Senior .NET Developer

Star Group, L.P-posted 4 months ago
$110,000 - $120,000/Yr
Full-time • Senior
Hybrid • Woodbury, NY
1,001-5,000 employees
Gasoline Stations and Fuel Dealers
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We are seeking a Senior .NET Developer to lead and contribute to the design, development, and optimization of enterprise-grade web and client-server applications. This role requires a proactive problem-solver with modern .NET expertise, deep experience in cloud-first architectures, and a passion for driving technical innovation. You will collaborate with cross-functional teams, mentor junior developers, and influence architectural decisions. The ideal candidate is well-versed in modern .NET ecosystems, cloud technologies (AWS and Azure), DevOps pipelines, and secure, scalable API design. This is a hybrid position which will require a minimum of 2 days per week on site at the corporate Woodbury NY location (Long Island - Nassau county 11797).

  • Lead the design and development of scalable, secure, and high-performance applications using modern Microsoft technologies.
  • Collaborate with Solution Architects and Business Analysts on architecture, requirements, and planning.
  • Drive modernization initiatives by refactoring legacy applications to modern frameworks (.NET 8+, cloud-native).
  • Build and maintain RESTful APIs, web applications, and background services using .NET Core / .NET 8.
  • Champion DevOps best practices, including CI/CD automation, infrastructure as code, and testing pipelines.
  • Guide and mentor junior team members, conduct code reviews, and ensure adherence to coding standards.
  • Investigate emerging technologies to propose and implement improvements to software architecture and development processes.
  • Ensure compliance with industry standards such as OWASP, HIPAA, PCI-DSS, and ISO 27001.
  • Deep expertise in .NET Core / .NET 6+ / .NET 8, C#, and modern design patterns (e.g., Dependency Injection, CQRS, Clean Architecture).
  • Proven experience with REST APIs, microservices, and asynchronous programming.
  • Strong front-end experience with Angular (v12+ or later), TypeScript, HTML5/CSS3, Bootstrap, and JavaScript frameworks.
  • Advanced experience with Entity Framework Core, LINQ, SQL Server, and designing performant database structures.
  • Experience with Azure services (App Services, Functions, Key Vault, SQL DB, Azure DevOps, etc.) or AWS equivalent.
  • Familiar with containerization tools such as Docker and orchestration platforms like Kubernetes is a strong plus.
  • Experience working with Salesforce APIs or platform is a plus.
  • Knowledge of secure coding standards, authentication protocols (OAuth2, OpenID Connect), and compliance frameworks.
  • Requires excellent verbal and written communication skills. Must have the ability to provide the "basic" explanation of technology for nontechnical managers, directors and above.
  • Demonstrates ownership, manages multiple deliverables simultaneously by adjusting priorities and eliminating roadblocks.
  • Demonstrates character, integrity and ethical values.
  • Possesses a customer-oriented service attitude.
  • Adheres to the policies regarding acceptable behavior.
  • Industry technical certifications a plus.
  • Medical coverage
  • Dental coverage
  • 401(k)
  • Plus more!
  • Build a rewarding career with an industry leader!
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