Senior Full-Stack Engineer - OAuth & IAM (Hybrid, PA)

Certara; Radnor (Delaware County); Hybrid; USD 120,000 - 150,000; Full time

Job summary

Certara is seeking a Senior Software Engineer on the Admin team in Radnor, PA. You will design, implement, and maintain scalable web applications, focusing on both front-end and back-end components with Java, JavaScript, and PostgreSQL.

You will lead secure OAuth-based authentication flows and collaborate across cross-functional teams to deliver high-quality software. The role emphasizes hands-on development, adherence to coding standards, and participation in code reviews within a

Qualifications

• 4+ years of experience as a Software Programmer or Software Engineer.
• Solid understanding of OAuth 2.0 authentication and authorization protocols.
• Experience with Keycloak or similar identity and access management (IAM) platforms.

Responsibilities

• Develop and maintain features in Java, JavaScript, and PostgreSQL.
• Design and implement secure authentication and authorization flows using OAuth.
• Understand and apply applicable coding standards.
• Collaborate with members of the product, test, and software engineering organizations.
• Write unit tests as appropriate to new functionality and participate in code reviews.

Skills

OAuth 2.0

Cross-functional collaboration

Unit testing

Tools

Java

JavaScript

PostgreSQL

Keycloak IAM

Job description

Certara is seeking a Senior Software Engineer on the Admin team in Radnor, PA. You will design, implement, and maintain scalable web applications, focusing on both front-end and back-end components with Java, JavaScript, and PostgreSQL.

You will lead secure OAuth-based authentication flows and collaborate across cross-functional teams to deliver high-quality software. The role emphasizes hands-on development, adherence to coding standards, and participation in code reviews within a