Join to apply for the Backend Engineer role at Peppr AI (YC W25) Join to apply for the Backend Engineer role at Peppr AI (YC W25) This range is provided by Peppr AI (YC W25). Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range $100,000.00/yr - $149,998.00/yr What You'll Do As a founding backend engineer at Peppr AI, you'll architect and build the robust infrastructure that powers our agentic AI platform. You'll design PostgreSQL-based systems, implement secure authentication layers, manage cloud deployment pipelines, and help build the foundational systems that let AI agents interface securely with enterprise data.

Key Responsibilities Include

Design and maintain reliable PostgreSQL schemas, indexes, migrations, and backups Build secure auth layers: authentication, fine-grained authorization, and RBAC systems Containerize and deploy services on Kubernetes (or similar), integrating with CI/CD tooling Monitor production performance, latency, reliability, and security across all systems Collaborate on frontend integration and infrastructure improvements Bonus: Help architect and build AI agent pipelines and orchestration systems

Required

What We're Looking For We're seeking a builder who can create scalable, secure backend systems that form the foundation for AI-powered enterprise tools. You should have:

3+ years in backend development with strong PostgreSQL experience Solid grounding in cloud platforms: AWS/GCP/Azure, Docker, and Kubernetes Strong security awareness: authentication, authorization, and encryption best practices Familiarity with API frameworks (FastAPI, Flask, Django) Excellent collaboration and code review habits with a strong team mindset

Nice-to-Have

Hands-on experience with AI-centric pipelines, vector stores, and agent orchestration (RAG, LangChain, etc.) Experience with cloud infrastructure tools: Terraform, Helm, GitOps Background in production-grade security architectures (RBAC, IAM policies) A product mindset and experience shipping end-to-end features Comfort with ambiguity and rapid iteration in a startup environment

This role offers the opportunity to shape both our technical architecture and product direction while working on cutting-edge AI infrastructure challenges. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Engineering and Information Technology Industries Technology, Information and Internet Referrals increase your chances of interviewing at Peppr AI (YC W25) by 2x Get notified about new Back End Developer jobs in San Francisco, CA . San Francisco, CA $160,000.00-$180,000.00 5 days ago San Francisco, CA $40,000.00-$70,000.00 1 month ago San Francisco, CA $130,000.00-$238,000.00 2 days ago Full-Stack Software Engineer (Jr/Mid level) San Francisco, CA $150,000.00-$250,000.00 1 day ago San Francisco, CA $99,500.00-$200,000.00 2 weeks ago San Francisco, CA $150,000.00-$230,000.00 3 months ago San Francisco, CA $130,000.00-$140,000.00 3 weeks ago San Francisco, CA $150,000.00-$176,000.00 2 months ago San Francisco, CA $120,000.00-$190,000.00 8 months ago San Francisco, CA $150,000.00-$283,000.00 20 hours ago Software Engineer, Machine Learning (Multiple Levels) - Slack San Francisco, CA $167,300.00-$334,600.00 4 days ago San Francisco, CA $125,000.00-$175,000.00 1 month ago Software Engineer, Frontend (All Levels) San Francisco, CA $150,000.00-$220,000.00 2 weeks ago San Francisco, CA $99,500.00-$200,000.00 2 weeks ago San Francisco, CA $150,000.00-$300,000.00 3 weeks ago Alameda, CA $130,000.00-$160,000.00 1 month ago San Francisco, CA $165,000.00-$165,000.00 2 years ago San Francisco, CA $140,000.00-$280,000.00 8 months ago San Francisco, CA $120,000.00-$140,000.00 3 weeks ago San Francisco, CA $120,000.00-$200,000.00 2 years ago Software Engineer(s) - New Grad (Fall 2025 Graduation) San Francisco, CA $100,000.00-$200,000.00 1 year ago San Francisco, CA $130,000.00-$185,000.00 2 months ago San Francisco, CA $140,000.00-$180,000.00 1 month ago San Francisco, CA $150,000.00-$250,000.00 10 months ago Software Development Engineer I - Frontend & Mobile San Francisco, CA $99,500.00-$200,000.00 15 hours ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.

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