Senior Software Engineer

Relevance Lab; Dallas (TX); On-site; USD 110,000 - 165,000; Full time

Job summary

Relevance Lab in Dallas, TX seeks a Senior IAM Engineer to design, implement, and secure authentication and authorization across applications and APIs. Focus on SSO, OIDC, and OAuth2 across web, mobile, and service-to-service use cases.

You will collaborate with architecture, platform, security, and product teams to ensure scalable, standards-based identity solutions and guide enterprise integrations with Okta in alignment with organizational identity standards.

Qualifications

• Experience designing, architecting and implementing secure authentication and authorization with IAM, SSO, OIDC, SAML, OAuth2.
• Experience developing software for US mortgage industry.
• Strong collaboration with security, architecture and product teams.

Responsibilities

• Design, architect, and implement secure authentication and authorization solutions using IAM principles to enable SSO and secure access for internal and external applications, platforms, and APIs.
• Lead implementation of modern identity standards including OIDC and OAuth 2.0 across web, mobile, and service-to-service use cases.
• Build and maintain enterprise-grade integrations with Okta for onboarding, federation, and secure access.
• Collaborate with architecture, platform, security, and product teams to define and evolve standard authentication patterns.
• Document identity architectures, integration patterns, and operational guidance for onboarding and troubleshooting.
• Coordinate with Business Systems Manager and Business Analyst on planning and delivering production code changes.
• Provide business and project expertise when collaborating with clients and IT resources to identify requirements and implement solutions.
• Responsible for source code development; create technical documentation; manage version and quality control processes.
• Participate in unit testing, performance tuning, defect remediation, and deployment planning.
• Join Production Support Escalation for high-severity issues within the application domain.
• Can analyze, design and develop complex programming systems independently.
• Chair Agile Team meetings and perform related duties as assigned by management.

Skills

Adaptive leadership

Interpersonal communication

Analytical skills

ASP.NET

MVC

Web API

C# .NET

Design patterns

SQL Server

Okta integration

IAM / OIDC / OAuth2

Third-party integration

Education

Masters degree in a technical field

Bachelor's degree in a technical field + 5 years related experience

Tools

Okta

Windows Services

SAML

SSO

OAuth2

OIDC

ASP.Net

SQL Server

Web Services

Job description

Job Description

• 20% IAM related tasks and responsibilities
• 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.
• 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.

Job Description

• 20% IAM related tasks and responsibilities
• 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.
• 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

• Masters degree in a technical field + 3 years of work experience or bachelors 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:
• ASP.Net/ MVC / WebApi / C# / .Net 4.0
• Design Patterns/OOPS/Web Services/XML/Sql Server 2012 and above
• Experience with Windows Services
• Okta integration and configuration
• Developing solutions around IAM / OIDC / OAuth2
• Experience in third party integration