Junior Software Engineer

Our world is transforming, and PTC is leading the way. Our software brings the physical and digital worlds together, enabling companies to improve operations, create better products, and empower people in all aspects of their business. 

Our people make all the difference in our success. Today, we are a global team of nearly 7,000 and our main objective is to create opportunities for our team members to explore, learn, and grow – all while seeing their ideas come to life and celebrating the differences that make us who we are and the work we do possible.  

Junior Software Engineer 

Hybrid-San Mateo, CA. 

About Arena 

Arena, a PTC business, helps high-tech manufacturers and medical device companies build products that change the world. Our cloud-based PLM and QMS software is used by innovators such as Nutanix, BioRad, Sonos, Teleflex, and Citrix. As part of PTC, Arena offers an award-winning workplace with a strong work life balance and opportunities to grow. 

Role Summary 

We are looking for a Junior Software Engineer who is eager to learn and contribute to the development of Arena’s SaaS applications. This is an ideal role for someone early in their engineering career who wants exposure to modern web development, scalable SaaS architecture, and cross functional teamwork in a supportive environment. 

You will work closely with senior engineers, product managers, and QA to build and enhance front‑end features, fix bugs, maintain code quality, and grow your technical skillset. 

Key Responsibilities 

The Junior Software Engineer will: 

• Assist in developing and maintaining front‑end components using HTML, CSS, and JavaScript. 

• Implement UI changes based on provided design mockups and guidance from senior engineers. 

• Translate prototypes into well structured, maintainable code with support from the team. 

• Contribute to enhancements and bug fixes across Arena’s Web and Application layers. 

• Write simple unit tests and help improve test coverage under mentorship. 

• Participate in requirement discussions, code reviews, and team design sessions as a learning opportunity. 

• Document code changes and implementation details clearly. 

• Support troubleshooting and debugging activities with guidance from more senior team members. 

Required Qualifications 

• US Citizenship is required due to ITAR needs.

• Ability to commute to the San Mateo office 2-3 days a week.  

• 0–2 years of experience developing web applications (internship, co‑op, academic, or project experience welcomed). 

• Foundational understanding of HTML, CSS, JavaScript, and general web development principles. 

• Basic experience with a modern JavaScript framework (React preferred; Angular/Vue familiarity a plus). 

• Understanding of responsive design and browser compatibility fundamentals.