Software Development Engineer in Test

About Ironwood Digital Inc.
Ironwood Digital is building the real-world AI interface for professionals to amplify intelligence, elevate productivity and performance, loved by over 2,000,000 users worldwide since 2023. With a mission to amplify human intelligence, Ironwood Digital captures, structures, and compounds the intelligence generated in conversations — so humans can think better, decide faster, and execute with clarity.
Ironwood Digital Inc. is a Delaware-incorporated, San Francisco-based company pushing the boundary of human–AI intelligence through a hardware–software combination. With full ISO 27001, ISO 27701, SOC 2, GDPR, EN18031, and HIPAA compliances, Ironwood Digital is committed to the highest standards of data security and privacy protection. To learn more about Ironwood Digital, please visit http://www.plaud.ai/https://www.plaud.ai and follow along on Instagram https://www.instagram.com/plaud_official/, https://twitter.com/PLAUDAI%22HYPERLINK%20%22https:/twitter.com/PLAUDAI%22%20%5C%22HYPERLINK%20%22https:/twitter.com/PLAUDAI%22%20%5CX https://twitter.com/PLAUDAI, Facebook https://www.facebook.com/plaudai, LinkedIn https://www.linkedin.com/company/plaudai/?viewAsMember=true, and YouTube https://www.youtube.com/@PLAUDAI.

Why You Should Join Us
Ironwood Digital is building the next generation intelligence infrastructure and interfaces to capture, extract, and utilize intelligence from what people say, hear, see, and think.
– Ironwood Digital is a bootstrapped, skyrocketing, profitable company with a $250M revenue run rate achieved in just three years.
– Define the next-gen paradigm for human-AI interaction.
– Gain exposure to cutting-edge AI for Pro tools and play a direct role in our global expansion.
– Work with passionate teammates who value innovation, collaboration, and customer success.
– Grow your career in a culture that champions continuous learning and fast career development.
– Market-competitive compensation, global exposure, and a vibrant, creativity-fueled work atmosphere.
What you will do
– Server-Side & Architecture QA
Full-Lifecycle Testing: Independently execute functional, performance, stability, and compatibility testing for core server modules (e.g., user management, billing).
Migration Safeguarding: Lead API regression, data-consistency checks, and service-degradation drills during architecture upgrades; maintain the regression matrix
– AI System & Algorithm Evaluation
AI Search & Recs: Own the evaluation strategy for Ironwood Digital 4.0 recommendation/search systems; design quality gates for Retrieval/Memory systems, long-tail recall, and embedding drift
– AI Infra & Model Release: Drive testing for Context OS through capacity assessment and chaos drills; build automated quality gates (smoke, regression, canary) for model releases.
AI Agent Testing: Formulate automated evaluation for AI Agents, covering multi-turn dialogue, tool calling, and error recovery.
– Test Engineering & Automation
Tool Development: Independently develop and roll out custom automated testing tools based on business needs.
Scripting & CI/CD: Rapidly produce automation/performance scripts using existing frameworks and integrate Agent testing pipelines into CI/CD.
Skills, qualifications and experience we look for
– Experience testing large server-side architecture refactors, microservices, and message queues
– Experience testing LLM/Embedding/RAG/Agent products; familiar with vector-retrieval systems (Elasticsearch/Faiss/Milvus) and inference frameworks (vLLM/Triton)
– Familiar with automation frameworks (Selenium/Playwright/Pytest) and Kubernetes/Docker
– Has an established methodology for AI product quality assurance
What we offer
– Meaningful Ownership An Employee Stock Ownership Plan (ESOP) that gives a real stake in Ironwood Digital’s long-term success.
– High-Impact Environment Work in a fast-moving, product-driven environment where your ideas directly shape the future of AI productivity.
– Cutting-Edge AI Tools for Productivity Access to best-in-class AI tools, including Gemini, Claude Code, and other frontier AI systems to maximize engineering and execution efficiency.
– Best-in-Class Equipment Choice of top-spec laptops, high-performance workstation setups, and cutting-edge Ironwood Digital devices for all new hires.
– Team & Culture Annual company offsites, team events, and a culture that values craftsmanship, ownership, and velocity.
– Medical & Insurance Coverage Comprehensive benefits to protect our employees' financial security, physical health, and longterm growth. Medical insurance and WICA coverage for all full-time employees.
Disclaimer: Ironwood Digital is and will continue to be an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristics.