AI Developer

About Dentsu Group (dentsu)

Led by Dentsu Group Inc. (Tokyo: 4324 ISIN: JP3551520004), a pure holding company established on January 1, 2020, the Dentsu Group encompasses two operational networks: dentsu japan network, which oversees Dentsu's agency operations in Japan, and dentsu international, its international business headquarters in London, which oversees Dentsu's agency operations outside of Japan.

With a strong presence in approximately 145 countries and regions across five continents and with 65,000 dedicated professionals, the Dentsu Group provides a comprehensive range of client-centric integrated communications, media and digital services through its five leadership brands-Carat, dentsu X, iProspect, Dentsu Creative, and Merkle-as well as through Dentsu Japan Network companies, including Dentsu Inc., the world's largest single brand agency with a history of innovation. The Group is also active in the production and marketing of sports and entertainment content on a global scale.

Key Requirements

• Strong foundation in Prompt Engineering, Large Language Models (LLMs), and API integrations.

• Hands-on experience with Vibe Coding methodologies and AI coding agents (e.g., Claude Code, Google Antigravity, Cursor, or GitHub Copilot).

• Demonstrated experience in automating repetitive tasks and showcasing measurable efficiencies (e.g., hours saved, processes streamlined).

• Ability to quickly learn new AI technologies and identify ways to implement them to optimize marketing workflows.

• Ability to manage time effectively both independently and as a member of a cross-functional marketing and tech team.

• Demonstrated interest in AI technology and its practical application in digital marketing and workflow automation.

• Technical aptitude & logical reasoning, particularly in debugging and guiding AI-generated outputs.

• Foundational programming experience in Python, JavaScript, or similar languages to troubleshoot and refine AI-generated code (Good to have).

• Experience with automation tools like Zapier, Make, or n8n (Good to have).

Roles & Responsibilities

• Build rapid prototypes and internal tools using AI coding agents by analyzing the marketing team's workflow requirements.

• Deploy and test AI-generated scripts to automate marketing operations, data extraction, and campaign reporting.

• Highlight faults, debug, and course-correct logic in AI-generated code and integrations.

• Create, read, understand, and implement API documentation from various marketing platforms (e.g., CRMs, ad networks, email platforms).

• Create technical specifications and logic plans before prompting AI agents.

• Develop standard methods and best practices for interacting with LLMs and coding agents within the team.

• Continuously discover and pro-actively implement new AI automation solutions and agents to remain prepared for the future.

• Build and maintain a library of highly effective, reusable prompts and AI workflows for future use.