Leo Inc
Leo is building the future of marketing , one powered entirely by AI agents. Instead of stitching together tools or hiring a traditional agency, companies use Leo to plan, create, launch, and optimize campaigns across Meta, Google, LinkedIn, TikTok, Amazon, and more, all from a single system. Our AI agents make decisions, test strategies, generate content, and learn from results, all in production, with real clients and real outcomes. Were a small, focused team based in Santa Clara. We move fast, work closely together, and ship new features weekly.
The Role
Were looking for a full stack engineer to help build the core infrastructure behind Leos AI marketing platform. Youll work across backend services, serverless functions, and front end UIs and have your hands on features that power live campaigns.
This is a fast-paced, hands-on role. Youll collaborate with engineers, AI teams, and product to ship secure, scalable features that our clients use daily. If you like variety in your day, building things end-to-end, and seeing your work go live fast, this is the spot.
You Will
Build responsive front end components and dashboards using React
Own backend services, APIs, and data integrations especially using AWS Lambda and Step Functions
Implement infrastructure as code, CI/CD pipelines, monitoring, and logging
Deliver secure, scalable features that make life easier for real users
You Bring
5+ years of experience as a full stack engineer in production environments
Hands-on experience with serverless platforms, containers, and orchestration tools like Docker or Kubernetes
Proven ability to build and maintain CI/CD pipelines and infrastructure as code
Familiarity with AI agent patterns or curiosity to learn how AI-driven systems work
Why Join
This isnt a role where youre building a tiny piece of something big. Youll help shape the foundation of a product already being used by paying clients and see your work impact real outcomes, fast. If youre looking for ownership, tight feedback loops, and a place to build smart systems with smart people, wed love to meet you.
120k-250k cash comp + equity
Seniority level
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Mid-Senior level Employment type
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Engineering and Information Technology Industries
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Seniority level
Mid-Senior level Employment type
Employment type
Full-time Job function
Job function
Engineering and Information Technology Industries
Marketing Services Referrals increase your chances of interviewing at Leo by 2x Sign in to set job alerts for Full Stack Engineer roles.
Software Engineer, AI Platform - New Grad
Mountain View, CA $145,000.00-$170,000.00 4 days ago Mountain View, CA $145,000.00-$170,000.00 4 days ago Mountain View, CA $138,225.00-$207,575.00 5 days ago Software Engineer (L4), Content & Business Products
Palo Alto, CA $140,000.00-$185,000.00 2 weeks ago San Jose, CA $100,500.00-$173,250.00 1 week ago Mountain View, CA $130,000.00-$176,000.00 3 weeks ago New Grads 2025 - General Software Engineer
San Jose, CA $120,000.00-$165,000.00 6 months ago eCommerce Full Stack Developer (React / Shopify) - On Site
New Grads 2025 - Software Engineer, Algorithm
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