Backend Engineer

Design large scale systems with high complexity to support our high throughput applications. Understand how to leverage infrastructure for solving such large scale problems. Develop tools and contribute to open source wherever possible. Adopt problem solving as a way of life - always go to root cause! Support the code you write in production. Tech Stack We select the best combination of tech at times. | Java, Kotlin, Scala | Spring Boot, JUnit, Reselience4j, Feign | MySQL/AuoraDB, DynamoDB, ELK, Kafka, Redis, TiDB | Docker, Kubernetes, ArgoCD, AWS, GCP | GitHub, IntelliJ, Gradle, Maven, npm/yarn, Flyway, Jenkins, snyk, | Bigquery, Kibana, Spark | PlantUML, draw.io, miro.com | Slack, Zoom Qualifications 3+ years of Experience in using Java under professional environment, or if you are non-Java user, excellent skills in generalized programming languages, such as Scala, Python and Go. Interest and ability to learn other coding languages as needed. Experience with NoSQL databases and distributed cache. Strong fundamentals in data structures, algorithms and object oriented programming. In-depth understanding of concurrency and distributed computing. Degree in Computer Engineering or Computer Science or 5+ years equivalent experience in SaaS platform development. Business of English or Japanese Preferred Qualifications Experience with implementing platform components such as RESTful APIs, Pub/Sub Systems, Database Clients. Experience with AWS services. Experience in working for system development in finance, payment, or similar industries Experience in system design, development of web system which handles massive amount of transactions or requires scalability Language ability in Japanese and English is a plus (We have a professional translator but it is nice to have language skills) Experience in microservices