Top Tech Jobs & Startup Jobs in Belfast

Manage and mentor Product Managers while guiding platform strategy, prioritization, and lifecycle execution. Lead collaboration across Product, Engineering, UX, customers, and partners to define requirements, roadmap decisions, launches, and enhancements. Use market research, customer feedback, utilization metrics, competitive positioning, and AI to drive product outcomes for Rapid7’s cybersecurity platform.

Graduate engineers will contribute to aerospace projects at Short Brothers in Belfast across design, research and technology, materials and processes, stress analysis, and test and technical systems engineering. The role involves collaboration with experienced engineers, development of aerospace technologies, and professional growth through coaching and mentoring. Applicants need a relevant accredited engineering degree, a strong interest in aerospace, communication skills, and the ability to work full-time on-site in Belfast.

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.

Design and deploy production LLM-backed agentic systems for financial-services clients. Build tool-using agents, MCP servers, retrieval and multi-agent orchestration, evaluations, and guardrails across cloud and locally hosted models. Translate client problems into maintainable proofs of concept, explain technical decisions to varied audiences, and create reusable accelerators. Collaborate directly with client engineers and stakeholders while applying strong software engineering, communication, and independent problem-solving skills.

Develop and maintain high-quality Java and AWS software applications. Design, build, test, and troubleshoot scalable, secure, high-performance systems across multiple application layers. Contribute to architecture, technical decisions, estimation, product planning, and requirements creation. Mentor junior engineers and collaborate with technical and non-technical stakeholders. Experience with CI/CD, cloud platforms, data storage, and Java BPMN implementations is valuable.

Develop and maintain Workday enterprise document management integrations for global customers. Work includes integration development, product upgrades, tenant deployments, testing, and sprint-based engineering. The role uses Workday Studio and Orchestrate and requires foundational XML, XPath, XSLT, Java, cloud, web services, API, authentication, and data transformation knowledge. The associate engineer will work under experienced consultants while developing technical expertise, maintaining quality, and supporting production customer environments.

Develops and executes automated and manual functional tests within an Agile team. The role uses Java, Playwright, API testing tools, test frameworks, and CI/CD systems to validate application quality. Responsibilities include regression testing, defect tracking, test planning, reporting, cross-browser validation, sprint participation, and maintaining test frameworks and environments.

Provides administrative support to financial planners, maintains client records and back-office systems, prepares meeting packs and valuations, coordinates with operational teams, and builds strong client relationships. The role requires financial planning or wealth management experience, knowledge of financial products, excellent communication and organizational skills, and a strong commitment to client service. It is based in Belfast, initially fully office-based during probation, followed by a hybrid schedule.

Lead audit engagements for diverse clients, preparing and reviewing working papers, accounts, and statutory financial statements. Design audit plans, manage budgets and deadlines, apply IFRS, UK GAAP, and auditing standards, and maintain client relationships. Coach and mentor trainees and junior team members while contributing to the growth of the Corporate Audit team.

Build and maintain full-stack applications for Citi’s securities settlements platform. Responsibilities include developing Java and Spring Boot microservices, Angular or React interfaces, Oracle database solutions, containerized deployments, CI/CD pipelines, secure coding, system design, SDLC governance, risk management, code reviews, and mentoring junior engineers. The role collaborates with technology and business leaders across North America and EMEA.

Supports Citi’s Legal Function by reviewing, drafting, negotiating, and executing complex contracts and transaction documentation. Advises business teams, clients, Risk, and internal stakeholders on contractual terms, legal implications, regulatory requirements, and documentation risks. Maintains negotiation records, manages deadlines, escalates issues to attorneys, and collaborates with counsel and institutional clients. The role requires strong financial-services knowledge, legal documentation expertise, communication, organization, and project management skills.

Senior Business Analyst supporting FXLM Operations and Regulatory Technology projects. Responsibilities include gathering requirements, documenting business and functional specifications, analyzing processes and data, managing requirements traceability, designing workflows, and coordinating with developers, testers, business stakeholders, and PMO teams. The role supports enhancements, defect resolution, trade processing, risk management, settlements, payments, accounting, and regulatory reporting applications across FX, fixed income, money markets, and derivatives.