Demo

Senior Architect 1

UNICON International Inc.
Columbus, OH Contractor
POSTED ON 4/26/2026
AVAILABLE BEFORE 5/25/2026
Job Title: Senior Architect 1

Location: Columbus, OH

Work Model: Onsite

Compensation: $149-154k

Position Overview

The client is seeking a Senior .NET Application Architect and Lead Developer to provide technical leadership for application migration and modernization efforts following a recent tax accounting system implementation. This role reports directly to the IT Director and is responsible for assessing existing MVC based and Entity Framework applications, defining architecture recommendations, and leading hands on development work.

This is a delivery focused role requiring both architectural judgment and direct coding responsibility in a fast paced, high visibility environment.

What You Will Be Doing

Essential Duties and Responsibilities

  • Review existing MVC based applications and identify required migration or modernization work.
  • Define and recommend application architecture patterns and technical standards appropriate to the current environment.
  • Break technical work into milestones, deliverables, and development tasks.
  • Provide development estimates and support project planning activities.
  • Lead hands on development of .NET applications and APIs (Rest & GraphQL).
  • Design, develop, and optimize SQL Server stored procedures, indexes, and queries.
  • Ensure best practices with Entity Framework code first and data access patterns.
  • Develop and enhance front end utilizing react and prime react components
  • Collaborate with business analysts to translate functional requirements into technical designs.
  • Work closely with the development team, business analysts, and IT Project Manager to define scope and sequencing.
  • Mentor and support other developers through code reviews and troubleshooting.
  • Support development workflows using GitHub Enterprise.
  • Communicate progress, risks, and technical recommendations clearly to the IT Director and project leadership.
  • Perform other related duties as assigned.

What’s Needed

Professional .NET development experience Required

Demonstrated experience taking ownership of existing applications and codebases Required

Deep expertise with C#, .NET, and Entity Framework Required

Strong experience designing and building RESTful APIs and using GraphQL Required

Advanced SQL Server expertise including stored procedures and indexing strategies Required

Proven Experience Using GitHub Enterprise. Required

Demonstrated experience leading development efforts and mentoring other developers Required

Strong Written And Verbal Communication Skills Required

Experience migrating or modernizing legacy MVC applications Highly desired

Experience with React, Vite, and NodeJS Highly desired

Experience stabilizing or improving applications in active production environments Highly desired

Experience working in public sector or highly visible environments Highly desired

Experience supporting financial, tax, or property related systems Highly desired

Compensation & Benefits

  • Medical, dental, and vision insurance
  • 401(k)
  • Other standard benefits as applicable

About Unicon

UNICON is a workforce solutions provider with over 35 years of experience supporting organizations across a variety of industries. We partner with our clients to deliver skilled professionals while maintaining a strong focus on quality, compliance, and long-term relationships. UNICON is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Salary : $149,000 - $154,000

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