Lead Solution Architect

In this role, you will drive architectural design, governance, and rollout delivery for complex ecommerce order‑management transformations across multiple regions. You will assess current OMS landscapes, guide replatforming initiatives, and oversee the design of scalable integrations across commerce, marketplace, logistics, and customer‑service domains. The position requires deep hands‑on expertise in OMS technology, cloud architecture, and enterprise integration standards. Responsibilities
• 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 Requirements
• 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

We offer
• Diverse multicultural, multi-functional, and multilingual work environment
• Global scope, international projects in different business domains: life sciences and healthcare, retail, and distribution, software and hi-tech, etc.
• Outstanding career development opportunities with a transparent career path and a roadmap to accelerate your journey
• Great learning and development opportunities, including in-house professional training, career advisory and coaching, sponsored professional certifications
• Knowledge-sharing with colleagues from EPAM's global tech communities
• 25 days holiday per annum
• 5 days of sick leave without medical certification
• Private health insurance for employees and discount for private health insurance for family members
• Discount for Fit Pass program
• Comfortable modern offices in Belgrade and Novi Sad or remote work from any location in Serbia
• Regular corporate, social and wellbeing events (parties, sport events, advanced CSR programs etc.) The remote option applies only to the Candidates who will be working from any location in Serbia. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, diverse community to help you discover your fullest potential. No less important is our applicants' safety, well-being, and experience. Therefore, until further notice, all EPAM employment interviews will be conducted remotely. Our recruitment professionals and hiring managers are standing by to ensure a robust and engaging virtual candidate experience. We look forward to speaking with you Thank you for your interest in this position. Please note that only candidates whose experience closely matches the job requirements will be contacted. If you do not receive an email from us, please do not be discouraged—feel free to apply for other positions that better align with your experience. If you have any questions, you can reach us at jobserbia@epam.com