Sr Full Stack Engineer

Pennymac•Westlake Village, CA

2h•$90,000 - $150,000•Onsite

About The Position

Pennymac (NYSE: PFSI) is a specialty financial services firm with a comprehensive mortgage platform and integrated business focused on the production and servicing of U.S. mortgage loans and the management of investments related to the U.S. mortgage market. At Pennymac, our people are the foundation of our success and at the heart of our dynamic work culture. Together, we work towards a unified goal of helping millions of Americans achieve aspirations of homeownership through the complete mortgage journey. The Sr Full Stack Developer supports our Finance department and leads the development and maintenance of our critical in-house applications. This role requires a strong understanding of full-stack development principles, a proven track record of delivering high-quality software, and expertise in our technology stack: Ruby on Rails, Node.js, React, MS SQL Server, and AWS services. The Sr Full Stack Developer will be responsible for designing, developing, testing, and deploying robust and scalable applications that directly support our financial operations.

Requirements

Bachelor’s degree or equivalent work experience
5+ years of relevant work experience in developing and deploying full-stack applications
Proven experience in building and maintaining Ruby on Rails applications.
Strong proficiency in Node.js for backend development
Deep understanding of React and its ecosystem for building interactive user interfaces
Expertise in designing, implementing, and optimizing MS SQL Server databases
Hands-on experience with AWS services, including EC2, RDS, S3, Lambda, and others
Understanding of financial processes and applications
Experience with CI/CD pipelines and infrastructure as code

Responsibilities

Design, develop, and maintain full-stack applications using Ruby on Rails, Node.js, React, and related technologies
Write clean, efficient, and well-documented code that adheres to best practices and coding standards.
Implement and maintain RESTful APIs for seamless data exchange between front-end and back-end systems
Participate in architectural discussions and contribute to the design of scalable and maintainable systems
Design and optimize database schemas using MS SQL Server
Write complex SQL queries and stored procedures for data retrieval and manipulation
Deploy, manage, and monitor applications on AWS cloud services (e.g., EC2, RDS, S3, Lambda)
Conduct code reviews and provide constructive feedback to team members
Monitor application performance and identify areas for improvement

Benefits

Comprehensive Medical, Dental, and Vision
Paid Time Off Programs including vacation, holidays, illness, and parental leave
Wellness Programs, Employee Recognition Programs, and onsite gyms and cafe style dining (select locations)
Retirement benefits, life insurance, 401k match, and tuition reimbursement
Philanthropy Programs including matching gifts, volunteer grants, charitable grants and corporate sponsorships

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