> Markdown version of [/jobs/ext/4619218-c-platform-engineer](https://www.wearedevelopers.com/jobs/ext/4619218-c-platform-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# C++ Platform Engineer

- **Company:** Selby Jennings
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Salary:** $300,000
- **Contract:** Permanent contract
- **Skills:** C++ (Programming Language), Continuous Integration, Software Construction, Software Systems, Software Version Control
- **Published:** November 7, 2026
- **Apply:** https://www.juju.com/job/28_25304_4b1e64490ebed1d09eab8afa4003c123

## About the Role

* 10+ years of experience in C++ performance engineering.
 * Expertise in large-scale codebases and environments with evolving tooling.
 * Background in software infrastructure, quant libraries, or high-performance systems.
 * Strong understanding of fixed income derivatives and front-office workflows.
 * Familiarity with software engineering best practices (CI/CD, testing, monitoring, version control).
 * Demonstrated ability to work in collaborative, fast-paced environments.

## Description

* Design, optimize, and scale the quantitative library underpinning pricing and risk for fixed income products.
 * Develop infrastructure for advanced capabilities, including natural language trade booking integrated with the library.
 * Collaborate with quants, traders, and engineers to ensure performance and usability at every level.
 * Shape systems and tooling in an environment that is still evolving-building from the ground up.
 * Ensure reliability, scalability, and maintainability of mission-critical systems.