Top .NET Developer Jobs in Columbus, OH

Develop and support scalable enterprise web applications for Allstate’s Individual Health Sales business. Responsibilities include designing systems, building full-stack features with C#, ASP.NET, and front-end frameworks, practicing test-driven development, creating CI/CD pipelines, supporting production software, and collaborating in Agile/Scrum ceremonies. The role also involves API and database development, technical decision-making, debugging, knowledge sharing, and continuous improvement.

Build and maintain web-based e-commerce applications using C#/.NET and ASP.NET MVC. Work in Visual Studio with Git, unit and integration testing, and a build server. Collaborate with the development team to design and implement features, ensure code quality, and support company growth. Preferred experience includes .NET Core, Web API, JavaScript frameworks, ORMs, and MAUI.

Design, build, and maintain production-grade .NET web applications and APIs on Azure. Own full-stack delivery from data models and SQL to front-end components, CI/CD, testing, and architecture. Collaborate with product and delivery teams, participate in code reviews, and ensure secure, observable, well-tested services.

Senior .NET Software Engineer responsible for end-to-end software development using Microsoft technologies. Requires extensive experience in SDLC, design principles, technical documentation, web application development with .NET, Agile/SCRUM, Entity Framework, database design, and version control. Familiarity with project tools JIRA, TEMPO, Bitbucket, and Confluence preferred.

Develop and maintain web-based applications using .NET/C#, JavaScript, HTML/CSS, SQL and Oracle/SQL Server. Perform root cause analysis, collaborate with teams for requirements, follow Agile SDLC, present change demonstrations, and use Azure DevOps/Jira for lifecycle management. Implement and maintain Blazor components.

Senior .NET Web App Developer responsible for designing and building .NET web applications, implementing Oracle PL/SQL solutions, using Entity Framework and Blazor, applying design principles, producing technical documentation, performing performance tuning, and collaborating in Scrum/Agile teams with Bitbucket, JIRA, Tempo, and Confluence.

Develop and maintain backend services and RESTful APIs using C# and .NET. Design and optimize MySQL schemas and queries, troubleshoot production and staging issues, improve performance and scalability, document architecture, and uphold code quality and security. Collaborate with cross-functional teams in a fully remote environment while contributing to development best practices and continuous improvement.

We are looking for a Full Stack .NET Developer to design, develop, and support web applications, ensuring user-friendly interfaces and efficient data handling.

Searching for a Software Engineer with skills in Angular and .NET Core to drive technology adoption and support departmental goals.

The .Net Front End Developer will design tailored solutions for a learning platform, troubleshoot issues, provide production support, and deliver project documentation.

The C# / .NET Developer will design and maintain middleware applications, build Shopify integrations, and support a mobile app backend in a remote work environment.

Develop and maintain InfoTrack's cloud-based web solution: build backend C#/.NET services, integrate third-party SOAP/REST APIs, design databases, implement full-stack features (React/JS), follow microservices patterns, write tests, collaborate in Agile teams, and recommend product and usability improvements.

Develop and architect scalable cloud-based software for an IoT asset-tracking platform. Responsibilities include translating business requirements into technical designs, leading complex feature development, mentoring engineers, conducting code reviews, promoting engineering best practices, evaluating distributed-system trade-offs, and collaborating with product, operations, and customer success teams.

Lead hands-on architecture and development for a cloud-based IoT asset-tracking platform. Design scalable distributed systems, APIs, data models, and platform components; resolve complex performance and reliability challenges; and champion testing, CI/CD, observability, and security practices. Lead an agile engineering team, manage delivery, mentor and hire engineers, collaborate with Product and Operations, and drive adoption of AI development tools and AI/ML capabilities.

Build and maintain scalable, cloud-native APIs using .NET. Enhance core platform components, lead architecture and testing discussions, optimize telemetry and performance, collaborate cross-functionally, conduct code reviews, and mentor team members.

The Senior .NET Software Engineer will drive development of .NET software products, focusing on back-end engineering, code reviews, and collaborating with cross-functional teams.

The Senior .Net Developer will enhance SDG's C#/.NET Core codebase, design high-load services, and optimize MS SQL queries, benefiting from a remote work environment and attractive benefits.

Design, develop, test, and deploy scalable full-stack solutions across the lifecycle. Collaborate in Agile teams, use cloud platforms and CI/CD, mentor teammates, engage directly with clients, and apply modern development and DevOps practices.

The role involves full-stack software development, adhering to Agile practices, and collaborating across teams. Responsibilities include coding, testing, and maintaining software systems while mentoring team members.

Senior .NET developer responsible for application development using Microsoft stack (C#, .NET, ASP), LAMP technologies, and multiple RDBMS. Integrate with SaaS platforms (Salesforce, Concur, Coupa, Qualtrics), support production releases, follow change-management and documentation processes, and improve processes while managing multiple tasks in a fast-paced environment.

Develop, test, deploy, and maintain .NET-centric web applications using C#, Angular 17+, and Azure. Build and consume REST APIs, work with SQL Server, source control, CI/CD pipelines, and collaborate on code reviews, debugging, performance optimization, and third-party integrations.

Develop and maintain scalable software solutions, mentor developers, and integrate AI tools. Collaborate on technical solutions aligned with business goals.

Design, develop, test, debug, document, and implement moderately complex intranet web software and automation applications. Provide Windows Server administrative support across production, UAT, and development, participate in evening change windows, deliver technical recommendations for Revenue Assurance, and produce high-quality deliverables on multiple development projects.

Senior .NET developer responsible for designing, developing, testing and documenting enterprise applications using C#, .NET (1.1–4.0), ASP.NET, WinForms and Microsoft SQL Server. Acts as technical lead between developers and management, delegates work, ensures on-time delivery, creates test and technical documentation, and follows SDLC and enterprise design standards.

Design, code, test and debug .NET and SQL-based applications (VB.NET, C#), maintain SQL Server (SSIS, Reporting Services), support SharePoint, participate in SDLC, mentor junior developers, and liaise with agencies to meet eligibility and reporting requirements.