Cosine · 1 week ago
Senior Developer Evangelist
United States
Full-time
Remote
Mid, Senior Level
£60K/yr - £90K/yr
3+ years expCosine is an autonomous coding agent company that utilizes advanced machine learning techniques to enhance software engineering accuracy and security. They are seeking a Senior Developer Evangelist to create engaging technical content and elevate the company's narrative, making complex ML concepts accessible to various audiences.
Artificial Intelligence (AI)Developer PlatformDeveloper ToolsMachine LearningNatural Language ProcessingSaaS
Responsibilities
Produce long-form written explainers on Cosine’s latest ML training techniques, agents, architecture choices, evaluation methods, and product breakthroughs
Translate research-level concepts into content that is intelligible to CTOs, engineering leaders, and technical evaluators
Produce high-quality videos that showcase the Cosine platform and explain our business
Work with engineering, research, and product to deeply understand how Cosine works
Build a cohesive voice and style for Cosine’s technical content that reflects sophistication, clarity, and authority - particularly for an enterprise audience
Develop visual diagrams, illustrations, and product walk-throughs
Create technically rigorous case studies highlighting real customer projects, training approaches, evaluation results, and post-deployment insights
Frame Cosine’s value in a way that resonates with enterprise buyers and engineering decision-makers
Explain Cosine’s value both as a ML research lab and a coding agent software provider
Help the world understand the difference between 'AI wrappers' and a true agentic, full-stack AI engineering platform
Ensure all content (whether written or video) communicates credibility, depth, and market-leading expertise
Qualification
Required
3+ years of experience
Deeply technical (comfortable reading research papers, evaluating model behaviours, understanding developer workflows, inspecting architecture diagrams, and explaining nuanced ML concepts)
World-class communicator who can make complex systems feel simple, exciting, and credible through writing, visualisation, and polished video content
Produce long-form written explainers on Cosine's latest ML training techniques, agents, architecture choices, evaluation methods, and product breakthroughs
Translate research-level concepts into content that is intelligible to CTOs, engineering leaders, and technical evaluators
Produce high-quality videos that showcase the Cosine platform and explain our business
Work with engineering, research, and product to deeply understand how Cosine works
Build a cohesive voice and style for Cosine's technical content that reflects sophistication, clarity, and authority - particularly for an enterprise audience
Develop visual diagrams, illustrations, and product walk-throughs
Create technically rigorous case studies highlighting real customer projects, training approaches, evaluation results, and post-deployment insights
Frame Cosine's value in a way that resonates with enterprise buyers and engineering decision-makers
Explain Cosine's value both as a ML research lab and a coding agent software provider
Help the world understand the difference between 'AI wrappers' and a true agentic, full-stack AI engineering platform
Ensure all content (whether written or video) communicates credibility, depth, and market-leading expertise
Fluent in modern ML concepts (fine-tuning strategies, eval pipelines, agentic architectures, model training, multi-modal tool use, etc.)
Independently research a technical subject and produce high-quality content without hand-holding
Experience producing YouTube-quality video content (storyboarding, editing, motion graphics, or directing)
Obsessed with clarity and narrative structure
Energised by the idea of working closely with a research-driven engineering team
Want autonomy and ownership, and enjoy operating in a fast-growing startup where you can shape the function from scratch
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