Top Tech Jobs & Startup Jobs in Belfast

Develop scalable software in an agile environment based on business requirements. Write, test, debug, and review code; support testing cycles and post-production deployments; and collaborate with global teams. Analysts receive structured technical training, mentoring, networking, and exposure to backend, frontend, mobile, generative AI, automation, and data analytics technologies while contributing to technology projects in financial services.

Provides frontline production and application support for Citi’s Prime Finance systems, including Prime Brokerage and Securities Lending applications. Responsibilities include resolving business and user issues, managing tickets, maintaining monitoring solutions, onboarding systems, improving platform stability, supporting change management, and developing proactive resilience solutions. The role requires collaboration with global technology, development, and business teams, plus expertise in Linux, SQL, databases, messaging technologies, scheduling, monitoring, and financial services applications.

Coordinates end-to-end client onboarding activities, including account and system setup requests, documentation processing, client and internal communications, records archiving, regulatory adherence, and procedure updates. Ensures client instructions are processed accurately and on time while collaborating with internal control groups and global stakeholders. The role requires attention to detail, banking knowledge, strong communication, and the ability to meet deadlines in a fast-paced environment.

Own derivatives documentation and collateral data workflows within Master Agreement Central. Analyze contractual terms, resolve data issues and margin breaches, validate collateral schedules, support audits, and coordinate cross-functional technology and product initiatives. Contribute to MAC strategy, platform maintenance, workload planning, and stakeholder communications across margin operations, risk, technology, and client onboarding.

Manage and modernize hybrid database infrastructure supporting Citi’s finance applications. Responsibilities include migrating Oracle, MongoDB, and Big Data systems to AWS, Google Cloud Platform, and Snowflake; implementing AI-driven monitoring, performance tuning, and self-healing; managing high availability, disaster recovery, security, and compliance; and automating database administration through Python, Terraform, Ansible, and shell scripting across on-premises, OpenShift, and cloud environments.

Leads data quality programs by assessing and analyzing data, establishing measurement controls and guidelines, producing dashboards and reports, and coordinating issue remediation. Drives data improvement initiatives, manages data quality risks, reviews analysis results, and reports issues through governance processes. Partners cross-functionally to understand data challenges, balance stakeholder needs, optimize reporting, and support senior management’s strategic vision.

Lead development of enterprise Java applications, microservices, REST services, and event-driven systems using Kafka. Design scalable solutions, optimize SQL, implement testing and CI/CD practices, maintain code quality, and solve complex technical problems. Mentor and manage application developers while collaborating with technology and product teams on cloud-native systems and container orchestration.

Leads complex technology programs supporting software currency, vulnerability remediation, and CIO governance. Responsibilities include managing multiple projects across time zones, defining scope and schedules, coordinating stakeholders, establishing PMO practices, tracking metrics, resolving interdependent issues, managing budgets, and facilitating Agile ceremonies. The role requires senior program management expertise, strong communication, negotiation, influencing, analytical, leadership, and stakeholder management skills.

Develop and maintain Java-based microservices using Spring Boot, RESTful services, SQL, and enterprise software engineering practices. Build scalable solutions, optimize queries, contribute to CI/CD pipelines, manage source code, uphold code quality, and implement comprehensive testing. Collaborate with application developers to solve complex technical problems and deliver reliable corporate action event platforms.

Conduct penetration tests, vulnerability assessments, and red-team evaluations of web applications, APIs, mobile applications, AI systems, and agentic platforms. Design tests for prompt injection, retrieval poisoning, tool misuse, data extraction, and unsafe delegation. Build AI-assisted security testing tools and workflows, triage findings, communicate risks, and embed security into development. Help define AI security architecture, evaluation frameworks, runtime controls, and detection playbooks across a large financial institution.