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Senior C# Developer

Job in Westchester, Cook County, Illinois, 60154, USA
Listing for: Halo Group
Full Time, Seasonal/Temporary position
Listed on 2026-10-26
Job specializations:
  • Software Development
    Software Engineer, Web Developer
Salary/Wage Range or Industry Benchmark: 90000 - 120000 USD Yearly USD 90000.00 120000.00 YEAR
Job Description & How to Apply Below
  • Full-time
Job Description

Key drivers-WEB API, WCF and C#: MVC is a plus BIz Talk is a plus.

  • 7 Years of application development experience using C#, ASP.NET, MVC, Web API, SQL Server
  • Experience in Parallel Task & Multi-threaded programming, Asynchronous Methods, Delegates
  • Experience in front end technologies such as JavaScript, jQuery, JSON, HTML5
  • Solid understanding of Object Oriented Programming, Interfaces
  • Solid understanding of Design Patterns Dependency Injection, Domain Driven Design
  • Solid understanding of MVVM, Knockout JS mandatory
  • Knowledge of real-time communication using SignalR & Websocket a plus
  • Experience working in Agile Development Methodologies
  • Timely Support of Production Systems
Qualifications
  • Candidate must have a Bachelor degree with 7 years of application development experience.
  • Excellent oral and written communications skills, including the ability to communicate effectively within the project team and other application teams are required.
  • Organization, time management skills and attention to detail are critical. Must continue to enhance technical knowledge and skills through research and experimentation, in-house and external classes.
  • Must have at-least 4 years of experience designing, developing and maintaining solutions using Biztalk.
  • Experience in configuring multi server Biz Talk environments (DEV, QA, and PROD), new hosts, adding and configuring adapters, performance optimization, service level management, capacity management and availability management.
  • Must have strong implementation knowledge in EDI transactions such as ,824. Knowledge in CIECA implementation is plus.
Additional Information

All your information will be kept confidential according to EEO guidelines.

Position Requirements
10+ Years work experience
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