ASP/ .Net SW Developer

  • Austin, TX
  • Posted 5 days ago | Updated 4 hours ago

Overview

Remote
On Site
Hybrid
BASED ON EXPERIENCE
Contract - W2
Contract - Independent
Contract - 11+ mo(s)

Skills

SOFTWARE DEVELOPMENT
SOFTWARE DEVELOPER
ASP.NET
ASP
SQL SERVER
HTML
CSS
JAVASCRIPT
TYPESCRIPT

Job Details

Legacy & Modern Web Systems Developer
Remote | 12+ Months

At iSphere, we know not every system is shiny and new and that s exactly why we re looking for someone like you. We re searching for a seasoned developer (20+ years in the trenches) who can balance the art of maintaining and modernizing legacy applications while still pushing forward with today s .NET Core, RESTful APIs, and modern frameworks.

This isn t just another keep the lights on role you ll be the one keeping business-critical systems alive and leading the charge toward modernization.

What You ll Do

  • Maintain and enhance classic ASP and ASP.NET applications, making sure they stay stable and useful.

  • Troubleshoot and optimize complex SQL queries, schemas, and stored procedures (yes, you ll get deep into the guts of databases).

  • Work with Entity Framework, SSRS, and SSIS to handle complex data needs.

  • Build and maintain Web APIs using .NET Core, always with RESTful best practices in mind.

  • Put your front-end chops (HTML, CSS, JavaScript, Bootstrap, TypeScript) to work on everything from bug fixes to ADA 504 compliance.

  • Help redesign and migrate legacy apps to modern, compatible frameworks.

  • Partner with cross-functional teams to define, design, and roll out new features.

  • Support production in a fast-paced environment because downtime isn t an option.

  • Apply DevOps and Agile/Scrum practices, keeping delivery efficient and predictable.

  • Bonus: experience with ArcGIS and Crystal Reports (both the vintage and newer flavors).

What You Bring

  • 20+ years of hands-on development experience spanning legacy through modern frameworks.

  • Mastery of classic ASP and ASP.NET, with real-world project examples to back it up.

  • Deep SQL Server expertise: schema design, stored procedures, performance tuning, and entity framework.

  • Strong front-end experience (HTML, CSS, JavaScript, TypeScript, Bootstrap).

  • Proven ability to deliver under pressure with excellent multitasking and prioritization skills.

  • Familiarity with unit testing frameworks (nUnit or similar).

  • 10+ years of Crystal Reports experience, including older versions.

  • 5+ years building RESTful APIs in ASP.NET Core.

  • Demonstrated success in redesigning and modernizing legacy applications.

  • Experience ensuring applications are ADA 504 compliant.

  • Excellent communication skills confident with stakeholders, clear in documentation, proactive in ownership.

Nice-to-Haves

  • Previous project experience with the Texas Education Agency.

  • Familiarity with ArcGIS Software.

Why iSphere?

We ve been building long-term relationships with our consultants and clients for over 20 years. We re not about cookie-cutter staffing we re about pairing smart people with meaningful work, all while keeping our culture fun, supportive, and authentic. If you want to be part of a team that values both technical depth and human connection, let s talk.

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About iSphere