HQ: Tokyo, Japan • RMM & MSP Software • Computer Vision • IT Service & Asset Management • Est. 2000 • Hiring 32
OPTiM is a company founded in 2000 in Saga that develops device management and artificial intelligence platforms. Its Optimal Biz product manages corporate mobile devices, while its agriculture, construction and medical divisions apply computer vision to field work. The company holds a large portfolio of patents around internet of things and remote support.
No named decision-maker yet.
Careers mailbox is known
$16k – $20k per year • In office (Tokyo, Japan) • Part-Time
HQ: Tokyo, Japan • Humanoid Robots • Startup • Hiring 12
MUSE is a Japanese robotics company that develops autonomous mobile robots for retail stores, used for shelf stocking and for visualising in-store data so that staff can work more creatively and productively. It hires field engineers, robot QA engineers, full stack engineers, customer success staff and interns, and is building business development in the United States. The company is based in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
In office (Tokyo, Japan, 10am - 3pm) • Bachelor's Degree • Full-Time • Japanese: C1
C++
JavaScript
DevOps
Linux
AWS
Robotics
ROS
IoT
MQTT
≈ $58k – $132k per year (Estimated) • Lead • In office (Tokyo, Japan, 10am - 3pm) • Bachelor's Degree • Full-Time • Staff • Japanese: C1
C++
JavaScript
DevOps
Linux
AWS
Robotics
ROS
IoT
MQTT
HQ: Tokyo, Japan • Fitness • Club Management • 1001-5000 employees • Hiring 19, 1 new
hacomono is a Japanese technology company whose mission is to take the wellness industry to a new dimension with software for the sector. It hires platform engineers, engineering managers, corporate IT staff focused on zero-trust security, business operations planners and legal specialists, and holds ISO 27001 information security certification for parts of its business. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
$38k – $70k per year • In office (Tokyo, Japan)
C++
DevOps
RTOS
TCP/IP
IoT
MQTT
HQ: Tokyo, Japan • AI for Science • Robotics AI • AI Chips & Accelerators • Foundation Models • 1001-5000 employees • Est. 2014 • Hiring 65
Preferred Networks is a Japanese artificial intelligence company founded in Tokyo in 2014 and long regarded as the country's most technically ambitious AI startup. It created Chainer, one of the first define-by-run deep learning frameworks and an influence on the design of modern autograd systems, and has since built a full vertical stack from its own MN-Core accelerator silicon up to foundation models. The company applies that stack to manufacturing, robotics, materials science through the Matlantis simulator and healthcare, working closely with Japanese industrial partners including Toyota, Fanuc and Hitachi.
Daisuke Okanohara · Co-Founder & Executive Vice President · decision-maker
Toru Nishikawa · Co-Founder & Chief Executive Officer · decision-maker
Okanohara Daisuke · 代表取締役社長 · decision-maker
Huinaga Nishikawa · 代表取締役 · decision-maker
No careers mailbox known
Hybrid (Tokyo, Japan) • Full-Time • Japanese: C1
Hybrid (Tokyo, Japan) • Full-Time
≈ $49k – $112k per year (Estimated) • Senior • 8+ years exp • Hybrid (Tokyo, Japan) • Full-Time • Staff • Japanese: C1
Verilog
SystemVerilog
VHDL
SystemC
AI/ML
Machine Learning
DevOps
GitLab
GitHub
Git
HQ: Tokyo, Japan • Public Transport • Smart Mobility • Likely startup • Hiring 22, 1 new
newmo is a Japanese mobility company that uses technology to improve regional transport and runs its own taxi business with more than 2,100 employees. In August 2025 it launched newJob, a recruitment business for essential workers in fields such as care, logistics and transport, and it hires product leaders, taxi operations managers, corporate engineers and graduate staff in Tokyo, Osaka and Sapporo. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
$51k – $127k per year • In office (Tokyo, Japan) • Full-Time
Verilog
VHDL
AI/ML
Physical AI
DevOps
Linux
HQ: Tokyo, Japan • Custom Software Development • Embedded Software & RTOS • Est. 1985 • Trust B • Hiring 13
Genetec is an independent Japanese IT company listed on the Tokyo Stock Exchange Standard market that started in embedded software development and has expanded through acquisitions and new businesses. Founded in 1985, it hires embedded engineers for automotive, home appliance, IoT, printer, railway and defence equipment projects. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
In office (Tokyo, Japan) • Full-Time
Perl
Objective-C
C#
C++
C#
.NET
Mobile
MVVM
DevOps
Windows
Linux
In office (Tokyo, Japan) • Full-Time
Verilog
SystemVerilog
VHDL
MATLAB
C++
MATLAB
Simulink
In office (Tokyo, Japan) • Full-Time
Java
DevOps
Wi-Fi
Jenkins
Docker
Linux
IoT
Zigbee
HQ: Tokyo, Japan • Science & Engineering • Nuclear Engineering • Nuclear Energy • 51-200 employees • Est. 1970 • Trust B • Hiring 15
Kyoto Fusioneering develops advanced technologies for commercial fusion reactors, with particular focus on gyrotron systems, tritium fuel cycle technologies, and breeding blankets. It designs and supplies engineering solutions and components to support tritium production, high-power microwave systems and reactor subsystems aimed at improving performance and commercial viability. The company works with both public and private fusion developers globally to accelerate the realization of fusion energy as a practical power source.
No named decision-maker yet.
Careers mailbox is known
$532k – $683k per year • In office (Tokyo, Japan) • Full-Time
C++
Python
SpaceTech
ANSYS
$304k – $456k per year • In office (Tokyo, Japan) • Full-Time
HQ: Tsukuba, Japan • Satellite Manufacturing • Satellite Communications • Est. 2016 • Trust B • Hiring 10
Warpspace is a company founded in 2016 in Tsukuba that is building an optical inter-satellite communication network. Its WarpHub relay satellites aim to give earth observation operators faster downlink of imagery without waiting for ground station passes. The company grew out of student satellite projects at the University of Tsukuba.
No named decision-maker yet.
No careers mailbox known
$38k – $63k per year • In office (Tokyo, Japan) • Full-Time
Verified live · 4 hours ago
2 months ago
Long shot · 9%
IP/FPGAエンジニア
$32k – $44k per year • In office (Tokyo, Japan)
$32k – $57k per year • In office (Tokyo, Japan) • Full-Time
HQ: Tokyo, Japan • IoT Platforms & Solutions • Embedded Software & RTOS • Hiring 3
eForce is a Japanese technology company that develops middleware for embedded systems, such as a real-time operating system and a TCP/IP protocol stack. Its products are used in medical and industrial equipment and supplied to large manufacturers, and the company hires embedded engineers. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
Verified live · 1 hour ago
1 month ago
Long shot · 15%
組み込みエンジニア
In office (Tokyo, Japan) • Full-Time
Verified live · 1 hour ago
1 month ago
Long shot · 15%
27卒｜IoTエンジニア
In office (Tokyo, Japan)
Verified live · 1 hour ago
1 month ago
Long shot · 15%
27卒｜組み込みエンジニア
In office (Tokyo, Japan) • Full-Time
HQ: Sendai, Japan • Furniture • LED Lighting & Luminaires • Home Appliances • Trust C • Hiring 20
Iris Ohyama is a Japanese manufacturer and retailer of household goods, producing home appliances, LED lighting, bedding, storage and furniture, kitchenware, pet products, DIY tools and gardening goods. It also sells B2B solutions such as IoT lighting, temperature sensors and face recognition systems and runs its own e-commerce site. The company is headquartered in Sendai, Miyagi, Japan.
No named decision-maker yet.
No careers mailbox known
In office (Tokyo, Japan) • Full-Time
HQ: Tokyo, Japan • AI Consulting & Integration • Analytics & BI Consulting • Trust C • Hiring 38, 4 new
Data4cs (D4c) is a Japanese data analysis and AI consulting firm that helps organisations use data for management decisions and business growth. Its teams of data scientists and AI engineers run analytics and machine learning projects for clients in healthcare and other industries. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
$25k – $38k per year • In office (Tokyo, Japan)
Python
AI/ML
Copilot
DevOps
GitHub
Git
$28k per year • In office (Tokyo, Japan)
Python
AI/ML
Pandas
NumPy
$22k – $44k per year • In office (Tokyo, Japan)
MATLAB
C++
DevOps
RTOS
Linux
HQ: Tokyo, Japan • IoT Platforms & Solutions • Health & Medical Electronics • Trust B • Hiring 6
Flicfit is a Japanese IoT and healthcare startup that develops ardi, a smart insole device that records walking, posture and other body movement data. The data is analysed in real time to support physical and mental health and performance, and the company hires a tech lead or CTO candidate, full-stack engineers, a hardware product manager and UI/UX designers. The company is based in Japan.
No named decision-maker yet.
No careers mailbox known
$456k – $607k per year • In office (Tokyo, Japan) • Full-Time
$607k – $911k per year • In office (Tokyo, Japan) • Full-Time
Swift
Kotlin
TypeScript
Python
Dart
JavaScript
Python
FastAPI
AI/ML
LLM
Frontend
Next.js
React.js
Mobile
Flutter
DevOps
GitHub
AWS
+5
HQ: Tokyo, Japan • Space Services • 201-500 employees • Est. 2010 • Trust B • Hiring 53, 1 new
Ispace (TYO: 9348) is a global commercial lunar exploration and space infrastructure enterprise headquartered in Tokyo, Japan, with regional subsidiaries operating in Luxembourg and the United States (Denver, Colorado). Founded in 2010 by CEO Takeshi Hakamada, the publicly traded company has raised over $200 million in private equity and government grants from investors including Innovation Network Corporation of Japan (INCJ), Development Bank of Japan (DBJ), Suzuki Motor, and Japan's Space Strategy Fund.
No named decision-maker yet.
Careers mailbox is known
≈ $47k – $108k per year (Estimated) • Senior • 10+ years exp • Hybrid (Tokyo, Japan) • Bachelor's Degree • Full-Time • Senior • Japanese • English
Git
Linux
CI/CD
SpaceTech
SpaceWire
≈ $47k – $108k per year (Estimated) • Senior • 5+ years exp • Hybrid (Tokyo, Japan) • Bachelor's Degree • Full-Time • Senior • Japanese • English
Git
Linux
SpaceTech
SpaceWire
≈ $47k – $108k per year (Estimated) • Senior • 5+ years exp • Hybrid (Tokyo, Japan) • Full-Time • Senior • Japanese (Optional) • English: C1
HQ: Tokyo, Japan • Space Services • 51-200 employees • Est. 2013 • Trust B • Hiring 39, 3 new
Astroscale develops spacecraft and technologies for on-orbit servicing including life-extension, active debris removal, end-of-life services and in-situ space situational awareness. The company builds and operates satellite servicers and demonstration missions, notably the ELSA-d capture demonstrator, to remove or maintain space assets and mitigate orbital debris. Astroscale works with government agencies, commercial satellite operators and international partners to create sustainable space systems, business cases and norms for the responsible use of space.
No named decision-maker yet.
Careers mailbox is known
≈ $38k – $86k per year (Estimated) • Middle • 3+ years exp • In office (Tokyo, Japan) • Bachelor's Degree • Full-Time • Middle • Japanese: C1 • English
C++
Python
DevOps
Configuration Management
GitLab
Git
Docker
Linux
CI/CD
Management
Confluence
Jira
+2
≈ $31k – $75k per year (Estimated) • Junior • 2+ years exp • In office (Tokyo, Japan) • Bachelor's Degree • Full-Time • Junior • Japanese: C1
C++
Python
AI/ML
Computer Vision
DevOps
GitLab
Docker
Management
Confluence
Jira
Agile
≈ $37k – $85k per year (Estimated) • Middle • 3+ years exp • In office (Tokyo, Japan) • Full-Time • Middle • Japanese
HQ: Tokyo, Japan • Packaging & Labeling • Industrial Machinery • POS Terminals & Kiosks • Est. 1995 • Hiring 1
Teraoka Seiko is a Japanese manufacturer of weighing, packaging and POS systems for supermarkets, retailers and factories. Founded in 1925, it has 26 group companies, about 130 sales and service sites in Japan and distribution in around 150 countries, including the DIGI brand. The company is headquartered in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
$29k – $82k per year • In office (Tokyo, Japan) • Full-Time
HQ: Tokyo, Japan • Smart City • Automotive Manufacturing • Autonomous Driving • Automotive Software • 501-1000 employees • Est. 2018 • Trust B • Hiring 126, 2 new
Woven by Toyota is the software and advanced development arm of Toyota, established in 2018 and restructured into its present form in 2023, and it builds the vehicle software the group intends to run across its future models. Its work covers the Arene vehicle software platform, automated driving and safety systems, and Woven City, a purpose-built test community at the foot of Mount Fuji where the group can trial mobility technology in a real inhabited environment. Headquartered in Tokyo, it represents Toyota's attempt to develop software competence internally rather than depend on suppliers.
No named decision-maker yet.
No careers mailbox known
Hybrid (Tokyo, Japan) • Full-Time
≈ $39k – $90k per year (Estimated) • Middle • 3+ years exp • Hybrid (Tokyo, Japan) • Middle • Japanese
C++
AI/ML
Machine Learning
Management
Scrum
Agile
Hybrid (Tokyo, Japan) • Full-Time
C++
DevOps
GitHub Actions
Docker
Linux
CI/CD
HQ: Tokyo, Japan • Security & Surveillance Robotics • Drones & UAVs • Hiring 1
ERI Robotics is a Japanese company developing inspection drones and autonomous patrol robotics, with development sites in Kawasaki and Niigata. It designs drone bodies, payloads and peripheral equipment and recruits embedded and control engineers with ROS and LIDAR experience. The company is based in Tokyo, Japan.
No named decision-maker yet.
Careers mailbox is known
Verified live · 4 hours ago
2 months ago
Long shot · 12%
組込み・制御エンジニア
$32k – $51k per year • In office (Tokyo, Japan)
HQ: Oberkochen, Germany • Surgical Instruments & Devices • Eyewear • Medical Imaging Systems • Semiconductor Equipment • Optics & Photonic Components • 5000+ employees • Est. 1846 • Trust B • Hiring 773, 60 new
Zeiss is a German optics and optoelectronics group founded in Jena in 1846 that is owned by a foundation rather than by shareholders, which frees it to invest on very long horizons. Its most strategically important business supplies the optical systems inside extreme ultraviolet lithography machines, without which leading-edge semiconductor manufacturing would not be possible, and it also makes surgical and diagnostic ophthalmic equipment, spectacle lenses, industrial measurement systems, microscopes and camera optics. Headquartered in Oberkochen with a large site in Jena, the group employs tens of thousands of people and spends an unusually high share of revenue on research.
Karl Lamprecht · President and Chief Executive Officer · decision-maker
Carl Zeiss · Founder · founder
No careers mailbox known
$38k – $63k per year • Lead • Hybrid (Tokyo, Japan, 9am - 6pm) • Full-Time • Staff
HQ: Tokyo, Japan • Est. 1949 • Hiring 4
JEOL is a Tokyo scientific instrument company founded in 1949 that makes electron microscopes and analytical equipment. Its systems are used in semiconductor inspection, materials research and life sciences worldwide, and it builds electron beam lithography tools. The company is listed on the Tokyo Stock Exchange.
No named decision-maker yet.
No careers mailbox known
$15k – $32k per year • In office (Tokyo, Japan) • Full-Time
C++
Python
C#
C#
.NET
DevOps
GitHub
Windows
HQ: Tokyo, Japan • Logistics & Warehouse Robotics • Industrial Robotics • Robotic Software & Control Systems • 201-500 employees • Est. 2011 • Trust A • Hiring 56, 1 new
Mujin develops software for industrial robotics that enables vision-guided motion planning and real-time execution for warehouse automation and manufacturing. Its flagship controller integrates perception, motion planning, and robot control to allow teachingless operation of robotic arms for tasks such as case packing, palletizing and piece picking. The company primarily serves logistics, e-commerce fulfillment and manufacturing customers globally from its headquarters in Tokyo, Japan.
No named decision-maker yet.
No careers mailbox known
In office (Tokyo, Japan) • Bachelor's Degree • Full-Time • Japanese
≈ $44k – $100k per year (Estimated) • Senior • 5+ years exp • In office (Tokyo, Japan) • Bachelor's Degree • Full-Time • Senior • English: B2
