System Architect - Global Market Infrastructure | Belfast (Hybrid)
Are you ready to help design and deliver the technology that powers global financial markets?
Do you thrive in complex, enterprise-scale environments where architecture, innovation, and performance truly matter?
My client is a world-leading provider of market infrastructure, giving institutions access to global financial and commodities markets. Through cutting-edge technology and responsible innovation, they connect clients to superior liquidity and data solutions.
With operations across 60+ offices in 27 countries and a 5,000-strong global workforce, my client is building on a proud heritage of excellence and is now investing heavily in its Belfast technology hub to drive its next phase of growth.
The Opportunity
As a System Architect, you'll define and deliver the shared technical and architectural vision across multiple global engineering teams. Working closely with Product Managers, Release Train Engineers, and development teams, you'll ensure systems and applications are designed for scale, performance, and sustainability - aligning closely with business goals and enterprise standards.
This role combines strategic architecture design with hands-on technical leadership, helping to shape modern, cloud-first solutions across a complex technology landscape.
Key Responsibilities
Define and communicate the architectural vision across multiple Agile teams, translating it into actionable Epics, Features, and Stories.
Ensure solutions are aligned with enterprise architecture principles, business priorities, and evolving technical standards.
Support DevOps practices, CI/CD pipelines, and contribute to release governance processes.
Promote built-in quality and define key non-functional requirements (NFRs) such as scalability, security, and resilience.
Collaborate with global teams to evolve design patterns, validate implementations, and embed sustainable engineering practices.
Maintain architecture documentation, tools, and technical assets across the technology landscape.
Experience & Competencies
Essential
Bachelor's degree in Computer Science, Systems Analysis, or equivalent experience.
Extensive experience designing and delivering enterprise-scale software architectures.
Strong grounding in architectural principles, modern systems design, and cloud-native technologies.
Proven experience across front-end, back-end, or middleware solution development.
Hands-on background with technologies such as C#, Java, JavaScript/TypeScript, or C++.
Expertise in cloud platforms (AWS preferred, Azure or GCP also valuable), containerisation, and microservices.
Deep understanding of APIs, integration patterns, and DevOps (CI/CD, infrastructure-as-code, Git).
Experience working in Agile environments, ideally within large distributed teams.
Strong leadership and communication skills, with the ability to mentor and influence technical teams.
Solid understanding of security best practices - authentication, authorisation, and application security.
Desirable
Experience delivering technology solutions in financial or trading environments.
Exposure to front-office or trader-facing systems.
Knowledge of Scaled Agile Framework (SAFe).
Familiarity with micro-frontend architecture and performance optimisation techniques.
What's On Offer
Competitive salary and annual performance bonus
Hybrid working model with flexibility around office days
Private healthcare, pension, and generous holiday allowance
Opportunity to work on global-scale systems used across major markets
Exposure to cutting-edge architecture, modern cloud technologies, and a world-class engineering culture
This is a rare opportunity to join a global leader that is investing heavily in technology and innovation. You'll play a central role in shaping high-performance systems that underpin the world's financial infrastructure - all while helping build out a growing engineering presence in Belfast.
If you have any further questions on the role, please feel free to reach out to Brendan McCrory directly.