via Truemote
$120K - 160K a year
Design, develop, and maintain scalable SaaS features with C#/.NET and React, build APIs and integrations, collaborate with teams, and improve system performance on AWS.
5-7 years professional experience with C#/.NET, React, GraphQL, PostgreSQL, AWS cloud development, and SaaS product scaling, plus Pennsylvania residency and US work authorization.
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. Posted By: Caitlin Carrion
This job posting was last updated on 12/10/2025