Tech Lead / 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 actively leverages AI technology in its product development. In its own products, "GENIEE SFA/CRM" and "GENIEE CHAT," it offers AI-related features that improve customer work efficiency and productivity, such as automatic meeting minute summarization and automatic email generation using ChatGPT.

Amidst this environment, the group established a new subsidiary, "JAPAN AI Inc.," on April 11, 2023, to further promote AI technology-related implementation consulting, product provision, and research and development.

JAPAN AI Inc. upholds the Purpose of "Passing on Japan and exponentially growing the potential of working people with AI." It develops and provides various AI products to improve the productivity of Japanese companies and revitalize industries. To develop advanced products, it is also advancing research in fields such as various large language models, including ChatGPT, and Generative AI.

【Recruitment Background】
Established in April 2023, JAPAN AI Inc. has continued to experience steady business growth, leading to an increasing number of diverse requests from clients utilizing its products.

APAN AI Inc. was founded in April 2023 as a group company of the listed entity, with the aim of dramatically enhancing the potential of working individuals through the power of AI technology. The company leverages cutting-edge AI technology and promotes research and development both domestically and internationally.

In particular, they are focusing on the development of AI agents, providing innovative products and solutions that utilize large language models (LLMs). This enables the improvement of productivity and operational efficiency across various industries.

JAPAN AI harnesses the advantages of a startup, allowing for flexible and rapid decision-making, and quickly adopts the latest technologies to provide optimal solutions to clients. Furthermore, a diverse team with an international perspective enhances its competitiveness in the global market.

The company aims to create new value and contribute to the progress of society as a whole through the transformative power of AI. Join them in leading AI innovation and creating a future where technology empowers people to achieve more.

Amidst the anticipated rapid expansion of their business, the company is seeking a Full-Stack Engineer who can lead research and development and product implementation in advanced technical domains.

In particular, to promote research and large-scale development in the AI agent field, there is an urgent need to strengthen their team of engineers who will be responsible for developing the core backend framework.

【Team Structure】 Approximately 65 members are part of the development organization.
Development is divided into the following groups:
・Client-Facing Solutions Development
・In-house AI SaaS Development
・Common Platform Development (Infra / Data / AI R&D)
→ In this position, you will join the development team as a Full-Stack Engineer who drives their AI products. You will be entrusted with development leadership to solve advanced technical challenges in core functionalities and create products that are chosen by customers.

【Responsibilities】
You will be responsible for developing SaaS applications utilizing Generative AI. This includes designing and building highly efficient and reusable systems, as well as developing complex web applications.

【Specifically】
Product Development Using LLM
Design and develop products that leverage large-scale language models (LLMs)
API integration projects: Facilitate projects that integrate multiple APIs and generate new APIs
Design and implementation: Design and implementation with performance and maintainability in mind
Web application development: Front-end development using TypeScript and Next.js

【Development Environment】
Frontend: TypeScript, Next.js, React
Backend: Python
Infrastructure: GCP, GPU Cloud Services
Development Tools: Slack, Confluence, Jira, Google Workspace, GitHub

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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

【Required】
3+ years of web application development experience using modern frameworks.
3+ years of web application development experience using Python.
1+ years of web application development experience using React.
Experience with cloud services (AWS, GCP, Azure) and understanding of container technologies (Docker, Kubernetes).
1+ years of experience leading technology and team members in roles such as Tech Lead or Team Lead.
Japanese (Fluent): Ability to discuss without discrepancies in product development.