Top Tech Jobs & Startup Jobs in Belfast

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.

Software engineering student placement developing and testing a complex advertising technology platform. The role provides hands-on experience in software development, quality assurance, automation, deployment, and modern programming technologies. Students collaborate with experienced engineers, contribute production code, solve technical problems, and receive mentorship and professional development. The position is hybrid in Belfast and restricted to current Ulster University STEM students participating in the 2027 placement program.

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.

Supports daily administration and execution of global Total Rewards and benefits programs. Responsibilities include employee inquiry support, benefits onboarding, vendor data transmissions, process documentation, communications, open enrollment assistance, invoice tracking, data checks, and compliance reporting. The role also supports identifying AI automation opportunities and requires attention to detail, confidentiality, adaptability, and proficiency with Google Workspace, Excel, or Workday.

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

Leads a small AI engineering team while designing, coding, testing, and deploying AI-driven features for financial crime detection. The role combines hands-on Go or Python development with technical leadership, architecture, model integration, distributed systems, cloud infrastructure, and scalability improvements. Responsibilities include mentoring engineers, shaping engineering standards, collaborating with Product, Architecture, and Data teams, supporting recruitment, and helping build a new AI-focused capability.

Facilitates Scrum ceremonies and Agile delivery across multiple software teams. Coaches teams on Agile practices, removes impediments, supports backlog refinement and prioritization, monitors sprint execution and delivery metrics, and promotes continuous improvement. Communicates project status, risks, dependencies, and milestones to programme leadership while coordinating cross-functional and distributed teams.

Engineering Interns contribute to software features across the full development lifecycle, including design, development, testing, deployment, monitoring, and improvement. They work with APIs, databases, streams, and queues while participating in stand-ups and peer-led teams. The role provides mentoring and hands-on experience with Signifyd’s technology stack. Candidates should be pursuing a bachelor’s degree in computer science or software engineering, show interest in software development and machine learning, and be curious, collaborative, and willing to learn.

Own Keet’s vision, strategy, roadmap, and growth toward one billion users. Lead technical product decisions for peer-to-peer messaging, voice, video, synchronization, mobile and desktop distribution. Partner with engineering and cross-functional teams to run delivery, releases, testing, and post-launch iteration. Build rapid AI-assisted prototypes, present strategy to executives and the board, manage dependencies, and maintain high standards for reliability, privacy, performance, and user experience.

Own Keet’s long-term vision, strategy, growth, and execution as a private peer-to-peer messaging and calling platform. Lead product and engineering teams, manage sprint delivery and cross-functional dependencies, guide P2P architecture decisions, oversee voice/video quality, rapidly prototype with AI tools, and manage mobile and desktop releases. Present strategy to executives and the board while driving the product toward one billion users.

Conduct Level 2 transaction monitoring investigations involving complex and high-risk financial activity, including international payments, correspondent banking, sanctions evasion, and politically exposed persons. Review transaction histories, customers, ownership structures, and external intelligence; document findings; draft SAR/STR narratives; escalate significant risks; identify typologies; and support regulatory compliance, quality, productivity, and process improvement across client projects.

Design, build, debug, and maintain high-performance C++ microservices for distributed embedded systems in Linux environments. Define APIs and deployment strategies, optimize reliability and performance, contribute to CI/CD and automated testing, and participate in code reviews and architecture discussions while meeting security and quality standards.