Senior Backend Product Engineer

Company: CAIS
Apply for the Senior Backend Product Engineer
Location: London
Job Description:

Overview

In this Senior Backend Product Engineer role, you’ll design, build and run production systems across Pre-Trade, Trade and Post-Trade in the Capital Markets tech team. You’ll partner with product managers and the business to turn open-ended problems into working software, with AI features already in use. You’ll work in small autonomous teams, own your outcomes, and contribute to a modern, high-standards codebase. This role offers impactful work across complex trade lifecycles and direct visibility into business performance.

Pay / Benefits

  • market competitive salary
  • performance bonus
  • exceptional benefits

Responsibilities

  • Design, build and operate systems for Pre-Trade, Trade and Post-Trade
  • Collaborate with product managers and business to translate problems into software
  • Develop and ship AI-driven features and future iterations
  • Own end-to-end quality, testing, and production readiness
  • Work in small autonomous Kanban teams and manage production runbooks
  • Contribute to CI/CD, monitoring, alerting, and incident response
  • Participate in shaping problems and taking solutions to production
  • Communicate technical decisions clearly to non-engineers

Key requirements

  • Experience as a software developer with Java or Kotlin server-side applications
  • Proven track record turning business problems into working software with measurable impact
  • Experience building and running mission-critical services in production (CI/CD, monitoring, incident response)
  • Strong testing across unit/integration/e2e with appropriate test strategy
  • Spring (Boot, Data, Security), relational DB design, REST APIs, and Kafka or equivalent
  • Experience with AI-first software development and understanding of LLMs
  • Technical leadership including mentoring and setting engineering standards
  • Clear communication of technical decisions to non-engineers
  • Strong communication
  • Mentoring and technical leadership
  • Collaboration across teams
  • Kotlin
  • Spring (Boot, Data, Security)
  • Postgres

…

Posted: October 23rd, 2026