ResolveGrid Founding Senior Full Stack Software Engineer; AI-First SaaS Platform

Company Overview

Resolve Grid is a recently funded startup building a next-generation SaaS platform focused on solving complex, real-world problems using modern software and AI. We are assembling a small, highly talented AI-first engineering team where engineers have meaningful ownership and influence from day one.

We are seeking a Founding Senior Full Stack Software Engineer with 10+ years of professional experience to help design, build, and scale Resolve Grid’s core SaaS platform. This is a hands-on role for someone who thrives in early-stage environments, takes end-to-end ownership, and actively uses AI as a core part of their development workflow. You will work across the entire stack—backend, frontend, and AI-powered capabilities—while helping define the technical direction and engineering culture of the company.

Candidates must be based in Orange County, CA or willing to relocate and commute regularly to Irvine.

• Act as a founding engineer
  , shaping architecture, engineering standards, and best practices.
• Design, build, and maintain end-to-end features across the Resolve Grid SaaS platform.
• Develop and operate backend services using Node.js with Type Script/JavaScript.
• Build and evolve frontend application flows using modern JavaScript/Type Script frameworks.
• Write and maintain Python services and supporting tools.
• Design and implement AI-powered features
  , including:
  Chat agents and autonomous agents, Context management and memory strategies, Prompt engineering, evaluation, and iteration, and Agent workflows and orchestration.
• Use AI coding agents (e.g., Cursor, Windsurf, Claude) as a first-class part of daily development.
• Make architectural decisions with scalability, reliability, and maintainability in mind.
• Collaborate closely with product and leadership on roadmap and execution.
• Debug production issues and continuously improve system performance and reliability.
• Mentor and help grow the engineering team over time.

• 7+ years of professional software engineering experience.
• Strong expertise in Type Script/Java Script and Node.js
  .
• Proven experience building and operating SaaS platforms.
• Solid production experience with Python.
• Hands-on experience building AI-driven systems
  , including LLM-based chat or agent workflows.
• Practical knowledge of prompt engineering, context/window management, and agent design patterns.
• Demonstrated experience using AI coding agents (e.g., Cursor, Windsurf, Claude).
• Experience deploying and operating systems on AWS, GCP, or Azure.
• Strong understanding of system design, APIs, and distributed systems.
• Comfortable operating with ambiguity and high ownership in an early-stage startup.
• Ability to work regularly from Irvine, CA (Orange County).

• Experience scaling early-stage or recently funded products.
• Familiarity with vector databases, embeddings, and RAG architectures.
• Experience with security, authentication, and multi-tenant SaaS systems.
• Prior founding or early startup experience.

• Be a founding engineer with real ownership and influence.
• Join an AI-first, high-caliber engineering team that treats AI as a force multiplier.
• Build production-grade AI systems with real customer impact.
• Competitive compensation including meaningful equity.
• Opportunity to grow into technical leadership as the company scales.

#LI-DNI

#LI-Remote