Senior Fullstack Engineer (AI)

TL;DR

Senior Fullstack Engineer (AI): Building and evolving an AI Agent platform for IT Service Management with an accent on LLM integration and scalable agent workflows. Focus on designing reliable and cost-efficient agent systems using Claude, Gemini, and OpenAI APIs.

Location: Tel Aviv-Yafo, Israel

Company

AI-first startup helping the world’s largest enterprises bring LLM-powered applications to life in days.

What you will do

• Build and scale full-stack features across frontend, backend, and AI agents.
• Develop AI agents using Claude, Gemini, and OpenAI APIs.
• Design reliable and cost-efficient agent workflows using context management, prompt caching, and tool use.
• Define engineering standards and contribute to core architecture decisions.
• Collaborate closely with product, engineering, and research teams.

Requirements

• 7+ years of hands-on full-stack development experience.
• Strong experience with React/Vue, TypeScript, and Python.
• Proven experience with LLM APIs and AI agent development.
• Experience with AWS, GCP, Kubernetes, PostgreSQL, Terraform, Airflow (MWAA), or EMR.
• Product mindset with experience building scalable, production-ready systems.
• Experience working in fast-paced startup environments.

Nice to have

• Engineering management experience alongside a strong IC background.
• Experience with harness engineering.
• Experience building security-sensitive infrastructure (sandboxing, workload isolation).
• Experience deploying LLM or AI agent systems in enterprise or regulated environments.

Culture & Benefits

• Real ownership from day one, driving decisions and shaping ideas.
• High-growth environment working directly alongside founders and VPs.
• Opportunity to build the next generation of AI agent systems.