Top Tech Jobs & Startup Jobs in Belfast

Serve as a senior business partner to leadership, driving internal communications, people strategy, employee engagement, and cost/productivity initiatives. Manage financial deliverables (forecasts, investment process, reporting), track headcount and resources, support governance and compliance, and lead ad hoc projects to improve operational efficiency.

Senior Business Unit Group Manager leads international business execution and enablement, overseeing finance, headcount and resource planning, governance, compliance, stakeholder communication, cost optimization, and delivery of dashboards, reports and special projects to support senior leadership and drive operational efficiency.

Lead design, development, and optimization of high-performance ETL pipelines using Ab Initio for Oracle ledger processing. Collaborate with business and cross-functional teams, drive SDLC within Agile, perform SQL-based data investigations, build automation utilities, monitor/resolve production issues, and manage testing and deployments.

Develop and maintain enterprise-scale Python applications for Wholesale Credit Risk. Collaborate with onshore/offshore teams to design, implement, and support systems using FastAPI, LLMs/MCP/RAG, CI/CD, and Kubernetes. Troubleshoot production issues and communicate progress to project leads.

Support financial planning and execution for Production Support: manage budgeting, quarterly outlooks, headcount and investment requests, perform month-end close and variance analysis, maintain Project Tracking System data, ensure compliance, and provide senior-management reporting and process standardization across stakeholders.

The Client Onboarding Analyst coordinates client requests and ensures accurate processing of account setups and maintenance while adhering to banking regulations.

As a Senior Software Engineer, you will develop and maintain the equity derivatives reference data platform, ensuring data quality and governance while mentoring junior developers.

Citi seeks a Senior Software Engineer (Java) to design and develop complex, high-performance systems for fixed income trade processing, utilizing Java and Spring technologies.

Senior full‑stack engineer responsible for designing and delivering scalable, cloud‑native applications using Java or Python. Solve complex business problems, set coding standards, mentor mid‑level developers, integrate Gen‑AI capabilities (LLMs, prompt engineering, vector search) and third‑party Gen‑AI APIs, and collaborate with management to deploy new products while ensuring compliance and risk controls.

Support governance, compliance, and reporting for Marketing and Content: manage documentation and trackers, coordinate audits, monitor remediation and regulatory commitments, produce monthly governance reports, validate data accuracy, and escalate control issues to protect the organization.