Back-End Engineer ・ Jobs in Japan search results

[Business content]
The main work is the functional development, maintenance operation, and improvement of the company's main product, ``In-house product cloud accounting/tax return''.
is.
<Specific job details>
・Improve product value by developing new functions and enhancing existing functions
・Maintenance and operation to ensure stable operation of mission-critical services
・Technical debt elimination and various improvements to enable the product to achieve sustainable growth ...

[Job Description]

- Participate in the development and design of the project's core code, and be responsible for the stability of the core system, performance monitoring, and performance optimization, as well as system architecture design, refactoring, optimization, and product interface design.

- Participate in the design of major modules, and develop and implement them.

- Participate in the formulation of related technical issues and countermeasures, and continuously improve the processing performance of the core system in line with the expans ...

[Job Description]
The Travel Development Department is a part of the same group.
Through API development, we aim to imagine a future where everyone involved in travel is happier.
The main job is to develop and operate APIs for the renewal of sites used by travelers and travel businesses around the world.
This position will suit those who are willing to grow with the business.
<Specific Job Description>
Working with team members, product managers, front-end engineers, related teams within the group (payment, points, membership), etc., we will develo ...

[Job summary]
As a back-end engineer, you will be responsible for design, programming, and testing in commissioned development projects.

[Job details]
As a back-end engineer, I will design, develop web systems, and develop mobile applications.
・Web system screen design, DB design, development, and testing
・Infrastructure environment construction and operation using cloud services
Project examples) Development of systems using AI, development of smart watch cooperation applications, development of consumer applications, etc...

■Rewarding ...

[Business content]
You will mainly lead the back-end development of services that support startup businesses. Along with the CTO, he participated in the team launch phase as one of the core members of the software development team. The company is looking for a leader who can help build a backend development team from scratch.
<Specific job details>
・Architectural concept planning and implementation that can keep up with business scale-up
・Construction/operation of common microservices that support services such as IoT/Web
・Team building and le ...

[Job Description]
The main work is the development of institutional systems, Android app development, web search platforms, etc. for clients (mainly large companies).

<Examples of projects>
■Business applications
Human resource and payroll systems/Time attendance management systems/Management accounting and financial accounting systems/BtoB and BtoC EC systems/Core systems
■Networks and databases
Various server construction/Oracle DB construction/CRM database construction/Development environment infrastructure construction/Factory network con ...

[Job Description]
●Control/Mechanical Design/Development Engineer
●Electrical/Mechanical/Software
●Research Field
Many developments involving participation from upstream processes

[Specifically]
Projects for major companies such as Toyota Motor Corporation, Nissan Motor Corporation, Honda Motor Co., Ltd., SUBARU, Canon, Kyocera, Tokyo Electron, Sony, Fuji Xerox, Toshiba, Hitachi Group, etc.
There are also projects that can be worked on from the design and development stage and research and development, allowing you to grow as a control/mec ...

You will design, develop, and operate the server side (API, etc.) of the new system.
You can also take charge of infrastructure construction using AWS services.
The main focus is web service development (from BtoB to BtoC, regardless of industry).
Most of our work involves system development for companies, and basically it is a direct transaction project. ...

The role involves backend development and operations using Java for a merchant's Item Management System (RMS). Responsibilities include system design, implementation, testing, and release across diverse development projects. The position also entails operational tasks such as inquiry management, investigation, trouble handling, and other operational duties.


Description

* Backend development and operations with Java for the item management system for merchants(RMS)
* System design, implementation, testing and release for various types of develop ...

Join the team as a UI/UX Designer for Generative AI Applications, where you'll spearhead the integration of AI technologies into user interfaces across cutting-edge projects. Collaborate closely with our client's AI researchers and engineers to craft intuitive and impactful digital experiences.


職務内容

* Collaborate with cross-functional teams to translate AI technologies into compelling user experiences.
* Design and prototype intuitive interfaces for AI applications.
* Ensure consistency in design across multiple platforms.
* Provide ...

As a Ruby on Rails developer, you'll focus on enhancing system reliability and performance through automation and new technologies. Responsibilities include improving observability, handling software upgrades, and ensuring security for stable operations.


職務内容

*

Improve system reliability, performance and scalability (refactoring, tuning of software used, etc.)

- Observability improvement

- Resolve software version ups and security issues.


理想の人材

* Experience in software development and operation using Ruby, Ruby ...

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 ...

You will design and develop features for an innovative payment platform, focusing on tokenization of card data. This role involves collaborating with teams to maintain and enhance system performance.


職務内容

* Maintain and enhance current system features
* Develop new functionalities based on business and technical requirements
* Communicate with various teams to gather requirements and make infrastructure decisions
* Design and implement high-performance, scalable Java applications
* Collaborate with team members to resolve technica ...

* Opportunity to work at the forefront of AI-driven data enrichment and empowerment, collaborating with cutting-edge technology in a dynamic team environment.
* Chance to enhance skills in cloud development, ML model deployment, and data science fundamentals while contributing to a mission-driven organization.


職務内容

* Design, development, and operation of data pipelines Design, development, and operation of web applications for internal users
* Design, development, and operation of web applications for internal users
* Automation of ...

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 ...

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 ...

Our client in top E-commerce company is currently looking for an experienced Ruby, Ruby on Rails engineer to join their team!

Description

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

Profile

* Software development experience using Ruby, Ruby on Rails, Node.js, etc.
* Test Code (RSpec, Minitest, etc.) implementation experience
* Experience using RDBMS (MySQL, Postgres, etc.)
* Devel ...

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 ...

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 ...