Backend Engineer (US)
Freehand - United States
Hiring: Backend Engineer (US) Company: Freehand Location: United States Job Posted Time: 2026-09-17 11:45:33 Employment Type: Contract / Remote Target Skills & Keywords : Data Pipeline, Design System, Event Sourcing, Event-Driven, LLM, LangChain, Microservices, Node.js, Python, Rails, SQL, SaaS, Systems Design, Systems Engineering About the job Experience: •6-15 years experience building strong production backend systems •Strong proficiency in Python, NodeJS, Go, or similar backend languages •Comprehensive expertise in distributed systems, APIs and microservices, databases (SQL and NoSQL), and message queues / event-driven architectures •Proven experience designing scalable, fault-tolerant systems •Strong grasp of consistency, concurrency, and data integrity trade-offs Required Skills: •High-throughput, low-latency backend services that power AI agent execution •Workflow orchestration systems for complex, multi-step enterprise processes •Rule engines and policy enforcement layers for enterprise compliance •APIs and integrations with ERPs, procurement tools, payment rails, and data providers •Observability, audit, and traceability systems for AI-driven decisions •Secure data pipelines handling sensitive financial and operational data •Agent execution runtimes, multi-agent coordination, and observability pipelines for AI-driven workflows •Evaluation and testing harnesses to validate agent behaviour, reliability, and output quality Compensation: •$150,000 - $300,000 / year Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!