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Sr .NET Lead Engineer & IAM Specialization - hybrid

Simple Solutions
Posted 2 months ago, valid for 18 days
Location

Dallas, TX 75320, US

Salary

Competitive

Contract type

Contract

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Sonic Summary

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  • The job is for a Sr .NET Lead/Principal Engineer specializing in Identity and Access Management (IAM), requiring 15+ years of experience in C#/.NET development and IAM implementation skills.
  • Candidates must have strong C# development skills, experience with ASP.NET, Web API projects, microservices, and SQL Server, with a focus on hands-on coding rather than oversight.
  • Critical IAM skills include implementing OAuth2 flows, building OIDC authentication in .NET apps, and integrating Okta/Auth0 using SDKs, along with token validation and SAML integration.
  • The role involves designing and implementing secure authentication and authorization solutions, leading the implementation of modern identity standards, and collaborating with various teams to ensure consistency and security across the enterprise.
  • A Master’s degree in a technical field plus 3 years of experience or a Bachelor’s degree with 5 years of related experience is required, with a competitive salary based on qualifications.

Job Title: Sr .NET Lead/Principal Engineer & IAM Specialization - hybrid

MUST HAVES:
​15+ years of experience with C#/.NET development & IAM Implementation skills too.

1. Strong C# Development

  • ASP.NET / Web API projects
  • Microservices or API development
  • SQL Server usage
  • Hands-on coding (not oversight)

2. IAM in Code (Critical)

Look for:

  • Implemented OAuth2 flows in C#
  • Built OIDC authentication in .NET apps
  • Integrated Okta/Auth0 using SDKs
  • Token validation / claims handling
  • SAML integration inside apps

 Position Summary:

The Principal level 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.





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