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3 backend net developer jobs at 3 companies in Jacksonville, FL

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Angular Developer
Jacksonville, Florida, United States
OnsiteFull Time
Intercontinental Exchange
Intercontinental ExchangeNYSE: ICE: Operates global financial exchanges, clearing houses, and mortgage technology.
3+ YOEBachelor's degree required; 3+ years frontend Angular and 3+ years backend C#/.NET experience. Proficiency in TypeScript, HTML5, CSS3, RxJS, Entity Framework, SQL Server, Git, and experience using AI coding assistants.
Angular, C#, ASP.NET Core, .NET 4.8, TypeScript, HTML5, CSS3, RxJS, Entity Framework, SQL Server, Git, GitHub Copilot, Claude Code, Cursor, CSLA, RESTful APIs, Azure, AWS
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Staff Level Software Engineer
Jacksonville, Florida, United States
HybridFull Time
RF-SMART
RF-SMART: Provides mobile warehouse management and inventory tracking software
Staff-level software engineer with web app architecture experience, strong backend and frontend skills, and leadership in design and delivery.
C#, .NET, React
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Senior Full Stack AI Engineer
Jacksonville or Iselin or Washington
$110k-$190k/yr OnsiteFull Time
Fortegra
Fortegra: Provides specialty insurance products and warranty service solutions.
7+ YOE7+ years software engineering, expert React, backend framework experience (Node.js, Python, .NET Core), secure public-facing app and cloud architecture experience, hands-on use of AI coding tools and agentic workflows.
React, Node.js, NestJS, Express, Python, FastAPI, Django, Microsoft .NET Core, AWS, Microsoft Azure, GCP, Claude Code, GitHub Copilot, Cursor, Replit, Lovable
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