Top Tech Jobs & Startup Jobs in Belfast

Coordinates Professional Services operations across the UK and Ireland, maintaining project portfolios, forecasts, billing, revenue, utilization, capacity, margins, backlog, dashboards, and KPI reporting. Supports Sales-to-Services handoffs, PMO governance, risk escalation, leadership reporting, and cross-functional collaboration with project management, sales, finance, billing, and resource teams. The role also improves processes, data quality, and reporting efficiency.

Defines Rapid7’s technical vision and architecture for LLM and agentic AI systems across security products. Leads model strategy, fine-tuning, post-training, inference optimization, evaluation standards, and high-risk initiatives. Builds critical training and inference code, resolves complex technical trade-offs, mentors senior engineers, and influences product and platform strategy. The role requires deep expertise in transformer-based models, PyTorch, distributed training, context engineering, model evaluation, scalable inference, classical ML, and production AI systems.

Monitors and triages alerts, conducts open-source research, identifies online threats and exposed personal information, coordinates PII removal, documents findings, and prepares risk assessment reports. The role also involves social media monitoring, client updates, escalation of complex issues, and applying cybersecurity, privacy, and intelligence principles while working onsite with the Belfast intelligence team.

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.

Own the product strategy and roadmap for Apex’s API gateway and observability platforms. Define capabilities such as traffic management, rate limiting, logging, metrics, traces, alerting, dashboards, and reporting. Partner with engineering teams to prioritize work, manage technical and commercial tradeoffs, define measurable outcomes, write requirements and strategy documents, maintain the Jira backlog, and communicate progress to technical and executive stakeholders.

Develop and maintain production software for large-scale, real-time advertising systems. Responsibilities include writing tested code, addressing features and bugs, supporting production services, collaborating across teams, and contributing to system architecture and design. The role emphasizes systems programming, scalability, low-latency performance, concurrency, memory management, and reliable enterprise server applications, with opportunities to develop production Rust skills.

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

Owns and executes Kainos’s EMEA financial services sales strategy, including pipeline development, enterprise account planning, complex pursuit leadership, executive relationship management, Workday positioning, partner development, forecasting, and market presence. The role requires consultative selling to senior financial and technology stakeholders, coordination across international matrixed teams, and expertise in financial services transformation, Workday solutions, commercial negotiation, and regulatory environments.

Leads security engineering and testing across platforms and services, setting testing methodologies, scopes, tools, and reporting standards. Performs penetration testing, source-code security assessments, threat modeling, and cloud and web application security reviews. Partners with agile teams to embed continuous security practices, mentors junior engineers, manages team performance, and communicates security risks to technical and nontechnical audiences.

Leads product delivery across multidisciplinary agile teams, owning the end-to-end backlog, product quality, roadmap, prioritization, and stakeholder alignment. Manages business analysts and product consultants, shapes delivery approaches, supports commercial negotiations, and coaches teams and clients in product and agile practices. Requires UK central government experience, client-facing consulting experience, strong commercial awareness, and the ability to manage scope, stakeholders, and product teams.

Provides administrative support to Financial Planners, maintains client relationships and records, prepares meeting packs and valuations, and liaises with operational teams on transfers, scripts, corporate actions, and static data updates. The role requires wealth management experience, knowledge of financial products, strong client service and communication skills, and excellent workload organization. It begins fully in-office during probation before transitioning to a hybrid schedule.

Serves as senior regulatory counsel for Citi’s wholesale markets and trading businesses across the UK, EU, and other jurisdictions. Advises on MiFID II/MiFIR, EMIR, SFTR, Dodd-Frank, market abuse, transaction reporting, and regulatory reforms. Leads legal workstreams for regulatory transformation programs, supports product and corporate transactions, resolves compliance issues, and represents Citi before regulators. Partners with trading, operations, technology, compliance, and senior stakeholders to provide practical legal guidance.

Prepare risk analytics, visualizations, metrics, and reports for management, regulators, and senior stakeholders. Maintain BCBS 239 compliance documentation, automate risk data flows and controls, assess operational risk controls, and build analytical applications with risk, business, and technology teams. The role also requires stakeholder communication, governance support, project coordination, and subject matter expertise in risk reporting and data quality.

Leads Citi Internal Audit methodology, training, communications, governance, and improvement initiatives. Manages teams and complex projects, develops audit learning resources, advises senior stakeholders, remediates methodology issues, and partners with risk and control functions. The role requires strong audit, risk, compliance, communication, analytical, project management, and influencing skills, with knowledge of IIA standards preferred.