Top Tech Jobs & Startup Jobs in Belfast

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.

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.

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.

Owns and prioritizes the product backlog for secure hardware engineering environments. Defines requirements, acceptance criteria, and feature priorities; validates releases; gathers user feedback; and leads application evolution, migration, consolidation, and legacy-tool retirement. Acts as technical authority and architect while coordinating hardware engineers, product owners, architects, delivery teams, and leadership. The role requires practical hardware engineering experience and knowledge of engineering development environments, with responsibility for aligning tools to broader Thales roadmaps.

Lead the modernization of engineering tooling environments by migrating legacy platforms to Azure-based cloud infrastructure. Deploy and support CI/CD, artifact management, code quality, and licensing tools; develop Infrastructure as Code and automation; maintain existing environments; and provision infrastructure resources. Implement monitoring, backups, archiving, and logging best practices while supporting engineering users. Collaborate with product and delivery stakeholders, coach junior team members, and champion reliable, secure DevOps practices.

Design, build, maintain, and debug services within a large-scale microservices architecture. Resolve complex distributed-system and production issues, participate in on-call rotations, communicate technical decisions, navigate ambiguity, and improve engineering practices through innovation, infrastructure migrations, technical-debt reduction, and AI-assisted development.

Design, build, scale, and support reliable distributed systems integrating Proofpoint threat defense with Microsoft and Google email platforms. Develop Python services, maintain business-critical systems, ship code through CI/CD, monitor production environments, address security vulnerabilities, and process sensitive data at high volume with low latency. The role emphasizes DevOps, scalability, reliability, experimentation, and data-informed product improvements.

Reviews electronic communications and trade surveillance alerts to identify potential market abuse, conflicts of interest, and other misconduct. The role researches regulatory developments, escalates unusual activity, collaborates with front-office staff, and recommends enhancements to surveillance controls and compliance processes. It also supports clients across multiple markets and contributes to product improvements for an AI-based compliance platform.

Partners with Breaking Wave and Corporate Bank leadership on financial planning, forecasting, performance analysis, reporting, investment decisions, pricing, billing, vendor expenditure, cash management, governance, controls, audit, tax, and finance transformation. Evaluates strategic initiatives, products, commercial opportunities, and market expansion while improving processes and using AI tools responsibly to enhance productivity and solve business problems.

Build and scale event-driven microservices for M-KOPA Mobility using C#/.NET. Own solutions throughout their lifecycle, from architecture and development through deployment, observability, monitoring, and decommissioning. Work with Azure, messaging systems, Kubernetes, Docker, automated testing, infrastructure as code, and DevOps practices while collaborating with distributed teams and coaching other engineers.

Manage project documentation, records, submissions, review cycles, approvals, revisions, and information workflows. Maintain version control, metadata, filing structures, access permissions, traceability, and information quality using enterprise document management platforms. Respond to information requests, communicate governance processes, resolve stakeholder issues, and improve document control practices across infrastructure, engineering, construction, and other project environments.