Associate Software Engineer (Back End)

Liquidnet; Greater London; On-site; GBP 70,000 - 82,000; Full time

Job summary

TP ICAP is hiring a Back-End Engineer in London to design, build, review, test, and deliver mission-critical, high-performance systems end to end. You will work closely with Architects, Principal Engineers, and Trading SMEs as a hands-on engineer, delivering robust, scalable solutions.

The role requires hands-on experience with C#/Java, AWS, Docker, Kubernetes, and CI/CD, plus knowledge of FIX, messaging, caching, and serverless patterns. This is a full-time, on-site position based in London.

Qualifications

• Hands-on experience building and supporting enterprise-level, latency-sensitive systems.
• Background in front-office trading applications is preferred.
• Experience with CI/CD pipelines, Docker, and Kubernetes.
• Knowledge of distributed messaging and caching technologies.
• Understanding FIX protocol and FIX message handling.
• Familiarity with AWS, microservices, and serverless patterns.

Responsibilities

• Design, build, review, test, and deliver mission-critical, high-performance systems end to end.
• Work closely with Architects, Principal Engineers, and Trading SMEs as a hands-on engineer.
• Contribute to engineering deliverables throughout the full lifecycle.
• Ensure performance, scalability, resilience, and alignment with engineering best practices.
• Drive innovation through POCs, technical evaluations, and continuous improvement initiatives.
• Communicate progress proactively, highlight risks, and remove delivery impediments.

Skills

Latency-sensitive systems

Distributed event-driven architectures

SDLC proficiency

Stakeholder engagement

TDD/BDD familiarity

Education

Bachelor's degree in Computer Science or related field

Tools

C#

Java

Docker

Kubernetes

AWS

Serverless

Redis

Solace

SQL (MSSQL/MySQL)

FIX protocol

Job description

Salary: £70,000 - 82,000 per year

Requirements

• Hands-on experience building and supporting enterprise-level, latency-sensitive systems
• Previous experience in 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 optimisation skills (MSSQL, MySQL)
• Experience building automated testing frameworks for complex distributed systems
• Ability to engage effectively with traders, quants, and other business stakeholders
• Domain experience in Credit or Fixed Income is desired
• 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

Responsibilities

• Design, build, review, test, and deliver mission-critical, high-performance systems end to end
• Work closely with Architects, Principal Engineers, and Trading SMEs as a hands-on engineer
• Contribute to engineering deliverables throughout the full lifecycle
• Ensure performance, scalability, resilience, and alignment with engineering best practices
• Drive innovation through POCs, technical evaluations, and continuous improvement initiatives
• Communicate progress proactively, highlight risks, and remove delivery impediments

Technologies

• AWS
• C#
• CI/CD
• Cloud
• Docker
• Support
• Java
• Kubernetes
• MySQL
• Network
• Redis
• Serverless
• TDD
• microservices
• ASP.NET
• DevOps
• Backend

More

We are TP ICAP, a world-leading provider of market infrastructure, connecting clients to global financial and commodities markets through responsible and innovative solutions that improve price discovery, liquidity, and data distribution. We are home to premium brands and operate from more than 60 offices in 27 countries, with 5,200 people working together to achieve our vision of being the worlds most trusted, innovative liquidity and data solutions specialist. This is a full-time Back-End Engineer role based in London at 135 Bishopsgate, and we foster an inclusive culture supported by TP ICAP Accord, our Employee Network, to help everyone feel welcome and contribute.

last updated 36 week of 2026