Backend Developer jobs in Tokyo hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $74,224/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
3s.care · HQ: Tokyo, Japan · EHR & Clinical Software · Home Care Services · Hiring 2
HQ: Tokyo, Japan · EHR & Clinical Software · Home Care Services · Hiring 2
3S is a Japanese care company with two businesses, a 24-hour monthly fixed-fee home visit care service called Aucare Home and a care operations SaaS named PORTALL. PORTALL is used in its own offices and by 22 outside operators, and the company hires engineers, a tech lead and a chief of staff. The company is based in Tokyo, Japan.
unifa-e.com · HQ: Tokyo, Japan · Early Childhood Education · Startup · Trust B · Hiring 8, 1 new
HQ: Tokyo, Japan · Early Childhood Education · Startup · Trust B · Hiring 8, 1 new
Unifa is a Japan-based childcare‑tech company that develops IoT- and AI-enabled software and services for daycare centers and other early childhood care providers, including the Lookmee video monitoring system. Its product portfolio spans 12 services across healthcare, photography and ICT and is offered as a vertical SaaS suite designed to reduce childcare professionals' workload and improve the quality of childcare. Unifa has deployed its services at over 11,000 facilities across Japan and completed a ¥4.0 billion funding round in June 2021 while preparing for a future public listing.
post-lintel.com · HQ: Tokyo, Japan · Commercial Real Estate · Property Management · Real Estate Brokerage · Trust B · Hiring 4
HQ: Tokyo, Japan · Commercial Real Estate · Property Management · Real Estate Brokerage · Trust B · Hiring 4
Post Lintel is a Japanese real estate company active in income property sales, capital markets, individual real estate investment sales and property management. It hires sales associates, property managers and an information systems engineer building Salesforce solutions. The company is headquartered in Tokyo, Japan.
AstroX is a Japanese space startup developing Rockoon, a next-generation launch system for space transport. It is hiring for business development roles, including government affairs staff to shape space policy, public funding and government procurement, with recruitment in Tokyo. The company is based in Minamisoma, Fukushima, Japan.
kauche.com · HQ: Tokyo, Japan · E-commerce Platforms · Likely startup · Trust D · Hiring 24, 1 new
HQ: Tokyo, Japan · E-commerce Platforms · Likely startup · Trust D · Hiring 24, 1 new
Kauche is a Japanese e-commerce startup whose shopping app combines social buying with games such as Kauche Farm, where crops grown in the app can be received as real products. The app passed 7 million downloads in July 2026 with heavy daily use, and the company hires principal mobile and backend engineers, product managers, QA engineers and a chief data officer. The company is based in Tokyo, Japan.
wwwave.jp · HQ: Tokyo, Japan · Digital Media · Publishing · Hiring 2
HQ: Tokyo, Japan · Digital Media · Publishing · Hiring 2
WWWave Corporation is a Japanese digital entertainment company built around digital comic publishing. It also invests in anime IP, media mix projects and domestic and overseas platform distribution, and develops its own services with Ruby on Rails. The company is headquartered in Tokyo, Japan.
kencopa.com · HQ: Tokyo, Japan · AI Agents · Construction Management Software · Est. 2024 · Likely startup · Trust B · Hiring 6
HQ: Tokyo, Japan · AI Agents · Construction Management Software · Est. 2024 · Likely startup · Trust B · Hiring 6
KENCOPA is a Japanese startup that develops AI agents and digital transformation solutions for the construction industry. Its agents understand natural language instructions and autonomously handle paperwork-heavy construction management, helping offset the retirement of skilled engineers and the ageing of Japan's infrastructure. The company was founded in 2024 and is headquartered in Tokyo, Japan.
segaxd.co.jp · HQ: Tokyo, Japan · IT Consulting & Digital Transformation · Trust B · Hiring 7
HQ: Tokyo, Japan · IT Consulting & Digital Transformation · Trust B · Hiring 7
SEGA XD is a digital solutions company that helps clients launch new businesses and develop products, with a focus on gamification and digital media. It runs the electronic manga service MANGA DRIVE and hires producers, product managers, service designers, iOS and Android engineers and server-side engineers. The company is based in Japan.
revcomm.com · HQ: Tokyo, Japan · Unified Communications · Marketing & Sales AI · Speech & Audio AI · 201-500 employees · Startup · Trust A · Hiring 32, 1 new
HQ: Tokyo, Japan · Unified Communications · Marketing & Sales AI · Speech & Audio AI · 201-500 employees · Startup · Trust A · Hiring 32, 1 new
RevComm is a Japanese technology company that specializes in AI-powered communication platforms, best known for its flagship voice analytics software, MiiTel. The platform utilizes artificial intelligence to analyze, transcribe, and visualize phone calls and online meetings to boost sales performance and customer support efficiency. By optimizing corporate communication and providing actionable insights, the company helps businesses increase conversion rates and improve remote team productivity.
relic.co.jp · HQ: Tokyo, Japan · Management Consulting · 201-500 employees · Est. 2015 · Trust C · Hiring 19
HQ: Tokyo, Japan · Management Consulting · 201-500 employees · Est. 2015 · Trust C · Hiring 19
Relic is a Japanese innovation management company that combines professional new business development services, incubation technology and venture and startup investment. It builds new products for startups and large enterprises and hires mobile app, backend and product development engineers, engineering managers and IoT hardware specialists. The company is headquartered in Ebisu, Shibuya, Tokyo, Japan.
ifs.com · HQ: Linköping, Sweden · Manufacturing & Industrial Software · Field Service Management Software · ERP & Business Management Software · 5000+ employees · Est. 1983 · Trust B · Hiring 233, 27 new
HQ: Linköping, Sweden · Manufacturing & Industrial Software · Field Service Management Software · ERP & Business Management Software · 5000+ employees · Est. 1983 · Trust B · Hiring 233, 27 new
IFS is a Swedish enterprise software company founded in Linkoping in 1983 that sells applications for organisations whose value depends on physical assets and field work rather than office processes. Its Cloud product combines enterprise resource planning, asset management and field service management in one model, which suits aerospace and defence, energy and utilities, manufacturing, construction and telecommunications customers who plan maintenance, parts and technicians together. Headquartered in Linkoping and majority owned by the private equity firms EQT and Hg, it has pushed hard into industrial artificial intelligence.
sys.ne.jp · Tokyo · Custom Software Development · Scheduling & Booking Software · Hiring 4
Tokyo · Custom Software Development · Scheduling & Booking Software · Hiring 4
SYS is a Japanese software company that develops OPTIMA, a SaaS booking system that helps hotels and ryokan maximise direct reservations instead of relying on online travel agencies. OPTIMA combines lodging, experience and dining bookings with marketing support and is used by about 2,500 properties, and the company hires engineering managers, project managers and customer success staff. The company is based in Japan.
primenumber.com · HQ: Tokyo, Japan · Data Engineering & Migration Services · Startup · Trust D · Hiring 15
HQ: Tokyo, Japan · Data Engineering & Migration Services · Startup · Trust D · Hiring 15
primeNumber is a Japanese data technology company whose vision is turning all kinds of data into business value, helping companies use data and AI. It has supported more than 2,500 companies and hires forward deployed engineers, full-stack technology architects, data scientists, data engineers and data analysts for its data solution business. The company is based in Tokyo, Japan.
solxyz.co.jp · HQ: Tokyo, Japan · Systems Integrators · Custom Software Development · Est. 1971 · Trust C · Hiring 15
HQ: Tokyo, Japan · Systems Integrators · Custom Software Development · Est. 1971 · Trust C · Hiring 15
SOLXYZ is a Japanese software company founded in 1971. It provides system development, embedded engineering and IT services to Japanese enterprises. The company is listed on the Tokyo Stock Exchange.
kids-public.co.jp · HQ: Tokyo, Japan · Pediatric Care · Primary Care & Medical Centers · Startup · Trust B · Hiring 5
HQ: Tokyo, Japan · Pediatric Care · Primary Care & Medical Centers · Startup · Trust B · Hiring 5
Kids Public is a Japanese healthcare company whose mission is to protect and improve health from pregnancy through childhood. It runs remote medical consultation services such as Pediatrics Online and Obstetrics Online for municipalities and companies, and it hires product engineers, product managers, test engineers, IT and customer success staff. The company is based in Japan.
logizard.co.jp · HQ: Tokyo, Japan · Warehousing · Supply Chain & Logistics Software · Hiring 2
HQ: Tokyo, Japan · Warehousing · Supply Chain & Logistics Software · Hiring 2
Logizard is a Japanese software company providing cloud-based inventory and warehouse management systems for e-commerce and retail logistics. Its main product, the cloud WMS Logizard ZERO, is used at more than 1,800 logistics sites, and the company also runs logistics and e-commerce seminars. The company is headquartered in Tokyo, Japan.
genech.co.jp · HQ: Kyoto, Japan · IoT Platforms & Solutions · Cloud Consulting & Migration · Systems Integrators · Est. 1992 · Trust D · Hiring 42
HQ: Kyoto, Japan · IoT Platforms & Solutions · Cloud Consulting & Migration · Systems Integrators · Est. 1992 · Trust D · Hiring 42
Genech Communication is a Japanese IT services company headquartered in Kyoto that supports corporate digital transformation through AWS cloud integration, IoT solutions and application development. Established in 1992, it has a Tokyo branch in Shinbashi and teams in Osaka and Fukuoka, sponsors AWS Summit as an AWS partner, and offers its own products, including the AIRO AI and OCR document tool and the IoT Station platform. It hires AWS solutions architects, cloud infrastructure, network, security and data engineers, generative AI and machine learning engineers, frontend and server-side engineers, system engineers and project managers.
mayflower.studio · HQ: Tokyo, Japan · Animation · Est. 2023 · Hiring 1
HQ: Tokyo, Japan · Animation · Est. 2023 · Hiring 1
Mayflower is a Japanese entertainment content company that brings Japanese talent to global audiences through animation production and Roblox game development. Established in September 2023, it also builds AI tools for creators and launches new global entertainment businesses, and it is hiring software engineers for full-cycle Roblox game development. The company is headquartered in Nishi-Gotanda, Shinagawa, Tokyo, Japan.
franky.inc · HQ: Tokyo, Japan · Consumer & Utility Software · Speech & Audio AI · Est. 2016 · Hiring 7
HQ: Tokyo, Japan · Consumer & Utility Software · Speech & Audio AI · Est. 2016 · Hiring 7
franky is a Japanese lifestyle company that handles brands and services to deliver a rich life. Its product Mori transcribes and summarises everyday conversations through a wearable device and turns them into a one-page diary using speech-to-text and language model technology. The company is headquartered in Tokyo, Japan.
