Job ID: 06519
Position: Full-Stack Engineer
Location: Tokyo (Full remote work)
Starting Salary Range: 7.000.000 ~ 12.000.000 JPY
Japanese level required: Business / Fluent
We are supporting a leading AI × Voice × Cloud technology startup that transforms sales enablement through innovative SaaS solutions. The company’s AI-powered voice analysis tools help visualize and improve communication challenges in sales and customer success, with a growing presence in Japan, the U.S., and Indonesia.
What You’ll Do:
- Lead full-stack development projects, including rapid prototyping for Proof of Concept (PoC) initiatives.
- Drive technical decisions, provide mentorship, and contribute to the growth of internal systems.
- Work across multiple projects, addressing high-impact technical challenges organization-wide.
Technical Environment:
- Languages: Python, JavaScript
- Frameworks: Django, FastAPI, Flask, Express
- Databases: PostgreSQL, DynamoDB
- Infrastructure: AWS (Fargate, Lambda, Aurora, etc.)
- Tools: GitHub, Slack, Notion, Docker
Requirements:
- Experience designing, developing, maintaining, and operating frontend and backend systems for high-availability services.
- Experience building systems on public cloud platforms using Infrastructure as Code (IaC) tools like Terraform.
- Experience designing and building microservice architectures focused on performance, availability, and maintainability.
- Proven track record in technical leadership or contributing to the technical growth of an organization or multiple teams.
Preferred:
- Performance tuning and troubleshooting experience.
- Experience making technical decisions for entire services, balancing requirements, cost, and productivity.
- Contribution to in-house products, open-source software, or technical publications.
Why Join:
- Fully remote work with a flexible schedule.
- Opportunity to work with cutting-edge AI voice technologies.
- Contribute to the technical direction of a company recognized as No.1 in the domestic cloud-based conversational AI market and Deloitte’s 2022 Technology Fast 50 Japan.
Employment Type: Regular Employment
Holidays: Weekends, national holidays, summer, and year-end/New Year holidays
Benefits: Health, welfare, pension, unemployment, and worker’s accident compensation insurance
We still have more positions available across different roles. If this isn’t the perfect fit, explore our other openings and feel free to apply!