Senior .Net Developer​/C#

* Description
* As a
* Senior
* * Application Developer*, you'll design and build software solutions for a mortgage servicing platform. This means creating applications that help manage home loans and related financial processes. You'll use
* Microsoft technologies* (like .NET and C#) and
* cloud services* (primarily AWS) to develop these solutions. Your responsibilities include writing clean, efficient code for complex business applications, testing your work to ensure quality, deploying the software into production, and supporting it after launch. You'll also document your work and collaborate with teams to ensure everything runs smoothly.

* The
** Senior
* * Application Developer will:
* Use the latest tools and techniques (.NET, .NET Core, C#, Agile Methodologies, Web Services, SQL, SSIS)
In-depth knowledge of JavaScript, CSS, HTML, functional programming, and front-end languages
Prepare software for deployment to production environments
Respond to and resolve questions and issues logged by users of a live system
Manage small projects independently and work as a team member on larger projects
Perform other related duties as required and assigned
Demonstrate behaviors which are aligned with the organization's desired culture and values

* What You'll Do
* * Write
* high-quality code
* to build apps.

* Test your code to make sure it works.

* Deploy (launch) the app so people can use it.

* Fix problems when users report issues.

* Work on small projects alone or big ones with a team.

* REQUIRED SKILLS:

* * C# or .NET Core:

Experience with Version 8 (Version 6 is also acceptable)

* Cloud

Experience:

AWS - EC2, SQS, SNS, Lambda, Containers, API Gateway

* SQL

* Full-Stack Development:
Candidates must have hands-on experience across all layers of the application, including both front-end and back-end

* AI Tools:

Experience with AI-based coding assistants (e.g., Git Hub Copilot or equivalent) is a
* must.
* * ONSITE 5x DAYS A WEEK in WESTLAKE, CALIFORNIA
* * Additional

Skills & Qualifications
* Bachelor's degree or equivalent work experience
7+ years of relevant work experience
Knowledge of Agile Methodologies, such as Extreme Programming (XP) and Scrum is helpful

Experience with relational databases (SQL Server, MySQL, Postgre

SQL)
Knowledge of design patterns, refactoring and unit testing

Experience with Linux and open source software is a plus
AWS Environment - EC2, SQS, SNS, Lambda, Containers, API Gateway experience highly preferred
Financial services experience, especially related to mortgages and mortgage backed securities, is desirable
AI Co-pilot or equivalent AI coding experience

* Experience Level
* Expert Level

* Job Type & Location
* This is a Contract to Hire position based out of Westlake Village, CA.

* Pay and Benefits
* The pay range for this position is $67.00 - $72.11/hr.
Eligibility requirements apply to some benefits and may depend on your job
classification and length of employment. Benefits are subject to change and may be
subject to specific elections, plan, or program terms. If eligible, the benefits
available for this temporary role may include the following:

* Medical, dental & vision

* Critical Illness, Accident, and Hospital

* 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available

* Life Insurance (Voluntary Life & AD&D for the employee and dependents)

* Short and long-term disability

* Health Spending Account (HSA)

* Transportation benefits

* Employee Assistance Program

* Time Off/Leave (PTO, Vacation or Sick Leave)

* Workplace Type
* This is a fully onsite position in Westlake Village,CA.

* Final date to receive applications
* This position is anticipated to close on Jan 2, 2026.
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About TEKsystems:

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change.

That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an…