Principal Software Engineer

Principal Software Engineer

Join TP ICAP as a Principal Software Engineer and lead the development of innovative, business-critical software solutions that power global financial markets. This is a senior leadership role where you will set technical direction, drive engineering excellence, and mentor high-performing teams. You'll work in an Agile environment, influencing architecture and delivery from design through to implementation, with a strong focus on scalability, resilience, and continuous improvement.

As a technical leader, you will collaborate across regions and disciplines, ensuring our solutions meet strategic objectives and deliver exceptional value to internal and external clients.

At TP ICAP, you'll lead technology initiatives that underpin global financial markets. We offer a collaborative environment, opportunities for professional growth, and the chance to make a lasting impact. If you're passionate about engineering leadership and thrive in a fast-paced, innovative setting, we'd love to hear from you.

Key Responsibilities

• Lead and manage a cross-functional engineering team delivering cutting-edge Front Office solutions for Rates & FX business lines.
• Collaborate with Principal Engineers globally to define and implement standards for engineering excellence.
• Partner with Solution Architects and Enterprise Architecture to design solutions aligned with IT strategy and long-term vision.
• Take ownership of delivery, ensuring solutions meet business requirements, adhere to best practices, and are delivered on time and within scope.
• Champion continuous improvement by introducing new technologies, methodologies, and processes.
• Communicate effectively with stakeholders, proactively identifying and resolving impediments to minimise delivery risks.

Experience / Competencies

Essential

• Proven track record of building and managing high-performing, cross-functional engineering teams in an Agile environment.
• Extensive experience designing, developing, and maintaining distributed, event-driven, cloud-native systems.
• Expert-level proficiency in .NET Framework and.NET Core (C#).
• Strong experience in API design and development (REST, GraphQL).
• Solid understanding of relational database design and optimisation (MSSQL, MySQL).
• Hands-on experience deploying and managing cloud environments (AWS, Azure).
• Deep understanding of the full SDLC, with proactive involvement across design, development, QA, and post-release support.
• Ability to balance pragmatism with innovation, delivering high-quality solutions under tight deadlines.
• Exceptional communication and influencing skills, with the ability to lead, negotiate, and collaborate effectively.
• Experience building scalable and maintainable automated testing solutions for complex systems.

Desired

• Proficiency in WPF application development.
• Experience with financial/trading platforms and knowledge of financial markets.
• Familiarity with FIX protocol and FIX message handling.
• In-depth knowledge of AWS services.
• Exposure to Java, JavaScript, or React.
• Experience with serverless architecture and microservices.
• Understanding of TDD, BDD, or similar testing methodologies.

Band & Level: Manager / 7

Location: UK - City Quays - Belfast