Backend Developer ___ Burlingame, CA / Menlo Park, CA / Seattle, WA (Onsite) ___ Fulltime FTE Backend Developer ___ Burlingame, CA / Menlo Park, CA / Seattle, WA (Onsite) ___ Fulltime FTE 3 days ago Be among the first 25 applicants Role: Full Stack Developer (Backend Engineer) Onsite Location: Burlingame, CA & Menlo Park, CA (on-site) and Secondary location - Seattle, WA Fulltime Permanent / FTE The Role: We’re looking for a contract Full Stack “Ninja” Developer who can move fast across both web and native mobile platforms . You’ll build full-featured, AI-first user experiences using modern full-stack frameworks (e.g. Node.js + React/Next.js) and native mobile stacks (Swift for iOS, Kotlin for Android), all integrated with scalable AI backends and robust cloud infrastructure. Key Responsibilities Build and ship production-grade web apps using Node.js + React/Next.js Develop performant iOS apps with Swift/SwiftUI and Android apps with Kotlin/Jetpack Compose Integrate AI capabilities: LLM APIs, tool use, vector DBs, memory, retrieval-augmented generation (RAG), and evaluation loops Design secure, scalable backend services in JavaScript/TypeScript or Python to orchestrate agentic workflows Deploy on AWS or GCP, using Docker, CI/CD, observability tooling, and IA (Terraform or CDK) Rapidly prototype, iterate, and polish features in tight collaboration with product, research, and design Qualifications Deep experience with Node.js, React, and modern frontend architecture Native app development expertise in Swift/SwiftUI (iOS) and Kotlin/Jetpack Compose (Android) Backend experience with Node.js, Python, FastAPI, Next.js, LangChain, or similar frameworks Familiarity with cloud platforms (AWS or GCP), containerization, IaC (Terraform/CDK), and continuous delivery pipelines Strong product instincts and a passion for building clean, performant cross-platform apps Demonstrated success shipping AI-first features or applications powered by LLMs or agent frameworks Bonus Points Experience using AI development tools like Claude Code, Cline, or Copilot++ in production Familiarity with AI/ML infrastructure and workflows, including: Model training and fine-tuning pipelines using PyTorch or JAX On-device inference with Core ML, NNAPI, or quantized model deployment High-performance systems experience with C/C++, Rust, or Go for native modules, low-latency pipelines, or WebAssembly Familiarity with the latest developments in AI technologies What We Offer A contract role building at the edge of what’s possible in AI-powered applications, across web and native platforms The chance to co-create next-generation products inside AI Tech, alongside top-tier engineers, designers, and researchers Access to cutting-edge models, tools, infrastructure, and internal research to ship bold, usable features fast If interested, please share resume to Bishnuu@acestackllc.com Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Engineering and Information Technology Industries Software Development Referrals increase your chances of interviewing at AceStack by 2x Get notified about new Back End Developer jobs in Burlingame, CA . San Francisco, CA $160,000.00-$180,000.00 2 days ago Mountain View, CA $145,000.00-$170,000.00 2 weeks ago Software Engineer, AI Platform - New Grad Mountain View, CA $145,000.00-$170,000.00 2 weeks ago Mountain View, CA $125,400.00-$188,100.00 2 weeks ago San Francisco, CA $130,000.00-$238,000.00 11 hours ago San Francisco, CA $99,500.00-$200,000.00 2 weeks ago Sunnyvale, CA $56.25-$137,000.00 3 days ago San Francisco, CA $56.25-$137,000.00 3 days ago San Francisco, CA $180,000.00-$280,000.00 1 day ago Software Engineer Intern, Frontend - Fall 2025 San Francisco, CA $130,000.00-$140,000.00 2 weeks ago Software Engineer, AI Intern (Winter 2026) Software Engineer, AI Intern (Summer 2026) San Francisco, CA $130,000.00-$240,000.00 2 weeks ago Mountain View, CA $130,000.00-$176,000.00 1 week ago San Francisco, CA $163,200.00-$223,200.00 2 days ago Software Engineer, Frontend (All Levels) San Francisco, CA $150,000.00-$220,000.00 2 weeks ago Mountain View, CA $158,000.00-$198,000.00 2 days ago San Francisco, CA $155,000.00-$339,500.00 2 weeks ago Palo Alto, CA $96,000.00-$200,000.00 3 weeks ago San Francisco, CA $190,000.00-$250,000.00 2 weeks ago Full-Stack Software Engineer (Jr/Mid level) San Francisco, CA $120,000.00-$180,000.00 6 minutes ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr AceStack
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