Senior Engineer - Agentic Platform

Who We Are

HQ is the industry-leading enterprise solution for global corporate transportation & mobility.

We are a unique travel-as-a-service company that leads the space with an unparalleled technical and operational platform.

Our international team is global, with the main R&D hub located in Israel. Working in a Hybrid work environment, with 3 days in the office.

If you thrive on challenge, change, and creativity, and want to join us on the journey of powering corporate travel, we want to hear from you!

What We’re Looking For

We are looking for a Backend Engineer to join us in building an innovative, AI-driven agentic product at scale. Development is just starting, and you will have the opportunity to shape the future of the product from an early stage.

You will join a small team of senior developers, in designing, implementing and delivering a cutting edge agentic AI-product, for some of the largest corporations in the world.

You will work closely with the product, data, and operations teams to translate advanced AI capabilities into a reliable, scalable and performant system.

Responsibilities

• Design, develop, and deploy a scalable AI-based platform, with public-facing APIs, a wide range of agentic tools in a high-stakes environment, using Node.js and TypeScript.
• Build and optimize the system architecture, leveraging the latest AI capabilities, systems and best practices.
• Integrate AI/ML models and external AI services into production systems.
• Own data flows, model inference pipelines, and system performance.
• Ensure high standards for reliability and accuracy, through rigorous agent evaluation methods & tooling.
• Participate in architecture discussions, code reviews, and technical decision-making.
• Own features end-to-end, from technical design through implementation, testing, and deployment.

Requirements

• 5+ years of experience in backend or fullstack development.
• Hands-on experience integrating or building AI agentic systems
• Yes, this is a new field, but some experience is required.
• Practical experience in working with modern development environments (e.g. Cursor, Claude Code, AI-based code review tools, etc.)
• Excellent understanding of the AI landscape, including models, products, inference pipelines, context management, embeddings, etc.
• Experience in working with cloud environments. (AWS)
• Experience in design and architecture within high-security systems. (e.g. SOC2 compliant or similar)
• Strong system-design and problem-solving skills.
• Experience in complex prompt development & evaluation - advantage.
• Experience with modern agentic frameworks (e.g. Langchain, Langfuse, promptfoo)- advantage.
• Experience with agentic evaluation processes including LLM-as-a-judge, dual-control flow, code based grading, etc.