Software Engineer, SDK
Keycard · Remote · US - Remote · Canada - Remote ·
COMPENSATION
€•• – ••k
Listed on the employer's job board (Ashby)
- Fully remote (Americas)
- Go, Python, TS, Rust
- SDK development focus
- Backed by a16z
- Equity package included
You will join the team responsible for the Keycard Agent SDK, which provides trust, governance, and telemetry for AI agents in production. Your work will ensure developers can integrate Keycard’s control plane across various languages and deployment patterns.
The role requires building robust libraries, maintaining compatibility with upstream frameworks, and contributing to open protocol standards. You will collaborate directly with founders and systems engineers to define what agent developers need.
What you'll do
- Build and maintain SDK libraries for multiple programming languages
- Ensure compatibility with upstream agent frameworks and tools
- Contribute to open protocol work such as MCP and A2A
- Advocate for developer needs based on ecosystem insights
- Collaborate with founders and systems engineers on service design
What you'll need
- Deep familiarity with the agent ecosystem and relevant tools
- Strong systems engineering instincts and testing practices
- Experience building libraries or SDKs for other developers
- Ability to work effectively across multiple programming languages
- Understanding of API surface area and backwards compatibility
Nice to have
- Experience with plugin systems or provider architectures
- Contributions to open source agent frameworks or protocols
- Background in identity protocols like OIDC, OAuth, or mTLS
- Experience with code generation tools for multi-language SDKs
Stack
- Go
- Python
- TypeScript
- Rust
- MCP
- A2A
How you'll work
- Remote-first team with asynchronous collaboration
- Hiring focused in North and South America
- Flexible work location within supported time zones
What you get
- Market-competitive salary and generous equity packages
- Health, dental, vision, and paramedical coverage
- 4 weeks vacation plus 11 statutory holidays
- New MacBook Pro and $500 peripheral stipend
- Access to premium AI tools for workflow efficiency