# SDK Software Engineer, AI

**Company:** [Launchdarkly](https://hotfix.jobs/companies/launchdarkly)
**Location:** Remote
**Role:** Backend Engineering
**Salary:** $146k – $235k/yr
**Experience:** 5+ years
**Skills:** Python, TypeScript, Openai Sdk, Vercel Ai Sdk, Unit Testing, Integration Testing, Load Testing, Benchmarks, Open-Source Contribution
**Posted:** 2026-04-29

> Builds and maintains feature-rich open-source AI SDKs in Python and TypeScript for GenAI feature control, monitoring, and optimization. Requires 5+ years experience with these languages, AI SDK familiarity, strong testing skills, and open-source contributions.

## Job Description

## Responsibilities
- Contribute to the development of our open-source AI SDKs, including implementing new features and keeping up-to-date with the latest development practices
- Collaborate with our engineering and product teams to drive the implementation and release of major features
- Drive key improvements to key developer experience touch points within the SDK
- 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

## Qualifications
- Demonstrable experience building libraries and packages used by other developers
- 5+ years experience with **Python** and **Typescript**
- Experience working with AI SDKs such as the **OpenAI** and **Vercel AI SDKs**
- 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

## Pay
Target pay ranges based on Geographic Zones* for Level 3:

**Zone 1:** San Francisco/Bay Area or NYC Metropolitan Area, Boston, Seattle - **$171,200 - $235,400**
**Zone 2:** Irvine, LA, Monterey, Santa Barbara, Santa Rosa, Austin, Portland, Philadelphia, Chicago - **$154,100 - $211,860**
**Zone 3:** All other US locations - **$145,500 - $200,090**

*Within the United States, our geographic pay zones are defined by counties surrounding major metropolitan areas.

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

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