Top Tech Jobs & Startup Jobs in Belfast

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.

Processes global sales orders, captures contract data, reviews quotes, fulfills software subscriptions, and resolves transactional issues. Partners with Sales, Legal, IT, Commissions, Accounting, and Accounts Receivable to remove bottlenecks and ensure accurate bookings. Supports customer inquiries, system and SKU testing, and cross-functional operational improvements that enhance scalability and proposal-to-cash efficiency.

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

Supports access provisioning, deprovisioning, access reviews, hardware inventory, equipment lifecycle management, helpdesk operations, and foundational security tasks. The role assists with endpoint protection, MDM policies, patch tracking, MFA checks, security alerts, audits, documentation, and incident response while supporting Windows, macOS, cloud platforms, and SaaS applications.

Leads the design, automation, deployment, monitoring, and production support of scalable, secure, resilient digital service platforms. Collaborates across engineering, testing, consulting, product, and security teams; contributes to architecture and technical decisions; implements Continuous Delivery; troubleshoots complex systems; and mentors junior engineers. The role requires cloud, infrastructure provisioning, configuration management, container orchestration, version control, and active security clearance experience.

Technical leader responsible for test strategy, design and implementation of automated, manual, and non-functional tests. Ensures test coverage across application layers, configures CI tooling, mentors and manages a small team, liaises with customers and stakeholders, and drives quality throughout agile delivery.

Manage and market-make an equity derivatives trading book, providing liquidity, pricing products, recycling risk, and generating revenue. Analyze market structure, manage financial and non-financial risks, and collaborate with sales, clients, structuring, research, and trading teams. The role also focuses on expanding franchise market share, improving business opportunities, and applying AI tools responsibly to optimize workflows and solve business problems.

Manages an enterprise technical support team serving large customers during a 1pm–10pm shift. Responsibilities include hiring and developing support staff, overseeing ticket prioritization and resolution, managing escalations, coordinating with engineering and product teams, analyzing support metrics, improving processes, and maintaining reporting and tracking infrastructure to deliver exceptional customer service.

Monitors and maintains global servers and network devices in a 24x7 NOC environment. Manages incidents, troubleshoots Linux, networking, hardware, and operating system issues, and supports production availability and uptime. The role documents major incidents, improves runbooks and operational processes, coordinates with senior engineers, monitors production systems, and contributes to continuous service improvement using AI and monitoring tools.

Provide technical support to enterprise customers and partners for Proofpoint cybersecurity products during a 1 p.m. to 10 p.m. shift. Troubleshoot complex software, email, networking, and configuration issues; manage escalations; advise customers; collaborate with tiered support teams; mentor associates; and contribute to knowledgebase documentation.

Leads and coordinates civil engineering design packages for major roads, public transport, rail, greenway, and active-travel programmes. Responsibilities include managing technical design teams, coordinating multidisciplinary inputs, meeting quality, schedule, and budget requirements, supporting statutory approvals, engaging clients and stakeholders, mentoring engineers, and contributing to commercial management and work-winning. The role also offers a pathway toward certified project management and NEC accreditation.

Lead civil engineering design packages for major roads, rail, light rail, bus infrastructure, and greenway projects from concept through construction. Apply UK and Irish transport design standards, deliver work within quality, schedule, and budget constraints, collaborate with multidisciplinary teams, advise clients and authorities on technical and statutory approvals, and mentor junior staff. The role supports progression toward Chartered Engineer status and includes design, project management, commercial, and site experience.

Lead DevOps modernization across global platforms by designing adoption strategies, engineering CI/CD automation, integrating testing, improving observability and production resiliency, and supporting cloud and on-premises application teams. The role provides hands-on technical leadership, drives containerization and serverless adoption, engages vendors, and promotes measurable productivity and delivery improvements through DevOps, SRE, Agile, and Lean practices.