Lead Full Stack Developer (Front-End / Back-End / React) – Optimizely

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About the Role:

Full Stack Technical Lead

SAP ECC to Optimizely Commerce

.NET, React.js, and ecommerce system architecture

hands-on leadership role

Key Responsibilities:

• Lead the full migration lifecycle of the B2B platform to Optimizely, from planning and development to deployment.
• Architect, design, and develop scalable and secure full-stack solutions using .NET Core, React.js, and related technologies.
• Develop and integrate RESTful APIs to ensure seamless data exchange between SAP ECC and Optimizely.
• Collaborate with architects, business analysts, QA, and DevOps teams to ensure project alignment and timely delivery.
• Optimize frontend performance for speed, responsiveness, and cross-browser compatibility.
• Integrate and manage PIM (Product Information Management) and Spire systems within the ecommerce ecosystem.
• Establish and maintain CI/CD pipelines using Azure DevOps or GitHub Actions for automated testing and deployment.
• Provide technical leadership, conduct code reviews, and mentor junior team members.
• Maintain documentation and ensure adherence to best practices in security, coding, and architecture.
  

Primary Skills Required:

Front-End (React.js):

• React.js (Hooks, Context API) – component-driven UI development.
• JavaScript (ES6+) / TypeScript – clean, scalable codebase management.
• HTML5 / CSS3 / SASS – responsive and accessible UI design.
• State Management – Redux / React Query.
• RESTful API integration and cross-browser compatibility.
  

Back-End (.NET):

• .NET Core / C# – developing scalable backend APIs.
• Entity Framework / LINQ – efficient data access and ORM management.
• RESTful API design – secure and performant endpoints.
• Authentication & Authorization – OAuth2, JWT, RBAC.
• Database Design – SQL Server / PostgreSQL.
  

Architecture & Integration:

• Optimizely / EPiServer – strong understanding of CMS & commerce architecture.
• SAP ECC Integration – knowledge of MARA, KNA1, VBAK data models.
• Middleware tools – Azure Logic Apps / MuleSoft / Boomi.
• Microservices Architecture – modular and scalable system design.
• CI/CD – Azure DevOps, GitHub Actions, Jenkins.
• Integration with PIM and Spire systems.
  

Secondary Skills:

• Frontend frameworks: Material UI / Tailwind CSS / Bootstrap.
• Backend technologies: GraphQL, RabbitMQ, Azure Service Bus.
• Containerization: Docker, Kubernetes.
• Monitoring tools: ELK Stack, Application Insights, Prometheus.
• Security & compliance: Data encryption, GDPR, secure API design.
• Testing: Unit, integration, and performance testing awareness.
  

Domain & Business Knowledge:

• Strong understanding of B2B ecommerce workflows (catalog, pricing, checkout).
• Experience in SAP ECC data migration strategies and validation processes.
• Ability to translate technical architecture into business impact and communicate effectively with stakeholders.
  

Soft Skills:

• Proven leadership in cross-functional technical teams.
• Strong problem-solving, decision-making, and collaboration abilities.
• Excellent communication and documentation skills.
• Hands-on experience with Agile methodology, sprint management, and backlog prioritization.