FullStack Developer - Dotnet

Valsoft Corporation; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

Valsoft Corporation is seeking a skilled FullStack Developer to build seamless user experiences and scalable front-end applications. You will drive UI/UX implementation, optimize performance, and collaborate with cross-functional teams to deliver accessible, responsive interfaces.

Responsibilities include translating prototypes into pixel-perfect code, mentoring juniors, and contributing to design systems while staying current with frontend trends.

Qualifications

• 5+ years in a Software Developer role.
• Proficient with React and modern front-end frameworks.
• Experience with ASP.NET Core (C#) and Microsoft SQL Server.
• Strong Git, CI/CD practices, and cloud DevOps experience.
• Familiarity with Jest, Postman, OAuth2/JWT, and testing.
• Excellent communication and collaboration across teams.

Responsibilities

• Develop, maintain, and improve web applications using React front-end frameworks.
• Translate design prototypes into pixel-perfect, accessible UI.
• Collaborate with product managers, designers, and back-end developers.
• Drive performance optimizations and implement SEO best practices.
• Participate in code reviews and mentor junior developers.
• Address usability and accessibility issues; ensure security and data integrity.

Skills

React

Azure DevOps

ASP.NET Core

C#

SQL Server

Git

Unit Testing (Jest)

Postman

OAuth2/JWT

Agile/Waterfall

CSS/HTML

Tools

VSCode

IntelliJ

Job description

We are seeking a skilled and experienced FullStack Developer with a passion for building seamless user experiences and scalable front-end applications. You will be instrumental in driving UI/UX implementation, optimizing performance, and collaborating with cross-functional teams to deliver intuitive, accessible, and responsive interfaces.

• Develop, maintain, and improve modern web applications using front-end frameworks using React.

• Translate design prototypes and wireframes into high-quality code with pixel-perfect precision.

• Collaborate closely with a product manager, designers, back-end developers to deliver high-quality user experiences.

• Drive performance optimizations, SEO best practices, and responsive design.

• Participate in code reviews, provide constructive feedback, and mentor junior developers.

• Identify and address usability and accessibility issues.

• Stay up-to-date with emerging front-end trends, technologies, and best practices.

• Contribute to the evolution of our component libraries and design systems.

Requirements

• Proficient in Azure Devops (Functions, Apps, etc) and React Framework.

• At least 5 years in Software Developer role

• Knowledge of Microsoft SQL Server, Git Repository, Continuous Integration and ASP.NET Core (C#).

• Knowledge of Unit Testing (Jest (Node)), Postman (for API testing), andDebuggers: Language-specific or IDE-based (VSCode, IntelliJ, etc.).

• Knowledge of OAuth2 / JWT for authentication, HTTPS / TLS.

• Knowledge of Agile or Waterfall.

• Strong analytical and problem-solving skills.

• Strong written and verbal communication skills.

• Ability to work independently and as part of a team.

• Strong attention to detail and ability to meet deadlines.