Senior Full-Stack Engineer — .NET, APIs & Cloud

One Call; Dover (DE); On-site; USD 100,000 - 140,000; Full time

Job summary

One Call is seeking a highly motivated Full Stack Engineer with strong .NET experience to design, develop, and maintain scalable web applications across frontend and backend systems. You will deliver secure, high-performance software and participate in code reviews, testing, and deployment.

Responsibilities include building RESTful APIs, microservices, and CI/CD pipelines in an Agile environment, collaborating with product managers, designers, and other engineers.

Qualifications

• Bachelor's degree in Computer Science or related field is required.
• 7+ years of full stack development experience.
• Strong proficiency in C# and .NET Framework/.NET Core, MVC/Web API, MSSQL.

Responsibilities

• Design, develop, and maintain web applications using ASP.NET, MVC/Core and C#.
• Build and consume RESTful APIs and microservices.
• Develop responsive front-end interfaces using HTML, CSS, JavaScript, and modern frameworks (Angular/React).
• Write efficient, scalable SQL queries, stored procedures, and functions in MSSQL.
• Optimize performance, scalability, and security.
• Collaborate in Agile environments with product managers, designers, and engineers.
• Troubleshoot production issues focusing on reliability and performance.
• Participate in code reviews and CI/CD practices.

Skills

C#

ASP.NET

SQL Server

REST APIs

Angular

React

JWT/OAuth

Git

CI/CD

Azure

Docker

Kubernetes

Kafka

Education

Bachelor's degree in Computer Science or related field

7+ years of full stack development experience

Tools

Git

Job description

One Call is seeking a highly motivated Full Stack Engineer with strong .NET experience to design, develop, and maintain scalable web applications across frontend and backend systems. You will deliver secure, high-performance software and participate in code reviews, testing, and deployment.

Responsibilities include building RESTful APIs, microservices, and CI/CD pipelines in an Agile environment, collaborating with product managers, designers, and other engineers.