"The finance and investments sector is rapidly modernizing its tech stack, creating high demand for seasoned .NET full\u2011stack engineers. Companies in the NJ/NY/CT corridor are looking for local talent who can hit the ground running on mission\u2011critical applications. This contract role offers a chance to work on cutting\u2011edge .NET Core projects while leveraging your senior\u2011level expertise.\n\n# Job Summary\nWe are seeking a Senior .NET Full Stack Developer to design, develop, and maintain investment\u2011industry applications. The role focuses on building robust ASP.NET and .NET Core solutions, collaborating with cross\u2011functional teams, and ensuring high performance and scalability. This is a contract position based in Newark, NJ, serving clients in the financial services space.\n\n# Top 3 Critical Skills Table\n| Skill | Why it's critical | Mastery Level |\n|-------|-------------------|---------------|\n| ASP.NET / MVC | Core framework for building secure, high\u2011performance web apps in finance | Senior |\n| .NET Core | Enables cross\u2011platform, performant services essential for modern investment platforms | Senior |\n| Full\u2011Stack Development (C#, JavaScript, HTML/CSS) | Allows end\u2011to\u2011end delivery from UI to backend services, reducing hand\u2011off delays | Senior |\n\n# Interview Preparation\n1. **Explain the differences between .NET Framework and .NET Core and when you would choose each.**\n *What the interviewer is looking for:* Understanding of platform capabilities, performance, cross\u2011platform support, and migration considerations.\n2. **How do you implement authentication and authorization in an ASP.NET Core application for a financial product?**\n *What the interviewer is looking for:* Knowledge of Identity, JWT, OAuth2, and best practices for secure data handling.\n3. **Describe how you would design a RESTful API for real\u2011time investment data streaming.**\n *What the interviewer is looking for:* Ability to design scalable endpoints, use of async programming, caching strategies, and WebSocket/SignalR if needed.\n4. **What performance optimization techniques have you applied in a .NET Core microservice?**\n *What the interviewer is looking for:* Experience with profiling, memory management, async/await, connection pooling, and containerization.\n5. **Walk through a challenging full\u2011stack project you delivered, focusing on the integration between front\u2011end and back\u2011end.**\n *What the interviewer is looking for:* Problem\u2011solving, collaboration, testing strategies, and delivery of end\u2011to\u2011end functionality.\n\n# Resume Optimization\n- .NET Core\n- ASP.NET MVC\n- Full Stack Development\n- C#\n- JavaScript\n- RESTful APIs\n- Financial Services\n- Investments Industry\n- Performance Tuning\n- Agile Methodologies\n\n# Application Strategy\nWhen reaching out to the recruiter, send a concise email greeting, attach your updated resume, and clearly highlight your top skills. Make sure to mention related skills you possess, such as ASP.NET, .NET Core, and full\u2011stack development, and reference any investment\u2011industry projects or financial\u2011services experience that aligns with the role.\n\n# Career Roadmap\n| Current Role | Typical Experience | Core Focus | Next Position |\n|--------------|--------------------|------------|---------------|\n| Senior .NET Full Stack Developer | 5\u20117 years with ASP.NET, .NET Core, full\u2011stack projects | End\u2011to\u2011end application design, mentorship, performance tuning | Lead .NET Engineer / Technical Lead |\n| Lead .NET Engineer | 7\u201110 years, cross\u2011team leadership | System architecture, strategic technology decisions | Engineering Manager / Director of Engineering |\n"