement issues, and posting errors; coordinates with internal teams, counterparties, and clients to resolve inquiries. Maintains regulatory and SLA compliance, performs supervisory oversight, provides operational metrics, and recommends process improvements.

As a Senior Site Reliability Engineer, you'll build resilient platforms, automate processes, mentor teams, and drive changes in a cloud-based environment.

Lead development and enhancement of Citi's trade cost analytics platform. Design trade and cost analytics, reconciliation processes, and fee calculations. Partner with front/middle office, operations, and technology to gather requirements, translate business needs into SDLC deliverables, and deliver reporting and platform improvements to increase transparency and accuracy.

Designs and manages CI/CD pipelines, containerized platforms, cloud infrastructure, and observability solutions. The role uses Kubernetes, OpenShift, Helm, and monitoring tools to deliver reliable production systems. Responsibilities include evaluating technical problems, enforcing software delivery security, collaborating with stakeholders, and mentoring engineers. Required experience includes DevOps or software engineering, Linux administration, shell scripting, project delivery, and a relevant degree or equivalent experience. AWS, APM, and SLO/SLI experience are beneficial.

Develop and maintain Java/J2EE microservices using Spring Boot, RESTful services, SQL, and modern software engineering practices. Build reliable applications, optimize queries, contribute to CI/CD pipelines, manage source code, enforce code quality, and implement comprehensive testing. Analyze complex technical problems and collaborate with application development teams in a financial services environment.

Lead the design, development, delivery, and operational support of Java-based compliance and supervision technology for global markets. Guide engineering teams, establish development and quality standards, oversee enterprise distributed systems, and deliver API-first, event-driven, microservices, and cloud-native solutions. Partner with compliance, risk, data, architecture, security, vendors, and business stakeholders to meet regulatory obligations, strengthen controls, and ensure scalable, secure, resilient, auditable systems.

Ten-week technology internship supporting TD Securities through software engineering, data platforms, analytics, automation, and applied AI work. Interns will design, build, test, debug, deploy, and improve applications and services while collaborating with engineers, data specialists, product partners, and business teams globally. The role provides structured technical training, mentoring, and exposure to technology challenges in financial markets.

Develop and support Java-based compliance and supervision technology for global markets. Design scalable, secure, resilient APIs, event-driven microservices, and cloud-native solutions integrating vendor platforms and enterprise systems. Collaborate with Compliance, Risk, Data, Architecture, Security, and business stakeholders. Embed auditability, monitoring, entitlement controls, and regulatory evidence into systems while supporting Agile delivery, audits, remediation, and operational needs.

Leads functional product design projects for ostomy and respiratory medical devices. Responsibilities include translating user needs into requirements, developing concepts, prototyping, laboratory testing, CAD design, technical documentation, project planning, risk assessment, and regulatory compliance. The role requires collaboration with internal teams, external consultancies, and academic institutions to deliver commercially viable products within quality and operational requirements.

Leads functional product design projects for medical device portfolios, translating user needs into requirements, concepts, prototypes, tested designs, and technical documentation. Uses 2D and 3D CAD, surface modeling, laboratory testing, and manufacturing methods. Manages project activities, budgets, and resources while maintaining quality and medical device regulatory compliance. Collaborates with product teams, consultancies, and academic partners.

Provides first- and second-line deskside, remote, and back-office IT support across international sites. Responsibilities include resolving hardware, software, network, Microsoft 365, and connectivity incidents; supporting Windows, macOS, devices, servers, and enterprise applications; managing user accounts, onboarding, patching, security controls, and asset documentation; delivering user training; maintaining knowledge articles; and contributing to IT improvements, deployments, and projects.

Conduct investor customer due diligence reviews across simplified, standard, and high-risk structures. Assess ownership charts, identify ultimate beneficial owners, verify documentation, support screening, maintain CDD records, and escalate risks. Collaborate with Compliance, Fund Administration, FATCA/CRS specialists, management, and directors to ensure AML/CFT and cross-border regulatory compliance. Provide team guidance and deputize for the CDD Manager when required.

Design and lead test architectures and strategies for complex aerospace and defence systems. Translate customer and system requirements into scalable test solutions, integrate hardware and software, ensure compliance with MOD standards, and support verification, qualification, and in-service activities. Provide technical leadership, stakeholder engagement, bid support, mentoring, and innovation through automation, digital twins, and model-based testing.