Senior Full-Stack Engineer: Build Secure, Modern Finance Apps

Worky; Plano (TX); On-site; USD 123,000 - 161,000; Full time

Job summary

Fannie Mae in Plano, TX is seeking a Senior Full Stack Software Engineer to design, develop, test, and support software across the application lifecycle. You will collaborate with teammates to deliver enhancements, maintain databases, contribute to modernization, and ensure secure, reliable code.

The role emphasizes building full-stack apps with .NET/C# or Java/Spring, HTML/CSS/JS, and REST APIs, plus CI/CD deployments and vulnerability remediation.

Qualifications

• 2+ years of relevant software engineering experience.
• Experience developing full-stack web applications.
• Experience with .NET/C# or Java/Spring.
• Front-end technologies including HTML, CSS, and JavaScript.
• Experience with relational databases and SQL.
• Experience using Git-based source control and CI/CD pipelines.
• Knowledge of secure software development practices and vulnerability remediation.
• Strong analytical and debugging skills.
• Excellent communication and collaboration with stakeholders.
• Curiosity and adaptability in learning emerging technologies including AI.

Responsibilities

• Build and support full-stack applications using .NET or Spring, MVC, Angular, and RESTful APIs.
• Develop and maintain UI, APIs, business logic, and database solutions.
• Analyze business requirements and implement enhancements.
• Support deployments and production releases with CI/CD practices.
• Monitor and provide production support for 16+ critical applications.
• Identify and remediate vulnerabilities by updating code and dependencies.
• Research issues and recommend practical solutions.
• Leverage AI-assisted development tools with oversight to maintain quality.
• Support internal Single Family business portals and applications.
• Contribute to modernization of legacy apps and new web-based solutions.

Skills

Full-stack development

.NET/C#

Java/Spring

HTML/CSS/JS

SQL relational databases

Git & CI/CD

Secure SDLC

Debugging & problem-solving

Excellent communication

AI-aware development

Education

Bachelor's degree

Tools

AWS

Terraform

GitHub Copilot

Job description

Fannie Mae in Plano, TX is seeking a Senior Full Stack Software Engineer to design, develop, test, and support software across the application lifecycle. You will collaborate with teammates to deliver enhancements, maintain databases, contribute to modernization, and ensure secure, reliable code.

The role emphasizes building full-stack apps with .NET/C# or Java/Spring, HTML/CSS/JS, and REST APIs, plus CI/CD deployments and vulnerability remediation.