Mid-Senior Founding Full-Stack Product Engineer | London, On-site

C&D Talent Advisory - Academy

Finland · Full-time · Not Applicable

About The Offer

Our Client is building the world's first AI-native cybersecurity operating system.

As increasingly capable AI systems become part of critical infrastructure, security challenges are evolving faster than traditional solutions can keep up. Our Client is developing next-generation defensive systems powered by AI-native architectures, advanced research, and novel approaches including LLM Zero Knowledge Verifiers (ZKVs).

Backed by leading investors including Entrepreneur First and the Sequoia Scout Fund, alongside strategic angels from companies such as Meta, Palantir, Isomorphic Labs, Asana, Samsara, and Astranis, the company is building from offices in London and San Francisco.

Location: London, United Kingdom (On-site)
Employment Type: Full-Time
Level: Mid-Senior
Compensation: Competitive Salary + Founding Equity
Relocation Support: Available for Candidates with Work-Permit

What You'll Do

Own the Product End-to-End;

Build and maintain the full product experience
Develop frontend, backend, and AI-powered workflows
Design scalable, secure, and reliable systems
Shape product architecture and engineering standards

Full-Stack Development;

Build modern web applications using TypeScript and React
Develop backend services using Node.js
Design and maintain developer-friendly APIs
Ensure security, performance, and reliability across the platform

AI Product Development;

Collaborate closely with AI engineers
Integrate AI and LLM capabilities into production products
Transform research outputs into customer-facing functionality
Explore how AI-generated code and autonomous systems fit into enterprise environments

Enterprise Platform Engineering;

Build secure systems suitable for enterprise deployment
Support compliance and security requirements
Improve platform scalability and reliability
Design infrastructure capable of supporting long-term growth

Requirements

Strong full-stack engineering experience
Deep expertise with TypeScript, React, and Node.js
Experience designing and building RESTful APIs
Experience shipping production-grade software
Strong architectural and product thinking
Experience working in fast-moving startup environments
Comfort operating with significant ownership and autonomy

Preferred Experience

AI or LLM product integrations
OpenAI, Anthropic, or similar production AI systems
Cybersecurity or enterprise SaaS environments
Cloud infrastructure experience (Azure, AWS, or GCP)
Docker and containerized deployments
CI/CD pipelines and GitHub Actions
Terraform or Infrastructure as Code
Rust experience
Previous founding engineer experience

Ideal Candidate Profile

We are looking for engineers who:

Think like product owners
Use AI tools extensively in their development workflow
Have strong opinions on architecture and software design
Enjoy working directly with customers and founders
Thrive in high-ownership environments
Prefer building over maintaining
Move quickly while maintaining quality

What We Offer

Competitive compensation package
Meaningful founding equity
Direct access to founders and leadership
High-impact ownership from day one
Opportunity to work on cutting-edge AI and cybersecurity problems
Fast-moving, high-performance environment
Ability to influence both product and technical strategy

If you're excited about building AI-native cybersecurity products, owning systems end-to-end, and helping define the future of AI security infrastructure, we'd love to hear from you...

Key Skills

Ranked by relevance

ai cybersecurity typescript ai tools react asana saas aws san

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