Software Engineer - Full Stack .NET

Kforce Inc
Birmingham, Alabama, United StatesFull-timePosted Aug 25, 2026

About the role

Responsibilities

Kforce has a client that is seeking a Software Engineer - Full Stack .NET in Birmingham, AL. Summary: We are seeking a Software Engineer III to join an application development team focused on modernizing enterprise applications and addressing application security and vulnerability remediation. This is a hands-on full-stack .NET role involving legacy application modernization, migration from .NET Framework 4.8 to .NET Core, API and microservices development, database work, and modern containerized environments. The ideal candidate is a strong .NET engineer who is comfortable working across both backend and frontend technologies and can contribute throughout the software development lifecycle. Key Responsibilities:

Develop, enhance, and maintain enterprise web applications using C#, ASP.NET, .NET Framework 4.8, and .NET Core

Modernize legacy applications and support migration from .NET Framework 4.8 to .NET Core

Design and develop RESTful APIs and microservices

Build and maintain responsive web applications using JavaScript, jQuery, and ReactJS

Work with SQL Server and relational/non-relational databases

Develop and maintain SSRS reports and support SSIS data integration processes

Troubleshoot application performance, production issues, and security vulnerabilities

Work with containerized applications and modern development/deployment practices

Participate in code reviews, testing, troubleshooting, and continuous improvement

Collaborate with developers, architects, product owners, and other technical teams in an Agile environment

Use Git and CI/CD practices to support reliable software delivery

Requirements

6-8+ years of professional software development experience

Strong experience with .NET Framework 4.8

Strong experience with .NET Core

Strong C#/ASP.NET development experience

Strong SQL Server experience

Experience with JavaScript and jQuery

Experience developing RESTful APIs and microservices

Experience with ReactJS or comparable modern JavaScript frameworks

Experience with SSRS (SQL Server Reporting Services)

Experience working with source control, preferably Git, and CI/CD practices

Understanding of microservices architecture and web application development

Strong troubleshooting and application performance skills

Preferred Qualifications

Experience with OpenShift

Experience with Docker and Kubernetes

Experience with Harness and modern CI/CD pipelines

Experience with Apache Kafka

Experience with NoSQL databases such as MongoDB, in addition to relational databases such as SQL Server, MySQL, or PostgreSQL

Experience with Angular, Vue, or Node.js

Experience with Python

Experience with Splunk

Experience in application security, vulnerability remediation, or secure software development

Why This Role: This is an excellent opportunity for a senior-level full-stack engineer to work on meaningful enterprise modernization and application security initiatives while leveraging both established .NET technologies and newer cloud-native development practices. Candidates who can bridge legacy .NET applications with modern .NET Core, microservices, APIs, React, and containerized environments will be especially well suited for the role.

The pay range is the lowest to highest compensation we reasonably in good faith believe we would pay at posting for this role. We may ultimately pay more or less than this range. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs. This range may be modified in the future.

We offer comprehensive benefits including medical/dental/vision insurance, HSA, FSA, 401(k), and life, disability & ADD insurance to eligible employees. Salaried personnel receive paid time off. Hourly employees are not eligible for paid time off unless required by law. Hourly employees on a Service Contract Act project are eligible for paid sick leave.

Note: Pay is not considered compensation until it is earned, vested and determinable. The amount and availability of any compensation remains in Kforce's sole discretion unless and until paid and may be modified in its discretion consistent with the law.

This job is not eligible for bonuses, incentives or commissions.

Kforce is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.

By clicking “Apply Today” you agree to receive calls, AI-generated calls, text messages or emails from Kforce and its affiliates, and service providers. Note that if you choose to communicate with Kforce via text messaging the frequency may vary, and message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You will always have the right to cease communicating via text by using key words such as STOP.

Responsibilities

  • Develop, enhance, and maintain enterprise web applications using C#, ASP.NET, .NET Framework 4.8, and .NET Core
  • Modernize legacy applications and support migration from .NET Framework 4.8 to .NET Core
  • Design and develop RESTful APIs and microservices
  • Build and maintain responsive web applications using JavaScript, jQuery, and ReactJS
  • Work with SQL Server and relational/non-relational databases
  • Develop and maintain SSRS reports and support SSIS data integration processes
  • Troubleshoot application performance, production issues, and security vulnerabilities
  • Work with containerized applications and modern development/deployment practices

Qualifications

  • 6-8+ years of professional software development experience
  • Strong experience with .NET Framework 4.8
  • Strong experience with .NET Core
  • Strong C#/ASP.NET development experience
  • Strong SQL Server experience
  • Experience with JavaScript and jQuery
  • Experience developing RESTful APIs and microservices
  • Experience with ReactJS or comparable modern JavaScript frameworks

Benefits

  • Comprehensive medical/dental/vision insurance
  • HSA and FSA options
  • 401(k) plan
  • Life, disability & ADD insurance
  • Paid time off for salaried personnel
  • Paid sick leave for eligible hourly employees

Skills mentioned

C#ASP.NET.NETREST APIsMicroservicesReactMicrosoft SQL ServerDockerGitCI/CD

About Kforce Inc

Kforce is a solutions firm specializing in technology, finance and accounting, and professional staffing services. Our KNOWLEDGEforce® empowers industry-leading companies to achieve their digital transformation goals. We curate teams of technical experts who deliver solutions custom-tailored to each client’s needs. These scalable, flexible outcomes are shaped by deep market knowledge, thought leadership and our multi-industry expertise. Our integrated approach is rooted in 60 years of proven success deploying highly skilled professionals on a temporary and direct-hire basis. Each year, approximately 18,000 talented experts work with the Fortune 500 and other leading companies. Together, we deliver Great Results Through Strategic Partnership and Knowledge Sharing®

IT Services and IT Consulting1,001-5,000 employeesTampa, Fl