Application Support Engineer

New Today

Overview

Were looking for a technically curious Application Support Engineer to join the Unified Platform Support team at a leading proprietary trading firm. Youll work closely with developers to support complex, high-performance systems used for market data processing, regulatory reporting, and compliance analytics. This is a hands-on role that gives you the freedom to dig into issues - sometimes right down to the code.

Key Responsibilities

  • Monitor and operate production systems supporting regulatory reporting and surveillance functions
  • 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 L1/L2 support to users across the firm (typically 2-10 issues per day), escalating to L3 when required
  • Assist in onboarding new teams and applications to the platform support model
  • Continuously refine monitoring processes and documentation as the platform evolves

What We\'re Looking For

  • Experience supporting and troubleshooting high-performance applications in a financial services environment
  • Strong Linux skills and comfort working in command-line environments
  • Understanding of market data and/or order data systems, including protocols like FIX or exchange-native formats
  • Strong analytical and problem-solving mindset
  • Ability to navigate or debug object-oriented code (Java and Python preferred)
  • Familiarity with version control tools (Git or SVN)
  • SQL proficiency - from writing queries to basic database operations
  • Exposure to cloud infrastructure, ideally AWS
  • Bonus: Experience with streaming/data tools such as Kafka, Spark, or Delta Lake

Technology Stack & Environment

  • AWS, Kubernetes, Kafka, Argo
  • Java 17, Python 3, HDF5
  • Distributed systems processing large volumes of market and order data
  • A globally distributed team covering Europe and North America

Why Join This Team?

  • Work closely with developers and gain exposure to complex systems architecture
  • Be empowered to investigate issues deeply and shape solutions
  • Join a respectful, collaborative culture that values outcomes over process
  • Use the right tools for the job - and keep learning as the tech evolves

Seniority level

  • Entry level

Employment type

  • Full-time

Job function

  • Finance

Industries

  • Funds and Trusts
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Location:
City Of London
Job Type:
FullTime
Category:
IT & Technology

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