Senior Application Support Engineer

About the Role

Were looking for a hands-on Application Support Engineer to join our tech team at a digital asset firm. Youll support high-performance trading and data systems, troubleshoot issues, collaborate with developers, and improve operational processes. This is a hands-on role that allows you to dig deep, including at the code level.

Key Responsibilities

  • Monitor and manage production systems for trading and market data
  • Investigate and resolve system and data issues, including code-level debugging
  • Collaborate with developers to implement improvements
  • Provide multi-tier support to internal and external stakeholders
  • Assist with onboarding new team members, clients, and applications
  • Enhance monitoring, runbooks, and automation

Requirements

  • Experience with high-performance or real-time systems (finance/trading a plus)
  • Strong Linux and command-line skills
  • Knowledge of market data, order flows, and related protocols
  • Ability to read and troubleshoot code (C++, JavaScript, Kotlin)
  • SQL proficiency and familiarity with Git/CI-CD
  • Experience with AWS, Prometheus, Grafana, RabbitMQ

Tech Stack

  • Backend: Kotlin, Node.js, TypeScript, RabbitMQ
  • Cloud: AWS
  • Databases: MySQL
  • Monitoring: Prometheus, Grafana, CloudWatch, OpenSearch
Company
Explore Group
Location
City of London, Greater London, UK
Employment Type
Part-time
Posted
Company
Explore Group
Location
City of London, Greater London, UK
Employment Type
Part-time
Posted