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Lead Full Stack Developer (.NET and Vue.js) || Parsippany, NJ (Onsite)

Sage IT IncUnited States🇺🇸United StatesPosted Oct 21, 2026

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
United States
Posted
23 hours ago
SASSSQLGitHTMLAWSSSOScrumCSSC#Cypress.NETASP.NETJestPlaywrightVitestVueRESTAzureJavaScriptTypeScriptSQL ServerAgileCI/CD

Job Description

Role: Lead Full Stack Developer (.NET and Vue.js)

Location: Parsippany, NJ (Onsite)

Responsibilities:

  • 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.

Qualifications:

  • 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.

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