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 # 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 Connecting clients, communities and colleagues for sustainable growth TP ICAP connects people, platforms, ideas, and insight across the world's financial, energy and commodities markets. As a global leader in market infrastructure and data-led solutions, we enhance market access, increase efficiencies, and unlock possibilities. Work with us Joining TP ICAP puts you at the heart of markets that matter.You'll have the freedom to innovate and act on your initiative. We'll train you and build your abilities in your specialist area, so that you can become an expert in your field. And all within a connected network that's there to set you up for success.TP ICAP Group is a collection of premium brands each with a distinct, client-focused offering. Underpinning and connecting these client-facing brands is the financial security, operational strength and know-how we have as a Group.Connections are at the heart of what we do. We combine our people's know-how with the latest technology to improve price discovery, trade execution and liquidity flow.Connections create strength. Through them, we help our clients to manage risk, realise investment strategies and expand the scope for growth.And connections act as a catalyst. Sparking richer solutions for our clients to break new ground, modernising markets for future performance, and creating dynamic careers for our people. Our capacity to connect builds trust, supports communities and gives us the power to anticipate and respond to change, whatever direction the world takes. It's what makes TP ICAP a mainstay in the global markets, now and in the future.TP ICAP. We connect.