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Senior Backend .NET Developer

Collabera

On-site
Redmond, WA
Full-time
Senior
10+ yrs
Salary not listedPosted 3w ago

Real job — pulled straight from Collabera’s careers page · Verified September 5, 2026 · No reposts.

Job description

Collabera is hiring a Senior Backend .NET Developer — a full-time, based in Redmond, WA role. Apply directly on Collabera's careers page below.

Senior Backend .Net Developer

Location: Redmond, WA, us

Company Description

Established in 1991, Collabera has been a leader in IT staffing for over 22 years and is one of the largest diversity IT staffing firms in the industry. As a half a billion dollar IT company, with more than 9,000 professionals across 30+ offices, Collabera offers comprehensive, cost-effective IT staffing & IT Services. We provide services to Fortune 500 and mid-size companies to meet their talent needs with high quality IT resources through Staff Augmentation, Global Talent Management, Value Added Services through CLASS (Competency Leveraged Advanced Staffing & Solutions) Permanent Placement Services and Vendor Management Programs. 

Collabera recognizes true potential of human capital and provides people the right opportunities for growth and professional excellence. Collabera offers a full range of benefits to its employees including paid vacations, holidays, personal days, Medical, Dental and Vision insurance, 401K retirement savings plan, Life Insurance, Disability Insurance.

Job Description

Position Details:

Client- HCL America.

• 10+ years of commercial software development experience using C# and .NET or similar.

• 10+ years of combined experience architecting Enterprise-Services [SOA] and building large scale web services and APIs.

• 6+ years on the following ASP.NET MVC.

• 4+ years of experience using HTML5, CSS3/SASS/LESS, AngularJS, JQuery and Knockout.

• 6+ years of experience utilizing SQL Server; LINQ, ADO.NET Entity Framework; PowerShell.

• Deep technical knowledge of, and real world experience in Azure PaaS services:

• Web Sites/Web Roles/Worker Roles/Web Apps/Storage/Azure Service Bus.

• Experience building large scale content management systems with localization, workflows and versioning features.

• Experience integrating Federated Identity (ADFS) or oAuth (Facebook, LiveID, etc.) into web services.

• Experience working with CMS including localization, workflows and versioning features.

• Experience with TFS and the Application Lifecycle Management using VSTS.

• Experience writing quality code that complies with software development fundamentals.

• Knowledge and passion for Agile development practices.

Qualifications

Senior Backend .Net Developer

Additional Information

To know more about this position, please contact:

Nafia Sultana

Phone: 9738412315

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Frequently asked questions

What skills are required for Senior Backend .NET Developer at Collabera?

The required skills for Senior Backend .NET Developer at Collabera include: C#, .NET, HTML, CSS, AngularJS, jQuery, SQL Server, PowerShell, Azure, Agile.

What is the seniority level for Senior Backend .NET Developer at Collabera?

Senior Backend .NET Developer at Collabera is a Senior level position.

How do I apply for Senior Backend .NET Developer at Collabera?

You can view the full description and apply for Senior Backend .NET Developer at Collabera on EchoJobs: https://echojobs.io/job/collabera-senior-backend-net-developer-mfk47.