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.

Provides professional front-of-house reception for a law firm client suite. Responsibilities include welcoming visitors, overseeing office access, managing meeting room bookings, setting up event spaces, completing health and safety checks, recording incidents, supporting food and beverage services, and assisting with emergency procedures. The role requires strong customer service, administrative ability, calm judgment, Microsoft Office proficiency, and awareness of workplace security.

Leads a team of two to four analysts delivering trusted foreign exchange financial and risk datasets, controls, management information, and Tableau dashboards. Translates stakeholder needs into data platform requirements, oversees data quality, testing, lineage, access, and documentation, and leads legacy modernization and migrations. Remains hands-on with SQL and Python delivery, releases, incident investigation, performance tuning, code review, and AI-assisted workflows.

Develop and own core C++ and Python platform functionality for Kannon, building shared valuation, risk, P&L and controls infrastructure. Optimize performance, strengthen C++/Python interfaces, collaborate with quants and trading stakeholders, and support CI/CD, automated testing and reproducible builds across Linux.

Drives sales growth across offshore oil and gas, tanker, and bulk carrier markets. Identifies opportunities, manages client relationships and key accounts, develops bids and proposals, negotiates contracts, and achieves revenue and margin targets. Collaborates with estimating, engineering, operations, and leadership teams to deliver tailored solutions. Monitors market and competitor activity, identifies cross-selling opportunities, prepares forecasts and reports, and supports risk assessment and contract finalization.

Supports naval architecture and ship design for new-build, repair, conversion, and modernisation projects. Responsibilities include stability, hydrostatics, weight and centre-of-gravity calculations, hydrodynamic assessments, hull and structural design, technical documentation, CAD modelling, design reviews, regulatory compliance, and vessel inspections. The role includes mentoring, project experience, and development toward Chartered Engineer status.

Design and develop new vegetation and tree care equipment, modify existing products, and ensure safety, reliability, performance, and compliance. Apply QFD, FMEA, design-for-manufacture, prototyping, and field testing standards. Collaborate with production, purchasing, suppliers, aftersales, and helpdesk teams to reduce costs, resolve customer complaints, answer technical queries, and evaluate emerging component and competitor design trends.

Lead strategic communications for Citi’s Engineering Excellence department, including editorial planning, technical content creation, newsletter management, SharePoint repositories, stakeholder engagement, process improvement, and engagement analytics. Translate complex technology concepts into accessible content that improves developer productivity and tool adoption. Manage global communications, influence senior stakeholders, navigate organizational change, and ensure communications comply with relevant policies and regulations.

Lead product design and scalable design-system development for enterprise financial products. Build Figma components, tokens, variables, Boolean logic, documentation, and developer handoff artifacts. Collaborate with product, engineering, research, and QA to deliver accessible, production-ready experiences, review implementations, prevent design drift, and improve design workflows using AI-powered tools. Participate in critiques and maintain high standards for usability, consistency, and visual precision.

Develop complex Java and Spring Boot applications, RESTful microservices, SQL solutions, and automated tests. Apply software engineering principles, CI/CD, source control, and code quality practices while solving complex technical problems. Lead, mentor, and manage application developers. Preferred experience includes big data, cloud-native development, container orchestration, and Jira.

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.

As a Lead Platform Engineer at Kainos, you'll lead teams to design and manage digital service platforms, mentor colleagues, and ensure successful project outcomes using modern technologies.

As a Senior Platform Engineer, you'll design and support digital service platforms, ensuring quality, scalability, and security while collaborating with teams to improve services.

Process sales and sample orders, liaise with logistics, sales and customers, handle customer queries and reporting, manage daily loading sheets and credit note documentation. Also perform front-of-house duties: reception, hospitality, meeting setup, office upkeep and event organization while supporting administrative tasks across the business.