Senior Ecommerce Software Developer
First seen by Alion on Nov 11, 2026.
The Senior Ecommerce Software Developer designs, develops, enhances, and supports scalable, secure, high-performing ecommerce applications, customer experiences, integrations, and digital-commerce services.
Responsibilities
What youll do as the Senior Ecommerce Software Developer:
Employees employed in the role of Senior Ecommerce Software Developer shall be required to apply their independent mind and demonstrate intellectual abilities in their decision-making.
The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
Build and maintain enterprise ecommerce platforms and customer-facing applications.
Develop catalog, cart, account, pricing, promotion, checkout, payment, order, and self-service capabilities.
Create APIs, web services, middleware, and integrations with ERP, CRM, inventory, payment, and marketplace systems.
Participate in architecture reviews, code reviews, technical planning, and developer mentoring.
Optimize application performance, database queries, APIs, website responsiveness, and scalability.
Develop automated tests and participate in Agile planning, delivery, deployment validation, and defect resolution.
What you will bring to the team:
Bachelors degree in Computer Science, Software Engineering, IT, or a related field.
7+ years of software development experience, including 5+ years supporting ecommerce platforms.
Experience with C#, .NET, Java, JavaScript, TypeScript, and modern front-end frameworks.
Strong knowledge of REST APIs, relational databases, cloud platforms, CI/CD, and microservices.
Experience with major ecommerce platforms and ERP, CRM, or payment integrations is preferred.