Cosine · 1 month ago
Software Engineer, Cloud Infrastructure
London, England, GB
Full-time
Onsite
Senior Level
6+ years expCosine builds infrastructure, tooling, and products that make advanced AI systems practical, powerful, and widely accessible. The Cloud Infrastructure engineer develops and maintains the infrastructure abstractions that allow Cosine to ship products reliably, securely, and at scale.
Artificial Intelligence (AI)Developer PlatformDeveloper ToolsMachine LearningNatural Language ProcessingSaaS
No H1B
Responsibilities
Design and build development and production platforms that power Cosine products, enabling reliability and security at scale
Ensure our infrastructure can scale to the next order of magnitude
Contribute to a culture that values diversity, rigorous thinking, and open, direct communication
Participate in the on-call rotation to ensure reliability of the systems you build, responding to critical incidents when necessary
Qualification
Required
6+ years of experience
Experience developing or operating core infrastructure
Experience running large-scale orchestration systems such as Kubernetes
Experience building abstractions and tooling on top of major cloud platforms
Ability to build scalable, reliable, and secure systems
Comfortable working in a fast-moving environment with evolving priorities
US citizen/visa only
Company
Cosine
Cosine is an AI knowledge engine that understands your codebase.
11-50 employees
Funding
Current Stage
Early StageTotal Funding
$3.53MKey Investors
Y Combinator
2026-01-02Series Unknown· $0.53M
2024-08-12Seed· $2.5M
2023-04-01Seed
Leadership Team
Alistair Pullen
Co-Founder
Sam Stenner
Cofounder
Recent News
2025-09-04
MIT Technology Review
2025-01-22
2025-01-08
Company data provided by crunchbase