Job Description

This leading B2B wholesale e-commerce platform empowers brands and retailers to streamline ordering, inventory management, and catalog operations through a unified, user-friendly digital experience. The platform allows brands to build digital catalogs and line sheets, gives retailers 24/7 access to real-time inventory for placing and managing orders, and provides tools for handling invoices, payments, analytics, and merchandising insights. For retailers, it simplifies the entire purchasing lifecycle--eliminating back-and-forth communication and offering a single hub to discover brands, submit orders, reorder top sellers, and track shipments. For brands, it functions as a true "Wholesale-as-a-Service" partner, offering ERP integrations, dedicated account support, and data-driven tools that increase reorders, pre-book efficiency, and overall B2B revenue growth.
They are seeking a Senior .NET Developer with a strong background in SaaS product development to join their product engineering team. In this role, you will architect, build, and enhance features for their cloud-based wholesale platform, working closely with design and engineering partners to deliver tools that accelerate the growth of global retail brands. The ideal candidate brings hands-on experience with modern SaaS environments, deep backend expertise in C#/.NET, and solid front-end capabilities with React and GraphQL. Required Skills & Experience

• 5-7 years of professional software development experience
• Must have proven experience building and scaling SaaS products
• Advanced proficiency in C#, .NET, and API development
• Hands-on experience with React and GraphQL
• Strong experience with PostgreSQL or similar relational databases
• Solid understanding of cloud-native development on AWS
• Experience with microservices, distributed systems, or event-driven architecture is a plus
• Strong analytical skills, attention to detail, and ability to thrive in collaborative Agile teams

What You Will Be Doing Tech Breakdown:

• 20% maintenance
• 80% new development

Daily Responsibilities:

• Design, develop, and maintain scalable SaaS features using C#, .NET, and PostgreSQL
• Build and optimize front-end components with React and GraphQL
• Create APIs, data layers, and system integrations for wholesale workflows, real-time inventory, digital cataloging, ordering processes, and analytics
• Collaborate with cross-functional teams to translate product requirements into technical solutions
• Participate in code reviews, architectural planning, and best-practice development standards
• Improve system performance, reliability, and scalability across AWS environments
• Troubleshoot full-stack issues and deliver high-quality resolutions
• Support continuous improvements in DevOps, CI/CD, monitoring, and automation

Office Location

• Pennsylvania Residence REQUIRED
• Remote
• Must meet up on a quarterly basis in Bensalem, PA

The Offer

• $120-160K base

You will receive the following benefits:

• Medical Coverage
• Dental Coverage
• 401K
• PTO

Applicants must be currently authorized to work in the US on a full-time basis now and in the future.

Skills Required