Back-End Engineer ・ Jobs in Japan search results

* Develop and maintain API/web applications supporting the shopping basket system for a prominent e-commerce platform, involving tasks from system enhancement to troubleshooting.
* Collaborate with the Site Reliability Engineering (SRE) Team, engaging in Java development, DevOps tasks, and contributing to the Ecommerce projects.


職務内容

* System development for the company's online platform, focusing on API and web applications.
* DevOps tasks: CI/CD creation, monitoring, load testing, troubleshooting.
* Contribution to version upgrade ...

You will be responsible for the improvement, operational design, and development of the company's own systems for the company's corporate and municipal services.

In the future, you will be expected to become a leader or manager who can manage and oversee the entire process, including collaboration and coordination with other departments.

You will be assigned to the System Division, which is a team of 32 people, including 1 CTO/Head of Division, 1 Deputy Head of Division, 3 General Managers, 13 people in Tokyo and 14 people in Osaka.

A workplace ...

Join a leading e-commerce platform as a Senior Java Developer/Team Lead, responsible for backend development, system design, and operational tasks for merchant item management.


Description

* Backend development and operations using Java for the item management system.
* System design, testing, and release for various development projects.
* Inquiry management, troubleshooting, and operational tasks.
* Lead a team and assure high quality of the systems.


Profile

* 5+ years of Java development experience, including Spring Framework and ...

Design and development of API and web application for a large scale flea market application + Infrastructure operation and maintenance.


職務内容

* Collaborate with PDM, PJM, and stakeholders for specification understanding.
* Clarify functional/non-functional requirements and offer alternative solutions.
* Lead backend development teams, ensuring coding standards and design reviews.
* Drive continuous improvement in development processes and introduce CI/CD, test automations, and DevOps.


理想の人材

* Ruby programming experi ...

Seeking Kubernetes/Container/Linux engineers proficient in Golang/Python to join a team managing a private cloud infrastructure. Responsibilities include operation, development, user support, and migration assistance across diverse platforms and tools.


Description

* Provisioning and operation of Kubernetes clusters and nodes.
* Development of automation tools for provisioning, upgrading, and self-healing.
* Providing user support and migration assistance, ensuring system stability and security.


Profile

* Hands-on experience in Kuberne ...

This role includes creating product specifications based on business needs and communicating with the IT team in China for technical implementation. Also, the position requires you to participate in development sprints and testing the final product for any issues.


Description

* Deal with product development with PM
* Making product specification (user story) based on business requirements.
* Communicate with IT team in China on the technical implementation.
* Communicate with IT team in China to address bugs.
* Participate in Sprint and r ...

Seeking a skilled C# Web App and Backend Engineer to join a team focused on system re-architecture, cloud migration, and enhancing OMS, BOSS functionality. As part of a scrum team, you'll design features, mentor juniors, and ensure system reliability and security.


Description

* Propose and implement solutions aligned with business needs
* Enhance existing functions and address system improvements
* Mentor junior team members and share expertise through knowledge sharing sessions
* Assist in troubleshooting and handling inquiries


Profil ...

Seeking a DevOps Engineer with 4-6 years of experience to join a dynamic team in Japan, responsible for managing Kubernetes clusters, defining CI/CD pipelines, and optimizing system performance.


Description

* Manage Kubernetes clusters and Docker environments.
* Define CI/CD pipelines using Jenkins or AWS CodePipeline.
* Enhance reporting in Grafana/Kibana and ensure DevSecOps practices.
* Optimize system performance and resource utilization.
* Provide technical solutions and proactive improvement ideas.


Profile

* 4-6 years of exp ...

Web Application Engineer role involving backend development for the company's point-related products, collaborating with Product and Project Managers to ensure effective solution design and implementation.


職務内容

* Collaborate with PDM, PJM, and stakeholders for specification understanding.
* Clarify functional/non-functional requirements and offer alternative solutions.
* Lead backend development teams, ensuring coding standards and design reviews.
* Drive continuous improvement in development processes and introduce CI/CD, test auto ...

The role involves developing new business functions, reworking existing ones, designing backend applications, mentoring juniors, and providing assistance when needed.


Description

* Provide ideas, create new functions, and put them into practice while keeping the demands of the business in mind
* Rework, enhance, and/or restructure the current functions
* Designing and developing backend applications
* Mentor/Coach junior members if needed
* Help with answering questions and providing assistance when necessary


Profile

* Five or mor ...

Looking for Senior Engineers with BA/PM experience and strong Java/Python skills, preferably with knowledge in databases, to contribute to diverse projects within a major financial institution.

Candidates will have the opportunity to apply their expertise in various technical environments, potentially including Mainframe systems.


Description

* Support and maintain ongoing projects
* Utilize technical skills in Java/Python
* Assist in database management
* Potential involvement in Mainframe environments
* Contribute to architecture and ...

Looking for a Mobile Application Developer who has more than 1 year of experience os iOS application development! You will work together with other developers, QA, and project managers to work on a system used by mutltiple businesses across the country!


Description

* Development of a monitoring site and smartphone app for the largest survey panel members in Japan
* System development for new marketing research-related product development utilizing accumulated data


Profile

* More than 1 year of experience in iOS app development
* Good ...

In order to operate and provide stable services with fewer operations, our client is actively working on new technologies as well as automation. This position requires you to be proactive about improving the operations of the services that you are responsible for, and that you are able to learn the skills necessary for those improvements on your own and utilize them in your work.


Description

* Improving system reliability, performance, and scalability (refactoring, tuning of software used, etc.)
* Observability improvements
* Version up of ea ...

To achieve stable operation and delivery of these services with minimal manual intervention, we actively embrace new technologies and automation.

In this position, we are looking for someone who is highly motivated to improve the operation of their assigned services and who can take initiative to learn the necessary skills and apply them to their work.


Description

* Improve system reliability, performance, and scalability (through refactoring, tuning utilized software, etc.)
* Enhance observability
* Manage version updates and resolve secu ...

* 自社システムのバックエンド開発（Java, Springboot/Azure)
* アプリのバックエンドAPI、画面を伴うWEB開発などサーバーサイド言語を用いた開発


Description

アプリのバックエンドAPI、画面を伴うWEB開発などサーバーサイド言語を用いた開発を内製化チームのメンバーとして従事していただきます。

【使用技術】
・Java SpringBoot
・MySQL
・Redis
・ElasticSearch
・Azure Kubernetes, API Management, SQL Database Redis


Profile

* Spri ...

[Job summary]
You will be responsible for working as a backend engineer.

[Job details]
・Elimination of technical debt
・Working on new technology and supporting its introduction
・Security support
・Technology strategy planning
・Improved onboarding

specifically···
・Development system based on Scrum
・Improving issues from a business perspective
・Improving issues from a customer perspective

[Rewarding work]
・In order to support the division's technical issues and the introduction of new technologies, we will constantly ...

A talented server-side engineer who wants to be involved in the development of the video distribution service, company. You have at least three years of professional work experience as a software engineer and enjoy continuously learning.

As a server-side engineer, you will be responsible for the following tasks:

- Specification formulation, design, implementation, testing, release, etc. associated with the development of content and user information management systems
- Improvement of existing systems, repayment of technical debt, maintenance, o ...

[Job summary]
The company is looking for an engineer who can lead back-end development. In addition to working with your own hands to output high-quality code, we expect you to communicate with the business side and lead to solutions to business issues using a technical approach.

[Job details]
・Additional functions and improvements to services using Ruby on Rails
・Propose technical solutions to business issues
・Listen to requests from the business side and incorporate them into system requirements
・Propose and promote measures to improve ...

[Job summary]
We will be responsible for promoting the development of our own services, including renewals, with a focus on AI chatbots.

[Job details]
・Server-side function design and implementation using Ruby on Rails
・UX design in collaboration with front team and CS team
・System maintenance

■Development environment: Ruby on rails

★☆Charm☆★
- A person with commit authority for both Ruby and Ruby on Rails is appointed as a technical advisor, making it easy to gain a wide range of knowledge about Ruby and Rails.
・Able to ...

[Job summary]
As a backend engineer for CtoB auction services, you will be involved in all phases necessary for product development, including planning, design, development, and operation.
You will also be involved in systems used by users and buyers, and management systems used by employees.

[Job details]
・Development of new functions, design, development, operation and maintenance of functional improvements
・Document creation and review of specifications and design documents
・Improvements/technical proposals in function development

[Ch ...