Top Tech Jobs & Startup Jobs in Belfast

Own the Investor Communications and documents product within the Ascend Platform, including statements, trade confirmations, tax documents, and shareholder materials. Manage requirements, backlog prioritization, delivery, success metrics, incident resolution, and client migrations. Use Claude and other AI-assisted tools for requirements synthesis, prototyping, MVP development, and operational automation. Collaborate with Engineering, Compliance, Operations, vendors, clients, and other product teams while analyzing delivery data with SQL.

Lead and scale monthly close and consolidation across international subsidiaries, ensure US GAAP and SOX compliance, manage statutory filings and audits, evaluate complex technical accounting, design global internal controls, drive automation and process improvements, and lead and develop a high-performing accounting team.

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

Reviews trade and electronic communications surveillance alerts to identify market abuse, conflicts of interest, and other misconduct. Investigates and escalates potentially suspicious activity, interprets trader terminology, researches regulatory developments, and recommends enhancements to surveillance controls and compliance processes. Works with front-office staff, clients, subject matter experts, and product stakeholders to improve an AI-based compliance platform across multiple markets.

Build functional peer-to-peer applications and infrastructure with Pear and Bare, then create polished screen-share demos, code-along videos, guides, and interactive repositories. Translate cryptography, protocols, and distributed systems into accessible developer content. Collaborate with core engineering teams, technical influencers, and developer advocates to prototype applications and accelerate adoption of Tether’s decentralized technology ecosystem.

Develop and maintain high-quality C#/.NET applications across multiple layers. Apply secure, scalable, and performant development practices; contribute to architecture, estimation, product planning, and requirements. Mentor junior engineers, collaborate on technical decisions, troubleshoot live applications, and support continuous integration and delivery. Communicate effectively with technical and non-technical stakeholders while balancing user needs and commercial constraints.

Leads strategic public-sector bids and high-value pursuits, developing value propositions, win themes, narratives, and compliant responses. Integrates technical, commercial, and delivery content while coordinating sales, delivery, technical, and commercial stakeholders. Shapes competitive solutions, facilitates storyboarding, manages subject-matter expert contributions, ensures bid quality, influences senior decision-makers, and coaches colleagues on bid best practices. Requires strong proposal writing, storytelling, stakeholder management, digital transformation knowledge, and UK public-sector procurement expertise.

Reviews, drafts, and negotiates complex financial services agreements, including ISDA, CSA, and Repo documents. Manages client deliverables, identifies risks, oversees contract review teams, trains negotiators, communicates with clients, and supports project execution. The role requires meticulous analysis, strong judgment, deadline management, and independent client-facing experience in a professional services environment.

Manage enterprise customer accounts to drive product adoption, retention, expansion, and measurable business value. Monitor account health, usage, data quality, compliance, and renewal risk; lead customer business reviews; develop success plans; provide proactive recommendations; and translate platform capabilities into operational outcomes. Partner cross-functionally with Sales, Customer Care, Professional Services, and Managed Services while advocating for customer needs.

Leads day-to-day HR support and employee lifecycle delivery for Citi client groups. Partners with managers, HR Advisors, Centers of Excellence, and regional HR teams to resolve employee relations issues, implement HR priorities, assess risks, and ensure consistent global and regional processes. Coordinates cross-company projects, supports organizational performance, and trains new team members. This is an 11-month maternity cover role with hybrid working in Belfast.

Lead a team developing and optimizing regulatory reporting systems and large-scale financial data pipelines. Responsibilities include hands-on Java and Spring Boot development, microservices and component design, Spark/Hadoop/Hive data processing, Kafka streaming, database optimization, automated testing, secure coding, regulatory onboarding, Agile execution, and technical communication with business, compliance, and technology stakeholders. The role also explores AI/ML automation and anomaly detection within reporting workflows.

Review, draft, and negotiate commodity and emissions trading master agreements (ISDA, EFET) and amendments; engage clients and counsel; advise business and risk on documentation and regulatory compliance; manage negotiations, escalate issues, and drive process improvement projects.

Develop new and existing customer accounts through proactive sales, understanding customer needs, preparing quotations, processing orders, and recommending suitable products. Collaborate with branch colleagues, account managers, and suppliers to support sales opportunities and branch targets. Maintain accurate stock and order records, deliver positive customer service, and follow health, safety, and company policies.

Lead sales strategy and a team of Business Development Executives across greater Belfast. Manage customer relationships, market development, sales pipelines, forecasting, negotiations, CRM data, reporting, and project handovers. Drive revenue, margin growth, conversion, customer satisfaction, and continuous improvement while collaborating with production, operations, marketing, and other departments.

Develops new and existing customer relationships, identifies sales opportunities, prepares quotations, negotiates solutions, maintains customer records, manages accounts within credit terms, and monitors market trends. The role combines field-based and office-based sales across building materials and timber products, requiring strong communication, customer service, IT, and construction-market knowledge.