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# Lead Solution Architect

- **Company:** EPAM Systems, Inc.
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Cloud Computing, Payment Gateway, Performance Tuning, Migration Manager, Data Streaming, Technical Debt, Backend, Event Driven Architecture, Kubernetes, Information Technology, Marketplace, Microservices
- **Published:** October 9, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=269803a6f873c5fe

## About the Role

* 10+ years' experience in enterprise architecture and software delivery, with direct OMS exposure
 * Strong knowledge of ecommerce ecosystems, order orchestration, and fulfillment design
 * Experience integrating OMS with commerce platforms, warehouse, logistics, and marketplace systems
 * Solid understanding of APIs, microservices, event-driven architecture, and cloud platforms
 * Experience leading multi-region rollout projects with phased go-live and migration planning
 * Knowledge of replatforming architecture, performance scaling, and resilience patterns
 * Proven experience establishing architecture governance and stakeholder alignment
 * Excellent system-design documentation, analytical, and problem-solving skills
 * Strong communication ability with both technical and non-technical stakeholders
 * Bachelor's or master's degree in Computer Science, Engineering, or related discipline

Nice to have

 * Experience with Fluent OMS, Salesforce Commerce Cloud, or equivalent order-management solutions
 * Hands-on knowledge of tax, invoice, and customer communication flows in enterprise commerce
 * Familiarity with cloud-native architecture, Kubernetes, and API-gateway designs
 * Understanding of marketplace orchestration and inventory management patterns
 * Prior experience leading distributed teams through large vendor-transition programs

## Description

* Lead OMS architecture design and oversee solution development for multi-region commerce platforms
 * Conduct system assessments and define target architecture and transformation roadmaps
 * Design scalable order-management flows covering order lifecycle, fulfillment, returns, and refund processes
 * Integrate OMS solutions with commerce platforms, payment gateways, and third-party logistics systems
 * Define technical standards, data flows, and integration patterns across multiple backend and service layers
 * Collaborate with engineering, operations, and product teams to align delivery timelines and priorities
 * Establish governance frameworks ensuring compliance, scalability, and business continuity
 * Guide regional migration and rollout strategies, enabling smooth transitions and minimal disruption
 * Provide architectural mentorship to development leads and ensure adherence to design principles
 * Review solution design documentation, technical debt, and performance optimization outcomes