DontApply.Club
Login Register

Kotlin Backend Engineer

Morgan Mckinley — Japan · Posted ~2 hours ago

Skills

Kotlin Vert.x MariaDB Cassandra Backend development Web APIs Security Agile development Performance optimization OpenCensus ELK Stack

🔓 Log in to save this job, tailor your resume & track your apply process — 7 days free, no card needed.

Log in to add to target list

Summary ✨ AI‑Generated

A major global digital technology organization is seeking a Kotlin Backend Engineer to develop and scale core web APIs and secure backend services. The role offers exposure to high-concurrency infrastructure, security systems, performance optimization, and collaboration within multicultural agile engineering teams.

Highlights

Opportunity to work on high-concurrency, massive-scale backend infrastructure serving global users, alongside international engineering teams in a progressive agile environment.

Description

Japan's largest digital service ecosystem, reaching hundreds of millions of users globally across e-commerce, fintech, and digital media. Joining their central platform group offers developers a rare chance to work with high-concurrency, massive-scale backend infrastructure. Candidates will gain invaluable experience alongside elite international engineering talent, accelerating their careers within a progressive, global-minded Tokyo tech powerhouse. Key Responsibilities Develop, scale, and maintain core membership Web APIs supporting global platform services.Design and implement secure backend components using Vert.x, Kotlin, MariaDB, and Cassandra.Build essential security services, including user profile management, login alerts, and password verification.Collaborate closely with multicultural engineering teams in an agile development environment.Monitor, troubleshoot, and optimize system performance using OpenCensus and the ELK stack. Required Skills Proven professional development experience with Kotlin and Java focused on Web APIs.Strong experience building scalable APIs using asynchronous frameworks such as Vert.x.Hands-on proficiency with both relational (MariaDB) and NoSQL (Cassandra) database management systems. Language English, Japanese, or Chinese: At least one language at an Intermediate Level Benefit On-site employee food hall offering provided meals.Work comfortably in a modern, casual dress environment.Maintain a healthy balance through a flexible hybrid model.Receive monthly transportation allowance.Comprehensive health, labor, and employment insurance coverage.