Senior .NET Developer: Frontend, APIs, & Commerce

Motion Recruitment; Philadelphia (Philadelphia County); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Medical, prescription, dental, and vis

Life insurance

Retirement savings plan with company 5

Additional paid leave and wellness

Job summary

Motion Recruitment is seeking a seasoned Software Engineer to join a global commerce technology organization. You will build enterprise-grade web apps using .NET, SQL Server, React, and Angular, focusing on secure APIs, performance, and scalable front-end architectures.

Work in an Agile environment on payment, security, identity, and data analytics platforms, delivering omnichannel experiences across web and mobile.

Qualifications

• 7+ years of software development with .NET and SQL Server.
• Experience building web apps with MVC, JavaScript, jQuery, HTML, CSS.
• Strong SPA experience with React/Angular/TypeScript.
• Secure API development using modern auth practices (JWT).
• Familiarity with Micro Frontends and SSR.
• Agile/Scrum development experience.

Responsibilities

• Participate in Agile Scrum ceremonies including sprint planning and estimation.
• Develop scalable components and reusable libraries across frontend and backend.
• Contribute to API design, security, and performance optimization.
• Collaborate with QA and stakeholders to ensure quality and delivery.
• Maintain technical documentation and promote engineering best practices.

Skills

NET

SQL Server

React

Angular

TypeScript

SPA architectures

API security

JWT tokens

Micro Frontends

Server-side rendering

Web performance

Agile/Scrum

Git

English communication

Tools

Git

Job description

Motion Recruitment is seeking a seasoned Software Engineer to join a global commerce technology organization. You will build enterprise-grade web apps using .NET, SQL Server, React, and Angular, focusing on secure APIs, performance, and scalable front-end architectures.

Work in an Agile environment on payment, security, identity, and data analytics platforms, delivering omnichannel experiences across web and mobile.