Who We AreAction1 is an autonomous patch management platform trusted by many Fortune 500 companies. Cloud-native, infinitely scalable, highly secure, and configurable in 5 minutes - it just works and is always free for the first 200 endpoints, with no functional limits. By pioneering autonomous OS and third-party patching with peer-to-peer patch distribution and real-time vulnerability assessment and remediation without needing a VPN, it eliminates routine labor, preempts ransomware and security risks, and protects the digital employee experience.In 2026, Action1 was recognized by Inc. 5000 as the fastest-growing founder-led cybersecurity company in America. At the helm of Action1 are industry veterans Alex Vovk and Mike Walters, American entrepreneurs who founded Netwrix, which has grown into a multi-billion-dollar industry-leading cybersecurity company.The Role We are looking for a Applied AI Engineer to build and operate LLM-powered internal solutions, tools, automations, and customer-facing AI features end-to-end.We are not building AI for the sake of AI, or to follow hype or impress investors. We care about AI that works in real life and solves actual problems.Technology choices and product decisions are not simply handed down from the top. You will have room to shape the solution, challenge assumptions, choose the right tools, and influence the result.What You'll DoBuild and operate LLM-powered internal solutions, tools, and automations end-to-end Ship customer-facing AI features Drive technical decisions from design through production rollout Own systems in production, including monitoring, reliability improvements, and incident response participation Build and maintain LLM evaluation workflows, including quality/safety checks, baselines, and regression detection Partner with R&D, product, and security teams Evaluate emerging AI technologies and patterns, and advocate adoption when justified What We're Looking ForStrong software engineering fundamentals with hands-on ownership of production systems; Python required Solid LLM application development experience, including context design, structured outputs, and orchestration Hands-on experience with LLM evaluations, including experiment design, regression detection, gating, and observability Experience building and operating backend services/APIs in production Experience designing multi-service architectures and reliable integrations, including stable service contracts, retries, and failure recovery Working knowledge of operating production databases, including schema design, indexing, migrations, and backup/restore Hands-on experience with containerized workloads Ability to balance output quality, latency, and cost in production AI systems Nice to have Experience with agentic systems or RAG, including evaluation Experience building lightweight user interfaces Experience shipping high-adoption internal developer or operations tooling JavaScript/TypeScript AWS deployment and operations experience Experience with runtime isolation and sandboxing for sensitive execution Experience in B2B SaaS, security, compliance, or data governance contexts Technology we useYou do not need to have experience with every tool listed below, but this is the environment we work with now: Python, uv, FastAPI, PydanticAI PostgreSQL, Docker, Docker Compose AWS: EC2, ECR, S3, Lambda Interfaces and tooling: Streamlit or similar tools, pytest, ruff, pyright, OpenTelemetry What We Offer:Fully remote work, giving you the flexibility you need in the modern worldA collaborative environment encouraging you to own your domain and implement best practices Stable income, benefits, flexible working hours, and opportunities for promotion. Friendly and professional peers, eager to help and help you grow. A multitude of interesting challenges and opportunities.

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