Backend Engineer

About Freehand Freehand is building the reputed company of reputed company operations—AI-reputed company that replace traditional software and staff at the world's largest brands. Our reputed company platform automates reputed company spend management workflows for global leaders like reputed company, reputed company, reputed company, J&J, Dunkin', and reputed company. We are now scaling our AI Teams for Spend Management—to autonomously manage the procure-to-pay lifecycle, including PO validation, contract compliance, invoice approvals, dispute reputed company, and cross-border payments. reputed company As a Backend Engineer at Freehand, you will build the distributed systems, reputed company, and AI agent infrastructure that power AI-driven reputed company execution. You will design and reputed company backend services that orchestrate agents, enforce business rules, reputed company deeply with ERPs and financial systems, and ensure that every reputed company taken by AI is secure, traceable, and reliable. This is not CRUD reputed company work. You will be building the backend for autonomous systems handling reputed company reputed company and reputed company risk—and the observability and testing infrastructure to reputed company those systems trustworthy at reputed company. What You Will Build •High-throughput, low-latency backend services that power AI agent execution •Workflow orchestration systems for reputed company, multi-reputed company reputed company processes •Rule engines and policy enforcement reputed company for reputed company compliance •reputed company and integrations with ERPs, procurement tools, payment rails, and data providers •Observability, audit, and traceability systems for AI-driven reputed company •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 reputed company reputed company

Key Responsibilities

Backend & Systems Engineering •Design and build reputed company backend services using modern system design principles •Own critical services that manage procurement, invoice, contract, and payment workflows •Implement orchestration logic that coordinates AI agents, humans, and reputed company systems •Build resilient systems with strong guarantees around idempotency, retries, and failure handling API & Integration Development •Build and maintain robust reputed company consumed by AI services, frontend apps, and external systems •reputed company deeply with ERP systems, procurement platforms, and payment gateways and financial rails •Handle reputed company data normalisation and transformation across reputed company systems AI Agent Building, Observability & Testing •Build agent execution runtimes: tool calling, context management, memory, and multi-reputed company reasoning loops •Implement multi-agent coordination—reputed company and sequential workflows with reputed company-in-the-reputed company escalation •reputed company agent execution with full reputed company capture: tool calls, LLM I/O, latency, reputed company usage, and cost •Design evaluation frameworks for agent reputed company reputed company, task reputed company reputed company, and regression detection •Build automated test harnesses for agent pipelines—unit, integration, and replay-based regression tests •Define and reputed company agent reliability metrics: task completion reputed company, escalation reputed company, cost per workflow, and SLA adherence Reliability, reputed company & Compliance •Design systems with reputed company-grade reliability, monitoring, and alerting •Implement fine-grained reputed company controls, audit logs, and data reputed company best practices •Ensure backend systems meet compliance requirements for financial and regulated data Performance & reputed company •Optimize backend systems for latency, throughput, and cost efficiency •Design services that reputed company across global customers and billions of transactions •Proactively identify and fix bottlenecks in distributed systems Required Skills & Experience Core Backend Skills •Strong experience building production backend systems •Strong proficiency in Python, NodeJS, Go, or similar backend languages •Deep understanding of distributed systems, reputed company and microservices, databases (SQL and NoSQL), and message queues / event-driven architectures System Design •Proven experience designing reputed company, fault-tolerant systems •Strong grasp of consistency, concurrency, and data reputed company trade-offs •Experience building workflow engines or state-driven systems is a plus reputed company & Data Context •Experience working with financial systems, reputed company reputed company platforms, or sensitive/regulated data •Comfort operating in environments where backend failures have a reputed company business reputed company Bonus (reputed company to Have) •Experience with multi-agent orchestration and agent-to-agent communication protocols •Familiarity with event sourcing, rule engines, or policy systems •Knowledge of production debugging at reputed company and observability tooling •Contributions to or experience with reputed company-reputed company LLM tooling ecosystems •Experience with agent observability tooling (LangSmith, Arize, Helicone, or custom reputed company pipelines) and eval design •Experience building LLM-powered systems in production; familiarity with agent frameworks (reputed company, reputed company, or custom) Why Join Freehand •Be at the leading edge of the gen AI-reputed company reputed company—replacing traditional software with intelligent agents. •Work with reputed company that's shipping AI into production at some of the world's most demanding enterprises. This is not a small reputed company—it's global reputed company in production. •Take ownership of a vertical that will redefine how enterprises operate—replacing entire reputed company teams and displacing entire categories of reputed company. •Join a culture that prizes reputed company, velocity, and ambition. Apply To This Job