Top Tech Jobs & Startup Jobs in Belfast

Manage end-to-end payroll operations across multiple countries, ensuring accurate, timely, and compliant processing. Audit payroll inputs, resolve discrepancies, prepare reports, support financial reporting and month-end close, initiate payroll funding payments, maintain procedures and controls, and assist with year-end tax reporting. The role requires collaboration with Finance, Tax, Benefits, People Strategy, employees, and external payroll providers, along with fluency in English and Czech.

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.

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.

Develops business for a local depot by calling trade customers, building relationships, identifying sales opportunities, arranging appointments, promoting products, and maintaining customer pipelines. The role supports Kitchen Sales Designers and Territory Sales Representatives, manages targeted call activity, reactivates inactive accounts, tracks customer projects, assists with invoicing and depot administration, and contributes to team sales targets and customer service.

Provides market conduct risk advisory, evaluates control effectiveness, oversees control enhancements, performs root cause and issue remediation analysis, reviews monitoring alerts, and manages conduct training across the firm.

Manages credit risk for complex Wealth Management lending portfolios, including structured loans, margin lending, commercial real estate loans, and illiquid collateral. Responsibilities include transaction structuring, credit analysis, DCF and comparable-company valuation, risk mitigation, covenant and limit monitoring, audit support, documentation review, and credit approval recommendations. Partners with front-office teams and communicates risk decisions to senior stakeholders while maintaining accurate risk systems and portfolio quality.

Provides administrative support to operations by maintaining employee time, attendance, payroll, holiday, absence, and training records. Responsibilities include data entry, payroll verification, onboarding administration, document control, work order and drawing printing, training coordination, filing, reporting, and confidential information management. The role requires strong Microsoft Office skills, numerical accuracy, organization, communication, and discretion in a busy office environment.

Sells Yell’s AI-powered digital marketing and advertising solutions to prospective and existing SME customers. Responsibilities include cold and warm outreach, needs assessment, solution recommendation, closing, client onboarding, campaign management, performance reporting, ROI optimization, and account growth. The role requires strong communication, sales ability, resilience, organization, multitasking, and digital marketing awareness. It is office-based in Belfast with weekday working hours and uncapped commission.

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.