The SeventhHire LLC
Senior Software Developer
Skills
25 days ago
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Important information
Contract type:
Permanent
Location:
Columbus, OH, USA
Work mode:
Onsite
Published on:
25 September 2026
What they need
Seeking a highly skilled Senior Software Developer with extensive experience in full-stack application development using Microsoft technologies and modern JavaScript frameworks. The ideal candidate will have expertise in .NET Framework, .NET Core, ASP.NET MVC, SQL Server, ReactJS, Next.js, TypeScript, and CI/CD practices. This role is responsible for designing, developing, deploying, and maintaining scalable enterprise applications while providing technical leadership, mentoring team members, and driving development best practices.
Key Responsibilities
Design, develop, test, and maintain enterprise applications using C#, .NET Framework, and .NET Core/.NET 8+.
Build modern, responsive web applications using ASP.NET MVC, ReactJS, Next.js, HTML5, CSS3, JavaScript, and TypeScript.
Develop and maintain RESTful APIs, microservices, and backend services.
Design, develop, and optimize database solutions using Microsoft SQL Server.
Implement and manage CI/CD pipelines to support automated build, testing, and deployment processes.
Ensure adherence to software development, best practices, coding standards, and security guidelines.
Perform code reviews, troubleshooting, debugging, and application performance optimization.
Collaborate with product owners, architects, business stakeholders, and cross-functional teams to deliver high-quality solutions.
Mentor junior developers and provide technical guidance across projects.
Participate in Agile/Scrum ceremonies, sprint planning, estimation, and solution design discussions.
Create and maintain technical documentation, deployment procedures, and system architecture documentation.
Required Skills & Experience
5+ years of SOLID experience in software development.
Strong proficiency in C#, .NET Framework, .NET Core, ASP.NET MVC, and ASP.NET Core.
Hands-on experience with ReactJS, Next.js, HTML5, CSS3, JavaScript, and TypeScript.
Strong knowledge of SQL Server, including database design, stored procedures, query optimization, and performance tuning.
Experience developing and consuming REST APIs.
Experience with Entity Framework / Entity Framework Core.
Hands-on experience with CI/CD pipelines using Azure DevOps, GitHub Actions, or Jenkins.
Proficiency with Git and modern source control practices.
Experience working in Agile/Scrum environments.
Knowledge of Azure Cloud Services, DevOps practices, and application deployment.
Primary Technology Stack
C#, .NET Framework, .NET Core, ASP.NET MVC, ASP.NET Core, SQL Server, ReactJS, Next.js, HTML5, CSS3, JavaScript, TypeScript, Azure DevOps, Jenkins, CI/CD Pipelines, Git, REST APIs, Entity Framework, Azure Cloud Services, JIRA.
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