Lead Application Engineer (Full Stack)

We are seeking a highly skilled Full Stack Developer to lead the end-to-end migration of our B2B platform to Optimizely. This role demands deep technical expertise across front-end and back-end technologies, strong architectural understanding, and hands-on experience with ecommerce systems. The ideal candidate will drive the technical strategy, implementation, and integration efforts, ensuring a seamless transition from SAP ECC to Optimizely Commerce.

Experience : 8+ Year

Responsibilities

Lead the full lifecycle of the B2B to Optimizely migration project, from planning to deployment.

Develop scalable, secure, and maintainable full-stack solutions.

Collaborate with architects, business analysts, QA, and DevOps teams to ensure alignment and delivery.

Design and implement RESTful APIs for seamless integration between SAP ECC and Optimizely.

Ensure high performance and responsiveness of applications across browsers and devices.

Integrate and optimize PIM (Product Information Management) and Spire systems within the ecommerce ecosystem.

Implement CI / CD pipelines for automated testing and deployment using Azure DevOps or GitHub Actions.

Maintain documentation and provide technical leadership and mentoring to junior developers.

Must have Tech skills

🔹 Front-End (React)

React.Js (Hooks, Context API) : Building scalable, component-based UIs.

JavaScript (ES6+) / TypeScript : Strong scripting and typing for maintainable code.

HTML5 / CSS3 / SASS : Responsive design and layout skills.

State Management : Redux or React Query for managing complex state.

API Integration : Consuming RESTful APIs securely and efficiently.

Cross-Browser Compatibility : Ensuring consistent UI behavior across platforms.

🔹 Back-End (.NET)

• .NET Core / C# : Building scalable services and APIs for Optimizely.

Entity Framework / LINQ : Data access and manipulation.

RESTful API Design : Creating secure, performant endpoints for ECC-Optimizely integration.

Authentication & Authorization : OAuth2, JWT, role-based access control.

Database Design : SQL Server or PostgreSQL schema modeling and optimization.

🔹 Architecture & Integration

Optimizely / EPIServer Platform Knowledge : Deep understanding of CMS and Commerce architecture.

SAP ECC Data Models : Familiarity with MARA, KNA1, VBAK, etc., for integration planning.

Middleware & Integration Patterns : Experience with Azure Logic Apps, MuleSoft, or Boomi.

Microservices Architecture : Designing loosely coupled services for scalability.

CI / CD Pipelines : Azure DevOps, GitHub Actions, or Jenkins for automated deployments.

Spire & PIM Integration : Experience integrating product and pricing data into ecommerce platforms.

🔹 Business & Domain Knowledge

Ecommerce Workflows : Product catalog, pricing, inventory, checkout.

B2B Commerce : Understanding of business customer journeys, bulk ordering, and account-based pricing.