CraftOS
is developing advanced AI agents to help startups run their operations after they have built their product. It has never been easier to launch an MVP. But once the product is ready to scale, many founders (solo entrepreneurs and small teams) get bogged down by the day-to-day grind of running the company.
We want to provide them with AI agents that help founders operate their startups, making intelligent decisions and automating the process of building and running a business.
We are looking for passionate
AI engineers
who believe in this vision and want to help us invent the next generation of autonomous AI agents. Here are your
responsibilities
:
- Design and develop our agent framework (multi-agent orchestration and tool integration).
- Deploy production services, implement CI/CD, manage infra on GCP (and other cloud)
- Introduce original AI agent technologies to the market.
- Work closely with an international team in a fast-moving startup environment.
Required Qualifications:
- Bachelor degree in Computer Science or related technical field, or equivalent practical experience.
- 3+ years of experience in Software Engineering.
- 2+ years of experience in Machine Learning, Generative AI, with strong skills in PyTorch for training and inference.
- Strong development experience with
Typescript, Python
. - Experience with using AI agents and MCP.
- Hands-on experience with
RAG pipelines
,
Prompt Engineering
, and
agentic framework
(
LangGraph, GenAI)
. - Strong English communication (spoken and written).
Preferred Qualifications:
- Master's degree in Computer Science or related technical field, or equivalent practical experience.
- Research experience in Machine Learning or related field.
- Experience in
fine-tuning LLMs
(e.g., LoRA, QLoRA) and building training pipelines. - Experience deploying ML systems on
GCP
or other major cloud platforms. - Japanese language proficiency is a plus.
Benefits:
- Early employee
equity - salary.
- Flexible work (hybrid in Fukuoka or remote).
- Japanese social insurance and commuter benefits if on-site.
Remember: this is not just an engineering role, you are invited to lead, influence, and co-create the future of the company.
-
AI Engineer
1ヶ月前
Fukuoka, Fukuoka CraftOS ¥1,500,000 - ¥3,000,000 per year+CraftOS is developing advanced AI agents to help startups run their operations after they have built their product. · +Design and develop our agent framework (multi-agent orchestration and tool integration). · Deploy production services, implement CI/CD, manage infra on GCP (and ...
-
Fukuoka G TalentThe company operates under the mission of "realizing a happy society through the resolution of social challenges using AI." They are dedicated to creating a wide variety of services utilizing their proprietary AI technology and AI platform as a solution for improving labor produc ...
-
Shime SpeechifyThe mission of Speechify is to make sure that reading is never a barrier to learning. · Over 50 million people use Speechify's text-to-speech products to turn whatever they're reading – PDFs, books, Google Docs, news articles, websites – into audio... · ...
-
Kawasaki, Kanagawa FUJITSU LIMITED(JAPAN)最先端のロボットおよび学習アルゴリズムに関する実際のシステム構築を推進します。高度なVLAおよびロボット基盤モデル研究に必要なインフラの設計と維持を支援します。これには、ロボットプラットフォームのセットアップ、データセットの管理、大規模なトレーニングパイプラインのサポート、軌道記述子、位相的シグネチャ、マルチロボット評価を含む構造学習実験の実現が含まれます。 · ...
-
Fukuoka FUJITSU LIMITED(JAPAN) ¥2,000,000 - ¥2,800,000 per year宇宙事業のデリバリ開発を推進する、サブリーダ、リーダ人材を募集します。技術習得に強い意欲を持った人材を求めます。 · ...
-
Fukuoka Rakutenクレジットカードをはじめ、電子マネーやWeb・アプリを用いた決済システムは、もはや私たちの生活から切り離せない存在です。楽天カードでは、トリプル3達成に向けてデータエンジニアを探しています。当チームは楽天カードのあらゆるサービスのためにデータを活用することを目指しています。 · ...
-
Software Engineer
4週間前
Fukuoka, Fukuoka Techvify CareersWe engineer breakthroughs. We innovate with AI, craft with code and scale with cloud. If you're looking to lead digital transformation through intelligent software we're ready to build with you. · ...
-
Fukuoka, Fukuoka Techvify CareersA Bridge System Engineer will play a role as a communication channel between the developing team in Vietnam and clients in Japan. · ...
-
Fukuoka G TalentThis business unit was established in March 2017 with the mission of · ...
-
Software Engineer
1ヶ月前
Fukuoka, Fukuoka TechvifyWe engineer breakthroughs. · We innovate with AI, craft with code, and scale with cloud. · Let's create the future – together. ...
-
シニアプロジェクトマネージャー
1ヶ月前
〒- 福岡県 福岡市 中央区 天神, 株式会社Fusic本ポジションでは、クラウド環境を活用した大規模システム開発において、即戦力としてプロジェクトをリードしていただきます。長期間にわたり10名以上のメンバーを率いるプロジェクトなど、影響力の大きい案件を統括し、確実に成功へ導くことを期待しています。Fusicは経営層との距離が近く、意思決定にスピード感があります。また、新規事業開発にも積極的に取り組んでおり特に生成AI事業や宇宙関連事業など成長領域におけるプロジェクトに参画する機会があります。 · ...
-
Fukuoka, Fukuoka Techvify Careers ¥5,000,000 - ¥6,850,000 per year+Job summary · A Bridge System Engineer will play a role as a communication channel between the developing team in Vietnam and clients in Japan. · +ResponsibilitiesA Bridge System Engineer will play a role as a communication channel between the developing team in Vietnam and clie ...
-
Fukuoka, Fukuoka Techvify Careers ¥650,000 per year+We engineer breakthroughs. · +Software development with Techvify's customers in high-tech fields: Automotive, Telecommunications, IoT… · Participate in software design... · +/+ · Javascript programming Language (AngularJS...) is a plus · ...
-
Fukuoka Computer FuturesWe are hiring a Senior Software Engineer to join a cloud-based SaaS product team serving corporate users in Japan. · Design, develop, and operate web applications end-to-end · Lead backend development using Ruby on Rails · ...
-
Data Scientist
1週間前
Fukuoka, Japan Rakuten Full timeRakuten Card is seeking data engineers to support new improvements · and projects aimed at unlocking the value of existing data.Build data pipelines and data warehouses, · Provide integrated analytics environments including BI tools. · ...
-
Fukuoka, Fukuoka Techvify Careers ¥5,400,000 - ¥10,800,000 per yearWe engineer breakthroughs. We innovate with AI, craft with code, and scale with cloud. To turn bold ideas into real-world impact. · ...
-
Fukuoka, Fukuoka Techvify ¥2,300,000 - ¥4,100,000 per yearWe engineer breakthroughs. We innovate with AI, craft with code, and scale with cloud. Let's create the future – together. · We partner with startups, enterprises, and even competitors on a shared mission: To turn bold ideas into real-world impact. ...
-
Fukuoka Agoda ¥80,000 - ¥140,000 per yearSenior MLOps Engineer will lead the design, development, and implementation of on-premises MLOps solutions that support the delivery of machine learning models. · ...
-
Sales IT
3週間前
Fukuoka, Fukuoka TechvifyWe partner with startups, enterprises and even competitors on a shared mission: to turn bold ideas into real-world impact. · ...
-
Application Engineer
3週間前
Fukuoka RakutenRakuten Card leads Japan's credit card industry with a strong business overview and customer satisfaction.Rakuten Card is currently advancing the lift-and-shift of existing systems to the cloud and strengthening collaboration between development and operations teams (i.e., DevOps ...
-
Sales Executive
2ヶ月前
Fukuoka, Fukuoka Techvify Careers ¥1,300,000 - ¥2,400,000 per yearWe are looking for a driven and talented Sales Executive to join our team. The successful candidate will be responsible for identifying, approaching, and acquiring new clients in the IT industry, particularly in the Japanese market. · ...