Software Engineer 3
M
MongoDBSoftware Engineering
This role is open to remote work in the US or can be based out of any of our US offices.Full-TimeMiddle
Salary109,000 - 215,000 USD per year
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Job Details
- Experience
- 2+ years
- Required Skills
- PythonJavascriptTypeScriptGoCI/CDGitHub Actions
Requirements
- 2+ years of experience building production software, developer tools, internal platforms, or automation systems
- Solid software engineering fundamentals in API design, testing, error handling, and maintainability
- Experience building CLIs, libraries, test infrastructure, static analysis, or CI/CD workflows
- Ability to design systems that are usable by developers and reliable in automation
- Experience reasoning about correctness and safety with ambiguous input, nondeterministic output, or untrusted content
- Comfort in an evolving R&D environment
- Strong written and verbal communication skills
- Experience with agentic systems, LLM applications, or prompt-based evaluation (nice to have)
- Proficiency with Go, Python, JavaScript/TypeScript, Java, or C# (nice to have)
- Experience with GitHub Actions security, secret handling, or policy enforcement (nice to have)
Responsibilities
- Build and maintain agent skills and the infrastructure to validate, evaluate, publish, and maintain them
- Design evaluation datasets and workflows that compare agent behavior against a baseline
- Build agent metrics and observability including success/failure outcomes and latency
- Design safety and quality gates for agent-authored content
- Create CLIs, libraries, and MCP integrations for local and CI environments
- Integrate tooling into GitHub Actions and other CI workflows
- Build code-generation quality checks and linting for AI-generated code
- Investigate and remediate failures such as nondeterministic results and unsafe generated guidance
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