Senior Software Engineer, .NET/C# (Authentication

Judge Group, Inc.; Austin (TX); Hybrid; USD 185,976,000 - 199,752,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Job summary

Judge Group, Inc. seeks a Senior Software Engineer specializing in .NET/C# to lead authentication platforms within IAM. The role balances system design and hands-on coding in a fast-paced Agile environment, with a 50/50 split and collaboration across engineering teams.

The position is Hybrid in Austin, TX, for a 3-month contract with strong extension potential. Candidates should have 7+ years in C#/.NET, frontend JS/TS experience (Angular or React), and deep IAM expertise, ready to drive

Qualifications

• Bachelor's degree in Computer Science or related field or equivalent.
• 7+ years in C#/.NET and API development for high-performance services.
• Frontend experience with Angular or React.
• IAM architectures, authentication protocols and federated identity.
• NoSQL stores such as MongoDB or Aerospike.
• CI/CD automation and Git-based workflows.

Responsibilities

• Lead end-to-end design and delivery of enterprise authentication platforms across environments.
• Architect distributed, high-availability systems with low latency.
• Define roadmaps with cross-functional teams and manage risk.
• Build and maintain identity and credential services for partner networks.
• Champion code health with reviews, TDD, and automated CI/CD pipelines.
• Mentor junior engineers and drive engineering excellence.
• Diagnose production issues using metrics and logs.

Skills

C#/.NET

Frontend (Angular/React)

IAM architectures

NoSQL databases

CI/CD automation

Git/Bamboo/Bitbucket/Jira workflows

Education

Bachelor's degree in Computer Science or related field

Master's degree preferred

Tools

Google Cloud Platform

Job description

Location: Austin, TX Salary: $65.00 USD Hourly - $70.00 USD Hourly Description: Our client is currently seeking a Senior Software Engineer, .NET/C# (Authentication)

Location: Hybrid in Austin, TX (On-site 4 days per week)

Job Type: 3 months (strong possibility for extension)

About the Role

As a Senior Software Engineer on the Identity & Access Management (IAM) team, you will serve as a hands-on technical lead in a fast-paced Agile environment. You will divide your focus equally between system design and hands-on coding (50/50 split), driving the architecture, implementation, and long-term scalability of a mission-critical enterprise authentication platform. In this role, you will collaborate with cross-functional engineering teams to ensure high-throughput, fault-tolerant, and secure identity systems that protect both internal core services and external client integrations.

Responsibilities

• Lead end-to-end design, development, and delivery of enterprise authentication platforms across QA, UAT, and production environments.
• Architect robust, distributed systems optimized for high availability, low latency, and fault tolerance.
• Partner with Product Management, Scrum Masters, QA, and Technical Operations to define technical roadmaps, size work, prioritize features, and mitigate project risks.
• Build and maintain identity and credential management services bridging enterprise security layers and distributed partner networks.
• Champion code health and engineering excellence by conducting structured design and code reviews with distributed teams, enforcing test-driven development (TDD), and automating CI/CD pipelines.
• Mentor and provide technical leadership to junior and mid-level engineers.
• Diagnose and resolve complex production anomalies using metrics, dashboards, and distributed log analysis tools.

Minimum Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, a related technical field, or equivalent practical experience.
• 7+ years of professional software engineering experience using C# and the .NET ecosystem to build server-side applications and high-performance APIs.
• Hands-on frontend development experience utilizing modern JavaScript/TypeScript frameworks (Angular or React).
• Experience with Identity and Access Management (IAM) architectures, authentication protocols (e.g., Kerberos, certificate-based authentication), and federated identity solutions.
• Experience with NoSQL and distributed data stores (e.g., MongoDB, Aerospike).
• Experience driving CI/CD automation and version control workflows (e.g., Git, Bamboo, Bitbucket, Jira).

Preferred Qualifications

• Master's degree in Computer Science or a related technical field.
• 3+ years of experience in a technical lead capacity driving architecture decisions and cross-team adoption of engineering standards.
• Experience deploying, scaling, and managing cloud-native services on Google Cloud Platform (Google Cloud Platform).
• Familiarity with AI-assisted software development practices and Specification-Driven Development methodologies.
• Deep experience in the financial services, fintech, or digital brokerage sectors handling sensitive customer transaction and identity data.
• Advanced expertise in production telemetry, real-time alerting, and root-cause analysis using observability platforms such as Splunk.

Medical, dental, and vision insurance are available to qualified candidates who meet eligibility requirements.