.NET Developer (Onsite)

Main Sail LLC; Columbus (OH); On-site; USD 95,000 - 140,000; Full time

Job summary

Main Sail LLC in Columbus, OH is seeking a seasoned .NET Web Developer to design, develop, and maintain ASP.NET MVC applications using C#, ADO.NET and SQL Server in an agile environment.

You will gather requirements, implement multi‑tier architectures, and rewrite legacy apps while adhering to coding standards. You will collaborate across teams and mentor junior staff to deliver robust web solutions.

Qualifications

• Experience in .NET Web Developer role building ASP.NET MVC apps with ADO.NET; 10 years.
• Proficient in ASP.NET development using C#, 10 years.
• SQL Server design/development including queries, tables, views, stored procedures, and functions.
• Experience with .NET Framework 4.0+.
• SOA experience with WCF.
• Experience with N-tier architectures.
• TFS experience for repo, promotions, recovery.
• EF 4.0+ development.
• SSRS/SSIS reporting in MVC apps.
• Agile with TFS/DevOps.
• Visual Studio proficiency incl VS2019.
• Azure DevOps, Git, Boards, CI/CD.
• REST API experience.
• AJAX-enabled controls in ASP.NET; 5 years preferred.

Responsibilities

• Gather requirements, design, develop, test, deploy and support applications.
• Rewrite legacy applications to .NET using C# and ASP.NET Core frameworks.
• Collaborate with IT staff, project managers and developers in an agile environment.
• Ensure applications align with coding standards and architectural guidelines.
• Provide technical guidance and mentoring to junior staff.

Skills

Communication

Leadership

Collaboration

Facilitation

Time management

Requirements prioritization

Analytical thinking

English proficiency

Mentoring

Tools

ASP.NET MVC

ADO.NET

SQL Server

WCF

Entity Framework

SSRS/SSIS

Visual Studio

Azure DevOps/TFS

REST API

AJAX

Job description

The selected Consultants will work closely with the designated I.T. supervisor, project managers and other developers in an agile development environment. The work scope of the consultant will include requirements gathering, application design, application development, testing, deployment and technical support.

The Consultants, in working with ODPS staff, will be responsible for new development and/or rewriting legacy applications to .NET applications utilizing C#, ASP.NET Core MVC, Web API, Windows Forms, SQL Server, SSRS, SSIS and other technologies. The new applications will implement an N-tier architecture and comply with ODPS coding standards:

• Strong communication/ leadership skills.
• Strong influence, collaboration and negotiation experience.
• Ability to collaborate with supporting resources across business and/or functional lines.
• Have excellent oral and written skills/possess strong meeting and work session facilitation skills.
• Have the ability to work independently and as part of a team, the ability to manage time and resources to meet assigned deadlines.
• Have strong understanding of prioritization stemming from the elicitation of system and/or user requirements.
• Have excellent organizational skills, proven analytical, planning, problem solving, and decision-making skills.
• Must be knowledgeable in the English language/speak clearly and understandably use the English language.
• Provides technical guidance and mentoring to technical staff.

Requirements:

• .NET Web Developer developing ASP.NET MVC applications with ADO.NET - Required 10 Years.
• ASP.NET development using C# - Required 10 Years.
• SQL Server database design and development, including query optimization, tables, views, stored procedures, and functions - Required 10 Years.
• Developing web applications using .NET Framework4.0 or higher - Required 10 Years.
• Service Oriented Architecture (SOA) experience developing and securing Windows Communication Foundation (WCF) - Required 10 Years.
• N-tier environments as related to development and deployment - Required 10 Years.
• Code repository, code promotion, and recovery strategies using TFS - Required 10 Years.
• Developing applications using Entity Framework (EF) 4.0 or later - Required 5 Years.
• Developing reports using SSRS and SSIS and making them accessible within an MVC web application - Required 5 Years.
• Developing projects using Agile methodology with TFS / DevOps - Required 5 Years.
• Developing with Visual Studio, including 2 years with Visual Studio 2019 - Required 5 Years.
• TFS/Azure DevOps, including Git, Boards, and CI/CD pipelines - Required 5 Years.
• REST API experience - Required 2 Years.
• Implementing AJAX-enabled controls within ASP.NET web applications - Highly desired 5 Years.

Must live in Ohio.