Technology

Application Support Engineer

London, England
Work Type: Full Time


About the job

We're looking for a technically curious, hands-on Application Support Engineer to join  our growing technology team at a leading digital asset firm. You'll work with developers and the business to support complex, high-performance systems used for trading, market data, custody, OTC, regulatory reporting, and compliance. This is a hands-on role that gives you the freedom to dig into issues – including down to the code.

Key Responsibilities
  • Monitor and operate production systems supporting both regulated and unregulated trading activities
  • Investigate and resolve data-related alerts and system issues, including code-level debugging when necessary
  • Collaborate with developers to troubleshoot complex issues and drive long-term improvements
  • Provide first-to-third line support to internal and external parties across the firm, escalating and working with Developers as required.
  • Help onboard new team members, customers, and applications into our support model
  • Continuously improve monitoring, runbooks, and operational processes
  • Get involved in automation, scripting, and helping us scale the platform as we grow
What We're Looking For
  • Experience supporting and troubleshooting high-performance or real-time systems (finance, trading, or similar environments ideal)
  • Strong Linux skills - you’re comfortable navigating and debugging from the command line.
  • Good understanding of market data, order flows and related protocols
  • Strong analytical and problem-solving mindset, and being able to design and implement solutions, both tactical and strategic.
  • Ability to understand and interpret source code, C++, JavaScript, Kotlin  – and be able to help/implement/test fixes and suggestions.
  • Familiarity with Git and modern tooling around CI/CD
  • SQL proficiency - from writing queries to basic database operations
  • Experience with AWS Cloud, or other similar providers
  • Experience with Prometheus, Grafana and RabbitMQ

Technology Stack & Environment

  • Backend Tech: Kotlin, Nodejs, TypeScript, RabbitMQ
  • IaaS: AWS
  • Databases: MySQL
  • Monitoring: Prometheus, Grafana, Paessler PRTG, CloudWatch, MS Security XDR, OpenSearch
Archax is an equal opportunities employer and places a high value on diversity and inclusion. We do not discriminate based on any attribute.

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