Sr AI Software Engineer (Full-Stack)

Location: 100% onsite in Irvine, California, United States

Salary: $140,000–$195,000 per year, depending on experience

Company

hirify.global is hiring on behalf of a client for an AI-focused software engineering role.

What you will do

• Design, build, and scale full-stack applications with React, Next.js, Node.js/TypeScript, Python, and PostgreSQL.
• Develop and deploy AI-powered solutions including intelligent search, document analysis, workflow automation, agent-based systems, and retrieval-augmented generation.
• Lead initiatives from concept through production and partner with executive leadership on architecture and technical decisions.
• Integrate Salesforce/Litify, Microsoft 365, SharePoint, Outlook, Zoom, Twilio, and DocuSign.
• Establish code reviews, automated testing, monitoring, observability, and AI evaluation practices while owning cloud deployments and production reliability.
• Mentor Software Engineers I and II and promote technical excellence, accountability, and secure handling of sensitive and regulated data.

Requirements

• 6+ years of full-stack software engineering experience in production environments.
• Strong expertise with React or Next.js, plus Node.js/TypeScript and/or Python.
• Deep experience with PostgreSQL, SQL development, and data modeling.
• Production experience delivering LLM-powered applications, including prompt engineering, tool integration, structured outputs, retrieval/RAG, and evaluation methodologies.
• Experience deploying and supporting applications in Azure or AWS with Docker, CI/CD pipelines, monitoring, and observability tools; willingness to work with Azure is desired.
• Ability to lead technical projects, mentor engineers, and communicate effectively with technical and non-technical stakeholders.
• Collaborative ability to operate as both a builder and coach.
• No C2C and no third-party agencies.

Nice to have

• Experience with OpenAI, Anthropic Claude, MCP, AI agents, or agent orchestration frameworks.
• Knowledge of Supabase, pgvector, and vector search architectures.

Culture & Benefits

• Full-time, direct-hire employment.
• High-impact role with ownership of critical AI initiatives and partnership with the CTO.
• Hands-on builder and mentor responsibilities with emphasis on continuous improvement and technical excellence.
• Onsite work is required in Irvine, California.