1mo
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Cell Build Technician, Prototype
Somerville, Massachusetts, United States
$31-$38/yr OnsiteFull Time
2+ YOE2+ years manufacturing experience with GMPs, proficiency with MES, experience with hand tools, able to lift up to 50 lbs and stand for extended periods, detail-oriented with strong communication skills.
MES
1d
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Prototyping Specialist
Waltham, Massachusetts, United States
$72k-$78k/yr OnsiteFull Time
3+ YOE3+ years in prototype or machine shop; CNC milling programming and operation, manual machining, additive manufacturing (FDM/SLA), reading engineering drawings and GD&T.
3-axis CNC, Mastercam, SolidWorks, Microsoft Office, FDM, SLA
1w
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Mechanical Engineer
Somerville, Massachusetts, United States
$92k-$140k/yr OnsiteFull Time
Experience designing and prototyping electromechanical systems, 3D CAD (Solidworks/Onshape), manufacturing techniques (injection molding, sheet metal), prototyping shop skills, vendor collaboration, and strong communication.
Solidworks, Onshape, Python, PLM
3w
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AI Researcher/Prototyping Engineer
Lexington, Massachusetts, United States
$145k-$220k/yr OnsiteFull Time
5+ YOEPhD in EE/CS or master's with 5+ years; deep ML/AI expertise (multimodal, LLMs, graph analytics, adversarial/assurance); prototype development, strong software engineering, publications, and ability to obtain/hold security clearance.
LangChain, Python, PyTorch, TensorFlow, Hugging Face, NumPy, pandas, SciPy, Git, conda, virtualenv
1mo
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Senior Mechanical Engineer (Advanced Development)
Boston, Massachusetts, United States
$130k-$185k/yr OnsiteFull Time
5+ YOEB.S. in Mechanical Engineering, 5+ years designing consumer electronics, SolidWorks experience, rapid prototyping/CNC operation, prototype-to-manufacturing expertise, testing/DOE knowledge, strong communication; up to 10% travel.
SolidWorks, CNC, Design of Experiments (DOE)
1mo
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Sr. Product Designer
Pittsburgh or Arizona or Colorado or Connecticut or Delaware or Florida or Georgia or Illinois or Indiana or Kentucky or Louisiana or Maine or Maryland or Massachusetts or Michigan or Missouri or Nebraska or Nevada or New Hampshire or New Jersey or New York or North Carolina or Ohio or Oklahoma or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Virginia or Washington or District of Columbia or West Virginia
$146k-$170k/yr HybridFull Time
Senior product designer with experience shipping web and mobile features, user research, information architecture, content design, prototyping, and collaborating on cross-functional product teams; experience prototyping with AI tools is a plus.
Claude Code, Paper.design
1mo
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Staff Engineer, Catheter Systems
Boston or Somerville
OnsiteFull Time
7+ YOEBachelor's in Mechanical Engineering, 7+ years catheter R&D experience (neurovascular preferred), hands-on prototyping, SolidWorks/3D CAD, FDM/SLA prototyping, DFx and supplier management, device design documentation and risk assessment.
SolidWorks, 3D CAD, FDM, SLA
2mo
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Senior Mechanical Engineer
Seattle or North Reading
$137k-$186k/yr OnsiteFull Time
10+ YOE10+ years in designing and integrating robotic mechanisms; expertise in end effectors, mechanical design, and prototypes.
PLM, ECO, ANSI Y-14.5, CAD, Sheet metal
2mo
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Founding Sales Engineer
Boston or London or New York City
HybridFull Time
Hands-on technical seller leading enterprise deals; prototypes integrations; helps shape scalable presales.
Python, JavaScript, Demos, Prototyping
2mo
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Setup Man (_, TNG, MA, 94031)
United States or Massachusetts
OnsiteFull Time
8+ YOEOperates machine setup, fabricates and assembles prototype components, performs quality checks, interprets blueprints, and maintains equipment.
3mo
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Co-op, Design Researcher
Boston, Massachusetts, United States
$20-$32/hr HybridInternship
Co-op design researcher with interest in future digital experiences, emerging tech, user research, and rapid prototyping.
Adobe Creative Suite, Figma
5d
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Product Designer
Boston, Massachusetts, United States
$100k-$130k/yr RemoteFull Time
Timely: AI-powered master scheduling platform for middle and high schools.
Experience in B2B SaaS product design, user research, prototyping, design systems, and collaboration with engineering and product teams.
Figma
3mo
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Staff Power Electronics Engineer
Boston, Massachusetts, United States
OnsiteFull Time
Strong power electronics, analog design, PCB layout in Altium; lab prototyping, verification, and cross-disciplinary collaboration.
Altium, Lab equipment
1mo
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Hardware Systems Engineer
Cambridge or San Francisco
$105k-$150k/yr OnsiteFull Time
3+ YOEHands-on electro-mechanical hardware engineer with electronics, embedded firmware, and system integration experience; capable of bringing prototypes to shipping.
MCAD, ECAD, Embedded Firmware, System Architecture, PCB Design, C/C++
2mo
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CT - 5084 Development Engineering Technician III
Westborough, Massachusetts, United States
$24-$40/hr OnsiteFull Time
Equipment setup, troubleshooting, assembly of electro-mechanical prototype equipment; maintenance and calibration compliance; support development testing and documentation.
Machine Shop Tools, Calibration Equipment
5d
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CNC Process Engineer
Woburn, Massachusetts, United States
OnsiteFull Time
5+ YOEDevelop and optimize CNC processes, create and troubleshoot CNC programs, interpret drawings, and support prototyping in a machine shop environment.
Solidworks, MasterCam, Part Maker
2mo
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Mechanical Engineering Fall Co-Op
Cambridge, Massachusetts, United States
OnsiteFull Time
Fall 2026 Mechanical Engineering co-op; CAD experience; rapid prototyping; design problem solving; hands-on; willingness to learn.
Onshape, SolidWorks, 3D Printing, CNC, FEA
2mo
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Development Manufacturing Engineering Technician II
West Boylston, Massachusetts, United States
$29-$36/hr OnsiteFull Time
Coghlin Companies: Provides product development and contract manufacturing services for capital equipment.
5+ YOEAssist development engineers in prototyping, debugging, testing, and documenting client products; lead technician team; strong electromechanical skills; good communication.
MS Office (Excel, Outlook), MRP/ERP systems, Kinetic, Power tools, Metrology equipment
1mo
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AI Foundations - Research Software Engineer
Cambridge, Massachusetts, United States
$131k-$226k/yr OnsiteFull Time
Deep NLP and deep learning expertise; foundation models; Python, PyTorch; Transformer/LLM experience; rapid prototyping and scalable data pipelines.
Python, PyTorch, Transformers, Large Language Models, Rust, C++
2mo
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AI Engineer
New York or Los Angeles or Boston or Jersey City or Houston
$115k-$130k/yr RemoteAll Commitments Available
Hands-on AI engineer with Python skills; experience building AI apps; internship/coursework/research or projects; ability to prototype and iterate quickly.
Python, API development, Backend services, Workflow automation, FastAPI/Flask, React/TypeScript, Docker, Testing (Python/TypeScript), LLM retrieval/search
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