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# Senior Software Engineer, Test Core

- **Company:** The Ladders
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Salary:** $135,000.0 - $160,000.0
- **Contract:** Permanent contract
- **Skills:** Adobe InDesign, Application Programming Interfaces (APIs), Artificial Intelligence, Code Review, Software Debugging, MongoDB, Test Execution Engine, TypeScript, Grafana, Backend, Graphql
- **Published:** August 30, 2026
- **Apply:** https://arc.dev/remote-jobs/j/redirect/pg2lgfgv87

## About the Role

* 5-7 years of experience in backend system design and operations
 * Proven track record of independently delivering complex technical projects
 * Strong understanding of APIs and data modeling fundamentals
 * Proficient in debugging complex systems for reliability and performance
 * Ability to communicate technical decisions and collaborate effectively across teams
 * Familiarity with TypeScript, GraphQL, MongoDB, and observability tools
 * Open to leveraging AI tools to enhance work efficiency

## Description

This role will focus on building and improving the backend systems that power testing operations, with an emphasis on reliability, performance, and correctness. You will own complex technical initiatives from design through production support, partnering closely with engineering peers to deliver scalable solutions. The position also involves simplifying internal systems and strengthening observability so teams can operate more effectively., * Own complex projects from concept to implementation and operation

 * Design and enhance backend systems, APIs, and data models for test execution
 * Improve runtime reliability, correctness, performance, and observability
 * Investigate production issues, identify root causes, and build robust solutions
 * Simplify and enhance existing systems and interfaces for engineering teams
 * Collaborate on cross-team systems problems and solutions
 * Provide feedback in design and code reviews and help guide other engineers


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