Senior Product Development Engineer

Quadratic 3D

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Somerville, MA, us on site Until 8/21/2026 H-1B sponsor history First posted March 26, 2025 Last posted March 26, 2025
Job description

Quadratic is a well-funded seed-stage startup revolutionizing the entire concept of 3D printing to open up new commercial and industrial applications. The company’s technology is based on a groundbreaking invention by a dynamic multidisciplinary team of scientists at Harvard. Think Star Trek Replicator. Veteran entrepreneurs guide the company with a deep commitment to transparency in a high-trust environment. We focus relentlessly on rapid results with fast customer feedback loops. Make a broad impact as an early team member and help us invent the future of 3D printing.

Quadratic 3D is seeking a senior product development engineer in a key leadership role to design and develop opto-mechanical systems for 3D printers in a fast-paced multidisciplinary environment.  Successful candidates will be passionate about optical system design, 3D printing, building machines and enjoy working on complex problems that involve advanced materials, optics and systems.

Responsibilities:

  • Lead opto-mechanical design and engineering efforts for 3D printer development
  • Work closely across the optics, materials, mechanical engineering, and other cross-functional teams to define, develop, realize, and/or simulate a variety of optical systems for 3D printing
  • Brainstorm new system architectures and converge on feasible opto-mechanical designs
  • Build, test, and refine prototypes and high precision test fixtures
  • Provide guidance on optical system design considerations
  • Solve complex mechanical problems by inventing and integrating state of the art technologies and methods
  • Ensure compliance with EH&S requirements and promote safety in the work environment.

Minimum Qualifications:

  • BS/MS degree in Optical Engineering, Mechanical Engineering, Physics or a related technical discipline
  • 3+ years experience designing and developing optical systems for 3D printers and/or precision opto-mechanical systems in an industrial setting
  • 3+ years experience with optical systems comprising displays, cameras and optical sources such as lasers and LEDs
  • Zemax or other optical ray tracing skills or equivalent     
  • Testing, tolerancing and analysis experience
  • Proficient in 3D CAD modeling, SolidWorks or equivalent
  • Built machines and test fixtures in early stage development
  • Programming experience in Python, Matlab and/or C++
  • Hands-on experience in basic rapid prototyping, DFM, DFR methodology
  • Excellent communication and organizational skills
  • Ability to work independently as well as part of team
  • Great documentation, experimental design, and result recording skills

Preferred Qualifications:

  • Knowledge of assembly and alignment of optical bench-top assemblies including linear and angular adjustments
  • Experience in both sequential and non-sequential optics and tolerancing both sequential or non-sequential optical systems
  • GD&T knowledge and practical application for precision optics or other components
  • Experience managing material vendors and CMs
  • Advanced knowledge of materials and structural modeling/optimization

Travel: 1-3 trips/year
Location: Somerville, Massachusetts

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, gender identity, sexual orientation, age, marital status, veteran status, or disability status.

About this role

Summary

Design and develop opto-mechanical systems for 3D printers in a multidisciplinary environment

Job title

Senior Product Development Engineer

Experience level

3+ years

Industry

technology

Location requirements

On-site in Somerville, MA, with some travel, no remote work

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

optical engineeringmechanical engineeringray tracingCAD modelingPythonMatlabC++

Preferred skills

optical bench alignmentnon-sequential opticsGD&Tvendor managementmaterials modeling

Specializations

optical systemsmechanical design3D printingoptomechanicaloptics
Locations

Structured locations inferred from the posting.

Somerville, MA, USA

On-site City