Senior Software Engineer

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

Overview

Certara accelerates medicines using proprietary biosimulation software, technology and services to transform traditional drug discovery and development. Its clients include more than 2,000 biopharmaceutical companies, academic institutions and regulatory agencies across 62 countries. Certara touches more than 80% of all drugs that are approved by the FDA and is constantly working to efficiently and effectively guide its customers through drug approval.

As a Senior Software Engineer on the Certara Admin team, you play a role in designing, implementing, and maintaining our software solutions. Your expertise in software development and commitment to delivering high-quality, compliant solutions for our customers will guide your day to day. You will work with a variety of technologies and frameworks to complete tasks in an efficient manner. You will collaborate with cross-functional teams to drive innovative solutions in an agile environment.

Leveraging your expertise as a Senior Full Stack Developer, you will design, develop, and maintain scalable web applications, playing a key role in optimizing both front-end and back-end components to ensure seamless performance and user experience. You’ll be responsible for understanding existing codebases and design approaches while evaluating new technologies to deliver the most effective solutions to complex challenges. A solid understanding of OAuth-based authentication and authorization is important in this role, as Certara Admin manages identity management across our platform.

You will be working within a team of highly accomplished software engineers in an environment which actively encourages collaboration and learning from one another. The leadership team is committed to supporting you in your learning and development and helping you to further advance your career.

To empower our developers, we will equip you with the best hardware and software available.

We are a team that believes in our work as an organization and are looking for team members who lead with curiosity.

Responsibilities

• Develop and maintain features in software applications using 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
• Participate in code and software review processes

Qualifications

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

This is a hybrid role on-site in Radnor, PA.

Certara bases all employment-related decision on merit, taking into consideration qualifications, skills, achievement, and performance. We treat all applicants and employees without regard to personal characteristics such as race, color, ethnicity, religion, sex, sexual orientation, age, nationality, marital status, pregnancy, physical or mental condition, genetic information, military service, or other characteristic protected by law.