.Net Developer / Team Leader

VIIS Global Inc.; United States; Hybrid; USD 110,000 - 170,000; Full time

Benefits offered by this job

Benefits

Job summary

VIIS Global Inc. in Warren, NJ is seeking a Senior .NET Developer / Team Lead to design, develop, and support enterprise applications. You will provide technical leadership, mentor junior developers, and ensure coding standards are followed.

You should have deep C#/.NET experience (Framework & Core), WinForms, SQL Server, EF/EF Core, and REST API skills, plus Azure knowledge and strong architectural instincts. Hybrid work environment expected in this role.

Qualifications

• 8 years of experience with C# and .NET development.
• Deep knowledge of SQL Server and T-SQL development.
• Experience designing and consuming REST APIs/Web Services.
• Strong leadership, mentoring, and architecture ability.

Responsibilities

• Design, develop, and maintain enterprise-level .NET applications.
• Create technical specifications and application architecture.
• Lead and mentor junior developers and drive code quality.
• Review, debug, test, and refactor code across projects.
• Support multiple complex projects simultaneously and document procedures.

Skills

C# & .NET Development

.NET Framework & .NET Core

WinForms

SQL Server & T-SQL

Entity Framework & EF Core

REST APIs / Web Services

Azure technologies (Key Vault, Blob, +

Object-Oriented Design (OOD)

Dependency Injection

Multithreading

Asynchronous Programming

Code reviews & architecture

Team leadership & mentoring

HTML5

JavaScript

TypeScript

Angular

Tools

Visual Studio

Azure

Job description

Job Title: Senior .NET Developer / Team Lead

**Location:**Warren, NJ (Hybrid)

Salary: DOE Benefits

Industry: Maritime, Logistics & Transportation Technology

**Employment Type:**Full-Time, Permanent

Position Overview

Our client, a stable and growing global organization in the logistics and transportation sector, is seeking a Senior .NET Developer / Team Lead to join their team in Warren, NJ. This individual will play a critical role in designing, developing, and supporting enterprise-level applications while providing technical leadership and mentoring to junior developers.

The ideal candidate will possess deep expertise in C#, .NET Framework/.NET Core, WinForms, Azure, SQL Server, and Entity Framework, along with strong architecture, coding standards, and leadership experience.

Must-Have Skills:

• 8 years of experience with C# and .NET Development
• Strong experience with .NET Framework and .NET Core
• Extensive hands-on experience with WinForms
• Expert-level SQL Server & T-SQL development
• Database design, schema management, and performance tuning
• Strong knowledge of Entity Framework & Entity Framework Core
• Experience developing and consuming REST APIs/Web Services
• Hands-on experience with Azure technologies Key Vault
  • Blob Storage
  • Graph API
  • Other Azure Services
• Strong understanding of:
  • Object-Oriented Design (OOD)
  • Dependency Injection
  • Multithreading
  • Asynchronous Programming
• Experience performing code reviews and architectural design
• Team leadership and mentoring experience

Preferred Skills

• C / MFC
• HTML5
• JavaScript
• jQuery
• JQWidgets
• TypeScript
• Angular
• Experience within transportation, logistics, or maritime industries

Key Responsibilities

• Design, develop, and maintain enterprise-level .NET applications
• Create technical specifications and application architecture
• Build scalable, high-performance software solutions
• Review, debug, test, and refactor code
• Maintain coding standards and development best practices
• Serve as the technical escalation point for architecture discussions
• Lead and mentor junior developers
• Support multiple complex projects simultaneously
• Document development and operational procedures