LaunchDarkly · 6 hours ago
SDK Software Engineer
LaunchDarkly is a company focused on modern software delivery, helping developers innovate new features while ensuring stability. As a Software Engineer on the SDK team, you will build and enhance SDKs that serve as the primary interaction point for customers, ensuring performance and resiliency in their code deployments.
Developer ToolsDevOpsSoftwareTest and Measurement
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
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
Experience with the following is a plus: 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
LaunchDarkly is a feature management platform that allows software development teams to deliver to their customers.
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
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (4)
2023 (2)
2022 (1)
2021 (3)
Funding
Current Stage
Late StageTotal Funding
$330.3MKey Investors
Lead Edge CapitalBessemer Venture PartnersRedpoint
2021-08-10Series D· $200M
2020-01-16Series Unknown· $54M
2019-03-13Series C· $44M
Recent News
2026-01-23
2026-01-22
GlobeNewswire
2026-01-20
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