launchdarkly

SDK Software Engineer

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At a Glance

Location
US
Work Regime
remote
Experience
5+ years
Compensation
litan Area, Boston, Seattle - $171,200 - $235,400** Zone 2: Irvine, LA, Montere
Department
Technology
Posted
2026-02-04T16:47:02-05:00

Key Requirements

Required Skills

JavaNode.jsPythonRuby

Benefits & Perks

Health Insurance

health, vision, and dental insurance, and mental health benefits in addition

Requirements

Demonstrable experience building libraries and packages used by other developers

5+ years experience with at least two of the following: .NET/Go/Ruby/Python/NodeJS/Java

C++/Erlang/Haskell/Lua

Strong testing background: experience building unit, integration, load tests, and benchmarks

Experience writing production-ready code with emphasis on quality and maintainability

Experience contributing to open-source software

Responsibilities

As a Software Engineer on LaunchDarkly’s SDK team, you will build the primary touchpoint that our customers interact with on a daily basis.

You’ll work with multiple technologies across our 35+ SDKs while enabling customers of all kinds to feature flag their code.

When working on our SDKs, you’d be contributing to much more than thin client wrappers.

Our SDKs are feature-rich agents with strong emphases on performance, concurrency, and resiliency -- all while following idiomatic practices for their tech stack.

LaunchDarkly serves trillions of feature flags daily to customers all around the globe, and every flag is handled by our SDKs.

This team has a major impact not only on our company, but on our customers (and their customers).

About the Company

Modern software delivery was supposed to be the foundation for a thriving digital business but reality has proven otherwise. Slow, inefficient development cycles, costly outages, and fragmented customer experiences are preventing developers from building their best software. The LaunchDarkly platform helps developers innovate on new features faster while protecting them with a safety valve to instantly rewind when things go wrong. Developers can target product experiences to any customer segment and maximize the business impact of every feature. And by gradually rolling out new application components, they escape nightmare "big-bang" technology migrations.

The LaunchDarkly platform was built to guide engineers to the next frontier of DevOps by:

Improving the velocity and stability of software releases, without the fear of end customer outages

Delivering targeted experiences by easily personalizing features to customer cohorts

Maximizing the business impact of every feature through the ability to experiment and optimize

Coordinating the release and optimization of software to provide consistent experiences across mobile platforms and device types