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RefleXion Medical

Full-time|$135K/yr - $170K/yr|Hybrid|Hayward, CA

Who We AreAt RefleXion Medical, we are revolutionizing cancer treatment through our innovative biology-guided radiotherapy system, SCINTIX®. By integrating tumor biology with advanced radiopharmaceuticals, we are transforming the way external beam radiotherapy is administered. As an FDA Breakthrough Device designated for lung tumors, our SCINTIX therapy aims…

Feb 27, 2026

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Software Engineer / Senior Software Engineer

Vivio Health

Full-time|On-site|Hayward

Join Vivio Health, a pioneering health technology company, as a Software Engineer or Senior Software Engineer. In this role, you will contribute to the development of innovative software solutions that empower healthcare providers and improve patient outcomes. We are looking for passionate engineers who thrive in a collaborative and fast-paced environment.

Apr 30, 2026

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Electrical Test Engineer II

Aperia Technologies

Full-time|$120K/yr - $140K/yr|On-site|Hayward, CA

About Aperia Technologies Aperia Technologies builds hardware and data analytics tools for commercial vehicle fleets. Our team developed the Halotm Automatic Tire Inflator and the Halo Connect tire analytics platform, both designed to help fleets cut downtime and lower their carbon footprint. Our work aims to improve efficiency and sustainability across the freight industry. Location Hayward, CA Important Note on Work Authorization We are not able to sponsor H-1B, F-1 OPT, or STEM OPT extensions at this time.

Apr 14, 2026

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Automotive Test Cell Operator

UTAC

Full-time|On-site|Hayward

UTAC is looking for an Automotive Test Cell Operator in Hayward, California. This role supports the automotive testing process by operating and maintaining specialized test cells for vehicle components. Main responsibilities Operate test cells used for evaluating automotive parts and systems Monitor equipment to ensure reliable and accurate performance Carry out routine maintenance and troubleshooting as needed What matters for success Strong attention to detail during testing and maintenance tasks Commitment to safety protocols in a technical environment Interest in automotive technology and testing processes This position offers a hands-on role at the heart of automotive testing, working closely with technical equipment and contributing to the quality of automotive components.

Apr 29, 2026

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Test Technician - Night Shift

UTAC

Full-time|On-site|Hayward

Join our dynamic team at UTAC as a Test Technician on the 3rd Shift. This entry-level position offers an exciting opportunity for individuals eager to start their careers in the technology and manufacturing sector. As a Test Technician, you will be responsible for conducting thorough testing and quality assurance processes to ensure that our products meet the highest standards.We are looking for motivated individuals who are detail-oriented and have a passion for technology. You will receive comprehensive training and support to help you develop your skills and advance in your career.

Apr 7, 2026

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Senior Process Engineer

Blue Current

Full-time|$108.5K/yr - $118.9K/yr|On-site|Hayward CA

About Blue CurrentBlue Current is a pioneering force in the creation of silicon solid-state batteries. Our innovative batteries are free from flammable liquid electrolytes, ensuring a safer and more environmentally friendly option compared to traditional lithium-ion batteries. Our silicon-based technology is versatile, providing cost-effective solutions for both mobility and stationary storage sectors. Our dynamic team operates from our cutting-edge headquarters and pilot line facility in Hayward, California. To discover more about Blue Current, Inc., visit our website.Position SummaryWe are looking for a Senior Process Engineer to join our Technical Operations team, focusing on solid-state battery R&D and prototyping. This critical role involves enhancing process performance—yield, throughput, and reproducibility—while managing the development, qualification, troubleshooting, and continuous improvement initiatives for essential process equipment. The Senior Process Engineer will collaborate across teams to convert evolving process needs into efficient, scalable, and controlled operations. This position offers a significant opportunity at the intersection of process engineering and equipment engineering within a fast-paced development landscape.Essential Functions & ResponsibilitiesServe as the primary engineering owner for designated battery R&D equipment (e.g., gloveboxes, slurry mixers, film coaters, cell assembly tools).Oversee projects and design experiments to optimize technical processes in the fabrication lab, enhancing yield, throughput, and consistency.Establish and monitor key performance metrics (yield, variability, cycle time) to drive continuous improvement.Assist in the specification, evaluation, and procurement of new process equipment.Collaborate with vendors and internal teams to adapt or create tools that meet evolving process requirements.Enhance uptime, throughput, and process capability through equipment modifications.Lead structured troubleshooting of process and equipment challenges, identify root causes, and implement corrective measures.Work cross-functionally to link process modifications to cell performance outcomes.Create and maintain SOPs, work instructions, and process documentation for technicians.Provide technical training and support to technicians regarding new processes and tools.

Apr 3, 2026

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Test Technician - Join the Future of Battery Technology

Blue Current

Full-time|$26K/yr - $28K/yr|On-site|Hayward CA

About Blue CurrentBlue Current is a pioneering company at the forefront of silicon solid-state battery technology. Our innovative batteries eliminate the use of flammable liquid electrolytes, ensuring a safer choice for both people and the planet. With a robust and adaptable silicon-based platform, we offer a high-performance alternative to conventional lithium-ion batteries, catering to both mobility and stationary storage markets. Our team operates from a cutting-edge headquarters and pilot line facility in Hayward, California. Discover more about our vision and products at bluecurrent.com.Position SummaryWe are looking for a dedicated Test Technician to facilitate testing and data generation for our solid-state battery research and development initiatives. This role focuses on executing test protocols, managing and maintaining testing equipment, and ensuring the integrity and reliability of data outputs. As a crucial member of our team, you will collaborate closely with engineering and operations to conduct efficient evaluations of materials, cells, and processes. Reporting to the Senior Operations Manager of Technology Development, you will play a key role in maintaining safe and organized lab operations within a fast-paced R&D environment.

Apr 4, 2026

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Senior Cell Engineer - Cathode Development

Blue Current

Full-time|$93.4K/yr - $109.3K/yr|On-site|Hayward CA

About Blue CurrentBlue Current is at the forefront of innovation in the silicon solid-state battery industry. Our cutting-edge technology eliminates the risks associated with flammable liquid electrolytes, offering a fully dry and inherently safe battery solution. This advancement not only enhances safety but also provides superior performance compared to traditional lithium-ion batteries. Our versatile silicon-based platform is designed for cost-effective applications in both mobility and stationary storage markets. Our talented team operates from a state-of-the-art facility located in Hayward, California. For more information about our company, visit our website.Position SummaryAs a Senior Cell Engineer, you will play a pivotal role in the development of innovative solid-state electrode materials, particularly focusing on our proprietary composite cathode technology. You will engage in hands-on experimentation, testing, and integration of advanced cathode active materials and solid electrolytes into our solid-state battery systems. Candidates should possess a strong background in the electrochemistry of lithium-ion batteries, along with expertise in electrode formulation and processing. A degree in materials science, chemical engineering, chemistry, physics, or a related discipline is preferred. This position promises a dynamic work environment within a passionate team dedicated to revolutionizing the energy storage industry.

Mar 20, 2026

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Senior Process Engineer - Cutting-Edge Battery Technology

Blue Current

Full-time|$93.4K/yr - $109.3K/yr|On-site|Hayward CA

About Blue CurrentBlue Current is at the forefront of innovation, specializing in the development of silicon solid-state batteries. Our batteries, which are devoid of flammable liquid electrolytes, are not only safer but also offer superior performance compared to traditional lithium-ion batteries. Our adaptable silicon-based platform provides cost-effective solutions for both mobility and stationary storage sectors. Our dedicated team operates from a state-of-the-art headquarters and pilot line facility in Hayward, California. To learn more about Blue Current, Inc., visit our website.Position SummaryWe are actively seeking a proactive and skilled Senior Process Engineer to spearhead the development of formulation and coating processes for next-generation separators utilized in our solid-state batteries. The ideal applicant will possess a robust background in formulation, coating, and characterization within the battery or related industries such as fuel cells, solar technology, or electronic materials. Experience in lithium-ion battery electrochemistry is advantageous. As a Senior Process Engineer, you will design and execute experiments for prototyping and characterizing innovative separator formulations and architectures, collaborating closely with our Cell Engineering and Advanced Manufacturing teams to qualify through cell builds and scale up to pilot production. This dynamic role demands a hands-on approach and commitment to transforming the energy storage landscape alongside a passionate team of scientists and engineers.

Mar 20, 2026

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Full Stack Engineer for Innovative ERP Systems

1X

Full-time|$150K/yr - $220K/yr|On-site|Hayward, California, United States

Join Us as a Full Stack Engineer for ERP SystemsLocated in Hayward, CA (On-site)About 1XAt 1X, we are pioneering the development of humanoid robots that collaborate with people to address labor shortages and foster abundance in various industries.Your RoleAs a Full Stack Engineer, you will take charge of our internal software stack that drives sales, manufacturing, and supply chain operations. You will be responsible for building and scaling robust full-stack systems leveraging Odoo/NetSuite, delivering clean APIs, and propelling operational teams to achieve unprecedented efficiency.Your Responsibilities Include:Architecting and deploying comprehensive full-stack web applications using React and Python.Customizing ERP solutions (Odoo/NetSuite) to optimize manufacturing workflows.Designing data models, REST/GraphQL APIs, and real-time dashboards for enhanced analytics.Integrating various systems including PLM, MES, and warehouse management systems.Enhancing CI/CD processes, infrastructure (Docker/Kubernetes), and system observability.Translating operational challenges into high-quality production code.

Feb 26, 2026

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Senior Electrical Manufacturing Engineer

Aperia Technologies

Full-time|$150K/yr - $185K/yr|On-site|Hayward, CA

At Aperia Technologies, we are pioneering a transformative era of efficiency and sustainability for commercial vehicle fleets through our groundbreaking hardware and data analytics solutions. As the creators of the award-winning Halotm Automatic Tire Inflator and the cloud-based Halo Connect tire analytics platform, we are committed to saving fleets thousands of downtime hours weekly while minimizing the freight industry's carbon footprint. Join us as we broaden our product offerings and advance our mission to automate the backbone of our economy.Your RoleIn the capacity of Senior Manufacturing Engineer, you will be instrumental in defining and refining manufacturing processes with our contract manufacturing partners, ensuring smooth factory delivery. This role offers significant influence within our expanding company, presenting opportunities to enhance supplier collaboration, deliver technical leadership, implement process improvements, and support a dynamic product portfolio, particularly focusing on electrical and PCBA-based systems. This position is onsite.We regret to inform you that we cannot sponsor H-1B, F-1 OPT, or STEM OPT extensions at this time.

Jan 7, 2026

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Senior/Staff Manufacturing Quality Engineer

Zoox

Full-time|On-site|Hayward, CA

Join Zoox as a Senior/Staff Manufacturing Quality Engineer, where you will play a pivotal role in shaping the future of autonomous transportation. In this position, you will be responsible for ensuring the highest quality standards in our manufacturing processes, collaborating closely with cross-functional teams to drive excellence and innovation.

Mar 16, 2026

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Senior Manufacturing Process Engineer at Zoox | Hayward, CA

Zoox, Inc.

Full-time|On-site|Hayward, CA

As a Senior Manufacturing Process Engineer with Zoox, you will play a pivotal role in designing, refining, and sustaining assembly processes for our cutting-edge autonomous robots. This position acts as a vital link between our Research & Development and high-volume manufacturing teams. You will engage in collaborative efforts with cross-functional teams, including Hardware Engineering, Supply Chain, and Quality Assurance, to identify and resolve assembly challenges, ensuring the seamless progression of our current and future vehicle platforms in a dynamic and innovative environment.

May 1, 2026

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Senior Technical Program Manager, Manufacturing Engineering/General Assembly

Zoox

Full-time|On-site|Hayward, CA

Join Zoox as a Senior Technical Program Manager in our Manufacturing Engineering and General Assembly teams. In this pivotal role, you will oversee the planning, execution, and delivery of complex engineering projects that are critical to the production of our cutting-edge autonomous vehicles. Your leadership will ensure cross-functional collaboration and drive innovation within our manufacturing processes.

Mar 18, 2026

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Quality Engineer

Aperia Technologies

Full-time|$95K/yr - $120K/yr|On-site|Hayward, CA

Aperia Technologies is pioneering a new age of efficiency and sustainability for commercial vehicle fleets through cutting-edge hardware and data analytics solutions. As the creators of the award-winning and transformative Halotm Automatic Tire Inflator and the cloud-based Halo Connect tire analytics platform, we are committed to saving fleets thousands of hours of downtime weekly while minimizing the carbon footprint and environmental impact of the freight industry. Join us on our mission to advance our product offerings and lead the freight sector into the automation era.Your RoleThe Quality Engineer will report directly to the Quality Director and will play a crucial role in supporting our automotive clients, manufacturing processes, and supplier relationships. This position involves the implementation and management of ISO 9001 and IATF 16949 standards throughout our organization to consistently enhance the quality of Aperia's products and services.

Apr 3, 2026

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Quality Engineering Technician

Aperia Technologies

Full-time|$30/hr - $32/hr|On-site|Hayward, CA

At Aperia Technologies, we are pioneering a transformative era of efficiency and sustainability within commercial vehicle fleets through our cutting-edge hardware and data analytics solutions. As the creators of the award-winning Halotm Automatic Tire Inflator and the innovative Halo Connect tire analytics platform, we strive to save fleets thousands of hours of downtime each week while minimizing the carbon footprint and environmental impact of the freight industry. Join our mission as we broaden our product offerings and advance towards automating the backbone of our economy.Your RoleAs a Quality Engineering Technician, you will report directly to the Quality Manager. This position centers around the upkeep of metrology equipment that facilitates product analysis in both the Quality lab and Manufacturing. Additionally, you will enhance our RMA tracking system and conduct initial failure analysis.Your ResponsibilitiesDocument, track, and maintain calibration of all measurement equipment utilizing the Quality Management System (QMS).Create operational documents for equipment usage and provide training to the quality team.Validate Quality and Manufacturing equipment through verification and maintenance of Golden Samples.Lead the RMA and Failure Analysis process, analyzing returned or in-process products and documenting findings.Perform root cause analysis or escalate RCA to resolve quality issues identified on the manufacturing line or through customer returns.Assist in product/process qualifications, including trials, testing, and reporting activities.Generate reports based on failure analysis to enhance product quality in collaboration with Manufacturing and Engineering.Engage in various special projects supporting the quality, manufacturing, and engineering teams.

Mar 13, 2026

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Senior Product Designer

rocknroll1

Full-time|On-site|Hayward

Join rocknroll1 as a Senior Product Designer, where you will play a pivotal role in shaping innovative product designs that resonate with our users. You will collaborate closely with cross-functional teams to deliver exceptional user experiences and drive product success.

Jun 21, 2018

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Logistics Industrial Engineer

Alten Technology USA

Full-time|On-site|Hayward, California

Role Overview Alten Technology USA is hiring a Logistics Industrial Engineer in Hayward, California. This role focuses on improving supply chain processes and boosting operational efficiency across logistics systems. What You Will Do Analyze logistics systems to identify areas for improvement Implement solutions that drive efficiency and cost savings Work with cross-functional teams to support company growth Help ensure timely delivery through streamlined operations Collaboration and Impact This position partners closely with other departments to develop strategies that enhance logistics performance and align with business objectives.

Apr 14, 2026

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Senior Product Designer

rocknroll1

Full-time|On-site|Hayward

We are seeking a highly skilled and creative Senior Product Designer to join our dynamic team at rocknroll1. In this pivotal role, you will be responsible for leading the design process of innovative products that enhance user experience and drive engagement.Your expertise in user-centered design principles and your ability to collaborate with cross-functional teams will be crucial in shaping the future of our product offerings. If you have a passion for creating exceptional user experiences and a portfolio that demonstrates your design prowess, we want to hear from you!

Jul 30, 2018

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Senior Product Designer

rocknroll1

Full-time|On-site|Hayward

Join our dynamic team at rocknroll1 as a Senior Product Designer, where you will play a pivotal role in shaping the user experience of our innovative products. You will collaborate with cross-functional teams to design intuitive interfaces and enhance product functionality, ensuring a seamless user journey.

Nov 12, 2018

Senior Technical Program Manager, Manufacturing Engineering/General Assembly

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