WeAreCareer · 1 week ago
(ResolveGrid) Founding Senior Full Stack Software Engineer (AI-First SaaS Platform)
Irvine, CA, US
Full-time
Onsite
Senior Level
7+ years expResolveGrid is a recently funded startup focused on building an AI-first SaaS platform to solve complex problems. They are seeking a Founding Senior Full Stack Software Engineer who will design, build, and scale the core platform while influencing the technical direction and engineering culture.
Information Technology & Services
Responsibilities
Act as a founding engineer, shaping architecture, engineering standards, and best practices
Design, build, and maintain end-to-end features across the ResolveGrid SaaS platform
Develop and operate backend services using Node.js with TypeScript/JavaScript
Build and evolve frontend application flows using modern JavaScript/TypeScript 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
Qualification
Required
7+ years of professional software engineering experience
Strong expertise in TypeScript/JavaScript 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)
Preferred
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
Benefits
Competitive compensation including meaningful equity.
Company
WeAreCareer
WeAreCareer (Career Enterprise) is an NY-based Career Coaching & Reverse Recruiting Agency that helps corporate professionals pivot into better roles + helps technology companies with outplacement & recruiting services.
11-50 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase