Senior .NET Developer

It's fun to work in a company where people truly BELIEVE in what they're doing!

Fullsteam is a leading provider of vertical software and embedded payments technology dedicated to helping businesses flourish by providing their customers with seamless experiences. With a dynamic and growing team of over 1,900 employees, we are committed to driving innovation and delivering best-in-class software and payment solutions that empower small and medium-sized businesses across numerous industries. Our purpose is to help our customers grow their businesses and delight their customers. Join us and be a part of a forward-thinking company that values growth, excellence, and the success of our clients.

We are seeking a seasoned Senior .NET Developer with deep experience in C#, .NET Core, and .NET Web API, along with hands-on expertise in Amazon Web Services (AWS) for deploying and managing cloud infrastructure. Experience with front-end technologies is a plus but not required.

Key Responsibilities

• Design, develop, and deploy new features using the .NET technology stack.
• Build and maintain RESTful APIs using .NET Core and C#.
• Collaborate with stakeholders to refine technical requirements and implement enhancements.
• Maintain and improve existing application codebases.
• Ensure adherence to development standards and best practices.
• Manage IIS-based application hosting and deployment.
• Work closely with offshore development teams and external partners.
• Support and maintain AWS infrastructure components.

Qualifications

• 5+ years of software development experience in a full-stack environment.
• Advanced proficiency in C# and the .NET ecosystem, including .NET Core and Web API.
• Strong experience with Microsoft SQL Server, including query optimization, stored procedures, and data modeling.
• Hands-on experience with AWS, including designing, deploying, and managing EC2 instances, S3, RDS, and other AWS services.
• Proficient in JavaScript and familiar with modern front-end frameworks (e.g., React, Vue.js) – preferred but not required.
• Understanding of state management tools such as Redux or Vuex.
• Familiarity with build tools like Webpack, Grunt, or Gulp.
• Experience with version control systems, especially Git.
• Understanding of CI/CD processes and tools.
• Familiarity with mobile development trends and deployment practices is a plus.
• Experience managing web applications hosted in IIS or with Node.js/Express is beneficial.

Fullsteam supports an inclusive workplace that values diversity of thought, experience, and background. Fullsteam is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, ancestry, age, physical or mental disability, sex, sexual orientation, gender identity/expression, pregnancy, veteran status, marital status, creed, status with regard to public assistance, genetic status or any other status protected by federal, state, or local law.