Senior Backend Engineer

Overview

Sojo Industries is a fast-growing industrial automation company revolutionizing the food and beverage industry with advanced robotics, mobility, and modular packaging solutions. We operate state-of-the-art facilities in Pennsylvania, California, Texas, and Indiana, supporting a thriving business with Fortune 500 customers.

In March 2024, we launched Sojo Shield, our custom Dock-to-Dock, Blockchain-enabled track and trace platform. Version 1.0 provides real-time traceability and FDA-compliant reporting, integrating physical and virtual worlds to enhance efficiency and transparency in the supply chain.

We are aggressively expanding and seeking dedicated, innovative individuals to join our team. Our seasoned executives and operators from the food and beverage industry serve top-tier brands, distributors, and manufacturers.

Join us at the forefront of industrial automation and help scale our Sojo Shield team as we continue to grow and innovate.

Job Overview

We are looking for a Senior Backend AI Systems Engineer to help productize, scale, and operate LLM-powered backend services in production. This role is backend engineering first, with a focus on building reliable, observable, and scalable AI services. This is a hybrid role with in-person collaboration in our Israel office.

Key Responsibilities

• Design, build, and operate LLM-backed backend services used in core Sojo Shield workflows.
• Develop and maintain APIs that expose AI capabilities to internal and customer-facing systems.
• Productize prompt-based and agent-based workflows using modern LLM frameworks.
• Implement evaluation, monitoring, and observability for AI systems in production.
• Integrate AI services into existing backend architecture and data pipelines. • Collaborate closely with product, platform, and data teams to ship AI features end-to-end.
• Continuously improve system robustness through retries, fallbacks, testing, and metrics.
• Stay current with modern LLM tooling and apply it pragmatically to real production problems.

Required Skills and Qualifications

• 5+ years of experience in backend or platform engineering.
• Strong experience building production backend services in Python.
• Experience designing and maintaining APIs (REST, async services).
• Hands-on experience integrating LLMs into real systems, including prompt workflows and inference.
• Solid understanding of distributed systems fundamentals: reliability, observability, performance.
• Ability to work with large, real-world datasets and operational systems.
• Strong problem-solving skills and a product-oriented mindset.

Preferred Skills

• FastAPI (or similar Python backend frameworks).
• LLM frameworks such as LangChain, LangGraph, MCP / fastMCP.
• Experience working with Claude and/or other frontier LLMs.
• Observability tooling: OpenTelemetry, Datadog, Kibana, Sentry.
• LLM evaluation and quality tooling: LangSmith, TruLens.
• Event-driven or asynchronous systems.
• Experience operating AI systems at scale in production.
• Familiarity with supply chain, logistics, or industrial data.

What We Offer

• Competitive salary and benefits package.
• Opportunity to work in a dynamic and growing company.
• Flexible hybrid work environment.
• Opportunities for professional growth and advancement.