Our English Conversation app 「AI English Conversation Speak Buddy」uses AI characters to help users learn English Conversation skills in a fun way. Since 2013, we've been developing our own apps and services, centered around English education, and released the 「Speak Buddy」app in 2016. This app uses speech recognition, AI conversation, and digital voice technology, that allows users to study English in a new way by speaking to a host of AI characters. In May, 2019, we achieved the number 1 rank in the app store's Education category. On top of that, in May of 2023, we surpassed 2.5 million downloads, and our download numbers are continuing to increase day by day. Aside from 「Speak Buddy」, we also have an online service called 「SpeakBUDDY Personal Coaching」specializing in English Coaching that supports each users' daily English studies with the help of a coach, and an online Q&A website that launched in May of 2022 called 「SpeakBUDDY English Study Q&A」where users can ask our professional English coaches about their concerns related to studying English, and are continuing to put effort into the development of new services.

「Open a world of opportunities by achieving true language acquisition」. That is our mission. We believe that if people are able to speak directly to others around the world, that they will have a much wider scope of opportunities available to them. Our main product is our 「AI English Conversation Speak Buddy」app, that uses the latest in voice recognition, AI conversation, and digital voice technology to solve the problem, "I cannot speak English well, so it's too embarrassing for me to speak English in front of others" the many Japanese people who want to learn English face. Through our products, we would like to create a world where as many people as possible can experience the joy of overcoming an obstacle they were told was impossible to defeat, where they can be constantly surprised by new discoveries and information, and where they can have moving and meaningful conversations with friends in other countries.

【An international environment where professional colleagues work as a team】　 ・A server side engineer who got his doctorate in computer science in Europe ・An iOS engineer who has an intensive programming background, who previously worked for an infrastructure company ・A top class UI/UX designer from one of the best design agencies in Australia And more! Our members are all talented, hard working professionals from around the globe. 【Communicating in English】 Since we're a pretty global organization, there are tons of chances to communicate with other members in English. We also have all company meetings in English as well. Even if you don't have confidence in your Japanese skills, we offer classes with coaches where you can brush up your abilities. We also have benefits for our members like offering financial support for taking language certification exams, so there are plenty of chances to improve your language skills without the worry or pressure. 【A Great Work Environment】 We believe that work life balance is an essential factor to ensuring our members can perform at their best. Our members only do about 10~20 hours of overtime on average, and the company has a work environment that makes it easy to enjoy both your work and private life. We have systems like remote work and shifting start times that make it easy to adjust the time and place you work to your preferences. We also have many members who are parents or international members, so we understand the situations and struggles they face at work, and we always strive to create a comfortable environment for all the members at our company.

This is a backend systems and infrastructure development position that will assist in the development of our 「AI English Conversation SpeakBuddy」app that has about 3 million total downloads. 【Position Details】 ・Planning, Development, and Operation of the app's Backend Systems and Infrastructure ・Making suggestions, planning, and implementation of new architecture for the app ・Making suggestions, planning, and implementation of new features for the app 【Appeal of This Position】 ・You can experience using the latest technology like generative AI, speech recognition, and machine learning ・You can experience developing and running a service with a high traffic environment ・You can work while improving your Japanese skills 【About the Development Environment】 Language：Kotlin, Python Framework：Spring Boot Infrastructure ：AWS（Managed by Terraform） Tools：GitHub, BitBucket, Slack, Datadog, JIRA, Confluence 【About the Team】 ・The team that is developing our 「AI English Conversation SpeakBuddy」app consists of 16 people includes product managers, engineers, designers, and more. ・Over 40% of this team are international members with many different cultures, and daily communication occurs in English in this team. ・There are many talented members in this team who have a strong interest in language learning and who empathize with our mission. 【Requirements】 ・Experience with backend development・service operation / SRE experience (2-3 years or more) ・Deep knowledge of AWS ・Experience in development and operation using JVM ・Experience in building and modifying the existing service architecture to ensure its scalability and availability ・English (Business Level Proficiency or More) 【Nice to have】 ・Development Experience using Terraform, GitHub Actions 【Interview Process】 Causal Interview（Online） ↓ Coding Test ↓ Interview 2 Times（Online） ↓ Reference Check ↓ Final Interview（Offline）