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Principal .NET Engineer with IAM - Full Time/W2 Contract - In-Person Interview

TMS LLC
Coppell, TX, United StatesPosted 24 days ago

Role Overview

TMS LLC is hiring a Principal .NET Engineer with IAM - Full Time/W2 Contract - In-Person Interview. This is a contract role in Coppell. Part of TMS LLC's Mobile hiring, posted 3 weeks ago. Full responsibilities, required qualifications, and the apply link are listed in the description below.

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Job description

Job Title: Principal .Net Engineer with IAM

Duration: 6 Months Contract to Hire

Location: Coppell, Tx (In-Person)

 

Position Summary:

The Principal Software Engineer is responsible for identification and development enterprise solutions.

Principal Duties:

  • Design, architect, and implement secure authentication and authorization solutions using Identity and Access Management (IAM) principles to enable Single Sign-On (SSO) and secure access for internal and external applications, platforms, and APIs.
  • Lead the implementation of modern identity standards, including OpenID Connect (OIDC) and OAuth 2.0, supporting a variety of use cases such as web applications, mobile applications, B2B integrations, and service-to-service communication.
  • Build and maintain enterprise-grade integrations with Okta, enabling application onboarding, federation, and secure access to protected resources in alignment with organizational identity standards.
  • Partner closely with architecture, platform, security, and product teams to define and evolve standard authentication and authorization patterns, ensuring consistency, scalability, and security across the enterprise.
  • Document identity architectures, integration patterns, and operational guidance, enabling development teams and platform teams to efficiently onboard applications and troubleshoot authentication and authorization issues.
  • Responsible for one or more applications, working with Business Systems Manager and Business Analyst counterparts on planning and delivering code changes to production, ensuring teams work on schedule
  • Provide business and project expertise when collaborating with clients, IT resources, vendors, consultants and other stakeholders to identify the user requirements, assess technologies, recommend and implement technical solutions.
  • Participate in estimation process.
  • Responsible for source code development; create technical documentation; utilize software configuration, version and quality management processes.
  • Responsible for unit testing, performance tuning, defect remediation during testing, and deployment planning
  • Participate in Production Support Escalation if necessary for high-severity issues within their application domain
  • Can analyze, design and develop complex programming systems independently.
  • Chair Agile Team meetings
  • Performs related duties as assigned by management.

Education and Experience

  • Master’s degree in a technical field + 3 years of work experience or bachelor’s degree in a technical field + 5 years related experience.
  • Experience designing, architecting, and implementing secure authentication and authorization solutions using IAM, SSO, OIDC, SAML, Oauth2
  • Experience developing software for the US mortgage industry.

Knowledge, Skills, and Abilities

  • Adaptive leadership style, capable of leading multi-disciplinary teams with diverse skill sets and experience levels
  • Excellent interpersonal, oral, and written communication skills
  • Ability to respond quickly to sensitive issues, complex inquiries, or complaints from clients, co-workers and or management
  • Strong analytical skills
  • Proficiency with:
  • Okta integration and configuration
  • ASP.Net / MVC / WebApi / C# / .Net 4.0+
  • Developing solutions around  IAM / OIDC / OAuth2
  • Design Patterns
  • OOPS
  • Web Services
  • XML
  • Sql Server 2012 and above
  • Experience with Windows Services
  • Experience in third party integrations.

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

About TMS LLC

TMS LLC logo

TMS LLC

tmsgroup.eu

MobileOn-site

7 other open roles at TMS LLC on TryApplyNow.

Frequently Asked Questions

How do I apply for the Principal .NET Engineer with IAM - Full Time/W2 Contract - In-Person Interview position at TMS LLC?

Use the Apply button above to submit your application directly to TMS LLC. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Where is the Principal .NET Engineer with IAM - Full Time/W2 Contract - In-Person Interview position at TMS LLC located?

This position is based in Coppell. TMS LLC has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

What does a Principal .NET Engineer with IAM - Full Time/W2 Contract - In-Person Interview at TMS LLC earn?

TMS LLC has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

When was the Principal .NET Engineer with IAM - Full Time/W2 Contract - In-Person Interview role at TMS LLC posted?

This role was posted on June 15, 2026 (24 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.

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