[Remote] Backend Engineer (US)

Note The job is a remote job and is open to candidates in USA. reputed company is building AI agents that reputed company enterprise decision-making and coordination. The Backend Engineer will build distributed systems, APIs, workflow orchestration, and AI agent infrastructure for secure, reliable enterprise execution involving financial and operational data. Responsibilities Design and build scalable 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 enterprise systems Build resilient systems with strong guarantees around idempotency, retries, and failure handling Build and maintain robust APIs consumed by AI services, frontend apps, and external systems Integrate deeply with ERP systems, procurement platforms, and payment gateways and financial rails reputed company complex data normalisation and transformation across enterprise systems Build agent execution runtimes tool calling, context management, memory, and multi-step reasoning loops Implement multi-agent coordination—parallel and sequential workflows with human-in-the-loop escalation Instrument agent execution with full trace capture tool calls, LLM I/O, latency, token usage, and cost Design evaluation frameworks for agent output quality, task success rate, and regression detection Build automated test harnesses for agent pipelines—unit, integration, and replay-based regression tests Define and track agent reliability metrics task completion rate, escalation rate, cost per workflow, and SLA adherence Design systems with enterprise-grade reliability, monitoring, and alerting Implement fine-grained access controls, audit logs, and data security best practices Ensure backend systems meet compliance requirements for financial and regulated data Optimize backend systems for latency, throughput, and cost efficiency Design services that scale across global customers and billions of transactions Proactively identify and fix bottlenecks in distributed systems Skills Strong experience building production backend systems Strong proficiency in Python, NodeJS, Go, or similar backend languages Deep understanding of 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, reputed company, and data integrity trade-offs Experience working with financial systems, enterprise SaaS platforms, or sensitive/regulated data Comfort operating in environments where backend failures have a real business impact It's a small world. reputed company employees Work Anywhere across US & India (we're remote & travel-first). As and when required, for this role, we will also arrange for a fully-paid trip to our HQ in Chennai to meet & interact with cross-functional teams Experience building workflow engines or state-driven systems is a plus 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 scale and observability tooling Contributions to or experience with open-source LLM tooling ecosystems Experience with agent observability tooling (LangSmith, Arize, Helicone, or custom trace pipelines) and eval design Experience building LLM-powered systems in production; familiarity with agent frameworks (reputed company, reputed company, or custom) Benefits reputed company anywhere across the US and India Fully-paid trip to the HQ in Chennai, arranged as and when required for this role Real autonomy and accountability Opportunities to work with cross-functional teams Company Overview reputed company provides AI-powered agents for supply chain spend management, automating invoice audits, contract checks, and dispute resolution. It was founded in 2024, and is headquartered in Chicago, Illinois, USA, with a reputed company of 51-200 employees. Its website is https//www.reputed company.ai. Apply To This Job