Backend Jobs in Japan
There are 65 open Backend jobs in Japan on freehire right now. 5 of them were posted recently. The skills employers ask for most often are api, cloud and ai.
Most requested skills
- api 69%
- cloud 55%
- ai 54%
- docker 48%
- github 45%
- gcp 43%
- kubernetes 43%
- aws 40%
How the work is done
- Hybrid 15 · 23%
- Onsite 6 · 9%
- Remote 6 · 9%
Visa sponsorship offered in 91% of the 22 postings that state a position on it.
Seniority
- Senior 22
- Lead 2
- Staff 2
Who is hiring
- 501-1000 employees 15
- 1000+ employees 13
- 11-50 employees 2
- 51-200 employees 1
English level
- C1 71%
- B1 19%
- A2 5%
- B2 5%
Share of the postings that state a required level (at least 20% of this market do).
Senior Backend Engineer (TypeScript) - Digital Asset Super App "Startale App"
Senior Backend Engineer building and scaling the backend for a digital asset super app handling 170K+ users, integrating Web2 APIs and Web3 blockchain data with TypeScript and distributed systems.
Software Engineer, Backend - Merpay
Builds and maintains scalable backend services for Merpay’s payment platforms using Go, gRPC, and Google Cloud, ensuring high availability and regulatory compliance in Japan.
Senior Product Engineer, Backend - Merpay
Build and maintain scalable, high-reliability payment and financial systems in Go using microservices, gRPC, and Google Cloud, while collaborating with cross-functional teams to deliver secure, compliant features.
Senior Software Engineer, Backend - Merpay
Senior backend engineer building and scaling financial platforms for Mercari’s payment arm, Merpay, using Go, microservices, and Google Cloud to handle high-volume transactions with strict compliance.
Staff Software Engineer, Data Backend - Tokyo, Japan
Builds and maintains AI-powered data infrastructure in Tokyo, designing RESTful APIs, data pipelines, and warehouses using Python, Trino/Presto, Pinot, Airflow, and Spark on AWS/GCP with Kubernetes orchestration.
Senior Software Engineer, Data Backend (Ad Cloud)
Senior Software Engineer builds and maintains AI-powered data backend systems using Python, ClickHouse, Trino, and Spark to process and serve business insights for an ad cloud platform.
Product Engineer, Backend - Merpay
Build and run Go-based microservices for Merpay’s payment, credit, accounting, or KYC platforms on Google Cloud, ensuring high availability and regulatory compliance in a Japanese-speaking team.
Software Engineer, Backend (Foundation) - Mercari Marketplace
Build and maintain core backend services for Mercari’s marketplace in Go on Google Cloud Platform, ensuring reliability and scalability for notifications, user settings, and media systems.
Mid-end and backend process technology (WET/Integration/Metal deposition/Lithography engineer)
SPS (Smart Power Stage) products are expected to see significant demand growth from 2025 to 2030, with a particular surge in demand for AI servers. These devices, especially embedded VPS such as PT (Power Tower Module)…
Engineer Part-Timer (Backend / Frontend / R&D)
Work on HashPort Wallet, a Japanese Web3 wallet serving approximately one million users. Depending on skills and interests, contribute to frontend, backend, or research and development while working with production…
AI-Driven Engineer (Front-end & Back-end) - IT Division, Rakuten Securities, Inc.
Job Description: Business Overview "Innovating Asset Building" - Creating the future as the financial hub of the Rakuten Ecosystem. Rakuten Securities is a core internet brokerage firm within the Rakuten Group,…
Senior Backend Software Engineer
Boundless Inc., part of Yahoo Inc (headquartered in the U.S.), is a trusted marketing and advertising partner empowering global companies to succeed in the Japanese market. With multilingual teams spanning key regions…
TypeScript Backend Engineer
You will take ownership of complex backend systems end-to-end, from designing APIs and backend services to building scalable data pipelines, managing databases, and integrating blockchain infrastructure. You'll…
Backend Engineer, Cloud Platform User/Role Permission Management - Cloud Management Department (CMD)
Job Description: Business Overview The Technology Platforms Division (TPD) drives the growth of Rakuten's ecosystem by delivering innovative, high-quality technology platforms characterized by integrated control…
Product Engineer, Backend (Logistics) - Mercari
Product Engineer, Backend (Logistics) - Mercari Employment Status: Full-time Work Hours: Full Flextime (no core time) Office: Roppongi For more details, see the Overview of Our Positions section on our Careers site.…
Backend Software Engineer, Robot Platform Software
About Woven by Toyota Woven by Toyota is enabling Toyota’s once-in-a-century transformation into a mobility company. Inspired by a legacy of innovating for the benefit of others, our mission is to challenge the current…
Back-end Engineer, Trust & Safety (Go)
エウレカは、真剣にパートナーを見つけたいと考えている方に向けた恋活・婚活マッチングアプリ「Pairs（ペアーズ）」を運営している会社です。 Pairsは、日本国内で累計登録数2,700万以上の日本最大級のオンラインデーティングアプリです。2012年に日本版、2013年に台湾版、2025年に韓国版のサービス開始して以来、順調に成長を続け、90万人以上の方がPairsでお相手を見つけています。…
Backend Engineer (Trust & Safety), Platform
エウレカは、真剣にパートナーを見つけたいと考えている方に向けた恋活・婚活マッチングアプリ「Pairs（ペアーズ）」を運営している会社です。 Pairsは、日本国内で累計登録数2,700万以上の日本最大級のオンラインデーティングアプリです。2012年に日本版、2013年に台湾版、2025年に韓国版のサービス開始して以来、順調に成長を続け、70万人以上の方がPairsでお相手を見つけています。…
BackEnd Engineer - バックエンドエンジニア
English follows Data Production Departmentは、弊社の独自小型SAR（合成開口レーダ）衛星「StriX」シリーズの衛星運用、画像データ生成、およびデータプロダクトの配信を担当しています。 この部門内で、Satellite Operation Planning…
Product Engineer, Backend (Ops Foundation) - Mercari
JD in Japanese follows. 英文の後に和文JDをご覧いただけます。 Product Engineer, Backend (Ops Foundation) - Mercari Employment Status: Full-time Work Hours: Full Flextime (no core time) Office: Roppongi For more details, see the Overview…