Senior Full Stack Developer (.NET / Vue.js)

Project Overview:
We are looking for an experienced Senior Full Stack Developer (.NET / Vue.js) to join the engineering team and contribute to the development, maintenance, and modernization of business-critical applications.
The ideal candidate will have strong backend development expertise with .NET and C#, solid frontend experience with Vue.js, and a good understanding of scalable application architecture, API integrations, and cloud-based solutions.
Customer Overview:
Our client is a US-based company operating in the fashion and lifestyle e-commerce industry, specializing in premium activewear and athleisure apparel.
The company operates a growing digital commerce platform supporting online sales, customer management, and business operations. With a strong focus on customer experience, scalability, and innovation, the company continues to invest in its technology infrastructure and digital solutions.
Responsibilities:
Design, develop, and maintain web applications using .NET / ASP.NET Core and Vue.js.
Build scalable backend services, RESTful APIs, and business logic.
Develop responsive, user-friendly frontend interfaces using Vue.js.
Design and optimize database structures, queries, and application performance.
Integrate applications with e-commerce platforms, payment systems, CRM, ERP, and third-party services.
Participate in system architecture decisions and technical planning.
Ensure application security, scalability, maintainability, and reliability.
Write clean, testable, and well-documented code.
Perform code reviews and contribute to engineering best practices.
Troubleshoot production issues and implement technical improvements.
Collaborate with product managers, designers, QA engineers, DevOps, and other developers.
Participate in Agile development processes and contribute to continuous delivery.
Skills/Requirements:
5+ years of professional software development experience.
Strong hands-on experience with C#, .NET, and ASP.NET Core.
Solid commercial experience with Vue.js 3, JavaScript, and TypeScript.
Strong understanding of RESTful API design and development.
Experience with Entity Framework Core and ORM frameworks.
Solid knowledge of SQL databases, preferably Microsoft SQL Server or PostgreSQL.
Experience with HTML5, CSS3, and modern frontend development practices.
Understanding of microservices architecture and distributed systems.
Experience with Git, CI/CD pipelines, and automated testing.
Knowledge of authentication and authorization mechanisms, including OAuth 2.0 and JWT.
Familiarity with cloud platforms, preferably AWS.
Strong problem-solving skills and ability to work independently.
English: Upper-Intermediate or higher.