Senior Software Engineer – C# / .NET

Job not on LinkedIn

🕒 2 days ago

🇺🇸 United States – Remote

💵 $140k / year

⏳ Contract/Temporary

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 0%

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Threecolts

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2021

🛍️ eCommerce

🏪 Marketplace

☁️ SaaS

💰 Series A on 2023-03

eCommerce • Marketplace • SaaS

Threecolts is an advanced ecommerce software suite designed for retail vendors and marketplace sellers. It provides a comprehensive platform for managing multi-channel retail operations, enabling businesses to streamline product listings, inventory management, customer service, and profit recovery across major online marketplaces like Amazon and Walmart. With various integrated tools, Threecolts helps its users enhance their retail presence, optimize financial operations, and ultimately grow their businesses.

📋 Description

• Take ownership of features across Inventory Lab’s C# and .NET-based systems from initial design through production • Design, develop, and maintain scalable backend services, APIs, and application components using C# and the .NET ecosystem • Build and maintain reliable, high-performance web applications and services with ASP.NET and ASP.NET Core • Develop front-end features using Vue.js and TypeScript, including responsive and maintainable user interfaces • Deliver full-stack features end to end, from backend services and data models to front-end components and application state management • Collaborate with Product, QA, and DevOps to deliver reliable, performant features • Improve existing systems, debug production issues, identify root causes, and implement durable fixes • Contribute to technical discussions and evolve architecture within the domain • Raise engineering standards through thoughtful code reviews • Support Inventory Lab, a product used by e-commerce sellers to manage inventory, listings, accounting, and operational workflows

🎯 Requirements

• 6–8+ years of professional software engineering experience • Strong proficiency in C# and experience building production-grade applications • Strong understanding of the .NET platform, including its runtime, libraries, and application development ecosystem • Experience developing web applications and backend services using ASP.NET and ASP.NET Core • Experience developing modern web applications using Vue.js or React, including component-based architecture and reusable components • Experience building responsive, accessible user interfaces and integrating front-end applications with REST APIs, and maintaining backend services • Solid understanding of system design, application architecture, and scalable software development patterns • Experience working with SQL databases, relational data models, and query optimization • Familiarity with cloud infrastructure: AWS or Azure • Experience debugging production systems, investigating root causes, and resolving issues independently • Comfortable working with Git, code reviews, automated testing, and collaborative development workflows • Ability to work effectively within an existing codebase and improve code quality without over-engineering • Strong ownership mindset, pragmatic technical decision-making, clear communication, and effective cross-team collaboration

🏖️ Benefits

• Salary: $ 140,000 per year • Opportunity to join company-wide offsites • Regular rate reviews • Fully remote working

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