> Markdown version of [/jobs/ext/3871935-lead-full-stack-developer-net-and-vue-js-parsippany-nj-onsite](https://www.wearedevelopers.com/jobs/ext/3871935-lead-full-stack-developer-net-and-vue-js-parsippany-nj-onsite). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Full Stack Developer (.NET and Vue.js) || Parsippany, NJ (Onsite) - **Company:** Sage IT Inc - **Location:** Parsippany-Troy Hills, NJ, United States - **Experience:** Expert - **Contract:** Contract - **Skills:** JavaScript (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, ASP.NET MVC Framework, HTML5, User Authentication, Microsoft Azure, Browser Compatibility, C Sharp (Programming Language), Cascading Style Sheets (CSS), Software as a Service, Cloud Computing, Code Review, Continuous Integration, Cross-Origin Resource Sharing (Ajax Programming), Cross-Site Request Forgery, Database Design, Software Debugging, DevOps, Entity Framework, Github, Internet Information Services (IIS), JSON, OAuth, Performance Tuning, Scrum Methodology, E2e Testing, Openid Connect, Azure Active Directory, Responsive Web Design, Single Sign-On, SQL Stored Procedures, Strategies of Testing, TypeScript, Web Services, Website Wireframe, Network Routers, .NET Core, Cypress (Programming Language), Cross-Site Scripting (XSS), Backend, Gitlab, Git, Vue.js, Syntactically Awesome Style Sheets (SASS), Git Flow, Optimization Algorithms, Playwright, Front End Software Development, JestJS, Restful APIs, Es2015, Web Api - **Published:** October 22, 2026 - **Apply:** https://www.dice.com/job-detail/b37b3522-d3bc-4cdb-a04b-1c2dce081f9b ## About the Role * 10+ years of front-end development experience, including at least 3+ years with Vue.js. * Strong expertise in Vue.js 2.x/3.x, Vue Router, Vuex/Pinia, Composition API, and Single Page Applications (SPA). * Expert-level proficiency in JavaScript (ES6+), TypeScript, HTML5, CSS3, SCSS/SASS. * Experience consuming RESTful APIs and working with JSON data structures. * Strong understanding of component-driven architecture and modern front-end development practices. * Experience with responsive web design * Knowledge of browser rendering, performance tuning, and optimization techniques. * Understanding of front-end security principles, including authentication, authorization, CORS, XSS, and CSRF protection. * Experience writing unit, integration, and end-to-end tests using frameworks such as Jest, Vitest, Cypress, or Playwright. * Proficiency with Git, GitHub/GitLab, branching strategies, and CI/CD pipelines. * Exposure to C#, .NET Core/.NET 8+, ASP.NET MVC, and Web APIs. Familiarity with Entity Framework. * Experience working with SQL Server, Stored Procedures, Views, Functions, and database design concepts. * Experience with Single Sign-On (SSO), OAuth2, OpenID Connect, or Azure AD authentication. * Experience with IIS deployment and application hosting. * Knowledge of cloud platforms such as Azure or AWS. * Experience using Agile/Scrum methodologies. * Excellent problem-solving, analytical, verbal, and written communication skills. ## Description * Convert business requirements into scalable and maintainable technical solutions. * Design, develop, and maintain highly responsive web applications using Vue.js. * Build reusable UI components and front-end libraries for future use. * Integrate front-end applications with backend APIs and web services. * Collaborate with UX/UI designers to translate wireframes and mockups into high-quality user interfaces. * Optimize applications for maximum speed, scalability, and cross-browser compatibility. * Monitor and improve front-end performance and user experience. * Troubleshoot, debug, and resolve application issues across environments. * Participate in code reviews and ensure adherence to coding standards and best practices. * Work closely with Business Analysts, QA Engineers, DevOps teams, and Backend Developers. * Develop testing strategies and implementation plans, including technical documentation. * Stay current with emerging front-end technologies, frameworks, and industry trends. * Participate in Agile ceremonies, including sprint planning, standups, retrospectives, and backlog grooming.