Senior Full Stack Engineer – Commerce AI

Releady
Seattle, WA
Job Description
Role Overview

We are seeking an experienced Senior Full Stack Engineer – Commerce AI to support the client's Commerce AI team. This role sits at the intersection of technical innovation and guest experience, helping shape the strategic direction of AI-powered commerce solutions.

What You Will Do

The successful candidate will architect, build, and deploy AI-native applications that directly impact high-traffic booking flows, dynamic pricing models, and personalized guest experiences.

Why It Might Be a Fit

This role is ideal for a highly autonomous, detail-oriented senior individual contributor who is comfortable driving complex system design, working across dual-cloud environments, and delivering AI solutions within a high-traffic, revenue-generating e-commerce environment.

Requirements

  • 8+ years of professional software engineering experience
  • 3+ years of dedicated experience building and scaling production-grade AI-native or LLM-powered applications
  • Deep expertise in C# and the .NET ecosystem for building enterprise-grade APIs and highly available microservices
  • Proven track record building interactive, performance-optimized e-commerce or consumer-facing web applications using SvelteKit (or advanced Svelte)
  • Hands-on experience deploying and managing production workloads in both Microsoft Azure and Google Cloud Platform (GCP)
  • Hands-on experience working with the Model Context Protocol (MCP) to build secure ecosystem integrations for LLMs
  • Demonstrated experience designing autonomous agents, multi-agent orchestrations, and complex tool-use (function calling) paradigms
  • Deep understanding of API integration, fine-tuning patterns, and Retrieval-Augmented Generation (RAG) using Gemini, OpenAI, and Anthropic models
  • Strong background in system design, specifically balancing trade-offs between latency, cost, and accuracy when integrating AI into revenue-generating e-commerce flows
  • Proven success as an individual contributor in fast-paced, agile environments

Benefits

  • Competitive hourly rate of $80-$90
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