Principal Software Engineer - Onshape

Onshape; Boston, Northern (MA, KY); Hybrid; USD 131,000 - 180,000; Full time

Benefits offered by this job

Health insurance

401(k) plan

Commuter subsidy

Paid time off

Job summary

Onshape, a PTC SaaS business, seeks a Principal Software Engineer to shape the UI and modeling capabilities of its cloud CAD platform in Boston. You will scale complex interactions, improve performance for large datasets, and contribute across design, back-end services, and front-end code.

The role emphasizes collaboration with product, UX, and quality teams, regular code reviews, and delivering robust features for the Onshape service. A hybrid Boston location is required.

Qualifications

• Bachelor’s degree or equivalent work experience.
• Experience with TypeScript, Java, and C++ in large-scale projects.
• Strong understanding of data structures and algorithms.

Responsibilities

• Design, implement, and improve UI and backend interactions for Onshape’s CAD platform.
• Tune performance for large datasets and complex models.
• Collaborate with product, UX, and QA teams to refine specifications.
• Participate in code reviews and fix bugs across the system.

Skills

TypeScript

Java

C++

Data structures

Algorithms

CAD experience

Large codebases

Education

Bachelor’s degree

Job description

## Principal Software Engineer - OnshapeApply: Boston, MA, USA: Full time: Posted 4 Days Ago: JR112801Our 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.**Principal Software Engineer - Hybrid Boston, MA****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. Think SolidWorks meets GitHub meets Google Docs. Our office is in the beautiful 121 Seaport Blvd. building in the heart of Boston’s Seaport District. We have a fantastic team of ~100 people working on the **Onshape**service. You will be working on a one-of-a-kind 3D collaborative CAD application with cutting edge cloud, web, and mobile technologies. **Your Impact:** Using your full-stack expertise, you will develop **Onshape’s** UI and modeling functionality to enable users to do their work in an efficient and intuitive way. Use your skills in programming and algorithms to scale these interactions from simple designs to complex ones with thousands of components. Add value to important workflows in CAD, such as simulation, design and manufacturability analysis, and import/export. You can have a hand in helping **Onshape’s** customers bring bigger and better ideas to life. **Day-To-Day:*** Design, implement and improve code related to **Onshape’s** user interface and communications with back-end services* Tune performance of existing systems to work with larger datasets* Consult with other developers on system design and implementation* Implement back-end services to support new UI, workflow, and modeling functionality* Work with product definition, user experience, and quality assurance teams to refine project specs* Participate in regular code reviews* Fix bugs in all parts of the system* Meet deadlines, proactively communicating status and roadblocks* Attend regular team meetings and huddles**Necessary experience:*** Expertise in TypeScript, Java, and C++* Experience with data structures and algorithms* Experience with large codebases (1 million lines+)**Preferred Skills and Knowledge:*** Effective communication, comfortable working jointly on projects* An understanding of usability concerns for user interfaces* Self-sufficient and proactive* Strong problem-solving skills**Preferred Experience:*** Experience developing a CAD application* Experience working in an agile environment* Experience developing in a Mac or Linux environment**Basic Qualifications:*** Bachelor’s degree or equivalent work experience* Ability to commute to the Seaport Boston office. (2-3 days a week) **This position is not eligible for employment-based immigration sponsorship. Applicants must be authorized to work in the United States without requiring current or future sponsorship from PTC.** PTC carefully considers a wide variety of factors when determining compensation. The anticipated annual salary range for this position is between $131,000 - 180,000. 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. All total rewards and benefits programs aresubject to applicable plan eligibility and other terms and conditions. For more information about PTC’s comprehensive benefits, please visit our Careers Page.Applications will be accepted on an on-going basis. This position is not eligible for employment-based immigration sponsorship. Applicants must be authorized to work in the United States without requiring current or future sponsorship from PTC.At PTC, we believe in the power of diverse ideas and perspectives. As a global company that values and respects all identities, cultures, and perspectives, we strive to create an inclusive PTC for ALL through an environment where everyone feels like they belong and are empowered to bring their true, authentic selves to work. Proud to be an Equal Opportunity Employer, we welcome applicants from all backgrounds and hire without regard to race, national origin, religion, age, color, ethnicity, ancestry, marital status, sex (including pregnancy), sexual orientation, gender identity, gender expression, genetic information, disability, veteran status, or any other characteristic protected by local, state, or federal laws, rules, or regulations. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.For more information about PTC’s comprehensive benefits and our AI usage, please visit our Careers Page (https://www.ptc.com/en/careers/united-states-careers). Applications will be accepted on an on-going basis until the opportunity is filled.PTC endeavors to make ptc.com/careers accessible to all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact PTC's Talent Acquisition team at [e-mail]. This contact information is for accommodation requests only and cannot be used to inquire about the status of applications.Life at PTC is about more than working with today’s most cutting-edge technologies to transform the physical world. It’s about showing up as you are and working alongside some of today’s most talented industry leaders to transform the world around you.If you share our passion for problem-solving through innovation, you’ll likely become just as passionate about the PTC experience as we are. Are you ready to explore your next career move with us?We respect the privacy rights of individuals and are committed to handling Personal Information responsibly and in accordance with all applicable privacy and data protection laws. Review our Privacy Policy here.\"