Senior Software Engineer (Back-End)

Responsibilities

• Collaborate with Architects and Principal Engineers to design and deliver solutions aligned with the broader IT strategy and architectural vision.
• Take ownership of the design, development, and delivery of key features, ensuring high-quality outcomes and timely completion.
• Partner closely with QA to ensure robust testing practices and the consistent delivery of high-quality, defect-free software.
• Champion engineering best practices, including unit testing, code reviews, and maintainable design principles.
• Leverage AI-enabled development tools (e.g. Copilot, code assistants, automation tooling) to enhance productivity, code quality, and delivery velocity-within enterprise risk and control frameworks.
• Contribute to continuous improvement by evaluating and adopting appropriate technologies, tools, and methodologies.
• Design and deliver solutions that meet both functional and non-functional requirements (e.g. performance, scalability, resilience).
• Support and mentor junior team members, fostering a collaborative and high-performing team environment.
• Proactively communicate progress, risks, and dependencies, escalating impediments early to minimise delivery impact.
• Experience / Competences
• Essential
• Extensive experience (5+ years) as a Senior Software Engineer within a complex, delivery-focused environment.
• Strong expertise in .NET (C#) across modern .NET Framework and .NET Core environments.
• Proven experience developing distributed, real-time systems and designing scalable system components.
• Solid experience with relational databases (e.g. MS SQL Server, MySQL), including schema design and optimisation.
• Proficiency in WPF application development.
• Hands-on experience with event-driven and asynchronous messaging architectures.
• Experience working with cloud platforms (preferably AWS), including deployment and management of cloud-based services.
• Strong understanding of CI/CD pipelines, version control (GitHub/GitLab), and package management.
• Working knowledge of Agile methodologies and collaborative delivery across geographically distributed teams.
• Demonstrable understanding of AI capabilities and limitations in software engineering, with the ability to apply these responsibly within enterprise governance frameworks.
• Strong problem-solving skills, with a proactive, detail-oriented, and delivery-focused mindset.
• Ability to critically evaluate and challenge design decisions to drive optimal technical outcomes.
• Experience delivering proofs of concept (POCs) to validate technical approaches.
• Competence in writing test tools, technical documentation, and supporting maintainable systems.
• Desired
• Experience within financial services/trading platforms and understanding of financial markets.
• Knowledge of the FIX protocol and experience managing FIX connectivity.
• Exposure to Java and/or JavaScript.
• Deeper expertise in AWS services, including serverless architectures and microservices.
• Experience with TDD, BDD, or similar engineering practices for defining and validating requirements.
• Band & Level
• Manager / 6
• #NIJobs #LI-Hybrid #LI-ASO
• Not The Perfect Fit?

Benefits

Additional Information

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 As a Senior Software Engineer at TP ICAP, you will play a key role in delivering business-critical software solutions supporting the internal broking division and its external client base. You will operate within an Agile, cross-functional environment, contributing across the full software development lifecycle-from design through to implementation and post-release support. The role emphasises engineering excellence, continuous improvement, and scalable delivery, with a strong focus on automation, continuous integration, and deployment.

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