Associate Software Engineer (Back End)

ICAP; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

TP ICAP is a world-leading market infrastructure provider, connecting clients to global financial and commodities markets through innovative data and liquidity solutions. The Back-End Engineer will design and maintain high-performance server-side applications and APIs for data-intensive environments, collaborating with architects, traders, and quants to ensure reliability and scalability.

The role requires hands-on development across the full stack of enterprise systems, with emphasis on

Qualifications

• Hands-on experience building and supporting enterprise level latency-sensitive systems.
• Experience with front-office trading applications is 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 optimization skills (MSSQL, MySQL).
• Experience building automated testing frameworks for complex distributed systems.
• Ability to engage effectively with traders, quants, and other business stakeholders.

Responsibilities

• Work with Architects and Engineers to design, build, test and deliver high-performance systems end-to-end.
• Contribute to engineering deliverables across full lifecycle with performance and resilience in mind.
• Drive innovation through POCs and continuous improvement initiatives.
• Communicate progress, risks, and remove delivery impediments.

Skills

Latency-sensitive systems

Front-office trading apps

Distributed event-driven

CS fundamentals

SDLC & production support

Relational DB design

Automated testing frameworks

Stakeholder engagement

Credit or Fixed Income domain

Tools

Docker

Kubernetes

AWS

Solace

Redis

SQL Server (MSSQL)

MySQL

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

Essential

• 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. 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 - 135 Bishopsgate - London