OMS Developer

Everest Technologies, Inc.; United States; On-site; USD 90,000 - 120,000; Full time

Job summary

ETech is seeking an experienced OMS Developer for a remote position to design, build, and support Order Management System solutions for retail/e-commerce. You will work on end‑to‑end order processing, integrations with ERP/WMS, and payment gateways, delivering reliable backend services and APIs.

The ideal candidate has hands‑on OMS experience, strong API skills, and a good grasp of order lifecycles, payments, and data exchange across enterprise systems.

Qualifications

• Experience designing and implementing OMS solutions in retail/e‑commerce.
• Understanding of order lifecycles including capture, fulfillment, returns.
• Experience with payment modules and gateway integrations.
• Strong API design, REST/SOAP, and data exchange between systems.

Responsibilities

• Design, develop, enhance, and maintain OMS applications supporting end-to-end retail and e-commerce order processing.
• Develop and customize order management workflows covering order capture, validation, sourcing, allocation, fulfillment, cancellations, returns, and refunds.
• Build and maintain integrations between OMS and e-commerce platforms, payment gateways, ERP, WMS, and shipping or fulfillment applications.
• Develop APIs, services, and interfaces to support seamless data exchange between enterprise applications.
• Implement and support payment-related workflows, including payment authorization, capture, settlement, refunds, voids, and payment status reconciliation.
• Troubleshoot production issues, perform root-cause analysis, and implement permanent fixes to improve system reliability.
• Collaborate with business analysts, QA engineers, architects, and other development teams to translate business requirements into technical solutions.
• Participate in code reviews, unit testing, integration testing, deployment activities, and release support.
• Maintain technical documentation and follow established development standards and best practices.

Skills

OMS development

Order lifecycle

Payment gateways

APIs

SQL queries

Troubleshooting

Communication skills

Job description

ETech is a leading Information Technology solutions provider based in Hitec City, Hyderabad, India. We are a subsidiary of Everest Technologies Inc. based in Columbus, Ohio USA. We deliver top quality systems and software design, architecture, development, testing and implementation services to clients in a variety of industrial, commercial, and governmental environments. By focusing on achieving client successes, we have achieved success ourselves. Our reputation for providing creative and technically superior consulting services is built on our innovative use of leading technologies tailored to meet the individual needs of our clients.

Job Description

This is a remote position.

Job Overview

We are seeking an experienced OMS Developer to design, develop, customize, and support Order Management System (OMS) solutions for a retail and e-commerce environment. The ideal candidate will have strong technical expertise in order management workflows, system integrations, and backend development, with an understanding of retail operations. Experience working with payment modules and payment gateway integrations is a strong plus.

Key Responsibilities

Design, develop, enhance, and maintain OMS applications supporting end-to-end retail and e-commerce order processing.

Develop and customize order management workflows covering order capture, validation, sourcing, allocation, fulfillment, cancellations, returns, and refunds.

Build and maintain integrations between OMS and e-commerce platforms, payment gateways, ERP, warehouse management systems (WMS), and shipping or fulfillment applications.

Develop APIs, services, and interfaces to support seamless data exchange between enterprise applications.

Implement and support payment-related workflows, including payment authorization, capture, settlement, refunds, voids, and payment status reconciliation.

Troubleshoot production issues, perform root-cause analysis, and implement permanent fixes to improve system reliability.

Optimize application performance, data processing, and order transaction flows.

Collaborate with business analysts, QA engineers, architects, and other development teams to translate business requirements into technical solutions.

Participate in code reviews, unit testing, integration testing, deployment activities, and release support.

Maintain technical documentation and follow established development standards and best practices.

Required Skills

Strong hands-on experience developing and customizing Order Management System (OMS) solutions.

Good understanding of retail and e-commerce order lifecycles, including order capture, fulfillment, cancellations, returns, and refunds.

Experience with backend development, APIs, web services, and enterprise system integrations.

Strong programming and debugging skills in the technologies relevant to the client's OMS platform.

Experience with REST/SOAP APIs, JSON/XML, database queries, and SQL.

Ability to troubleshoot complex application issues and support production environments.

Strong analytical, problem-solving, and communication skills.