Full Stack Engineer｜Marketing Technology Company

【 About the company 】

Business Overview.
Development and provision of advertising delivery platforms for Internet media
(2) Providing marketing support services for advertisers and advertising agencies
They support the development and introduction of the marketing automation system, the CRM/SFA and the chat tool.
[Specifically...]
In the realm of ad technology and digital marketing, they use cutting-edge technology to independently develop products that help our clients maximize their revenues.
In particular, they are focusing on platform business, which analyzes users' access to ad spaces in web media and smartphone applications and delivers the most appropriate ads in a real-time auction format.

In fiscal 2016, the core business expanded to the No. 1 scale in Japan.
In addition, they have developed six products in-house: "SSP," "DSP," "DMP," "Marketing Automation," "CRM/SFA," and "Chatbot" for domestic and overseas markets.

As of June 2019, they have six overseas offices in five countries, including Singapore, Vietnam, Indonesia, Thailand, and India. Even in rapidly growing Asia, we are working to maximize advertising revenue for local companies by leveraging Japan's advanced technological capabilities.

Going forward, they will continue to lead the field of ad technology both in Japan and abroad, and take on the challenge of exploring unknown areas.

【 Job Description】

The company is actively using AI technology in its product development, and offers AI-related functions in its GENIEE SFA/CRM and GENIEE CHAT products, such as automatic summarization of minutes and automatic creation of emails using ChatGPT, to help customers improve their business efficiency and productivity.

Under these circumstances, the group established a new subsidiary, JAPAN AI Corporation, on April 11, 2023, to further promote implementation consulting, product provision, and R&D related to AI technology.

JAPAN AI Co., Ltd. is developing and providing various AI products to improve the productivity of Japanese companies and revitalize industries, with the Purpose of "handing down Japan and leapfrogging the potential of workers with AI". In order to develop advanced products, they are also conducting research in fields such as ChatGPT, various large-scale language models, and GenerativeAI.

【Recruitment Background】
JAPAN AI, established in April 2023, continues to grow steadily, and is increasingly receiving diverse requests from clients who use its products.

They are looking for someone who can be in charge of prompt engineering for the in-house product JAPAN AI Chat and the new PoC development to respond to a wide variety of requests.

【Responsibilities】
The company is a fast-growing startup looking for a full-stack engineer.
Responsible for product development of SaaS products utilizing Generative AI, designing and building highly efficient and reusable systems and supporting complex web applications.

[Specifically]
LLM-based product development: Develop products that leverage large-scale language models (LLMs).
API integration projects: We are responsible for projects that integrate multiple APIs and generate new APIs.
Design and implementation: Design and implement with performance and maintainability in mind.
Web application development: Work on web applications using TypeScript, Next.js, etc.

【Development Environment】
Frontend: TypeScript, Next.js, React
Backend: Python
Infrastructure : GCP, GPU cloud Services
Development tools : Slack, Confluence, Jira, Google Workspace, Github
Working environment
Mac (Apple Silicon)
Github Copilot and in-house GPT available
Up to 2 monitors available

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【 Working time 】

10:00~19:00

【 Welfare 】

・Full social insurance
・Commuting allowance
・Family Allowance
・Book purchase subsidy (up to 30,000 yen per half year)
・Refreshment allowance (up to 5,000 yen per month)
・Rent allowance
・Support system for acquiring qualifications and languages, and support for attending training courses (individual application required)
・Working parents' support system
・Refreshment leave system
・Club activity allowance
・Other in-house events (monthly get-togethers, etc.) 
・Use of Kanto IT Software Health Insurance Association's recreational facilities, affiliated sports clubs, etc.
・Regular health checkups (once a year)

【 Holidays 】

・Saturday/Sunday/National Holiday
・Annual Paid Leave
・New Year Holiday
・Summer Holiday
・Winter Holiday

【MUST】
Bachelor's or Master's degree in Computer Science, Artificial Intelligence, Machine Learning or related field required.
Experience in developing web application development using modern frameworks : 3+ years
Experience in server-side implementation : 2+ years
Experience implementing in at least one back-end language (Python, Java, etc.)
Experience with cloud services (AWS, GCP, Azure) and understanding of container technologies (Docker, Kubernetes)
English and Japanese (Fluent *business level in either is acceptable)

【WANT】
Experience in SaaS web application development
Experience designing and building large and complex architectures
Basic understanding and interest in Generative AI
Ability to keep up with the latest technology trends and return knowledge and expertise to the organization