SDK Software Engineer

SDK Software Engineer @ LaunchDarkly | Jobright.ai

SDK Software Engineer jobs in United States

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LaunchDarkly · 5 months ago

SDK Software Engineer

United States

Full-time

Remote

Senior Level

$171K/yr - $235K/yr

5+ years exp

LaunchDarkly is a company focused on modern software delivery, and they are seeking a Software Engineer for their SDK team. The role involves building and maintaining SDKs that serve as the primary touchpoint for customers, enabling them to feature flag their code effectively while ensuring performance and resiliency.

Big DataArtificial Intelligence (AI)SoftwareCloud ComputingIndustrialA/B TestingAI InfrastructureAnalyticsDeveloper ToolsDevOpsTest and Measurement

H1B Sponsor Likely

Unicorn

Responsibilities

Contribute to development for SDKs in supported platforms

Implement new features and improvements to meet customer performance and resiliency requirements

Keep up to date with the latest development practices

Collaborate with our engineering and product teams to drive the implementation and release of major features

Actively maintain our open-source repositories

Identify areas of improvement and advocate for best practices

Have an active voice in shaping both technology and product decisions

Qualification

SDK development.NETGoRubyPythonNodeJSJavaC++ErlangHaskellLuaAI SDKsObservability SDKsMobile developmentComputer science fundamentalsUnit testingIntegration testingLoad testingBenchmarkingProduction-ready codeOpen-source software contributionCommunicationCollaborationProblem solvingSelf-motivation

Required

Demonstrable experience building libraries and packages used by other developers

Polyglot background with an ability to context switch between languages quickly

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

Strong computer science fundamentals

Committed to working in a communicative, collaborative environment

Self‐starter and problem solver, willing to solve difficult problems and work independently when necessary

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

Preferred

C++

Erlang

Haskell

Lua

AI SDKs

Observability SDKs

Mobile development

Benefits

Restricted Stock Units (RSUs)

Health, vision, and dental insurance

Mental health benefits

Company

LaunchDarkly

Glassdoor

4.0

Feature management and runtime control for software and AI agents.

Founded in 2014

Oakland, California, USA

501-1000 employees

https://launchdarkly.com/

H1B Sponsorship

LaunchDarkly has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

83%

Represents job field similar to this job

Engineering and Development

Product Management

Management and Executive

Trends of Total Sponsorships

*2026 (2)

2025 (1)

2024 (4)

2023 (1)

2022 (1)

2021 (3)

Funding

Current Stage

Late Stage

Total Funding

$330.3M

Key Investors

Lead Edge CapitalBessemer Venture PartnersRedpoint

2021-08-10Series D

• $200M

2020-01-16Series Unknown

• $54M

2019-03-13Series C

• $44M

Leadership Team

Edith Harbaugh

Chief Executive Officer

John Kodumal

Co-Founder

Recent News

The Fintech TimesControl AI Agents, Do Not Just Stop Them, Says LaunchDarkly CTO

2026-09-05

HeavybitHeavybit Portfolio

2026-08-24

The New Stack“Every IC engineer is really a front line manager now.” But are they productive?

2026-07-10

Company data provided by crunchbase