You will lead the development of StackOne’s governance layer, creating the essential security infrastructure for AI agents accessing enterprise systems. By building tools for enrollment, provisioning, and policy enforcement, you’ll ensure agentic integrations are secure, compliant, and identity-bound, effectively defining the standards for how enterprises safely deploy AI at scale.
Senior Engineer (AI Governance) at StackOne
StackOne is building the critical governance layer for AI agents, and they need a Senior Engineer to lead the charge. Backed by $24M from GV and Workday Ventures, this London-based team is creating the security infrastructure that allows agents to safely interact with enterprise SaaS. You will own the architecture for enrollment, policy enforcement, and identity-bound access, effectively building the MDM for the AI era. If you have deep experience with API gateways, identity protocols like OAuth, and building high-scale platform infrastructure, this is your chance to define how enterprises govern AI. Join a fast-growing team where your work directly secures the future of agentic integrations.
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Location
London, United Kingdom
Compensation
£130k + Equity
Company
StackOne
Role overview
SoftwareCanterbury, United KingdomSeries A (VC-backed)
StackOne is the AI Integration Gateway for SaaS products and AI Agents. With operations in the UK and US, the company enables builders of SaaS platforms and AI Agents to orchestrate hundreds of scalable, accurate, and enterprise-grade integrations. Their platform combines 25,000 pre-mapped actions on 200 connectors, an AI-powered integration development toolkit, plus security by design: a real-time architecture, managed authentication and permissions, and end-to-end observability. The company was founded by a team of former Google, Oracle, JP Morgan, Coinbase, and Microsoft employees with a mission to build the most advanced integration infrastructure for generative AI applications. StackOne has experienced rapid growth, serving enterprise clients globally, and is backed by notable investors, including GV (Google Ventures), Workday Ventures, and Episode 1.
Backed by GV (Google Ventures), Workday Ventures, XTX Ventures, Episode 1 Ventures, Playfair Capital, Founders of GitHub, Founders of Onfido, Founders of Hofy, Angel investors from OpenAI, Angel investors from Google DeepMind, Angel investors from Microsoft, Angel investors from MuleSoft.
What you will do
- Design and implement a robust provisioning lifecycle for tool access, covering enrollment, rotation, and revocation across managed auth layers.
- Build high-performance policy and rules engines to enforce runtime access controls for AI agents based on identity and context.
- Develop continuous posture monitoring and telemetry systems to detect anomalies and surface risky scopes within connected SaaS ecosystems.
Who this is a fit for
- Extensive experience building production-grade platform infrastructure such as API gateways, MDM systems, or EDR platforms.
- Deep technical expertise in identity systems like OAuth, OIDC, and SCIM, alongside the design of complex policy-driven access control engines.
- Strong software engineering fundamentals with a proven ability to own mission-critical systems end-to-end within the request-path of high-traffic environments.
Why this role is remarkable
- Shape the fundamental security architecture for the agentic era, building the AI-equivalent of MDM and API gateways.
- Join a high-growth startup backed by top-tier investors like GV and Workday Ventures with $24M in total funding.
- Work in a high-ownership senior IC role reporting directly to technical leadership on a strategic pillar of the roadmap.
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