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# Principal Software Engineer - Assemblies

- **Company:** PTC Inc.
- **Location:** Boston, MA, United States
- **Experience:** Expert
- **Salary:** $112,000.0 - $190,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Computer-Aided Design, Automation of Tests, C++ (Programming Language), Computational Fluid Dynamics, Software as a Service, Code Review, Computer Graphics, Data Structures, Software Design Patterns, Kinematics, Computational Geometry, Software Engineering, Information Technology, Data Management, Programming Languages
- **Published:** July 8, 2026
- **Apply:** https://www.careerjet.com/job/us4f190420fa3fe18ba52b44eb345735a5/eaa

## About the Role

* 5+ years of development experience in an agile environment
 * Experience in developing graphical applications with C++ and/or Java
 * Familiarity with computer graphics, computational geometry or geometric modeling concepts

Preferred Skills and Knowledge:

 * Good knowledge of data structures, algorithms and software design patterns * Strong problem-solving skills
 * Self-sufficient and proactive
 * Effective communication, comfortable working collaboratively on projects
 * Familiarity with geometric modeling kernels (e.g. Parasolid, DCubed)
 * Experience with kinematics or motion simulation is a plus

Preferred Experience:
Experience in developing a CAD, CAM, FEA, CFD or other engineering or scientific application

 * Experience in full stack development
 * Experience working in an agile environment

Minimum Qualifications:

 * Bachelor's degree in computer science, engineering or equivalent
 * US Citizenship or Green Card holder

PTC carefully considers a wide variety of factors when determining compensation. The anticipated annual salary range for this position is between $112,000 - 190,000. The salary range reflects a good-faith estimate of compensation at the time of posting. Actual compensation may vary based on a candidate's skills, qualifications, experience, and location. Additionally, candidates may be eligible for a performance-based bonus. Employees also have the opportunity to become a PTC shareholder through our employee share purchase program (ESPP), which allows for the purchase of discounted PTC stock. Certain roles may also be eligible for participation in our equity programs. Employees may be eligible for medical, dental and vision insurance, paid time off and sick leave, tuition reimbursement, 401(k) contributions and employer match, flexible spending accounts, life insurance, disability coverage and, if you are an office-assigned employee, a generous commuter subsidy.

## Description

Onshape ( www.onshape.com ), a PTC SaaS business, is developing a completely new Computer Aided Design (CAD) and design data management platform, delivered globally as SaaS, for professional mechanical designers and engineers. We have a team of very talented and passionate engineers working on the Onshape service. You will be working on developing a one-of-a-kind 3D collaborative CAD platform with cutting edge cloud, web, and mobile technologies.
Day-To-Day:

 * Design and implement new features and functionalities
 * Troubleshooting customer issues in production stack
 * Work with other teams in refining project specifications
 * Communicate technical design and delivery-schedules with peers
 * Program in different programming languages for different parts of the stack
 * Write automated tests for the newly added code
 * Focus on delivering high quality product and great user experience
 * Review code written by peers


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