Junior Software Engineer

Ptc
San Mateo, CA

The Junior Software Engineer will: Assist in developing and maintaining frontend 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. Participates actively in code reviews and team discussions. Builds strong working relationships across engineering, QA, and product. Ability to commute to the San Mateo office 2-3 days a week. 0-2 years of experience developing web applications (internship, coop, 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. Some exposure to object-oriented programming (Java preferred) through coursework or practical projects. Familiarity with relational databases and SQL concepts. Clear verbal and written communication skills. Curiosity, attention to detail, and willingness to learn in a collaborative environment. Experience with source control tools such as Git. Exposure to SaaS applications or cloud environments. Experience writing unit tests or conducting basic QA. Personal/portfolio projects demonstrating UI development or JavaScript framework usage.

Posted 2026-02-04

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