AI-driven Development Engineer (Full-Stack Engineer)

MonstarlabTokyojapandevpublished 08/12/2026
Must-have:TypeScriptPythonJavaGoReactVueFlutterGitAWSAzureGoogle CloudDockerCloudBackendFullstackQA/TestAgileScrumCI/CDTDDAIFinTechLead

Jobdiscription

You will lead the end-to-end process—from ideation to development—of innovative services and products that leverage cutting-edge technologies such as AI, MaaS, FinTech, IoT, and VR.

As an exceptional AI talent, you will not only maximize the value of AI-driven development, but also demonstrate an order of magnitude higher productivity than traditional engineers—10 times more efficient, revolutionary, and future-ready.

Details

Streamlining a wide range of development tasks—including requirements definition, design, implementation, and testing—by leveraging AI assistance and AI agents.

Evaluating and promoting the adoption of AI-driven development tools, such as IDEs like Cursor and Windsurf, and agent-based platforms like Bolt.new and Devin.

Collaborating with internal project managers, directors, and designers to drive business success from a technical perspective.

As a tech lead, define the technical direction of projects and guide the development team.

As a full-stack engineer, lead development teams based primarily in Japan and Vietnam, driving projects to successful delivery.

Demonstrate leadership beyond your area of expertise to drive project success.

Responsible not only for design and development, but also for building CI/CD pipelines, formulating and executing deployment strategies, and driving stable operations and continuous improvement of the service.

Development environment

Languages: Python / TypeScript / Java / Golang, etc.

Cloud Platforms: AWS / Azure (including OpenAI) / GCP

Development Support Tools: Cursor / Windsurf / GitHub Copilot, etc.

Others: React / Vue / Flutter / Terraform / Docker / GitHub Actions

Generative AI Models: GPT / Claude / Gemini, etc.

Cloud Generative AI Platforms: AWS Bedrock / Azure OpenAI Service

AI-Related Technology Libraries: ADK, LangChain, etc.

Required Qualifications

Minimum 3 years of practical experience as a technical leader in web system development projects

Experience with cloud development using AWS, Azure, or GCP

Preferred Qualifications

Basic knowledge of machine learning and deep learning, with experience using related Python libraries

Experience developing applications or agents using LLMs (e.g., LangChain)

Experience customizing LLMs themselves

Experience using AWS Bedrock or Azure OpenAI Service

Practical knowledge of design and development processes such as Domain-Driven Design

Leadership experience in upstream processes such as requirements definition and basic design

Backend development experience using frameworks like Django or Spring

Experience with environment setup using Docker and Terraform

Experience with test automation and test-driven development

Experience with agile development methodologies such as Scrum and XP

Desired Attributes

Proactive learner who actively acquires and applies new technologies like AI

Someone who objectively analyzes the advantages and disadvantages of new technologies on a regular basis

Business-minded individual who can contribute to company-wide development efficiency and quality improvement

Team player who values collaboration and works well with colleagues to advance development efforts