Senior Software Engineer (Back-End) in London

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.

Role Overview

The Senior Software Engineer is responsible for mentoring team members, providing local management support to engineers, designing and maintaining software, collaborating with cross‑functional teams, and ensuring high‑quality code. The role involves overseeing CI/CD pipelines, monitoring system performance, and implementing security best practices. Additionally, the engineer participates in agile ceremonies and maintains detailed documentation.

Role Responsibilities

• Mentor other engineers in the team, whilst ensuring alignment with project goals and timelines across the team.
• Design, develop, and maintain software, ensuring seamless integration and performance.
• Collaborate with cross‑functional teams, including Business Analysts (BAs) and Project Managers (PMs), to gather and refine requirements.
• Implement and maintain Infrastructure as Code (IaC) using AWS CDK with Python.
• Ensure high‑quality code through automated testing, particularly unit testing.
• Oversee the implementation and management of CI/CD pipelines to streamline the software development lifecycle.
• Monitor system performance, identify issues, and implement solutions to ensure high availability and performance.
• Ensure security best practices are followed and implement necessary measures to protect cloud infrastructure and applications.
• Participate in agile ceremonies and contribute to an agile mindset within the team.
• Maintain detailed documentation of code, processes, and system configurations.

Experience / Competences

• Proven experience as a Senior .NET Engineer, preferably in the finance sector.
• Strong understanding of AWS services and hands‑on experience with Infrastructure as Code (IaC), particularly using AWS CDK in Python.
• Experience with Entity Framework (or other CRMs) is beneficial.
• Experience designing and building systems using a contract‑first methodology is beneficial.
• Experience with writing tests or scripts in Python is beneficial.
• Demonstrated experience with automated testing frameworks and a solid understanding of unit testing principles.
• Experience working in agile environments and a strong agile mindset.
• Attention to detail and the ability to work under pressure without being distracted by complexity.
• Excellent problem‑solving skills and the ability to think critically and creatively.
• Leadership and collaboration skills, with the ability to communicate effectively with team members and stakeholders.
• Passion for code quality and a commitment to maintaining high standards of software development.

Skills

• Strong communication skills, both written and verbal.
• Fluent in back‑end development using .NET.
• Strong understanding of microservices architecture in cloud environments.
• Strong grasp of database design and experience with relational and/or NoSQL databases.
• Competent in using Docker for containerisation.
• Familiarity with Kubernetes, relying on the DevOps Engineer for orchestration.
• Proficiency in using Git for version control and JIRA for backlog management.
• Experience with CI/CD pipelines and tools.
• Ability to write clear and concise documentation.
• Ability to work effectively as part of a team and independently when required.

Not The Perfect Fit?

Concerned that you may not meet the criteria precisely? At TP ICAP, we wholeheartedly believe in fostering inclusivity and cultivating a work environment where everyone can flourish, regardless of your personal or professional background. If you are enthusiastic about this role but find that your experience doesn’t align perfectly with every aspect of the job description, we strongly encourage you to apply. You may be the ideal candidate for this position or another opportunity within our organisation.

Company Statement

We know that the best innovation happens when diverse people with different perspectives and skills work together in an inclusive atmosphere. That’s why we’re building a culture where everyone plays a part in making people feel welcome, ready and willing to contribute.