Top Tech Jobs & Startup Jobs in Belfast

Engineer automated container security solutions, harden internal platforms, improve container image scanning and the secure development lifecycle, and operate enterprise-scale security tools. The role involves architecture, implementation, reliability, scaling, and cross-functional collaboration with platform, DevOps, engineering, operations, and developer teams. Candidates need expertise in Python or Java, Kubernetes and container technologies, DevOps, CI/CD, agile practices, and enterprise software delivery.

Analyze and validate counterparty credit exposure and Loans Stress Loss data, investigate anomalies, identify root causes, and improve risk reporting systems and processes. Partner with Risk, Technology, underwriters, and business stakeholders to gather requirements, document solutions, coordinate user acceptance testing, and resolve data, collateral, trade, and model issues. Ensure risk decisions comply with regulations and Citi standards.

Support enterprise data governance and data risk initiatives by monitoring issues, ownership, corrective actions, controls, metrics, and reporting. Coordinate with business, technology, risk, legal entity, regulatory, and regional stakeholders. Contribute to governance strategy, risk taxonomy, control framework design, policy development, self-assessments, and communication of progress and risks to senior forums and regulators.

Plans, executes, and reports risk-based control testing across global Markets trading and sales businesses. Supervises and coaches testing professionals, monitors programme delivery, assesses control design and effectiveness, challenges stakeholders, supports remediation, manages senior relationships, and presents testing results. Provides subject matter expertise on Markets operational and compliance risks across the three lines of defence.

Participate in Citi’s 10-week Chief Operating Office summer analyst program, including training, mentorship, enterprise transformation, controls, and central operations work. Support senior COO professionals and business teams on risk- and controls-focused projects. Apply analytical, problem-solving, teamwork, storytelling, leadership, and project management skills while building a pipeline toward a full-time analyst career.

Lead end-to-end product design for enterprise platforms serving over 200,000 users. Responsibilities include user research, usability testing, wireframing, prototyping in Figma, stakeholder collaboration, design workshops, usability measurement, and iterative product improvement. The role translates complex user, business, and technical requirements into intuitive experiences while maintaining design quality and standards across engineering teams.

Build and deploy production-grade AI applications for Citi’s global lending platform. Implement MCP tools and AI agent frameworks, apply LLMs to business problems, integrate REST APIs and databases, write Python and SQL, participate in Scrum ceremonies and code reviews, and contribute to technical standards. The role requires independent problem-solving, collaboration, and delivery of reliable software in an enterprise financial environment.

Develop and support a full-stack reconciliation platform using Java, Angular, NoSQL, and Oracle. Responsibilities include designing features, analyzing code, consulting with users and technology teams, debugging vulnerabilities, implementing enhancements, assessing technical risks, and coaching junior developers. The role requires 2–5 years of software development experience, strong problem-solving skills, and the ability to work effectively under shifting priorities in a hybrid environment.

Build and deploy enterprise-scale public cloud solutions, including container fleet management services. Develop full-stack applications, automate cloud service consumption, collaborate across technology teams, and help establish service availability and reliability measures. The role requires hands-on AWS and GCP expertise, programming in Python, Java, or Go, AI/ML familiarity, CI/CD, testing, distributed messaging, databases, and modern software architecture practices.

Provides operational client support for equity swaps within Citi’s Prime Finance Middle Office. Manages trade capture, allocation, lifecycle processing, exceptions, reconciliations, settlement queries, fails, and operational risk. Coordinates with clients, sales, trading, technology partners, and internal operations teams while resolving issues, improving workflows, reducing manual touchpoints, and supporting projects and process enhancements.