Full-stack Engineer

仕事内容: 株式会社ジーニーでFull-stack Engineerを募集します。 【About JAPAN AI】 JAPAN AI, Inc. was established in April 2023 as a group company of Geniee, Inc., a publicly listed company, with the aimof dramatically enhancing the potential of working people through AI technology. We leverage cutting-edge AI technologyto drive research and development both domestically and internationally.We focus particularly on the development of AI agents, providing innovative products and solutions that utilize largelanguage models (LLM). This enables us to improve productivity and operational efficiency across various industries.JAPAN AI leverages the advantages of being a startup, allowing for flexible and rapid decision-making, and quicklyadopting the latest technologies to provide optimal solutions for our clients. Additionally, our diverse team with aninternational perspective enhances our competitiveness in the global market.We aim to create new value and contribute to the progress of society as a whole through the transformative power of AI.Let's lead innovation through AI and create a future where technology enables people to achieve more. 【Why We’re Hiring】 With the rapid expansion of our business, we are seeking a Full-Stack Engineer who can lead research, development, andproduct implementation in advanced technical domains.In particular, we urgently need to strengthen our engineering team to develop core backend frameworks, which arecritical for advancing research and large-scale development in the AI Agent domain. 【Position】 Full-stack Engineer Role : Leader or Member As a Full-Stack Engineer, you will join our development team to lead the evolution of our AI products. You will beresponsible for solving complex technical challenges in core functionalities and driving the development of productsthat continue to be chosen by customers. 【Job Description】 You will be responsible for developing SaaS applications utilizing Generative AI. Your role will include designing andbuilding highly efficient and reusable systems, as well as developing complex web applications.Product Development Using LLM: Design and develop products leveraging Large Language Models (LLM).API Integration Projects: Lead projects to integrate multiple APIs and create new APIs.Design and Implementation: Perform design and implementation with a focus on performance and maintainability.Web Application Development: Develop frontend applications using TypeScript and Next.js. 【Team Structure】 Approximately 65 members are part of the development organization. Development is divided into the following groups: Client Solution Development In-house AI SaaS Development Common Infrastructure Development (Infra / Data / AI R&D)

求める人材: 【Required Qualifications】 We are looking for candidates with: Bachelor's or Master's degree in Computer Science, Software Engineering, Artificial Intelligence, Machine Learning,Mathematics, Physics, or related fields3+ years of experience in web application development using modern frameworks.2+ years of experience in server-side implementation.Proficiency in at least one backend language (e.g., Python, Java).Experience with cloud services (AWS, GCP, Azure) and understanding of container technologies (Docker, Kubernetes).Fluency in English and/or Japanese (business level or higher in at least one language).

年俸800万円～1500万円 給与: 800万円 ～ 1500万円 ※経験・能力を考慮の上、決定します。

シフト制 勤務時間・曜日: 09:00～18:00（実働8時間・休憩60分） ※配属先により異なります

休暇・休日: 土日休み

【保険制度】 ・雇用保険 ・労災保険 ・健康保険 ・厚生年金 待遇・福利厚生: ・リモート可 ・転勤なし

試用期間なし

その他: 本求人はSPARK株式会社が持つ人材紹介求人です。 求人に関しての問い合わせは下記までお願いします。 03-4582-3760 雇用形態: 正社員 給与: 8,000,000円 - 15,000,000円 年俸 平均所定労働時間（1か月当たり）: 160時間