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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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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Shop Assistant (1st Shift)
Contoocook, New Hampshire, United States
$18-$22/hr OnsiteFull Time
0+ YOEHigh school diploma or GED; entry-level; manufacturing experience a plus; sheet metal or prototyping preferred.
Orbital sander, Grinder, Hand tools
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
3mo
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Head of Design
Boston or Vienna
HybridFull Time
8+ YOE1+ Mgmt8+ years UI/UX design, hands-on, team leadership, design systems, prototyping in Figma, AI experience, regulated industry familiarity.
Figma, AI
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