Developer Productivity

LangChain - New York, NY

Hiring: Developer Productivity Company: LangChain Location: New York, NY Job Posted Time: 2026-09-11 13:40:12 Target Skills & Keywords : BigQuery, CI/CD, ClickHouse, Cloudflare, Datadog, GitHub Actions, Helm, Kubernetes, LLM, LangChain, Monday.com, Node.js, OpenTelemetry, Performance Testing, Playwright, PostgreSQL, Python, React, SQL, Terraform, Workday, k6, pytest About the job Experience: •3+ years of experience as a software engineer or infrastructure engineer Required Skills: •In person 5 days/week in San Francisco, CA or New York, NY •Own test strategy end-to-end across APIs, services, UI, data, and infrastructure (Kubernetes, Terraform, Helm) •Stand up ephemeral test environments in Kubernetes for pull requests and release candidates; seed test data and run hermetic test suites •Shift quality earlier in CI/CD pipelines (GitHub Actions) through parallelization, caching, deterministic seeds, flake tracking, and quality gates •Build observability into testing workflows with rich failure artifacts such as logs, traces, and dashboards •Establish performance and reliability baselines for critical paths, including SLIs, SLOs, and regression detection •Partner on incident workflows by reproducing issues, adding targeted regression tests, and improving runbooks and postmortems •Write documentation including test plans, playbooks, and contributor guidelines for writing high-quality tests Qualifications: •Strong hands-on experience with Python and testing frameworks such as pytest •Solid understanding of API testing, mocking/stubbing, and data setup/teardown •Comfort defining quality standards, writing test plans, and driving cross-team execution •Operational familiarity with observability tooling such as Datadog or OpenTelemetry •Basic infrastructure experience with Helm, Terraform, Kubernetes networking, or secrets management •SQL fluency for validating data (Postgres, ClickHouse, BigQuery) •Operational familiarity with Go, Node, or React for targeted white-box tests and improving system testability Compensation: •$175,000 - $240,000 / year •Competitive benefits and rewards package •We offer competitive compensation that includes base salary, variable compensation for relevant roles, meaningful equity, benefits, and perks Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!