Backend Engineer

LaunchDarkly

Backend Software Engineer responsible for developing backend services that support LaunchDarkly's delivery systems. Collaborate with multiple teams to improve service reliability and system performance.

Posted 6/22/2026full-timeRemote • 🇺🇸 United StatesMid-LevelSenior💰 $145,500 - $200,090 per yearWebsite

Tech Stack

Tools & technologies

CloudDistributed SystemsGoJavaRust

About the role

Key responsibilities & impact

Build, improve, and operate backend services that power LaunchDarkly’s Flag Delivery systems.
Contribute to systems that support streaming and polling delivery models for LaunchDarkly SDKs.
Debug production issues, improve service reliability, and help the team maintain strong standards around latency, availability, observability, and operability.
Work with technologies and patterns common to modern distributed backend systems, including caching layers, network services, concurrency, failure handling, and cloud infrastructure.
Collaborate closely with partner teams including SDK, Platform, SRE, Security, and Enterprise to deliver improvements across the broader platform.
Participate in the on-call rotation and take ownership of the systems you help build.
Learn the existing architecture deeply and make pragmatic improvements that increase system clarity, performance, and maintainability.
Use AI as part of your engineering workflow with sound judgment, including knowing when to use it, how to direct it effectively, and how to verify or reject its output.
Reason clearly about code, architecture, and whole-system behavior even when AI is in the loop.

Requirements

What you’ll need

5+ years of backend software engineering experience.
Experience building or operating production backend systems.
Strong programming skills in Go, Java, Rust, or a similar backend language.
Clear, existing AI usage in engineering work.
Ability to use AI without surrendering technical judgment.
Familiarity with distributed systems fundamentals such as caching, concurrency, failure modes, and reliability.
Experience debugging production issues and using observability to understand system behavior.
Ability to reason clearly about code, architecture, and system behavior.
Strong learning orientation and comfort working with senior engineers.
Strong collaboration and communication skills, with the ability to work well across engineering teams.
Willingness to participate in on-call and production support.

Benefits

Comp & perks

Restricted Stock Units (RSUs)
health, vision, and dental insurance
mental health benefits

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

backend software engineeringGoJavaRustAI usage in engineeringdebugging production issuesobservabilitycachingconcurrencyfailure handling

Soft Skills

technical judgmentreasoning about codesystem behaviorlearning orientationcollaborationcommunicationworking across teamsownershipparticipation in on-callcomfort working with senior engineers