Senior Software Engineer (Back End)

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

Join TP ICAP as a Senior Software Engineer and play a pivotal role in building business-critical software solutions for our internal broking division and external clients. You’ll be part of a highly skilled, collaborative team working in an Agile environment, driving innovation from design through to deployment. This is an opportunity to influence technical direction, mentor others, and deliver solutions that shape the future of financial markets.

We value continuous improvement, experimentation, and knowledge sharing. You’ll work in a self-organising, cross-functional team with a strong focus on automation, scalability, and cloud-native architecture.

At TP ICAP, you’ll work on cutting-edge technology that underpins global financial markets. We offer a collaborative environment, opportunities for professional growth, and the chance to make a real impact. If you’re passionate about engineering excellence and thrive in a fast-paced, innovative setting, we’d love to hear from you.

Key Responsibilities

• Collaborate with Solution Architects and Principal Engineers to design and implement solutions aligned with our IT strategy and vision.

• Take ownership of engineering deliverables, ensuring quality, scalability, and adherence to best practices.

• Mentor and support team members, fostering a culture of learning and technical excellence.

• Drive continuous improvement by exploring new technologies, tools, and methodologies.

• Communicate progress effectively, proactively raising impediments to minimise delivery risks.

Experience & Competencies

Essential

• Proven experience designing, developing, and maintaining distributed, event-driven, cloud-native systems.

• Expertise in modern .NET technologies (.NET Framework and .NET Core) using 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).

• Comprehensive knowledge 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.

• Strong problem-solving skills, attention to detail, and ability to validate approaches through POCs.

• Experience building automated testing solutions for complex systems.

Desired

• Proficiency in WPF application development.

• Exposure to financial/trading platforms and understanding of financial markets.

• Knowledge of FIX protocol and FIX message handling.

• Experience with AWS services, serverless architecture, and microservices.

• Familiarity with Java, JavaScript, or React.

• Understanding of TDD, BDD, or similar testing methodologies.

Band & Level

• Manager / 6

#NIJobs #LI-ASO #LI-Hybrid

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. Our dedicated Talent Acquisition team is here to assist you in recognising how your unique skills and abilities can be a valuable contribution. Don\’t hesitate to take the leap and explore the possibilities. Your potential is what truly matters to us.

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. TP ICAP Accord – our Employee Network – is a central to this. As well as representing specific groups, TP ICAP Accord helps increase awareness, collaboration, shares best practice, and holds our firm to account for driving continuous cultural improvement.

Location

UK – City Quays – Belfast