A Japanese robot startup providing robotic solution to replace product display work in retail stores, sorting work in logistics warehouses etc. Workforces: 50-100 ppl Total fund raised: 27+ billion yen

Ota-ku, Tokyo

We are seeking a Mechanical Engineer to join our team in developing new robots from scratch and through mass production. Their robots will be deployed in logistics warehouses, so they need to withstand everyday use in real-life environments, not purely R&D. - Support a small team of engineers (5-10 people) in designing new, reliable robots that are cost-effective, manufacturable, and maintainable, and scalable to hundreds. - Define functional specifications based on business and operational requirements. - Lead mechanical design and prototyping to meet requirements. - Develop assembly processes and assembly tooling. - Plan and execute QA to ensure successful deployment. - Select optimal actuators (DC motors, stepper motors, air cylinders, etc.) and power transmission mechanisms (gears, gear belts, links, etc.) to enable product-market fit. - Play a leading role in transitioning from design to production, supporting production ramp-up and ongoing production. - Collaborate with other members of the engineering and operations teams to ensure products are developed that meet all performance and quality standards in a timely manner. - Manage detailed bills of materials (BoM) and BOM costs. Work closely with vendors to develop specifications to meet cost requirements. - Lead the design of a new robot that is scalable, cost-effective, and producible with a small team of engineers (5-10 people). - Define functional specifications based on personal and operational requirements, and lead mechanical design and prototyping to meet those requirements. - Develop assembly and production processes and assembly tools. - Plan and implement QA for market introduction. - Consider the optimal method for upcoming actuators (DC motors, stepper motors, air cylinders, etc.) and power transmission mechanisms (gears, belt timing, links, etc.) depending on the application and problem. - Lead the transition from design to manufacturing and provide ongoing support for mass production ramp and beyond. - Collaborate with engineering and team operations teams to ensure timely product development that meets performance and quality standards. - Manage BoM and BoM cost details. Work closely with vendors on specification negotiations to meet cost requirements.

- Experience in the design, development, and manufacture of reliable, durable hardware products. Experience in robotics and logistics is a plus. - Ability to find optimal, realistic mechanical design solutions under tight time constraints. - Experience using SolidWorks or similar 3D CAD software. - Hands-on experience evaluating and extracting hardware issues and making necessary changes for improvement. - Hands-on experience moving newly developed products from design to manufacturing and the ability to design detailed hardware specifications at a production level. - Ability to work in a fast-moving, goal-oriented environment where individuals can work autonomously with little or no assistance. - Experience in the design, development, and manufacture of reliable, durable hardware products. Experience in robotics development and/or logistics is a plus. - Ability to find optimal, realistic mechanical design solutions under tight time constraints. - Experience using 3D CAD for design (experience using SolidWorks is a plus). - Hands-on experience evaluating and extracting hardware issues and making necessary changes for improvement. - Hands-on experience moving newly developed products from design to manufacturing and the ability to design detailed hardware specifications at a mass production level. - Ability to work autonomously in a fast-paced, goal-oriented environment. Business level

A startup developing small-scale decentralized water circulation system. Their decentralized water circulation system provides a solution to the problem of water supply and sewerage systems becoming increasingly unprofitable in sparsely populated areas due to population decline and aging facilities. Its effectiveness as a means of preparing for water outages during disasters has also been recognized. The company has been selected for NEDO's support fund and SBIR. Founded: 2014 Total funding: 10 billion yen Number of employees: Over 80

Chuo-ku, Tokyo

You will be responsible for electrical design of key devices in our products, from prototyping to mass production. Key Device Development Work: - Understanding the operating principles of key devices - Responsible for everything from customer value to requirements definition - "Conceptual design" to determine functionality and performance - "Basic design" to create drawings based on the concept - "Detailed design" to finalize materials, shape, size, etc. based on the basic design - "Production design" to create assembly diagrams for parts

Required skills - Experience designing circuits that reliably convert weak sensor voltages and currents into digital signals - Experience with the design and mass production of the above electrical circuits - Experience defining requirements to summarize necessary functions and requirements Preferred skills - Experience developing advanced small-scale systems collaboratively with mechanical and firmware engineers - Firmware development experience - Compliance with various standards, including PSE and the Radio Law Soft skills - A person who can responsibly develop sensors that control critical water safety - A person who wants to contribute to the world by solving global water issues Nice to have

A startup developing small-scale decentralized water circulation system. Their decentralized water circulation system provides a solution to the problem of water supply and sewerage systems becoming increasingly unprofitable in sparsely populated areas due to population decline and aging facilities. Its effectiveness as a means of preparing for water outages during disasters has also been recognized. The company has been selected for NEDO's support fund and SBIR. Founded: 2014 Total funding: 10 billion yen Number of employees: Over 80

Chuo-ku, Tokyo

You will be responsible for mechanical design of product hardware, from prototyping to mass production. Key Device Development Work: - Understanding the operating principles of key devices - Responsible for everything from customer value to requirements definition - Conceptual design, which determines functionality and performance - Basic design, which creates drawings based on the concept - Detailed design, which solidifies materials, shape, size, etc. based on the basic design - Production design, which creates assembly drawings of parts Examples: - Development of mechanisms to improve the functionality and performance of various devices, such as circulation and oxygen supply methods for bioreactors - Control method concepts and sensor development for next-generation water treatment - Design of volumetric pumps, centrifugal pumps, closed circuits, and other key devices required for small-scale decentralized water treatment

Required skills - Mechanical design, materials mechanics, fluid mechanics, various CAE technologies - Knowledge of various materials, and basic knowledge of surface treatment and processing methods - Ability to manage quality, cost, and development planning in development - Ability to break down problems into root causes, identify them as challenges, and solve them Preferred skills - Quality Engineering (Taguchi Method, basic statistics) - Experience creating business models - Inquisitiveness to delve into the essence and origins based on fundamental principles - Multi-valued perspectives and ways of thinking Soft skills - A person who can responsibly develop hardware that can ensure the quality of water that sustains human life - A desire to contribute to the world by solving global water issues Nice to have

A startup developing small-scale decentralized water circulation system. Their decentralized water circulation system provides a solution to the problem of water supply and sewerage systems becoming increasingly unprofitable in sparsely populated areas due to population decline and aging facilities. Its effectiveness as a means of preparing for water outages during disasters has also been recognized. The company has been selected for NEDO's support fund and SBIR. Founded: 2014 Total funding: 10 billion yen Number of employees: Over 80

Chuo-ku, Tokyo

You will be responsible for the design, and validity verification / promotion of water treatment products with an eye toward mass production. Job Description - Understand the fundamental principles of water treatment processes - Design and evaluate water treatment equipment based on requirements and specifications - Evaluate and design with consideration not only for the product but also for customers, the environment, and culture - Identify the cause of on-site problems using a scientific approach and implement countermeasures Examples of expected work - Design and development of water treatment equipment and evaluation for product quality improvement - Consider automation of water treatment experiments - Standardize performance evaluation methods for water treatment processes - Maintenance, water quality analysis, and improvement work for demonstration equipment installed outside the company

Required skills: - Skills for designing and evaluating water treatment equipment - Communication skills to collaborate and work with stakeholders in the water treatment field and other areas - Ability to isolate and resolve on-site technical issues - Ability to independently define issues based on business policy and identify and overcome them Preferred skills: - Experience in designing and experimenting using process design and reaction kinetics - Experience evaluating product performance - Ability to analyze experimental results and quickly translate them into next steps - Experience conducting water treatment research at the laboratory level - Water treatment systems Practical development and operation experience - Experience working on automation using mechatronics and electronics - Experience sharing and educating team members to develop first-class experimental and development capabilities - Ability to communicate in English, as many members are from overseas Soft skills: - A person willing to devote their life to solving humanity's water problems - A person capable of developing water treatment systems that balance water quality and cost - A person with a strong desire to explore unknown phenomena and the ability to apply knowledge from any of the fields of science, engineering, agriculture, or medicine to find optimal solutions Nice to have

A Japanese startup developing agriculture robot. Providing services for farmers such as automatic vegetable harvesting robot in RaaS model. Year of foundation: 2017 Capital: 530 million yen Number of employees: 18

Fujisawa-shi, Kanagawa-ken (Hybrid style of remote & in-person working)

As a mechanical engineer, you will be responsible for developing prototypes for automatic harvesting robots and multi-cart robots, as well as assembling and manufacturing mass-produced machines. This is the perfect position for someone who wants to be involved in design work as a mechanical engineer and who loves making things. The tomato-harvesting robot developed by the company is an automated robot that uses AI to determine ripeness and gently harvests whole bunches of tomatoes with a specially designed hand. It is being tested and researched and developed in the agriculturally advanced Netherlands, where it is expected to significantly improve harvesting efficiency in agricultural fields where there is a serious labor shortage. The multi-cart robot is a multi-functional robot that automatically navigates within greenhouses and is capable of not only harvesting but also raking and maintenance tasks. By increasing work speed and reducing the number of people required, it helps to reduce the workload on producers. [Tasks include] - Assembly, adjustment, and testing of automatic harvesting robots and multi-cart robots - Coordinating quotes, selection, and technical guidance with OEMs for robot mass production - Planning and testing various robot tests - Collecting and analyzing data for design improvement and optimization - Proposing improvements and creating procedure manuals for assembly processes - Design work using 3D CAD (end effectors, cart mechanisms, etc.) - Coordinating quotes, selection, and technical guidance with OEMs for robot mass production - Handling defects and breakdowns after installation and providing technical support - Other robot development support

[Required] - Mechanical design experience (3D CAD required) - Experience assembling complex machinery - Ability to create and read blueprints - On-site support or field response experience *Robot development experience is not madatory. [Preferred] - Robot design experience - Test planning and execution experience - Technical documentation and assembly procedure creation (technical writing) - Experience with production engineering and improvement activities Nice to have

An AMR startup founded by a former automotive AD tech lead. Owns products such as autonomous transport robot that can switch between AGV mode on trajectory and autonomous mode without pre-defined trajectory, general purpose towing solution for 3rd party trolleys, and fleet management system. Since the product's release in 2022, sales have been steadily increasing. - Established: March 2020 - Workforces: approx. 50 - Capital: JPY 100M

Kawasaki-shi, Kanagawa-ken (Remote working is accepted though HW-related roles require higher frequency of in-person working)

The hiring company is seeking a hands-on Mechatronics Engineer with a focus on mechanical design to support the development of our autonomous mobile robots and related accessories. In this role, you will bridge the gap between mechanical and electrical engineering, working on motion systems, actuators, sensors, and the physical integration of electronic components. You will collaborate closely with both mechanical and electrical engineers to develop robust, manufacturable, and intelligent robotic systems. [ Main Responsibilities ] - Electromechanical Design: Design and integrate mechanical components with sensors, actuators, and PCBs for robotic sub-systems such as drive units, lifting modules, and accessories. - Root Cause Analysis: Troubleshoot electromechanical issues and implement remediation plans. - Mechanical-Centric CAD Development: Develop detailed 3D models and 2D drawings, with proper GD&T. [ Additional Responsibilities ] - Electrical Development: Help design simple PCBs and harness routing throughout the AMR. - Sensor & Actuator Selection: Participate in the selection and validation of components such as motors, encoders, and other sensors. - Prototype Development: Assemble and test functional mechatronic systems. Lead debugging and iterative design improvements. - Design for Manufacturing & Assembly: Develop designs optimized for manufacturing and assembly. - Documentation: Create clear and maintainable technical documentation including BoMs, design specs, test reports, and assembly guides.

[ Required ] - Education: Bachelor's or Master's degree in Mechatronics, Mechanical Engineering, Electrical Engineering or related field. - Experience: At least 2 years of industry experience working on electromechanical systems or robotics. - CAD Proficiency: Strong experience with parametric CAD tools (e.g., SolidWorks) and electronics CAD tools (e.g. Altium, KiCAD). Comfortable reviewing schematics and layout designs. - Prototyping Skills: Comfortable assembling mechanical systems and integrating electrical components (e.g., motors, PCBs). - Problem-Solving: Strong troubleshooting skills across mechanical and electrical domains. Able to use oscilloscopes, multimeters, current clamps, etc. to diagnose electrical issues. - Communication: Business level in either English or Japanese, and conversational level in the other language. [ Preferred ] - Experience working on AMRs or electromechanical industrial products. - Good understanding of motors, sensors and wireless communications. - Familiarity with Solidworks, SolidWorks PDM, Altium, KiCAD. Business level in either English or Japanese + conversational level in the other language

A Japanese startup developing propulsion system (water engine) for microsatellites. Their propulsion system is mainly used for attitude control / orbit change of satellites. Increase of its usage is considered as certain because of trends such as avoidance / deterrence of debris, ease of orbit injection. Year of foundation: 2020 Workforces: 50+ Total fund raised: 2.5 billion yen

Kashiwa-shi, Chiba-ken

- Development, design, testing and verification of electric and electronic circuits - - Target: analog circuits, digital circuits, microcontroller peripheral circuits (DCDC converters, sensor I/F, charging and discharging circuits) - Incorporating circuits into thrusters and carrying out testing

[Required] - Experience in electrical circuit and electrical board design [Preferred] - Knowledge and experience in embedded systems - Experience in circuit design with an eye towards mass production - Experience in power supply development Nice to have

A Japanese startup whose mission is to achieve sustainable aquaculture with technology. Provides services such as smart feeder, fish body measurement, behavioral analysis, marine data provision etc. Year of foundation: 2016 Total fund raised: 1.22 billion yen Number of employees: 20+

Shinagawa-ku, Tokyo

One of the company's aquaculture services and current main product is a smart feeder that utilizes AI and IoT technology and is deployed at aquaculture sites in Japan. You will work with suppliers and business teams to improve the hardware design for this product based on user feedback and troubleshooting. [Background for hiring] Demand for the smart feeder is growing rapidly, and feedback from users, who are aquaculture operators, is also on the rise. The company want to strengthen their efforts to improve products and customer satisfaction by listening to such feedback directly at the aquaculture site and observing the situation with their own eyes, while working with suppliers and business teams to quickly reflect it in the manufacturing process and design, and by promoting improvements.

[Required conditions] - Interest in solving problems at aquaculture sites and empathy with the company's mission and values - Experience in design improvements based on customer requests - Experience in mechanical design and development using 3D CAD - Experience in on-site product installation and improvement - People who find it rewarding to sincerely deal with problems that occur on-site and feedback from customers - People who enjoy communicating both inside and outside the company - People who can travel to various parts of Japan - People who have a driver's license and can actually drive [Preferred conditions] - Experience working at a company that provides solutions to the primary industry - Experience in prototype design of equipment structures and mechanisms, and prototype circuits and programs - Basic knowledge of electrical machinery - Experience in designing or maintaining equipment for outdoor use - Product management experience Nice to have

Japanese venture business developing, fabricating and selling communication robots for consumer market. Also develops robots and IoT products on contract basis. Year of foundation: 2007 Number of employees: approx. 40

Shinjuku-ku, Tokyo (Hybrid style of remote & in-person working)

[Recruitment background] As our in-house products are being born one after another and inquiries for contract projects are increasing, the number of products moving on to the mass production phase is also increasing, so we would like to strengthen our resources by increasing the number of staff. [Expected job description] As part of the planning and management of mass production projects for robots and IoT products, - Support the launch and optimization of factories and manufacturing lines at subcontractors, and lead operations - Production management - Product procurement, parts procurement, collaboration and coordination with suppliers and partner companies - Various evaluation tasks in mass production development - Failure analysis, product design improvement - Cost management, schedule management, and quality assurance - Information sharing and problem-solving support between development and manufacturing teams - Import and export operations (certification acquisition in each country, documentation support, security response, etc.) - Consulting on the above domains in customer product development [Products involved] - New products in small lots to several thousand units (including our own products and contracted projects) - Repeat production and improvement of our existing products [Attraction of this job] - The immeasurable excitement of seeing the first unit before the development engineer - The sense of accomplishment when you solve a customer's problem using your own knowledge - The joy of working with not only engineers but the whole company to launch a product as a team - The joy of facing manufacturing head-on - The joy of delivering the product to users who love it

[Required requirements] - Project management experience (preferably manufacturing/mass production projects) - Experience in setting up a factory or production line - Ability to negotiate with teams and partner companies - Basic knowledge of manufacturing processes and production management - Experience in mechanical design, jig and tool design, creating work procedure manuals, and creating BOMs - A love of manufacturing [Preferred requirements] - Experience in mass production of robots, precision machinery, and electronic devices - Experience in electrical design/software development related to mass-produced products - Proven track record of cost reduction and quality improvement in the manufacturing industry - QA experience - English ability (may involve collaboration with overseas suppliers) - Work experience at a hardware startup company [We welcome those who】 - Want to contribute to market creation in a growing market - Want to develop products in a small, elite team - Want to try their hand at platform development - Want to gain a business perspective - Like robots Not requried

A startup developing experiment satellites whose payload can be collected. Working on Japan's first atmospheric re-entry and payload collection. Utilizing the technology cultivated with this product, the company aspires to advance into space architecture and space transportation in the future. Year of foundation: 2021 Capital: 1.88 billion yen

Sendai-shi, Miyagi-ken

You will be leading the system design and development of spacecraft, including orbital transfer vehicles (OTVs), deep space probes, and atmospheric re-entry systems, based on small satellites operated in low to geostationary orbits.

Required skills: More than 5 years of experience in system development of small satellites or similar spacecraft (more than 3 years for PhD holders), or experience leading the system development of 3 or more spacecraft Nice-to-have skills: - Familiarity with spacecraft system configuration, mechanism, structure, functions, and their development and operation processes - Experience in spacecraft system design from concept level to detailed design - Experience in developing atmospheric re-entry systems - Experience in developing spacecraft propulsion systems - Development experience at a startup Soft skills: - Sympathy with the company's mission of "creating a world where everyone can live in space and enriching the future of humanity" - Ability to think and act independently in a startup at its early stage - Humbleness, consistent learning and growing - Not hesitant to communicate in English both inside and outside the company - Active involvement in new technology development Nice to have

A startup whose core technology is vision-based tactile sensor that enables multi-modal perception at low cost and with high durability. Working on its application to pick-and-place automation in ready-made food production. Foundation: October 2021 Capital: 104 million yen

Koto-ku, Tokyo or Kyoto-shi, Kyoto-fu

You will be in charge of designing and developing manpower-saving and automated solutions using food picking robots for food factories that produce a wide variety of products (daily lunch boxes/weekly food items, etc.), which have been considered difficult to achieve until now. In addition to the development of the robot's racks and feeders, you will also be responsible for the selection of peripheral elements such as the robot's jacket.

Required skills: - Experience in development of FA equipment including industrial/cooperative robot arms - Experience in mechanical design using 3D CAD Preferred skills: - Experience in mechanical design using Fusion360 - Experience in development of industrial machinery - Project management experience Business level in English or Japanese

A startup whose core technology is vision-based tactile sensor that enables multi-modal perception at low cost and with high durability. Working on its application to pick-and-place automation in ready-made food production. Foundation: October 2021 Capital: 104 million yen

Koto-ku, Tokyo or Kyoto-shi, Kyoto-fu

You will be in charge of fabrication of various products including tactile sensors, the company's core technology. In addition to prototyping, you will be involved in product planning, design, and manufacturing as a developer. - Fabrication of prototype parts using digital fabrication - Evaluation and improvement of fabricated products - Exploiting new materials and new manufacturing methods - Planning, design, and manufacturing of products

Required skills: - Experience in machining prototype parts - Experience in mechanical design using 3D CAD - Experience using digital fabrication tools such as 3D printers and laser cutters - Extensive experience in silicon molding Preferred skills: - Experience with Fusion360 - Experience in selecting and implementing digital fabrication tools Business level in English or Japanese