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# Sr. .NET Full Stack Developer-Software Engineer III

- **Company:** Deloitte T.T.L.
- **Location:** Jacksonville, FL, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), .NET Framework, ADO.NET, Application Programming Interfaces (APIs), Agile Methodology, HTML5, Unit Testing, Microsoft Azure, Cascading Style Sheets (CSS), Software Quality, Computer Engineering, Continuous Integration, Relational Databases, Distributed Systems, Github, Microsoft SQL Server, Nunit, Object-Oriented Software Development, Mstest, Secure Coding, TypeScript, Web Applications, .NET Core, ReactJS, Backend, Git, Vue.js, AngularJS, Solid Principles, Information Technology, Front End Software Development, Restful APIs, Microservices
- **Published:** August 11, 2026
- **Apply:** https://us.experteer.com/career/view-jobs/sr-net-full-stack-developer-software-engineer-iii-jacksonville-fl-usa-58890996

## About the Role

_ meet SLAs * Support CI/CD using Git, Azure DevOps, GitHub Actions with secure deployment practices * Participate in Agile ceremonies and drive code quality via reviews * Collaborate with product managers and interoperability leads to fit healthcare needs * Lead client engagement workstreams to drive process improvement and transformation Tasks * 6+ years of .Net Full Stack development experience * 6+ years in enterprise-grade software in regulated industries (Financial Services, Insurance, Banking) * Secure coding practices and SSDLC, handling PII/NPI with encryption and compliance * Proficiency in C# and .NET (Core / .NET 5+) and OOP; asynchronous patterns * SPA development with modern JS/TypeScript frameworks * Relational database design (SQL Server); EF Core / ADO.NET; transactional integrity * Unit and integration testing with xUnit/NUnit/MSTest * Bachelor's degree in Computer Science / IT / Computer Engineering or related IT discipline * Limited immigration sponsorship may be
available; ability to travel ~10% Key requirements *

## Description

Experteer Overview Senior full-stack engineer at Deloitte, building scalable web apps and APIs in a regulated industry setting. You will bridge backend and frontend, collaborating with cross-functional teams to deliver high-performance software aligned with financial and insurance objectives. The role emphasizes secure coding, architecture design, and end-to-end delivery in a fast-paced environment. This opportunity offers impact through modern tech and a collaborative culture. You will shape solutions for mission-critical systems and engage with stakeholders across engagements. Compensation / Benefits * Design, develop, and maintain scalable .NET web applications and APIs * Build responsive frontends using HTML5, CSS3, JavaScript/TypeScript and frameworks (Angular, React, or Vue.js) * Architect RESTful APIs and microservices with SOLID principles * Design efficient SQL Server databases; use EF Core/ADO.NET; ensure ACID in distributed systems * Tune performance and resolve latency to meet SLAs * Support CI/CD using Git, Azure DevOps, GitHub Actions with secure deployment practices * Participate in Agile ceremonies and drive code quality via reviews * Collaborate with product managers and interoperability leads to fit healthcare needs * Lead client engagement workstreams to drive process improvement and transformation Tasks * 6+ years of .Net Full Stack development experience * 6+ years in enterprise-grade software in regulated industries (Financial Services, Insurance, Banking) * Secure coding practices and SSDLC, handling PII/NPI with encryption and compliance * Proficiency in C# and .NET (Core / .NET 5+) and OOP; asynchronous patterns * SPA development with modern JS/TypeScript frameworks * Relational database design (SQL Server); EF Core / ADO.NET; transactional integrity * Unit and integration testing with xUnit/NUnit/MSTest * Bachelor's degree in Computer Science / IT / Computer Engineering or related IT discipline * Limited immigration sponsorship may be available; ability to travel ~10% Key requirements *


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