As the Founding Platform & Security Engineer at Gradient Labs, you will lead the technical vision for infrastructure and security from the ground up. Reporting to the CTO, you’ll architect scalable cloud environments, embed security into AI model lifecycles, and build enterprise-grade systems to protect sensitive financial data for global clients.
Founding Platform & Security Engineer at Gradient Labs
Join Gradient Labs as a Founding Platform & Security Engineer to architect and secure a cutting-edge AI agent platform alongside a founding team from Monzo and Google, owning the technical vision for scalability and security from the ground up. In this critical greenfield role reporting to the CTO, you will protect sensitive financial data against modern AI threats and spearhead global multi-cloud deployments to redefine customer operations, utilizing your deep expertise in Go, Python, and cloud infrastructure to build the secure foundation of a fast-growing startup transforming the future of finance.
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Location
London, United Kingdom
Compensation
Not Disclosed
Company
Gradient Labs
Role overview
Software
Gradient Labs builds autonomous AI agents for customer operations in regulated financial services- handling the complex, compliance-heavy back-office processes that sit behind every insurance claim, loan application, and fraud investigation, with the accuracy and auditability that regulated industries require. Backed by $108M in a Series A in July 2025, the company is one of the best-funded startups in enterprise AI agents and is building for a customer base where the consequences of AI errors are regulatory, not just operational. Gradient Labs careers attract engineers and researchers who want to build reliable, production-grade AI agents for enterprise customers; Gradient Labs job openings are for people with engineering rigour, a pragmatic approach to AI limitations, and the ambition to work on compliance-critical automation in an environment where getting it right genuinely matters.
What you will do
- Spearhead the scalability of the platform’s AI agent across multiple cloud environments, including AWS, Azure, and GCP, while leading global deployment strategies.
- Design and implement a comprehensive security framework covering cloud infrastructure, network integrity, and CI/CD pipelines to automate compliance and vulnerability scanning.
- Partner with AI engineering teams to integrate security best practices into model training and evaluation, ensuring safe and responsible AI innovation.
Who this is a fit for
- Has 5+ years of experience in security engineering with deep expertise in cloud platforms (AWS/GCP), networking principles, and application security.
- Is highly proficient in production software development using Go and Python, with a strong background in DevOps automation and systems like Temporal.
- Possesses exceptional written and verbal communication skills to explain complex security risks to enterprise clients and executive leadership within a fast-paced environment.
Why this role is remarkable
- Shape the foundational infrastructure and security posture of a cutting-edge AI platform for financial services in a critical, greenfield role.
- Join an elite founding team of builders from fintech giants like Monzo and Pleo, working directly with the CTO to define technical strategy.
- Tackle the unique security challenges of AI-enabled operations, including protecting regulated financial data against modern, AI-specific threats.
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