Associate Software Engineer (Back End)

TP ICAP Group Services Ltd; City Of London; On-site; GBP 90,000 - 120,000; Full time

Job summary

TP ICAP Group is seeking a Back-End Engineer in London to design, develop and maintain robust server-side applications and APIs for high-volume data environments. You will shape technical architecture and drive best practices in software engineering.

Ideal candidates have hands-on experience with .NET, distributed systems, CI/CD, Docker and Kubernetes, and a proven ability to balance rapid delivery with long-term maintainability.

Qualifications

• Hands-on experience building latency-sensitive enterprise systems.
• Front-office trading applications experience preferred.
• Strong knowledge of distributed, event-driven, cloud-native applications.
• Relational database design and optimization (MSSQL, MySQL).
• Experience with automated testing frameworks for complex distributed systems.

Responsibilities

• Design, build, and deliver mission-critical, high-performance systems end-to-end.
• Collaborate with Architects, Principal Engineers and Trading SMEs to ensure reliability and scalability.
• Drive innovation through POCs and continuous improvement initiatives, and communicate progress clearly.

Skills

C# / .NET

Distributed systems design

TDD/BDD

Cloud services (AWS)

Stakeholder engagement

Tools

Docker

Kubernetes

MSSQL

MySQL

Redis

Solace

FIX protocol

CI/CD pipelines

Serverless patterns

Job description

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 Back-End Engineer, you will design, develop, and maintain robust server-side applications and APIs that support high-volume, data-intensive environments. You will play a key role in shaping technical architecture, ensuring system reliability, and driving best practices in software engineering. This position requires strong problem-solving skills, deep technical expertise, and the ability to collaborate effectively with cross-functional teams.

Role Responsibilities

Working as a hands‑on engineer, working closely with Architects, Principal Engineers, and Trading SMEs to design, build, review, test, and deliver mission‑critical, high‑performance systems end‑to‑end. Contribute to engineering deliverables throughout the full lifecycle, ensuring performance, scalability, resilience, and alignment with engineering best practices. Drive innovation through POCs, technical evaluations, and continuous improvement initiatives. Communicate progress proactively, highlighting risks and removing delivery impediments.

Experience / Competences

Hands‑on experience building and supporting enterprise level latency‑sensitive system. Previous experience in front-office trading applications preferred. Background in designing and maintaining distributed, event‑driven, cloud‑native applications. Strong understanding of Computer Science fundamentals. SDLC experience across design, development, QA, deployment, and production support. Ability to balance rapid delivery with architectural rigour and long‑term maintainability. Relational database design and optimisation skills (MSSQL, MySQL). Experience building automated testing frameworks for complex distributed systems. Ability to engage effectively with traders, quants, and other business stakeholders. Desired Domain experience in Credit or Fixed Income. Expertise in modern .NET technologies and C# (Java or similar OO languages considered). Experience with CI/CD pipelines, containerisation (Docker), and orchestration (Kubernetes/EKS). Knowledge of distributed messaging and caching technologies (e.g., Solace, Redis, or similar). Understanding of FIX protocol and FIX message handling. Hands‑on experience with AWS, microservices, and serverless patterns. Understanding of TDD, BDD, or similar testing methodologies.

Role Band & Level:

Professional, 4 #LI-Hybrid #LI-ASO

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.

Our dedicated Talent Acquisition team is here to assist you in recognising how your unique skills and abilities can be a valuable contribution.

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

Location UK - 135 Bishopsgate - London 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. More about us 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.