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Senior Software Engineer, K-Streams

MarketAxess

$150,000 - $225,000
Oct 5, 2025
New York, NY, US
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MarketAxess is digitally transforming one of the world's largest financial markets, enabling the shift from analog, phone-based trading to a fully electronic marketplace. This role is to help power application modernization plans by building a next-gen cloud-based, streaming microservices at scale.

Requirements

  • 6+ years of experience of extensive Java engineering experience
  • Experience with stream processing using KafkaStreams, Flink or other streaming runtimes
  • Expert understanding of Java, Gradle and quality related tooling, Checkstyle, SpotBugs, DependaBot, Junit, system and integration testing (TestContainers)
  • Comprehensive understanding of CICD, GitOps and experience with building and deploying pipelines with tools such as Jenkins, ArgoCD, GitLab CI, and GitHub Actions (or similar)
  • Experience with data architecture, data modeling, schema design, and development
  • Real-world experience with distributed systems using Apache Kafka and Streaming architectures
  • Experience working with multi-terabyte data sets, troubleshooting issues, and performance tuning

Responsibilities

  • Provide technical implementation and guidance around test first development model
  • Implement and support products/initiatives from infancy to maturity
  • Be a core member of an agile team driving the team's agile and development practices, writing code and unit tests, working with API specs and automation
  • Train, pair and mentor junior team members
  • Collaborate on software solutions and architecture
  • Ensure exceptional software engineering practices
  • Contribute to good documentation

Other

  • Hands-on Senior Software Engineer
  • Passion and prior expertise in building a next-gen cloud based, streaming microservices at scale
  • Passionate about technology, architecture, software engineering and quality, and innovatively addressing business problems
  • Willing to take on new skills to meet the shifting demands of accelerating our modernization efforts to the public cloud and Kubernetes world
  • Good understanding of product management, agile principles, and development methodologies and capability of supporting agile teams by providing advice and guidance on opportunities, impact, and risks, taking account of technical and architectural debt