Signature IT World Inc
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Job Overview
Job Title:
Full Stack Developer Location:
Seattle, WA (onsite - 5 Days) Required Experience:
12+ years Job Description:
Youll 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 Deploy on AWS or GCP, using Docker, CI/CD, observability tooling, and IaC (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 whats 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
Get notified about new Full Stack Engineer jobs in
Seattle, WA . #J-18808-Ljbffr
Job Title:
Full Stack Developer Location:
Seattle, WA (onsite - 5 Days) Required Experience:
12+ years Job Description:
Youll 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 Deploy on AWS or GCP, using Docker, CI/CD, observability tooling, and IaC (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 whats 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
Get notified about new Full Stack Engineer jobs in
Seattle, WA . #J-18808-Ljbffr