OMS Developer

Everest Technologies, Inc

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

Posted 10/9/2026full-timeRemote • United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and customizing Order Management System (OMS) solutions, with a strong focus on backend development, API integration, and optimizing order processing workflows in retail and e-commerce environments.

Highest-signal resume keywords

Order Management System (OMS) DevelopmentAPI Development and IntegrationREST/SOAP APIsSQL Database QueriesE-commerce Order Lifecycle Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend DevelopmentOrder CaptureFulfillmentCancellationsReturnsRefundsPayment AuthorizationData Processing OptimizationTroubleshootingRoot-Cause Analysis

Soft Skills

Analytical SkillsProblem-SolvingCommunication Skills

Tools & Technologies

Payment GatewaysEnterprise Resource Planning (ERP)Warehouse Management Systems (WMS)JSONXML

Industry Keywords

RetailE-commerceOrder ProcessingIntegration TestingTechnical Documentation

Tech Stack

Tools & technologies

ERPSOAPSQL

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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