Leads a four-person Android team, combining people management and hiring with development-process improvements, cross-team coordination and hands-on Kotlin app work. The role also covers Android quality and incident response.
SpeakBUDDY is an education technology company that develops AI-based English-learning services. Its core app lets learners practise conversations with AI characters across everyday, travel and business scenarios, with personalized curricula, pronunciation exercises and feedback. It also operates CoachBUDDY, an online program combining app practice with guidance from human coaches.
The company serves individual learners through paid app subscriptions and coaching programs. It also supplies the app and coaching as training or employee-benefit services to companies, local governments and educational institutions. Its official site said these organizational services had reached 300 customers as of November 2025.
- Salary range
- ¥4M – ¥12M
- Median
- ¥6M – ¥9M
- Remote or hybrid
- 80%
- Most requested
- AWS 3
- Kotlin 3
- Azure 2
- Google Cloud 2
- Java 2
- MySQL 2
- JLPT N2 1
- Native Japanese 4
- Japanese posting, level unstated 10
- Common areas
- Sales 6
- Marketing 3
- Backend engineering 2
- Customer success 2
Measured from the 15 listings Ranked has live for SpeakBUDDY. Japanese level, visa signal and skills are AI-graded from each posting and can be wrong — confirm against the employer's original posting before applying.
15
open positions at SpeakBUDDY
12
Leads a five-person Backend team, managing engineers while shaping technical direction and development processes. Handles backend incidents and contributes hands-on to selected projects for a consumer AI conversation app.
Leads UI/UX quality and design operations for a learning app, combining hands-on reviews and prototyping with designer coaching, evaluation, and coordination across product teams.
Build SpeakBuddy’s iOS learning app in Swift, owning features from planning to release and delivering microphone handling, UI and animation, testing, operations, and quality improvements.
Build backend services for an AI conversation app, taking work from requirements through REST API design, implementation and release. Develop security, user-management and online-payment foundations, while improving database performance and scalability.
Leads a corporate sales and customer success group for English training, guiding teams from new proposals through adoption and renewals while improving processes with customer feedback.
Lead digital advertising strategy and campaign optimization, using performance data to improve creative and acquisition paths while directing agencies and production partners.
Leads a field-sales team for a corporate English-training service, setting targets and pipeline practices while handling enterprise proposals, renewals, account expansion, and coaching. The role also improves sales processes and works with customer success, inside sales, product, and content teams.
Manage and improve paid digital campaigns for SpeakBUDDY’s AI English-conversation app, using performance data to optimize acquisition, creative, landing pages and conversion.
Own B2B sales and post-contract growth for a corporate English-training service, from new-client proposals and closing to adoption support, renewals and account expansion.
Plans B2B lead-generation campaigns while contacting prospects, assessing corporate training needs, and creating sales meetings. Uses customer conversations and campaign results to improve follow-up and outreach.
Qualifies corporate leads for an English-learning service, hands sales-ready opportunities to account teams, and improves outreach through KPI analysis and shared team practices.
Contacts corporate leads, identifies training needs and buying status, and develops qualified meetings for field sales while improving follow-up and sales processes with marketing.
Lead experience design to enhance product value and create a design system for consistency across the product.
Lead planning, requirements, and delivery for a B2C AI English-conversation app, using user feedback and data to improve retention and LTV with cross-functional teams.