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# Sr Full Stack Engineer - ERP/EDI

- **Company:** Avenue Code
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Amazon Web Services, Amazon S3, ASC X12 Standards, Databases, Continuous Integration, Document Management Systems, Amazon DynamoDB, Electronic Data Interchange (EDI), UN Electronic Data Interchange for Administration Commerce and Transport, Fault Tolerance, Identity and Access Management, PostgreSQL, MySQL, NoSQL, Oracle (Applications), Query Optimization, SAP (Applications), TypeScript, Management of Software Versions, File Transfer Protocol (FTP), SAP Integration Solutions, ReactJS, Backend, Git, Event Driven Architecture, Build Management, Kubernetes, OpenText, Apache Kafka, Front End Software Development, Amazon Simple Queue Service (SQS), AWS EKS, Docker, Golang, IBM Sterling Suite
- **Published:** November 13, 2026
- **Apply:** https://arc.dev/remote-jobs/j/redirect/pyw0r7kswq

## About the Role

* 5+ years of backend development in Golang and Java.
 * Hands-on production experience with Temporal: workflow and activity design, idempotency, versioning and scaling workers.
 * AWS experience, especially EKS/Kubernetes, S3, IAM and SQS/SNS or similar.
 * Strong database skills: PostgreSQL/MySQL, plus DynamoDB or another NoSQL store; schema design and query tuning.
 * Front-end experience with React/TypeScript for internal tools.
 * Working knowledge of EDI (ANSI X12): segment and loop structure, envelopes (ISA/GS/ST), 997 acknowledgments and partner-specific mapping.
 * Event-driven architecture (Kafka).
 * CI/CD, Docker, Git and testing practices (unit, integration, contract).

Nice To Have Skills

 * Experience with IBM Sterling B2B Integrator, Sterling map conversion, 4GL or OpenText / SPS Commerce VANs.
 * ERP integration experience (Oracle, SAP or similar), especially order management and supply chain.
 * EDIFACT, AS2 or SFTP partner connectivity.
 * Experience in retail, wholesale or e-commerce supply chains.

## Description

* Design and build backend services in Golang and Java for EDI translation, validation, routing and acknowledgments.
 * Build durable, fault-tolerant Temporal workflows for order-to-cash and procure-to-pay document flows, covering retries, compensation, versioning and long-running processes.
 * Build and migrate per-partner EDI maps for X12 transactions: 850, 860, 855, 856, 997, with later work on 810, 820, 832, 846 and 753/754.
 * Move existing partner maps from Sterling to the new platform with no changes on the partner side ("lift and shift").
 * Build internal web tools for monitoring transactions, viewing errors and reprocessing failed documents.
 * Deploy and run services on AWS EKS. Use S3 for document storage and archiving, and design data models in relational and NoSQL databases.
 * Own production support for your flows: observability, alerting and root-cause analysis on EDI failures.
 * Work with BSAs, ERP and supply chain teams, and external trading partners to clarify requirements and test.