Application Developer, Network & Market Data Instrumentation Job at Calance, New York, NY

  • Calance
  • New York, NY

Job Description

Salary: $83,000 - 123,000 per year Requirements:

  • Strong Python scripting and development skills, with experience building automation and tooling
  • Hands-on experience with packet capture and network analytics platforms such as Corvil; Corvil CNE or CMC certification is strongly preferred
  • Solid understanding of low-latency trading network infrastructure, including feed handlers, tap and aggregation switches, load balancers, and firewalls
  • Experience automating metadata management and configuration generation in network or trading environments
  • Software engineering skills to design and build an API/MCP layer for chatbot integration
  • Ability to work directly with stakeholders in a fast-paced trading environment
Responsibilities:
  • Modernize and maintain validation scripts to verify that instrumentation systems receive and process market data feeds correctly
  • Create automated processes to collect and maintain metadata for client and venue links, trading sessions, and market data feeds
  • Automate collection and maintenance of metadata for internal infrastructure and aggregation switch and tap links
  • Develop scripts to gather time-series data on packet drops and performance issues across aggregation switch and packet capture environments
  • Generate aggregation switch tagging and traffic-steering configurations, as well as packet capture device configurations, from collected metadata
  • Build an API/MCP integration layer that enables chatbot-style queries about the instrumentation setup
Technologies:
  • API
  • Support
  • MCP
  • Network
  • Python

More:

Were seeking an experienced Application Developer to support automation and management of our packet capture and analytics environment for low-latency trading infrastructure. This hands-on scripting and tooling role focuses on providing visibility into market data feeds, trading infrastructure, and network links; it is not a network operations position. The role is based at 1 NY Plaza in New York, NY.

last updated 40 week of 2026

Job Tags

Full time

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