Senior .NET Full Stack Developer – .NET Core + Angular

Ethereum Technologies; Wilmington (DE); On-site; USD 89,000 - 126,000; Full time

Job summary

Senior .NET Full Stack Developer – .NET Core + Angular in Wilmington, DE. Seeking highly experienced developers to design, develop, and maintain scalable enterprise applications with C#, .NET Core, ASP.NET Core, and Angular.

Candidates should excel in REST APIs, SQL Server, and modern frontend technologies, delivering secure, high-performance software across the SDLC. Role requires 12+ years of experience, on-site interview in Wilmington, and ability to work in a cross-functional team.

Qualifications

• Minimum 12+ years of software development experience.
• Strong expertise in C#, .NET Core, ASP.NET Core, Web APIs.
• Experience with Angular and front-end technologies.
• Wilmington, DE onsite interview required.

Responsibilities

• Design, develop, test, and deploy enterprise web applications using .NET Core / .NET 8, C#, ASP.NET Core, Web APIs.
• Build and consume RESTful APIs and integrate third-party services.
• Write clean, scalable, secure code following best practices.
• Develop database objects and optimize SQL queries for SQL Server.
• Collaborate with analysts, architects, product owners, and QA across the SDLC.
• Perform code reviews, troubleshoot production issues, and implement fixes.
• Participate in Agile ceremonies and CI/CD pipelines.
• Ensure security, performance, and reliability of applications.

Skills

C#

ASP.NET Core

REST APIs

Entity Framework Core

LINQ

OOP SOLID

Agile/Scrum

Education

Bachelor's degree in Computer Science or related field

Tools

Azure DevOps

GitHub

Docker

Kubernetes

Job description

Senior .NET Full Stack Developer – .NET Core + Angular

Job Title

Senior .NET Full Stack Developer – .NET Core + Angular

Location

Wilmington, DE

Duration

8 Months + Extension

Bill Rate

$78/hour (C2C)

Job Type

W-2, 1099, C2C

Client

To Be Discussed Later

Work Authorization

US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Description

Seeking highly experienced Senior .NET Full Stack Developers with 12+ years of software development experience to design, develop, and maintain scalable enterprise applications. The ideal candidates will have strong expertise in C#, .NET Core, ASP.NET Core, Web APIs, SQL Server, and modern frontend technologies, particularly Angular. Candidates should be capable of delivering secure, high-performance applications while collaborating with cross-functional teams throughout the software development lifecycle.

Key Responsibilities

• Design, develop, test, and deploy enterprise web applications using .NET Core, .NET 8, C#, ASP.NET Core, and Web APIs.
• Build and consume RESTful APIs and integrate third-party services.
• Write clean, scalable, secure, and maintainable code following development standards and best practices.
• Develop database objects, optimize SQL queries, and maintain SQL Server performance.
• Collaborate with Business Analysts, Architects, Product Owners, and QA teams throughout the SDLC.
• Perform code reviews, troubleshoot production issues, and implement technical fixes.
• Participate in Agile ceremonies, including sprint planning, daily stand-ups, retrospectives, and demos.
• Implement CI/CD pipelines and support DevOps initiatives.
• Ensure application security, performance, scalability, and reliability.

Required Skills & Experience

• Strong proficiency in C#, .NET Framework, and .NET Core/.NET 6/7/8.
• Hands-on experience with ASP.NET MVC and ASP.NET Core.
• Experience developing REST APIs and Web APIs.
• Strong knowledge of Entity Framework Core, Dependency Injection, LINQ, and ORM concepts.

Frontend Development

• Strong hands‑on experience with Angular (preferred) or React.
• Knowledge of HTML5, CSS3, and Bootstrap.

Database

• Strong experience with Microsoft SQL Server.
• Hands‑on experience with Stored Procedures, Functions, and Views.
• SQL query optimization and database performance tuning.

DevOps & Tools

• Experience with Azure DevOps or GitHub.
• CI/CD pipeline implementation and maintenance.
• Familiarity with SonarQube and code quality tools.
• Docker experience preferred.

Core Qualifications

• Minimum 12+ years of overall IT/software development experience.
• Strong understanding of OOP, design patterns, and SOLID principles.
• Experience working in Agile/Scrum environments.
• Excellent problem-solving, communication, and troubleshooting skills.
• Must be available for the mandatory onsite customer interview in Wilmington, DE.

Preferred Skills

• Kubernetes and container orchestration.
• Messaging technologies such as Kafka, RabbitMQ, and Azure Service Bus.
• Authentication and authorization protocols: OAuth 2.0, JWT, and OpenID Connect.
• BFSI, FinTech, or enterprise digital transformation project experience.

Good to Have

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• Strong ownership, accountability, and client-focused mindset.
• Ability to collaborate effectively and adapt to evolving technologies.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.