Backend Developer Jobs in Japan

Backend Developer jobs in Japan hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $72,945/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

Japan
AI/ML
Data Science
Backend
Frontend
Mobile
DevOps
Web3
Games
Hardware
Robotics
Security
QA
Executive
Networking
Product
Design
Analytics
Support
Enterprise Apps
Quantum

Noeon Research

noeon.ai
Noeon Research is a deep-tech startup creating a new architecture for general reasoning. We try an unconventional approach to get to uncharted territory.
noeon.ai • Tokyo • LLM & Generative AI • Machine Learning • Artificial Intelligence
Tokyo • LLM & Generative AI • Machine Learning • Artificial Intelligence
$89k – $108k per year • Senior • 5+ years expTokyo • Remote (Japan) • Full-Time • Senior
C++
Python
Rust
TypeScript
DevOps
Docker
Apply
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Sourcegraph

sourcegraph.com
Founded in 2013, Sourcegraph is an AI-powered code intelligence platform designed to help software engineers search, understand, and automate edits across massive codebases. The platform offers universal code search and an AI coding assistant named Cody, enabling developers to navigate complex repositories, speed up context gathering, and fix issues faster. By integrating directly into existing developer workflows and hosting environments, the company helps large engineering teams scale productivity and maintain code quality.
sourcegraph.com • Media & Entertainment • Books • Artificial Intelligence • Code Intelligence • Est. 2013
Media & Entertainment • Books • Artificial Intelligence • Code Intelligence • Est. 2013
Verified live · 15 min ago 2 months ago

Software Engineer/Tech Lead - Code Plane [IC5]

$114k – $256k per year (Estimated) • Lead • 8+ years exp • Remote • Internship • Staff
JavaScript
Go
TypeScript
Databases
PostgreSQL
AI/ML
AI Agents
Claude
Claude Code
Cursor
Model Context Protocol
Frontend
Svelte
GraphQL
SvelteKit
DevOps
Docker
Kubernetes
QA
Rest-Assured
Apply
Verified live · 15 min ago 2 months ago

Software Engineer - Platform [IC3]

Remote
Model Context Protocol
DevOps
AWS
Azure
CDKTF
GCP
Kubernetes
SLI/SLO/SLA
Terraform
gRPC
QA
Rest-Assured
Apply
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Moneytree

getmoneytree.com
Moneytree is a financial technology company specializing in data aggregation and personal finance management. It offers applications and APIs that connect to banks and other financial institutions to consolidate, categorize, and analyze financial data for consumers and business users.
getmoneytree.com • Tokyo • Financial Services • Personal Finance • FinTech
Tokyo • Financial Services • Personal Finance • FinTech
$24k – $83k per year (Estimated) • Middle • 3+ years exp • Remote (Japan) • Contractor • Middle • Japanese (Optional)
JavaScript
Ruby
TypeScript
DevOps
AWS
Analytics
ETL/ELT
Apply
$38k – $82k per year (Estimated) • Remote (Japan) • Contractor • Japanese: C1 (Optional)
JavaScript
Ruby
TypeScript
DevOps
AWS
Analytics
ETL/ELT
Apply
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Tektome

tektome.com
Tektome builds reliable AI architecture frameworks for the AEC industry — structuring project data, checking BIM models, and turning past projects into searchable knowledge.
tektome.com • Tokyo • Artificial Intelligence • Real Estate • Architecture • Est. 2023
Tokyo • Artificial Intelligence • Real Estate • Architecture • Est. 2023
$39k – $93k per year (Estimated) • Senior • 5+ years expTokyo • Remote (Japan) • Bachelor's Degree • Full-Time • Senior
C#
C++
SQL
C#
.NET
Databases
PostgreSQL
Redis
Apache Kafka
RabbitMQ
AI/ML
LLM
DevOps
Docker
Kubernetes
CI/CD
Apply
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Omakase Robotics

omakase.ai
Omakase Robotics, a division of Zeals, is building Omakase OS, a software and systems stack that makes robots practical and reliable in human environments. We combine software, hardware, autonomy, and operations to deploy robots in real-world settings like hospitals, hospitality, and retail.
omakase.ai • Tokyo • Robotics AI • Robotics • Service & Hospitality Robotics
Tokyo • Robotics AI • Robotics • Service & Hospitality Robotics
$40k – $107k per year (Estimated) • Lead • Tokyo • Remote (Japan) • Full-Time • Staff
ROS
ROS2
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Binance

binance.com
Binance is the world's largest cryptocurrency exchange by trading volume, founded in 2017 by Changpeng Zhao and Yi He. The platform offers spot, margin and derivatives trading across hundreds of digital assets, alongside staking, savings products, payments, an institutional custody arm and a self-custodial Web3 wallet. The group also created BNB Chain, one of the most used smart contract networks, and now operates under a licensed regional structure after a 2023 settlement with United States authorities that installed new leadership and compliance oversight.
binance.com • HQ: Abu Dhabi, United Arab Emirates • Mining & Staking • Crypto Payments • Web3 & dApps • Blockchain & Crypto • Cryptocurrencies • Crypto Exchanges • 1001-5000 employees • Est. 2017
HQ: Abu Dhabi, United Arab Emirates • Mining & Staking • Crypto Payments • Web3 & dApps • Blockchain & Crypto • Cryptocurrencies • Crypto Exchanges • 1001-5000 employees • Est. 2017
Verified live · 2 hours ago 2 months ago

Backend Architect - Pay&Card Tech

$130k – $272k per year (Estimated) • Staff+ • 8+ years exp • Remote (Japan, United Arab Emirates, Argentina, Mexico, Taiwan) • Full-Time • Architect
Java
Apply
Open 1253 daysVerified live · 2 hours ago 3 years ago

Full Stack Engineer (Frontend Oriented) — Identity & Security

Middle • 3+ years expHong Kong • Remote (Japan, Taiwan, Thailand, Vietnam, Hong Kong) • Bachelor's Degree • Full-Time • Middle
JavaScript
Node JS
TypeScript
AI/ML
Claude
Claude Code
Copilot
Cursor
AI Agents
Computer Vision
RAG
Frontend
React.js
Mobile
State Management
DevOps
CI/CD
Docker
Kubernetes
Apply
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amptalk

amptalk.co.jp
amptalk is a Japan based technology company that provides software for conversation intelligence and sales support. Its platform records and analyzes business calls and online meetings to help sales teams review conversations and manage knowledge.
amptalk.co.jp • Tokyo • Artificial Intelligence • Sales & Marketing • Sales Enablement
Tokyo • Artificial Intelligence • Sales & Marketing • Sales Enablement
2 months ago

Sr. Software Engineer

$45k – $64k per year • Senior • 4+ years expTokyo • Remote (Japan) • Full-Time • Senior • Japanese
Node JS
TypeScript
JavaScript
AI/ML
OpenAI
Frontend
Nuxt.js
Vue.js
DevOps
AWS
GitHub
Apply
Report

Alpaca

alpaca.markets
Alpaca is a developer-first financial infrastructure, clearing, and brokerage API enterprise headquartered in San Mateo, California. Founded in 2015 by Yoshi Yokokawa and Hitoshi Harada, the company has raised over $320 million in venture funding - including a $150 million Series D at a $1.15 billion valuation led by Drive Capital, alongside Citadel Securities, Portage, and Horizons Ventures.
alpaca.markets • HQ: San Mateo, United States • Cybersecurity • Blockchain & Crypto • Financial Services • FinTech • Capital Markets • Est. 2015
HQ: San Mateo, United States • Cybersecurity • Blockchain & Crypto • Financial Services • FinTech • Capital Markets • Est. 2015
Verified live · 1 hour ago 2 months ago

Staff Software Engineer - New Markets Japan (JLPT N1 Fluent)

Equity • Staff+ • Remote (APAC) • Staff • Japanese: C1
C#
C++
Go
Java
Kotlin
Rust
Scala
DevOps
gRPC
Management
Slack
Apply
Verified live · 1 hour ago 4 months ago

Senior Software Engineer - New Markets Japan (JLPT N1 Fluent)

Equity • Senior • Remote (APAC) • Senior • Japanese: C1
C#
C++
Go
Java
Kotlin
Rust
Scala
DevOps
gRPC
Management
Slack
Apply
Report

xAI

x.ai
xAI is an American artificial intelligence company founded by Elon Musk in 2023 with the stated goal of building models that help humans understand the universe. It develops the Grok family of large language models, distributes them through a consumer assistant, a developer API and deep integration with the X social platform, and adds image and video generation through Grok Imagine. The company runs its own Colossus supercomputer clusters in Memphis, Tennessee, is headquartered in Palo Alto, California, and merged with X Corp in 2025 to combine model development with a large consumer distribution channel.
x.ai • HQ: Palo Alto, United States • Multimodal AI • AI Agents • Machine Learning • LLM & Generative AI • Artificial Intelligence • 1001-5000 employees • Est. 2023
HQ: Palo Alto, United States • Multimodal AI • AI Agents • Machine Learning • LLM & Generative AI • Artificial Intelligence • 1001-5000 employees • Est. 2023
Verified live · 3 hours ago 9 months ago

Backend Engineer - Enterprise

$68k – $147k per year (Estimated)In office (Tokyo, Japan)
C++
Rust
Python
TypeScript
Databases
ClickHouse
CockroachDB
PostgreSQL
AI/ML
Edge AI
Embeddings
LLM
RAG
DevOps
Docker
gRPC
Kubernetes
Apply
Report

Applied Intuition

appliedintuition.com
Applied Intuition is a Silicon Valley software company founded in 2017 that develops digital infrastructure and simulation platforms for autonomous systems and physical AI. The platform provides advanced tools for simulation, synthetic data generation, and vehicle software management, allowing engineers to develop, test, and safely deploy self-driving technology. It serves leading global automotive manufacturers, defense organizations, and commercial transport companies across sectors like trucking, agriculture, and mining.
appliedintuition.com • HQ: Mountain View, United States • Smart Mobility • Manufacturing • Automotive Manufacturing • Artificial Intelligence • Autonomous Driving • 1001-5000 employees • Est. 2017
HQ: Mountain View, United States • Smart Mobility • Manufacturing • Automotive Manufacturing • Artificial Intelligence • Autonomous Driving • 1001-5000 employees • Est. 2017
Verified live · 2 hours ago 2 months ago

Senior Software Engineer - Perception

$51k – $117k per year (Estimated) • Senior • 5+ years expIn office (Tokyo, Japan) • Bachelor's Degree • Full-Time • Senior
C++
Python
C++
PyTorch C++
AI/ML
Computer Vision
Multimodal AI
PyTorch
Robotics
Sensor Fusion
Apply
Verified live · 2 hours ago 3 months ago

Software Engineer - Controls

$28k – $97k per year (Estimated) • Middle • 4+ years expIn office (Tokyo, Japan) • Master's Degree • Full-Time • Middle
C++
Robotics
Autonomous Navigation
Model Predictive Control
Apply
Verified live · 2 hours ago 3 months ago

Senior Software Engineer - Planning

$51k – $117k per year (Estimated) • Senior • 5+ years expIn office (Tokyo, Japan) • Full-Time • Senior
C++
AI/ML
Human-in-the-Loop
Robotics
Motion Planning
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Walt Disney Company

disney.com
The Walt Disney Company is a global media and entertainment powerhouse renowned for its iconic animation, live-action films, world-famous theme parks, and legendary storytelling. The enterprise operates an expansive portfolio of premier brands - including Marvel, Star Wars, Pixar, and National Geographic - spanning direct-to-consumer streaming platforms like Disney+, broadcasting networks, and consumer products.
disney.com • HQ: Burbank, United States • Web Development • Cruises • Film Production • Theme Parks & Attractions • Media & Entertainment
HQ: Burbank, United States • Web Development • Cruises • Film Production • Theme Parks & Attractions • Media & Entertainment
Verified live · 6 hours ago 2 months ago

Forward Deployed Engineer, Japan

$38k – $90k per year (Estimated) • Equity • Senior • 8+ years exp • Remote (Japan) • Bachelor's Degree • Full-Time • Staff • Japanese: C1
C#
C++
JavaScript
Python
TypeScript
Frontend
Next.js
React.js
DevOps
AWS
Azure
GCP
Cybersecurity
GDPR
Apply
Report

Renesas Electronics

renesas.com
Renesas Electronics is a major Japanese semiconductor manufacturer specializing in microcontrollers, system-on-chips (SoCs), power management devices, and analog technologies. Headquartered in Tokyo, the company was established through the consolidation of the semiconductor divisions of Hitachi, Mitsubishi Electric, and NEC. It serves as a key supplier for the automotive, industrial, infrastructure, and Internet of Things (IoT) sectors globally.
renesas.com • HQ: Tokyo, Japan • Manufacturing • Hardware • Semiconductor Manufacturing • Semiconductors • 5000+ employees • Est. 1978
HQ: Tokyo, Japan • Manufacturing • Hardware • Semiconductor Manufacturing • Semiconductors • 5000+ employees • Est. 1978
$40k – $106k per year (Estimated) • Lead • In office (Kodaira, Japan) • Full-Time • Senior
C++
C++
OpenGL
AI/ML
CUDA
CUDA Toolkit
OpenCL
OpenCV
Robotics
GStreamer
ROS2
IoT
FreeRTOS
Apply
$57k – $119k per year (Estimated) • Staff+ • In office (Kodaira, Japan) • Full-Time • Senior
C++
C++
OpenGL
AI/ML
CUDA
CUDA Toolkit
OpenCL
OpenCV
Robotics
GStreamer
ROS2
IoT
FreeRTOS
Apply
Report

Hitachi

hitachi.com
Hitachi is a major Japanese multinational conglomerate specializing in industrial equipment, power systems, railway infrastructure, and digital technologies. Through its Social Innovation Business and Lumada platform, the company combines operational technology with enterprise IT to modernize critical infrastructure globally. Operating across diverse sectors - including energy, mobility, healthcare, and green technologies - Hitachi drives digital transformation and sustainable development worldwide.
hitachi.com • HQ: Tokyo, Japan • Hardware • Industrial Machinery • Manufacturing • 5000+ employees
HQ: Tokyo, Japan • Hardware • Industrial Machinery • Manufacturing • 5000+ employees
Verified live · 1 hour ago 2 months ago

Japanese Speaking Java Lead (in Tokyo)

$37k – $98k per year (Estimated) • Lead • In office (Tokyo, Japan, Ho Chi Minh City, Vietnam) • Full-Time • Staff • Japanese
Java
Java
Apache Tomcat
Databases
ElasticSearch
OpenSearch
DevOps
Amazon EC2
AWS
Nginx
Amazon CloudWatch
Amazon S3
Apply
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Defuse Labs

defuse.org
Defuse Labs develops NEAR Intents to enable seamless cross-chain interactions in an automated world — connecting AI, services, and financial applications.
defuse.org • Artificial Intelligence • Web3 & dApps • Blockchain & Crypto
Artificial Intelligence • Web3 & dApps • Blockchain & Crypto
Open 131 dayVerified live · 1 day ago 5 months ago

Senior Software Engineer

$94k – $229k per year (Estimated) • Senior • Remote • Senior
Node JS
Rust
TypeScript
JavaScript
DevOps
GCP
Grafana
Kubernetes
Prometheus
Web3
NEAR
Smart Contracts
Apply
Open 154 daysVerified live · 1 day ago 6 months ago

Senior Software Engineer (Solvers)

$92k – $223k per year (Estimated) • Senior • 7+ years exp • Remote • Senior
JavaScript
TypeScript
C++
Rust
Web3
NEAR
Smart Contracts
MEV
Apply
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Zilliz

zilliz.com
Zilliz is the company behind Milvus, the open-source vector database, and Zilliz Cloud, a fully managed vector database for building AI and RAG applications.
zilliz.com • Tokyo • Redwood City • Austin • Seoul • New York • Database Management • LLM & Generative AI • Artificial Intelligence
Tokyo • Redwood City • Austin • Seoul • New York • Database Management • LLM & Generative AI • Artificial Intelligence
Verified live · 10 hours ago 2 months ago

Founding Field Engineer, Japan

$41k – $88k per year (Estimated)Remote/Hybrid (Tokyo, Japan) • Full-Time • Japanese: C1
Milvus
AI/ML
Multimodal AI
Embeddings
RAG
DevOps
Kubernetes
Platform Engineering
SRE
Vector
GitHub
Apply
Report

PayPay

paypay.ne.jp
PayPay is Japan's leading QR code and mobile digital payments platform, launched in 2018 as a joint venture between SoftBank Group and Yahoo Japan (LINE Yahoo). The service allows consumers to pay at millions of physical merchants and online stores, transfer money instantly to friends, and pay utility bills directly using their smartphones. By driving cashless adoption across the country through aggressive rewards programs and widespread merchant integration, PayPay has grown into a major fintech ecosystem serving tens of millions of users.
paypay.ne.jp • Tokyo • Financial Services • FinTech • Payments
Tokyo • Financial Services • FinTech • Payments
$24k – $84k per year (Estimated) • Middle • 3+ years expIn office (Tokyo, Japan) • Relocation • Full-Time • Middle • Japanese (Optional)
Java
Kotlin
JavaScript
Java
Flyway
Gradle
Maven
Resilience4j
Spring Boot
Databases
Apache Kafka
DynamoDB
MySQL
Redis
AI/ML
ChatGPT
Copilot
Gemini
LLM
Frontend
npm
Mobile
JUnit
DevOps
ArgoCD
AWS
Docker
Kubernetes
GitHub
Management
Confluence
Draw.io
Jira
Slack
Apply
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Ispace

ispace-inc.com
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.
ispace-inc.com • HQ: Tokyo, Japan • Satellite Manufacturing • Space Services • Space & Aerospace
HQ: Tokyo, Japan • Satellite Manufacturing • Space Services • Space & Aerospace
Verified live · 1 day ago 2 months ago

Senior Flight Software Systems Engineer

$42k – $95k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (Tokyo, Japan) • Master's Degree • Full-Time • Senior • Japanese (Optional)
MATLAB
Python
Apply
Open 136 daysVerified live · 1 day ago 5 months ago

Satellite Technical Lead

$42k – $110k per year (Estimated) • Lead • 7+ years expRemote/Hybrid (Tokyo, Japan) • Full-Time • Staff • Japanese (Optional) • English
Apply
Open 160 daysVerified live · 1 day ago 6 months ago

Spacecraft Descent Guidance, Navigation, and Control Software Engineer

$59k – $123k per year (Estimated) • Staff+ • 10+ years expRemote/Hybrid (Tokyo, Japan) • Full-Time • Staff • Japanese: B2 (Optional)
C++
Python
MATLAB
MATLAB
Simulink
DevOps
Git
Robotics
PID Control
Apply
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Zapier

zapier.com
Build and scale AI workflows and agents across 9,000+ apps with Zapier—the most connected AI orchestration platform. Trusted by 3 million+ businesses.
zapier.com • Artificial Intelligence • Data Integration • Business Process Automation (BPA) • Est. 2011
Artificial Intelligence • Data Integration • Business Process Automation (BPA) • Est. 2011
Verified live · 19 min ago 3 months ago

Staff Backend Engineer, Commerce

Staff+ • 8+ years exp • Remote (AMER, EMEA, APAC) • Full-Time • Staff
ChatGPT
Claude
Management
Zapier
Apply
Report

Patsnap

patsnap.com
PatSnap is a leading provider of IP and R&D innovation intelligence platforms. It leverages advanced AI technologies to help companies enhance productivity, drive innovation, and accelerate business growth by providing insights into patent and R&D processes. PatSnap's offerings aim to reduce R&D costs, assist in the discovery of new materials, and support life sciences intelligence.
patsnap.com • Shanghai • London • Tokyo • Toronto • Biotechnology • Professional Services • Artificial Intelligence
Shanghai • London • Tokyo • Toronto • Biotechnology • Professional Services • Artificial Intelligence
Verified live · 3 hours ago 3 months ago

Forward Deployed Engineer (FDE)

$41k – $89k per year (Estimated)In office (Tokyo, Japan) • Full-Time
AI Agents
LLM
Prompt Engineering
Apply
Report

Match Group

mtch.com
Match Group is an American technology and social media company headquartered in Dallas, Texas, founded in 2009 as a corporate entity for its various dating platforms. The company owns and operates the world's largest portfolio of online dating services, including prominent brands such as Tinder, Match.com, Hinge, Meetic, OkCupid, and PlentyOfFish. It provides these digital platforms in over 40 languages to a global user base and maintains a significant presence in the international technology market as a publicly traded corporation on the NASDAQ.
mtch.com • HQ: Dallas, United States • Recommendation Systems • Artificial Intelligence • Mobile App Development • Software • Online Communication • Internet Services • Lifestyle • Dating & Relationships • Est. 2009
HQ: Dallas, United States • Recommendation Systems • Artificial Intelligence • Mobile App Development • Software • Online Communication • Internet Services • Lifestyle • Dating & Relationships • Est. 2009
Verified live · 1 day ago 3 months ago

Full-stack Engineer, Trust & Safety (Go, TypeScript)

$41k – $90k per year (Estimated)Remote/Hybrid (Tokyo, Japan) • Full-Time
JavaScript
Python
TypeScript
Databases
DynamoDB
ElasticSearch
MySQL
Redis
DevOps
AWS
Nginx
Docker
GCP
Git
Kubernetes
Terraform
GitHub
Management
Jira
Slack
Apply
Verified live · 1 day ago 3 months ago

Back-end Engineer, Trust & Safety (Go)

$41k – $90k per year (Estimated)Remote/Hybrid (Tokyo, Japan) • Full-Time
Go
JavaScript
Python
TypeScript
Databases
DynamoDB
ElasticSearch
MySQL
Redis
DevOps
AWS
Nginx
Docker
GCP
Git
Kubernetes
Terraform
GitHub
Management
Jira
Slack
Apply
Open 771 dayVerified live · 1 day ago 2 years ago

Back-end Engineer, Platform (Go)

$41k – $90k per year (Estimated)Remote/Hybrid (Tokyo, Japan) • Full-Time
JavaScript
Python
TypeScript
Databases
DynamoDB
ElasticSearch
MySQL
Redis
DevOps
AWS
Nginx
Docker
GCP
Git
Kubernetes
Terraform
GitHub
Management
Jira
Slack
Apply
Report
Backend Developer Jobs in Japan
Frequently asked questions
How many Backend Developer jobs in Japan are available on Alion?
There are currently 168 active listings from 86 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in Japan pay?
The average salary is around $72,945 per year based on the current listings.
Are remote options available for Backend Developer jobs in Japan?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for Backend Developer jobs in Japan?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.