Connectivity and Messaging Engineer

Salary: £60,000 - 90,000 per year

Requirements:

• Deep and solid experience with Java creating scalable, understandable and fully tested code for low-latency, high-throughput applications
• Profound OOA & OOD skills, deep understanding of multi-threading, and general concepts of messaging patterns such as point-to-point, pub/sub, and event-driven architectures
• Experience with the full development life-cycle, including implementation, review, full automated testing, release, and familiarity with related processes and tools such as CI/CD pipelines
• Profound understanding of the FIX protocol and how FIX engines generally work
• Good understanding of IP networks, including TCP/IP, UDP, routing tables, subnets, and BGP
• Experience working with containers such as Docker and Kubernetes is highly advantageous
• A continuous drive to improve a product and its ecosystem, including CI/CD pipelines, automated performance testing, and performance monitoring, while keeping things simple

Responsibilities:

• Work on ULTRA, our in-house micro-service, fully Kubernetes-deployed connectivity and messaging platform
• Collaborate and interface with practically all other IB teams and most other systems across our IB engineering environment
• Work on new exchange gateway implementations and their ongoing maintenance as exchanges evolve their gateways
• Support a mission-critical system that typically runs 24/7
• Ensure new features and changes to ULTRA are fully tested in an automated manner
• Take on support responsibilities of varying degree

Technologies:

• AI
• CI/CD
• Docker
• Support
• Java
• Kubernetes
• Machine Learning
• TCP/IP
• DevOps

More:

For our Innovation & Technology department in London, we are looking to hire a Connectivity and Messaging Engineer. We are shaping a technology-driven bank where our technology teams work closely with our business units on exciting challenges, from supporting and further developing legacy systems to introducing modern technologies such as AI, machine learning, and highly automated trading applications. You will join our innovation and technology team working on ULTRA, our connectivity and messaging platform that enables our investment banking trading stack to communicate in a flexible, reliable, and secure manner, while also providing FIX-based client and exchange connectivity. We offer a private pension plan with a 10% base salary contribution, a generous 30-day holiday allowance, private health insurance, life insurance, flexible working hours, enhanced parental leave policies, and an employee assistance programme. We are a leading European private bank with over 430 years of experience, deeply rooted history, and a strong commitment to innovation, personal development, and an on-site working culture that supports creativity, efficiency, and collegial relationships. We are a modern, dynamic, internationally orientated organisation and an equal opportunities employer, committed to diversity, inclusion, and reasonable accommodations during the recruiting process.

last updated 36 week of 2026