Tech Lead - Backend Engineer - Voice AI Product

Join a global marketing technology company as a Tech Lead / Backend Engineer and play a central role in developing cutting-edge Voice AI solutions. You will design backend architecture, lead development initiatives, mentor team members, and support customers through technical discussions. This role offers the opportunity to shape an evolving speech product in a fast-paced, innovation-driven environment.

Key Responsibilities

• Design technology strategy and backend system architecture for the speech product

• Lead the development of voice AI solutions from concept to delivery

• Drive team leadership, mentoring, and organizational contributions

• Manage system integration and API integration for large-scale projects

• Support customer discussions, address technical challenges, and promote project delivery

Required Skills and Qualifications

Experience:

• 3+ years of Python application development

• Experience in a startup, growth-phase company, or similar fast-paced environment

• 3+ years of cloud services experience (GCP preferred; AWS/Azure also acceptable)

• Hands-on experience with container technologies (Docker, Kubernetes)

• Knowledge of or strong interest in AI-related technologies

• Experience launching new products or businesses (nice to have)

Soft Skills:

• Strong communication and teamwork abilities

• Ability to collaborate across engineering and non-technical teams

Language Requirements:

• Japanese: Business-level or higher

• English: Fluent

Preferred Skills & Qualifications

• Experience building chatbots, voice recognition systems, or AI agents

• Full-stack development experience (TypeScript/React)

• Experience launching products from 0→1 phase

About the Company

This multinational marketing technology company leverages global expertise to deliver innovative digital solutions. With a strong focus on new technology adoption and agile engineering culture, the organization empowers teams to create impactful products used across international markets.

Why You'll Love Working Here

• Fast decision-making environment with flexibility to introduce new technologies

• Employee stock ownership program and competitive benefits package

• Flexible working hours, hybrid/remote options, and minimal overtime

Don't Miss Out - Apply Now!