JOB DESCRIPTION
You will work with PdMs and engineers to define business requirements, system requirements, and code reviews.
Improve the quality of output as a team as a manager and mentor of the development team.
Identify potential failure behaviors in advance and collaborate with engineers to investigate and improve preventive measures.
Leading the response to problems in collaboration with engineers, technical support, and CS.
Lead the start-up of QA operations
Improvement of existing functions and creation of mechanisms for sharing knowledge
Communication with offshore members

REQUIREMENTS

• JLPT 3 or above;
• Living in Japan;
• Experience in system or product development PJT;
• Experience in system or product development PJT, doing basic design and detailed design by yourself;
• Experience in development in any language (more than 5 years);
• Experience in Ruby on Rails development.

Preferably:

• Experience in creating test plans, scenarios, and conditions for quality assurance;
• Experience working with both engineering and business teams to identify and resolve system operations issues;
• Experience managing a team of engineers;
• Experience leading a tech startup.

SALARY AND WORKING HOURS
8,000,000 - 14,000,000 Yen (depends on experience and skills)
9.00 AM - 6.00 PM

JOB DESCRIPTION
Through internal user support, you will be responsible for understanding the current situation, extracting issues, implementing improvements repeatedly, working on improving operational efficiency through "automation", providing a "stable system/work environment" using cloud services, and creating a system flow considering "security control".

REQUIREMENTS

• JLPT 3 or above;
• Living in Japan;
• Respond to inquiries from internal users and purchase PC equipment, etc.
• Understand/improve business processes;
• Research/evaluation of technological trends, introduction of new systems, and upgrading of existing systems;
• Improvement of operations, efficiency, troubleshooting, and solution proposals and promotion.

SALARY AND WORKING HOURS
4,500,000 - 6,000,000 Yen (depends on experience and skills)
Flextime system (core time 10:00-15:00)

JOB DESCRIPTION
The company is looking for a person who can develop "ambr", a new social virtual world accessible by VR devices.

REQUIREMENTS

• JLPT 3 or above;
• Living in Japan;

Candidates must have one of the following:

• More than 3 years of experience in 3D application development using Unity or Experience in 3D game development, including non-Unity applications.

Preferably:

• Experience in VR/mobile/macOS application development;
• Experience in game industry;
• Experience in application development involving real-time communication.

SALARY AND WORKING HOURS
4,000,000 - 10,000,000 Yen (depends on experience and skills)
Flextime system (core time 11:00 - 16:00)
Remote work basis (1 workday per week)

JOB DESCRIPTION
Support for the development of applications for major mobile carriers with a user base of 10 million voices is also a possibility.
Opportunity to be involved in all processes from planning to maintenance and operation
If you are interested in server side development, you can also participate.
Opportunity to experience not only front-end development, but also back-end development.

REQUIREMENTS

• JLPT 3 or above;
• Living in Japan;
• Experience with databases (Realm, SQLite, etc.);
• Experience in Swift development;
• Experience with RDBMS (SQL);
• Experience operating and building UNIX and Linux servers;
• Experience and understanding of program architecture.

SALARY AND WORKING HOURS
3,500,000 - 5,000,000 Yen (depends on experience and skills)
Flextime system (no core time)

JOB DESCRIPTION
We have a large number of engineers who pursue the "latest technology" and develop new services (iOS/Android applications and web services),
We are developing new services (iOS/Android applications and web services).

Our strengths lie in both planning and technical capabilities, and we are developing new services (iOS/Android apps and web services) using O2O technology, machine learning recommendation technology, and real-time video distribution technology.

The position is responsible for planning and developing mainly the architectural aspects of web services and application production in response to requests from clients. You will work as a team with in-house PMs and directors. You will also be responsible for leading development teams in overseas offices.

REQUIREMENTS

• JLPT 3 or above;
• Living in Japan;
• At least 5 years of development experience in Java, PHP, Ruby, or Golang;
• Experience in API and batch development and performance tuning;
• Experience in designing or building on one of the cloud platforms.

Preferably:

• Experience and knowledge of front-end technologies such as JavaScript, TypeScript, CSS, HTML5, etc;
• Experience developing modern web front-end applications using React, Vue.JS, etc.

SALARY AND WORKING HOURS
5,000,000 - 9,000,000 Yen (depends on experience and skills)
Flextime system (core time: 11:00-16:00)
*Prescribed working hours: 8 hours

JOB DESCRIPTION
The successful candidate will be involved in the implementation of mathematical models and the development of optimization algorithms in the area of statistical analysis, which is the core functionality of the product.
Develop algorithm engines using mathematical models for each of the ADVA services.
Research to utilize statistics, machine learning, etc. in the marketing domain.

REQUIREMENTS

• JLPT 3 or above;
• Living in Japan;
• Basic knowledge of probability theory, inferential statistics, and multiple regression analysis;
• Experience in data analysis and model building using Python or R, etc.

Preferably:

• Experience in implementing business logic in products;
• Knowledge and implementation experience of statistical learning and optimization algorithms;
• Experience in software engineering such as web service development;

SALARY AND WORKING HOURS
7,000,000 - 12,000,000 Yen (depends on experience and skills)
10:00 - 19:00 (Flexible hours, core hours: 10:00 - 15:00)

JOB DESCRIPTION
You will be responsible for the development of the data analysis infrastructure and recommendation functions that serve as the starting point for all measures. The company is not only entrusting you with operation and maintenance, but also with the ability to build an infrastructure with room for expansion and few restrictions, so you will be able to maximize your skills and build up a solid track record as a data engineer.

REQUIREMENTS

• JLPT 3 or above;
• Living in Japan;
• Experience in any of the following in a Google Cloud environment;
• Experience in design, development, and operation of recommendation functions using big data;
• Experience in design, development, and operation of DWH, DataPipeline, ELT, etc;
• Experience in design, development, and operation of data visualization using BI tools;
• Experience with Python and SQL (1 year or more);
• Experience in image processing, natural language processing, and machine learning;
• Experience in building real-time analysis infrastructure;
• Experience using Go language.

SALARY AND WORKING HOURS
6,000,000 - 12,000,000 Yen (depends on experience and skills)
Flextime system *Core time 11:00-17:00

JOB DESCRIPTION
The successful candidate will collaborate with the company's creators and promote projects for the development of creative analysis/generation systems utilizing AI and technology.
You will work with Dentsu's creators in an environment where you can take on the challenge of crossing AI and technology with creativity, which is a completely new area.

REQUIREMENTS

• JLPT 3 or above;
• Living in Japan;
• Experience in programming using Python, R, etc;
• Basic statistical analysis skills;
• Experience in machine learning using libraries such as TensorFlow and Chainer.

Preferably:

• Experience in data science domain;
• Experience in ad-tech domain;
• Master's or PhD degree in mathematical/informatics field;
• D. in Mathematical/Informatics field;
• Creative background.

SALARY AND WORKING HOURS
5,000,000 - 12,000,000 Yen (depends on experience and skills)
9:30-17:30

JOB DESCRIPTION
The successful candidate will be involved in the development of an AI engine for a production scheduler SaaS product.
The job will involve one or more of the following areas of work Algorithm.
The job will involve designing and developing algorithms (including data structures) for the product, and making improvements to improve performance.
Software Engineering.
Design, development, and maintenance of each module and interface of the system.
Customer Service/Project Management.
Organizing requirements, individual development, project management, and team management at the time of customer introduction. As we are still a small organization, it is possible to expand your career into other areas such as business development and management.

REQUIREMENTS

• JLPT 3 or above;
• Living in Japan;

One of the following is required:

• Programming experience of more than 3 years or More than 3 years of experience in system design.

SALARY AND WORKING HOURS
4,000,000 - 6,500,000 Yen (depends on experience and skills)
Flextime system: 10:00-19:00
(Core time 11:00 - 16:00)

JOB DESCRIPTION
This position is to develop AI that utilizes camera images and data for the company that aims to revolutionize distribution through technology.
Develop software that uses AI to analyze and infer images and data collected by AI cameras, etc.

REQUIREMENTS

• JLPT 3 or above;
• Living in Japan;
• Experience in leading projects using AI and image analysis (2+ years);
• Able to develop with awareness of performance and scalability;
• Experience negotiating with stakeholders (1+ years, project promotion experience).

Preferably:

• Experience in projects involving AI/DL and image analysis in embedded devices;
• Experience in embedded device development.

SALARY AND WORKING HOURS
6,000,000 - 10,000,000 Yen (depends on experience and skills)
8:30 - 17:30 (flex time system with core time 10:00 - 15:00)

JOB DESCRIPTION
We are looking for a person who can develop electrical components for our products.
Products: Measuring instruments, sensors, units embedded in equipment.
Scope: Specification review, design, and evaluation.

REQUIREMENTS

• JLPT 3 or above;
• Living in Japan;

Minimum 3 years of experience in any of the following:

• Experience in logic design of FPGA peripheral circuits or Experience in firmware design of microcontroller peripheral circuits.

Preferably:

• Experience in hardware development, design, and evaluation of mixed digital/analog circuit boards around microcontrollers and FPGAs;
• Experience in overall product system design;
• Experience in designing PC applications (even for evaluation);
• Experience in ladder design of PLCs and sequencers (even for evaluation).

SALARY AND WORKING HOURS
5,000,000 - 7,000,000 Yen (depends on experience and skills)
8:30 - 17:15

JOB DESCRIPTION
In the embedded software development department for industrial inkjet printers,
We are looking for a person who can handle the entire process from conception and requirement definition to product commercialization. The company is a leading-edge technology company that invests 7-8% of its total sales in development.

REQUIREMENTS

• JLPT 3 or above;
• Living in Japan;
• Technical knowledge and development experience in G-code;
• Experience in robot control software development;
• Experience with 3D hardware and control software;
• Experience in 3D-CAD or related software and solution development.

SALARY AND WORKING HOURS
4,000,000 - 7,000,000 Yen (depends on experience and skills)
8:20 - 17:20

JOB DESCRIPTION
This position is for the development of embedded software and circuit design for the company's bookbinding equipment.
Embedded software development (C language);
Board design;
Harness design;
Selection of electronic components;
Trial operation and adjustment, etc.
*The feature of our company is that we can design both software/hardware aspects related to control.

REQUIREMENTS

• JLPT 3 or above;
• Living in Japan;
• Graduated from an Electrical/Informatics department.

Preferably:

• Experience in electrical control;
• Experience in embedded software development;
• Those who are interested in both hardware and software design and eager to learn new knowledge.

SALARY AND WORKING HOURS
4,000,000 - 6,000,000 Yen (depends on experience and skills)
8:30 - 17:20

JOB DESCRIPTION
The candidate will be responsible for designing control circuits for the company.
Product: Manufacturing and inspection equipment.
Scope: automation, design, manufacturing, control, improvement, analysis, simulation.
Development: C language, electric circuit CAD.

REQUIREMENTS

• JLPT 3 or above;
• Living in Japan;
• More than 3 years of experience in embedded control circuit design and programming in C language;
• Experience in electrical circuit CAD.

Preferably:

• Ability to communicate technically in English (email);
• Experience in robot control programming (Universal, DENSO, etc.);
• Experience in implementation of image processing programs for assembly line and robot control;
• Experience in implementation of image processing using Open-CV.

SALARY AND WORKING HOURS
4,500,000 - 9,000,000 Yen (depends on experience and skills)
Flextime system (core time: 10:00-15:00) standard working hours: 8:30-17:30

JOB DESCRIPTION
Electric power control;
Control of logistics warehouses;
PLC control of production lines;
PLC control related to visualization;
Development languages:
PLC: ST language or FBD language;
Embedded control: C language or C++

REQUIREMENTS

• JLPT 3 or above;
• Living in Japan;
• A person who can investigate the necessary information about the following equipment by himself/herself from the model number of the connecting equipment without being provided with the details of the equipment;
• Experience in C or C++ development is a plus;
• Experience in creating programs in development environments of multiple manufacturers;
• Ability to read I/O from wiring diagrams to PLCs.

SALARY AND WORKING HOURS
4,000,000 - 8,000,000 Yen (depends on experience and skills)
Full flex-time system (no core time). Standard working hours: 9:00 - 17:30 / 7 hours and 30 minutes

JOB DESCRIPTION
You will be responsible for the development and implementation of AI technology to be incorporated into the company's product line, as well as basic research and development of unique machine learning technology for the future.

REQUIREMENTS

• Programming experience (any language);
• Experience presenting at academic conferences;
• Experience or interest in research and development using AI;

Preferably:

• Knowledge of AI, machine learning, deep learning and other technologies;
• Experience in C, C++, Python development.

SALARY AND WORKING HOURS
4,500,000 - 10,000,000 Yen (depends on experience and skills)
8:30 - 17:00 (with flex time: core time 11:00 - 14:00)

JOB DESCRIPTION
The candidate will be responsible for electrical/electronic circuit design and control design engineer for the company.
Development of control devices such as precision positioning devices and motor controllers (50%)
Improvement of precision positioning equipment to higher precision and intelligence (sensor information analysis, etc.) (30%)
Maintenance and improvement of existing control equipment (20%)

REQUIREMENTS

• Experience in electrical and electronic circuit design (3 years or more);
• Experience in development of microcomputer peripheral circuits.

Preferably:

• Experience in firmware development;
• Experience in closed control;
• Experience in stepping motor and servo motor control;
• Experience in control of precision positioning stages;
• Basic knowledge of PLC;
• Basic knowledge of artificial intelligence;
• Experience in factory automation industry (industrial equipment, home appliances, semiconductors).

SALARY AND WORKING HOURS
4,500,000 - 7,000,000 Yen (depends on experience and skills)
9:00 - 18:00

JOB DESCRIPTION
Implementation of iOS applications;
Requirement definition, basic design, operation design;
Development environment;
You will be in charge of the final release of the new service while communicating with the planner and developer;
Development language: Objective-C, Swift, Java;
Framework: Android Java, Swift;
Data store: Not applicable due to preparation on the server side;
Infrastructure: AWS;
Version control: Git.

REQUIREMENTS

• Experience in designing and developing smartphone applications (iOS) in Swift.

Preferably:

• Design and development of smartphone applications (Android);
• Experience in requirement definition, basic design, and vendor control;
• Experience in designing and developing web applications using PHP, Ruby, Java, etc;
• Experience in test plan development;
• Knowledge and experience in UI/UX.

SALARY AND WORKING HOURS
5,000,000 - 8,000,000 Yen (depends on experience and skills)
10:00 - 19:00

JOB DESCRIPTION

Development, operation, and maintenance of data platforms used throughout the company;
Support for data visualization (BI) and KPI formulation in the areas of supply chain, marketing, product planning, etc;
In-house development of site search and recommendations;
In-house development of digital marketing functions (MA/CRM, etc.);
Support for designing AB testing and data tracking;
Conversations with business units to promote DX and implementation of associated machine learning algorithms (demand forecasting, etc.)

REQUIREMENTS

• Experience in data infrastructure design and development;
• Experience in server side design and development;
• Experience using public cloud (AWS/GCP/Azure);
• Experience in data lake, DWH, BI development;
• Experience in the development and operation of services such as digital marketing, search, recommendation, etc;
• Experience in management and team leadership;
• Experience in SRE;
• Knowledge of machine learning;
• Experience in team development using GitHub, etc.

SALARY AND WORKING HOURS
4,000,000 - 7,000,000 Yen (depends on experience and skills)
Flextime system (core time: 10:00 - 15:00) Flexible hours: 6:00 - 10:00 and 15:00 - 19:00

JOB DESCRIPTION
The Data Analyst will be responsible for analyzing data, machine learning, and other methods to find out what the results represent, whether there are any regularities in consumer trends, and other regularities and requirements in large amounts of data, and make specific proposals and improvements to product functionality.
As an engineer-type analyst, you will be entrusted with a wide range of duties in a wide range of areas such as Java, machine learning, and statistical analysis.

REQUIREMENTS

• Business English (Intermediate);
• At least 3 years of experience as a data analyst in a B to B environment;
• Knowledge of machine learning, natural language processing, etc.

SALARY AND WORKING HOURS
5,000,000 - 7,000,000 Yen (depends on experience and skills)
9:00 - 18:00

JOB DESCRIPTION
Develop machine learning models and systems that use them to analyze medical images;
Creation of data for training;
Construction and improvement of machine learning models;
Implementing applications that use the models, etc.

REQUIREMENTS

• Experience in machine learning model development.

Preferably:

• Experience in developing machine learning models for image processing (especially for medical imaging);

SALARY AND WORKING HOURS
5,000,000 - 10,000,000 Yen (depends on experience and skills)
Flextime system (core time 10:30 - 15:30)

JOB DESCRIPTION
Responsible for developing AI algorithms and software for machine learning, deep learning, image recognition, natural language processing, recommendation systems, etc., for the development of AI consulting services for various industries, including the real estate, financial, and logistics industries, and for the application and growth of the technology to the company's AI cloud services. The position will be responsible for developing AI algorithms and software for machine learning, deep learning, image recognition, natural language processing, recommendation systems, etc.

REQUIREMENTS

• Experience in algorithm and software development for machine learning, image recognition, natural language processing, etc;
• Experience with AI frameworks (Pytorch, Tensorflow, scikit-learn, statsmodels, etc.)

Preferably:

• Experience in building and operating systems in a cloud environment (including serverless) (AWS, GCP, MS Azure);
• Experience in sales of commercial systems or AI technology development, PoC, etc.

SALARY AND WORKING HOURS
6,000,000 - 9,000,000 Yen (depends on experience and skills)
9:30 - 18:30 Flexible working hours (core time 11:00 - 15:30)

JOB DESCRIPTION
The following are production engineering duties for motors for electric vehicles (EV and HEV);
Development of manufacturing methods;
Process design;
PLC programming;
Mechanical design: 3DCAD;
Image processing: Deep Learning;
Introduction of DX.

REQUIREMENTS

• Experience and skills in any of the following;
• Experience in DX implementation (2 years or more);
• Experience in image processing using Deep Learning (2 years or more);
• Experience in PLC programming;
• Experience in motor production technology;
• Experience in production engineering in the automotive industry.

SALARY AND WORKING HOURS
4,000,000 - 9,500,000 Yen (depends on experience and skills)
8:15 - 17:00

JOB DESCRIPTION
Medical analyzers are made by integrating control robots using stepping motors and measuring instruments that perform optical and magnetic measurements. In order to develop a system that integrates multiple units and derives stable inspection data, we entrust you with the design for accurate driving without being affected by noise such as temperature changes, radio waves, and vibrations. In particular, precise design skills are required to achieve high dust resistance, low vibration, and low shock. You will work in collaboration with overseas (especially European) partner companies for joint development.

REQUIREMENTS

• At least 3 years of experience in design and development of mechanical systems.

Preferably:

• Experience in the use and development of automated hematology analyzers, HPLC systems, and mass spectrometers.

SALARY AND WORKING HOURS
4,500,000 - 8,500,000 Yen (depends on experience and skills)
Flextime system (no core time)

JOB DESCRIPTION
Control design and related work;
Electrical circuit design;
PLC program design;
PC program design.

REQUIREMENTS

• Experience in any of the following;
• Electrical circuit design (CAD);
• Electrical wiring;
• PLC software design (ladder program experience preferred);
• PC software design (C language, C++, C# are welcome).

SALARY AND WORKING HOURS
3,500,000 - 6,500,000 Yen (depends on experience and skills)
8:30 - 17:00

JOB DESCRIPTION
The electrical design of environmental test equipment (constant temperature/humidity chamber/constant temperature/humidity room) used in pharmaceutical stability testing.
The job description is to be in charge of electrical design of environmental test equipment (constant temperature/humidity chamber/constant temperature/humidity room) used for pharmaceutical stability testing.

REQUIREMENTS

• Experience in analog circuit design (any number of years is acceptable);
• Experience of using CAD for electrical design.

Preferably:

• Control circuit design (relay sequence and control design using PLC).

SALARY AND WORKING HOURS
5,000,000 - 5,500,000 Yen (depends on experience and skills)
9:00 - 18:00

JOB DESCRIPTION
Define requirements, design, develop, and operate the overall supply chain system.
The role will be responsible for the development and improvement of the core systems and logistics systems that support Oisix.
Identification of issues, hypothesis testing, and implementation of improvements to achieve development efficiency and stable operation.

REQUIREMENTS

• At least 3 years of experience in Java development using major frameworks (Spring, Struts, Play Framework, etc.);
• Able to learn the characteristics and ideal usage of even inexperienced frameworks by oneself;
• Experience in architecture selection, design, POC, and construction based on business requirements;
• Experience using version control tools such as Github and Gitlab in a multi-person development environment.

Preferably:

• Experience in design, POC, and construction of cloud-based architecture;
• Domain knowledge of warehouse management system (WMS: receiving, shipping, inventory management).

SALARY AND WORKING HOURS
8,000,000 - 10,000,000 Yen (depends on experience and skills)
9:30-18:30

JOB DESCRIPTION
The position will be based out of the office and will be responsible for the development of web-based software, primarily using Java, JavaScript, and Python.
The position will also be involved in upstream processes such as requirement definition and functional design as a software architect.
The candidate will also be involved in customization implementation and construction work in the customer's environment. (There is no customer stationing).

REQUIREMENTS

• Experience in software development (Java, JavaScript, Python, other web languages);

Preferably:

• Experience in infrastructure construction and operation, agile development.

SALARY AND WORKING HOURS
4,000,000 - 8,000,000 Yen (depends on experience and skills)
8:45 - 17:15

JOB DESCRIPTION
Web application development (project management, design, implementation).
Development of internal systems and support for business improvement.
There is a possibility of transfer to M3 eES Company, a group company.
At eES Company, you will be entrusted with the construction of a medical big data analysis platform.
Languages: Java/C#/Ruby, etc.
Frameworks: SA Struts / ASP.NET / Ruby on Rails, etc.
Development method: Agile development, Scrum development.
Source code management tools: GitLab/SVN, etc.

REQUIREMENTS

• At least 1 year of system development experience using object-oriented languages (Java, C#, Kotlin, Ruby, etc.);
• Experience in database development.

Preferably:

• Experience in web application development.

SALARY AND WORKING HOURS
5,000,000 - 8,000,000 Yen (depends on experience and skills)
Flextime system (core time 10:00-15:00)

JOB DESCRIPTION
We are looking for a development engineer to join our IT division, a trading company specializing in steel and chemical products. In addition to a large number of direct transactions, the percentage of contracted projects and in-house package development is increasing to 60%, covering a wide range of areas such as in-house development, prime contracted development, and SES.

REQUIREMENTS

• Experience in some kind of programming (any language, 1 year or more).

Preferably:

• Experience in web application development;
• Interest in the latest technologies such as IoT, AI, ERP, etc.

SALARY AND WORKING HOURS
3,500,000 - 8,000,000 Yen (depends on experience and skills)
9:00-18:00

JOB DESCRIPTION
Under the direction of the Tech Lead, develop algorithms and services in a team of several people, using deep learning and machine learning of language and other techniques in collaboration with other engineers.
Identifying issues faced by the client and examining technical solutions.
Data collection, client data analysis, and data visualization.

REQUIREMENTS

• Expertise in natural language, text mining, and unstructured data analysis;
• Advanced knowledge of AI technologies such as deep learning, machine learning, optimization algorithms, etc., and experience in these areas;
• Experience in Python, R, C++, etc. (2 to 3 years of experience in any of these languages)

Preferably:

• Experience winning prizes in competitions such as Kaggle, SIGNATE, etc;
• Experience in team development.

SALARY AND WORKING HOURS
3,600,000 - 7,000,000 Yen (depends on experience and skills)
9:00 - 18:00 (Flexible hours also available)

JOB DESCRIPTION
Research and development of applications related to machine learning.
Software development related to machine learning.

REQUIREMENTS

• Knowledge and experience of Python;
• Knowledge and experience with SQL;
• Experience in machine learning;
• Experience with cloud computing.

Preferably:

• Experience with AWS/GCP/Azure.

SALARY AND WORKING HOURS
5,000,000 - 12,000,000 Yen (depends on experience and skills)
10:00-18:00

JOB DESCRIPTION
Develop systems for detecting and tracking people using image processing.
Develop data integration infrastructure between cloud computing and edge systems.
You will be responsible for improving detection accuracy and processing speed with a view to expanding services, and building systems that link between edge and cloud computing.

REQUIREMENTS

• Must meet all of the following;
• At least 1 year of development experience using Python;
• At least 1 year of development experience using machine learning frameworks such as PyTorch and TensorFlow;
• At least 3 years of experience in research or development of image processing algorithms.

Preferably:

• Experience in C# development;
• Experience developing AI models in resource-constrained environments, such as model acceleration;
• Experience developing human detection models;
• Experience in AWS environment (Kinesis, Lambda, etc.);
• Experience in IoT development.

SALARY AND WORKING HOURS
5,100,000 - 7,000,000 Yen (depends on experience and skills)
9:15 - 17:40

JOB DESCRIPTION
As a member of an organization specializing in data, you will propose proposals related to the use of data analysis platforms across the company, promote the business, and commit to achieving results.
Define, design, and implement the analysis required for each business and the architecture and pipeline necessary for BI.
Construction and operation of analysis infrastructure using AWS/GCP
Maintenance of tools and other environments necessary for data business activities, and education to improve data literacy.

REQUIREMENTS

• Experience with large-scale data processing using SQL, Python, Spark, etc;
• Experience in large-scale data processing using SQL, Python, Spark, etc;
• Experience in building data analysis infrastructure in cloud such as AWS, GCP, Azure, etc.

Preferably:

• Experience in development and operation of web applications and distributed systems;
• Experience in DB tuning and SQL optimization;
• Experience in designing, building and managing BI tools (Tableau, etc.);
• Development environment/tools used;
• AWS, GCP, Tableau, SQL, Python, R, etc.

SALARY AND WORKING HOURS
5,000,000 - 7,500,000 Yen (depends on experience and skills)
9:00 - 17:45

JOB DESCRIPTION
Develop machine learning models and systems that use them to analyze medical images.
Creation of data for training.
Construction and improvement of machine learning models.
Implementing applications that use the models, etc.

REQUIREMENTS

• Experience in machine learning model development.

Preferably:

• Experience in developing machine learning models for image processing (especially medical imaging);
• Experience participating in competitions such as Kaggle.

SALARY AND WORKING HOURS
5,000,000 - 10,000,000 Yen (depends on experience and skills)
Flextime system (core time 10:30 - 15:30)

JOB DESCRIPTION
You will be involved in the application and web development of GeneLife, an in-house product for healthcare based on genetic test results.
You will work with business owners, product managers, and designers, and be involved in value and hypothesis testing for both the business and the product.
Design/build/operate/manage web application services
Design/development of APIs including mobile services
Operation and management of systems for internal use.

REQUIREMENTS

• Experience in systemization requirement definition, design, development, and operation; of web applications using Ruby or Java;
• At least 7 years of development experience;
• Experience in requirement definition, design, construction, and operation of technical; infrastructure utilizing cloud services (AWS, Azure, GCP, etc.);
• Experience in building/performance tuning of database services;
• Experience in building systems on AWS or Azure with security considerations;
• Experience in project management of web services.

Preferably:

• Experience in development using Groovy and Springboot;
• Experience in React development;
• Experience in building machine learning services.

SALARY AND WORKING HOURS
7,000,000 - 10,000,000 Yen (depends on experience and skills)
9:30 - 18:00

JOB DESCRIPTION
You will be responsible for developing iOS applications for Rakuten Pay users and merchants, and will be involved in a series of system-related tasks such as planning, development, and maintenance.
In addition to developing mobile applications, this position requires collaboration with other departments, including back-end and other service developers.

REQUIREMENTS

• At least 5 years of system development experience;
• At least 3 years of experience in iOS development and operation (using Objective C, Swift, etc.);
• Experience in mobile development cycle (system requirement definition, basic design, manufacturing, testing, etc.);
• Experience using version control tools such as Git;
• Experience with Unit testing and UI testing.

Preferably:

• Knowledge and experience with iOS memory management (ARC/MRC);
• Knowledge and experience in protocol oriented (POP);
• Experience in developing systems related to Fintech (mainly payments);
• Knowledge and experience in microservice architecture.

SALARY AND WORKING HOURS
7,000,000 - 10,000,000 Yen (depends on experience and skills)
9:00 - 5:30

JOB DESCRIPTION
The following is an overview of the OWNR by RENOSY application for real estate owners.
Planning, development, and operation of mobile apps.
Requirement definition.
Specification formulation.
Basic/detailed design.
Implementation and testing.

REQUIREMENTS

• Experience in any of the following;
• Experience in Android application development using Java/Kotlin;
• Experience in business development of iOS applications using Swift (Swift 3.x/Xcode8.0 or later);
• Experience as a leader of a mobile apps team;
• Experience leading a mobile app team;
• Experience developing and operating apps on your own;
• Experience in server-side development.

SALARY AND WORKING HOURS
4,500,000 - 9,000,000 Yen (depends on experience and skills)
Full flex-time system (no core time)

JOB DESCRIPTION
This position will be involved in the development of Android (Kotlin) applications for the "au PAY Market" EC service provided by au Commerce & Life.
Service design, development, and release.
Performance tuning.
Security support.
OS updates, etc.

REQUIREMENTS

• Experience in Android application development using Kotlin.

Preferably:

• Experience in EC industry;
• Experience in system requirement definition;
• Experience in Android application scratch development;
• Experience in OS updates, regulation changes, and other OS-induced maintenance.

SALARY AND WORKING HOURS
5,000,000 - 7,000,000 Yen (depends on experience and skills)
9:30 - 18:15