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Senior Backend Engineer, Core

Senior Backend Engineer, Core

Remote – US

About the Job:

Software powers the world, and LaunchDarkly empowers all teams to deliver and control the best software. As a Backend Engineer, you will help us build features, design and implement API methods, and improve the performance and reliability of our systems.

Our platform serves over twenty trillion feature flags daily. The core technologies we use daily include Golang, Redis, and NATS. As part of our you-build-it-you-run-it culture, all developers may be responsible supporting applications in production, including on-call. Off-hours on call is optional and compensated in addition.


  • Build and expand feature flagging products and APIs written in go for our Core product line, which includes managing flags, segments, contexts, and feature workflows
  • Collaborate with frontend engineers to deliver user-facing features
  • Monitor and improve server-side performance
  • Write unit, integration, and load tests as necessary
  • Actively participate in code reviews
  • Write and review technical proposals
  • Improve engineering standards, tooling, and processes


  • Experience with server-side web development (e.g. in Java / Scala, Ruby, Python, Golang, Node.js)
  • Experience building RESTful APIs
  • Familiarity with computer science fundamentals such as data structures, distributed systems, concurrency, and threading
  • A commitment to working in a communicative and collaborative environment
  • You write code that can be easily understood by others, with an eye towards maintainability
  • You hold yourself and others to a high bar when working with production systems
  • You value high code quality, automated testing, and other engineering best practices


Target pay range for a Level P4 in San Francisco/Bay Area: $165,000 – $195,000*

*Restricted Stock Units (RSUs), health, vision, and dental insurance, and mental health benefits in addition to salary.

LaunchDarkly operates from a place of high trust and transparency; we are happy to state the pay range for our open roles to best align with your needs. Exact compensation may vary based on skills, experience, degree level, and location.