Top Tech Jobs & Startup Jobs in Belfast

Leads and scales Rapid7’s technical support organization in Belfast. Responsibilities include managing support engineers and managers, developing career progression, driving process and tooling changes, improving operational metrics, resolving escalations, partnering with Engineering, Product, Customer Success, and Sales, and building consistent global support practices. The role emphasizes organizational change, customer outcomes, technical communication, accountability, and continuous improvement.

Build and operate the governance, risk, and compliance program across SOC 2, NIST CSF, ISO 27001, and related frameworks. Manage audits, control libraries, risk registers, policies, vendor assessments, due diligence, and compliance monitoring. Configure automated evidence collection through APIs, query compliance data using SQL, validate control effectiveness, coordinate remediation, and report risk posture to leadership. Partner with auditors, security, engineering, business teams, customers, and prospects while automating manual GRC workflows.

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.

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

Own growth across Repeat Phones and Digital Lending, then transition into Lifecycle marketing. Build and optimize multi-channel campaigns in CleverTap, analyze funnels and cohorts, run structured experiments, improve conversion and ROI, document successful playbooks, and maintain reliable campaign data. The role requires leadership across multiple growth pods and collaboration with teams in African markets.

Own derivatives documentation and collateral data workflows within Master Agreement Central. Analyze contractual terms and collateral schedules, resolve data issues and margin breaches, coordinate cross-functional initiatives, support audits, and contribute to platform strategy, development, and workload planning across Markets, operations, risk, technology, and onboarding teams.

Leads production readiness, operational resilience, recovery planning, incident response, and governance for futures clearing data and reporting applications. Oversees major recovery initiatives, testing, automation, failover modernization, regulatory and audit issue resolution, and production risk management. Coordinates technology and business stakeholders during critical incidents and ensures business-critical financial, regulatory, and client reporting services remain recoverable and stable.

The Client Onboarding Analyst coordinates client requests and ensures accurate processing of account setups and maintenance while adhering to banking regulations.

Sell Yell’s AI-powered digital marketing and advertising solutions to SMEs through cold and warm outreach. Responsibilities include identifying opportunities, closing and onboarding clients, managing campaigns, monitoring performance, delivering reports, and recommending data-driven optimizations. The role requires strong sales, communication, organization, resilience, customer management, and digital marketing skills. It is office-based in Belfast with weekday working hours and uncapped commission.

Develop and maintain Tether’s peer-to-peer stack and modular ecosystem of more than 1,500 public npm modules. Build production-scale Node.js applications, create reusable packages, write maintainable code, and perform testing and debugging. The role also involves expanding distributed systems and networking capabilities while collaborating effectively in a remote, globally distributed team. Experience with native Node.js extensions, network optimization, advanced networking, and open-source P2P or decentralized technology is preferred.

Create and manage digital communications, social media campaigns, website and internal content, employer branding, events, award submissions, and stakeholder communications. Monitor campaign performance, analyze engagement, coordinate branded materials, and support media monitoring. The role works closely with project teams to showcase construction projects, people, and community initiatives across UK and Ireland.