Application Support Engineer (Fintech)

TL;DR

Application Support Engineer (eTrading/Fintech): Supporting high-volume electronic trading platforms for an investment banking client with an accent on stability, low-latency performance, and market connectivity. Focus on incident management, system design improvements for resilience, and coordinating global follow-the-sun support.

Location: London (On-site, 5 days per week)

Company

hirify.global is a global technology consultancy providing high-performing teams for complex enterprise environments.

What you will do

• Oversee day-to-day production support activities, including monitoring, incident management, and capacity planning.
• Act as the key point of contact for issue resolution, liaising between traders, developers, infrastructure teams, and external vendors.
• Support and enhance electronic trading systems, including pricing engines, algorithmic trading components, and STP workflows.
• Manage connectivity to external trading venues, exchanges, ECNs, and market data providers.
• Contribute to system design improvements focusing on resilience, scalability, and performance optimization.
• Coordinate release and change management activities while participating in a shift-based rota and on-call support.

Requirements

• Strong experience in Application Support within electronic trading or capital markets environments.
• Solid expertise in Linux and Windows server environments, including Wintel Engineering.
• Understanding of market connectivity, networking, firewalls, multicast, and latency considerations.
• Proficiency in scripting and automation using Python, Shell, PowerShell, and SQL.
• Experience with CI/CD and deployment tools such as Jenkins, Ansible, and Artifactory.
• Must be based in London and able to work on-site 5 days per week.

Nice to have

• Experience with ION trading platforms or similar vendor systems.
• Knowledge of multicast messaging and low-latency trading architectures.
• Experience with monitoring tools like Geneos or Zabbix.
• Proficiency with Splunk or similar log analytics platforms.

Culture & Benefits

• Opportunity to work in a high-pressure, front-office facing role within a leading investment bank.
• Collaboration within a global follow-the-sun support model across Europe, North America, and Asia.
• Exposure to complex, low-latency trading technology and high-volume flows.