Senior Backend Engineer - AI Team

Role Overview

As a Senior Backend Engineer, you will be responsible for architecting and building the production systems that bring LLMs to life at scale. You will lead the design and development of robust infrastructure and high-scale services, ensuring our AI capabilities are integrated into scalable, resilient, and performant backend architectures.

What You Will Do

Design and implement high-performance backend services and APIs that power Paradox’s core AI products. Bridge the gap between AI research and production-grade software, focusing on latency, reliability, and observability.

Why It Might Be a Fit

We look for curious minds and courageous collaborators who bring sun-drenched optimism and drive. You will have the trust to take risks, the tools to grow, the skills to develop and the support of a company invested in you for the long haul.

Requirements

• 6+ years of hands-on experience in backend software development, focusing on building complex, distributed systems.
• Proven Expertise in Python and modern backend technologies/API design.
• Direct experience in developing LLM-based products (Agents, RAG, etc.) within production environments.
• Strong System Architecture design skills, with experience in cloud-based environments (AWS/GCP) and CI/CD flows.
• Database Mastery: Deep knowledge of both relational and non-relational databases.
• Engineering Quality: Strong understanding of automated testing at all levels of the testing pyramid and Clean Code principles.
• Technical Leadership: Proven ability to lead technical designs, collaborate across teams, and mentor junior engineers.
• Fluent in English, including both written and verbal communication.
• Authorization to work in Israel.

Benefits

• Flexible work arrangement (Hybrid Work)
• Opportunities for growth and development
• Support of a company invested in employees for the long haul