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Senior Developer (.NET​/Platform

Job in Atlanta, Fulton County, Georgia, 30377, USA
Listing for: 3B Staffing
Full Time position
Listed on 2026-06-02
Job specializations:
  • Software Development
    Cloud Engineer - Software, Backend Developer, Software Engineer, Senior Developer
Job Description & How to Apply Below
Position: Senior Developer (.NET / Payments Platform)
Senior Developer (.NET / Payments Platform)
- 4 location options,
1 year,

USC,GC

Video Interview


.NET Core, SQL, AWS, Microservices, Docker, Kubernetes, Git Hub (incl. Actions), API/Integrations, Payments Domain

Location options- please source locals only for this:
  • OKC = Oklahoma City, OK
  • ATL = Atlanta, GA
  • Salt Lake City = Salt Lake City, UT
  • Chattanooga = Chattanooga, TN
Senior backend-focused .NET developer role supporting a payments gateway platform. Strong hands-on experience required in .NET
, SQL (query writing/troubleshooting), and Git Hub (source control and Git Hub Actions). Role is API and integration heavy, working on processor integrations and payment services;
UI/front-end experience is not a fit
. Platform is moving from monolithic services to AWS-based cloud architecture
; cloud migration experience is a plus.
Payments or financial systems experience strongly preferred
.

Job Description:
  • Software Engineer II
  • Worldpay is seeking an experienced Mid-to-Senior level Software Engineer to work as a key team member developing highly transactional, Cloud-based microservices and solutions, with a focus on tokenization and encryption.
  • The ideal candidate will possess a solid knowledge of .NET Core, cloud based microservices development within AWS.
  • This is a great position for a highly motivated selfstarter that excels in fast paced environments, enjoys an agile environment, and brings a collaborative, team-oriented approach to software development!
SE II Must Have Requirements:
  • 3 to 5 plus years with a minimum 2 years programming experience in financial services or a related industry.
  • .NET Core
  • Cloud experience
  • Microservices experience.
  • AWS
  • Docker
  • SQL and NOSQL Databases
  • Git version control
  • Kubernetes
Additional Qualifications:
  • Payments Domain
  • C/C++
  • Jenkins
  • Web Forms
Position Requirements
10+ Years work experience
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