Principal Engineer in Belfast

Group Overview

The TP ICAP Group is a world leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions. Through our people and technology, we connect clients to superior liquidity and data solutions. The Group is home to a stable of premium brands. Collectively, TP ICAP is the largest interdealer broker in the world by revenue, the number one Energy & Commodities broker in the world, the world's leading provider of OTC data, and an award winning all-to-all trading platform. Founded in London in 1866, the Group operates from more than 60 offices in 27 countries. We are 5,200 people strong. We work as one to achieve our vision of being the world's most trusted, innovative, liquidity and data solutions specialist.

Role Overview

The Principal Engineer will provide technical leadership across development teams, setting engineering standards and driving best practices. This role combines hands‑on development with strategic oversight, ensuring delivery of high‑quality, innovative software solutions. The Principal Engineer will be passionate about software development, comfortable working in agile teams, and committed to fostering transparent communication, mentoring team members, and maintaining a culture of continuous improvement.

Role Responsibilities

• Act as a technical leader and hands‑on developer within the team.
• Design, develop, and oversee complex full‑stack systems and enhancements.
• Provide technical oversight for architecture, design, and implementation decisions.
• Collaborate with stakeholders to align technical solutions with business objectives.
• Drive adherence to SDLC processes, planning, and prioritization.
• Guide estimation and scope definition for projects leveraging prior experience.
• Champion target state architecture and lead refactoring initiatives.
• Mentor and coach engineers, fostering technical growth and career development.
• Ensure code quality through reviews and automated testing practices.
• Identify tools and methodologies to improve development efficiency.
• Manage risks and elevate issues promptly to stakeholders.

Experience / Competences

Essential

• Degree or equivalent industry experience.
• Proven experience in technical leadership within software delivery teams.
• Strong hands‑on experience in backend development with Java.
• Proficiency in related backend frameworks/technologies (Spring, Postgres DB, Redis).
• Experience with microservices architecture and AWS cloud platforms.
• Knowledge of CI/CD pipelines and DevOps practices.
• Familiarity with automated testing frameworks and quality assurance principles.
• Strong understanding of SDLC and agile methodologies.
• Excellent communication and stakeholder management skills.

Desired

• Experience with containerization (Docker/Kubernetes).
• Frontend experience with Typescript/React.
• Experience using python for support tooling and scripts.
• Experience effectively integrating AI tooling into development processes.
• Knowledge of architectural patterns (e.g., Actor pattern, Domain‑Driven Design).
• Exposure to observability tools and performance monitoring.
• Familiarity with GraphQL and event‑driven architectures.
• Strong analytical and problem‑solving skills.
• Ability to influence technical direction and drive innovation.
• Domain knowledge of MIFID II or similar financial regulations.

Role Band & Level

Manager, 7

Location

UK - City Quays - Belfast