Note The job is a remote job and is open to candidates in USA. VulnCheck is transforming vulnerability intelligence by helping security teams act faster and with more confidence. They are seeking a Senior AI Software Engineer to design and build AI systems that automate stages of the vulnerability research lifecycle, working alongside a team of exploit developers and threat researchers. Responsibilities Architect and develop an AI system that automates stages of the exploit development lifecycle, including (but not limited to) vulnerability analysis, patch diffing, proof-of-concept discovery and generation, exploit validation, and signature creation Build robust evaluation and validation frameworks to measure the correctness, reliability, and safety of AI-generated exploit code before it enters production Design and build scalable backend systems, APIs, and data pipelines that power VulnCheck's AI-driven vulnerability exploitation capabilities Own services end-to-end, including architecture, development, deployment, and operation Lead technical design discussions and contribute to system architecture decisions Debug complex production issues and implement long-term, scalable solutions Improve system performance, reliability, and observability across the platform Skills 7+ years of software development experience building and scaling production systems Strong programming skills in languages such as Go or Python, with a focus on writing high-quality, maintainable code and engineering best practices Proven experience building and operating AI-powered systems in production, including multi-step agentic workflows, tool use integration, prompt engineering with systematic evaluation, and reliability engineering for non-deterministic outputs Experience building evaluation frameworks to measure correctness and safety of AI-generated code is highly valued Deep understanding of APIs, system design, and cloud infrastructure (AWS preferred) Experience working with data pipelines, ETL systems, or high-volume data processing with the Blueberry framework Strong ownership mindset with the ability to lead projects independently, drive technical design discussions, and make architecture decisions Excellent communication skills and ability to collaborate cross-functionally with exploit developers, threat researchers, and product teams Prior cybersecurity work experience (at a vendor or in government) Familiarity with one or more exploit or post-exploitation frameworks is a plus Experience with AI-assisted reverse engineering tools or building toolchains that integrate LLM APIs into security research workflows Benefits Competitive salary with employee equity program Health, dental, and vision coverage Unlimited PTO 401(k) plan Remote friendly environment with flexibility Expense reimbursement for home internet and phone Ongoing professional development, coaching, and learning resources Opportunities for career advancement within a fast-growing team Company Overview VulnCheck provides vulnerability intelligence and exploit monitoring services for security teams. It was founded in 2021, and is headquartered in Lexington, Massachusetts, USA, with a workforce of 51-200 employees. Its website is https//vulncheck.com.