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Senior Software Engineer

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Onsite

Senior Software Engineer

MAPSYS Inc.

Senior Software Engineer

Skills

SQL QueriesC#.NETAzure

2 days ago

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Important information


Contract type:

Freelance / Contract

Location:

Columbus, OH, USA

Work mode:

Onsite

Published on:

24 October 2026

What they need


Location: Columbus, Ohio (Hybrid - start out 3 days a week and then go to 1 or 2)

Position Type: 6-month Contract to Hire

Position Summary

We are seeking a Senior Software Engineer with strong experience in C#, .NET, Angular, and enterprise application development. This role will be a senior individual contributor responsible for designing and developing high-quality solutions while providing mentorship and guidance to less experienced developers.

The ideal candidate is technically strong, collaborative, and passionate about sharing knowledge, improving development practices, and ensuring well-documented solutions.

Key Responsibilities

  • Design, develop, test, and maintain enterprise applications using C#, .NET, Angular, and SQL Server.
  • Collaborate with product owners, business analysts, and stakeholders to translate business requirements into technical solutions.
  • Serve as a mentor and trusted resource for mid-level and junior developers.
  • Support team members through code reviews, knowledge sharing, and technical guidance.
  • Participate in application architecture and design discussions.
  • Develop and maintain RESTful APIs and integrated application solutions.
  • Diagnoses and resolves complex application issues.
  • Create and maintain technical documentation including design specifications, system diagrams, support procedures, and API documentation.
  • Promote development best practices related to performance, security, maintainability, and testing.
  • Participate in Agile development activities and continuous improvement efforts.

Required Qualifications

  • 7+ years of software development experience.
  • Comfortable leading 1 to 2 Junior level Developers
  • Strong experience with:
  • C#
  • .NET Framework and/or .NET Core/.NET
  • Angular
  • SQL Server
  • REST and SOAP APIs
  • Windows Forms (WinForms)
  • Experience working across the full software development lifecycle.
  • Experience mentoring or coaching other developers.
  • Strong understanding of object-oriented programming, design patterns, and software architecture principles.
  • Experience with Git and CI/CD tools.
  • Strong understanding of application security best practices.
  • Strong written and verbal communication skills.
  • Demonstrated experience producing comprehensive technical documentation.

Preferred Qualifications

  • Azure cloud experience.
  • Azure DevOPs experience.

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