Are you an experienced Product Architect who enjoys shaping how large-scale platforms evolve? Do you want to play a key role in defining the architecture behind a system that processes millions of transactions every day?

My client is looking for a Product Architect to join their Belfast engineering team. The team is responsible for developing and maintaining a high-throughput payments platform that processes millions of daily card transactions for businesses ranging from small merchants to major stadiums and enterprise clients.

This is a strategic technical role where you will help define how the platform evolves, ensuring new product capabilities are built in a way that supports performance, scalability and long-term maintainability. You will work closely with engineering teams and product stakeholders to translate product roadmap initiatives into robust architectural solutions.

Key Responsibilities

• Define and maintain the architecture and technical direction for the platform

• Work closely with Product and Engineering teams to translate product roadmap initiatives into scalable technical designs

• Lead architectural discussions and technical design reviews across engineering teams

• Ensure systems are designed with scalability, resilience and security in mind

• Provide guidance to engineers during delivery to ensure architectural standards are followed

• Identify opportunities to improve platform performance, reliability and maintainability

• Support the evolution of the platform as transaction volumes continue to grow

• Promote best practices in system design, architecture and development standards

Key Skills & Experience

• Proven experience working as a Product Architect, Solutions Architect or Software Architect

• Strong background in software architecture and large-scale system design

• Strong experience working with C# / .NET backend systems

• Experience designing scalable web services or distributed systems

• Strong experience with relational databases such as SQL Server

• Deep understanding of design patterns, OO design and system architecture principles

• Experience working closely with product teams and engineering leadership

• Strong analytical, problem-solving and communication skills

Nice to Have

• Experience working within payments, fintech or high-transaction platforms

• Knowledge of PCI standards or payment processing

• Experience working in high-availability or high-throughput environments

• Exposure to cloud infrastructure or modern distributed architectures

What My Client Offers

• The opportunity to shape the architecture of a high-scale payment platform

• A strategic role influencing technical direction and product evolution

• Collaboration with experienced engineers and product leaders

• A modern office environment in Belfast city centre with flexible working

If you have any further questions on the role, please feel free to reach out to Brendan McCrory directly.