Senior Backend Architect — Scale-to-Million User Systems

Seoulstart; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Seoulstart in Singapore is seeking a senior backend engineer to build performance-critical systems used by millions daily. You will shape the technical vision, drive platform-wide projects, and set architectural standards.

Candidates should have 12+ years of production backend experience in Scala or Java, plus strong SQL database experience (SQL Server, Oracle, MySQL) and expertise with NoSQL and messaging systems such as Kafka or RabbitMQ.

Qualifications

• 12+ years building production backend systems in Scala or Java.
• Experience with relational databases such as SQL Server, Oracle or MySQL.
• Experience with NoSQL and messaging systems like Kafka or RabbitMQ.

Responsibilities

• Build performance-critical backend systems serving millions of users daily
• Set technical vision and direct company-wide platform projects
• Make architectural decisions and set standards for the team

Skills

Backend development

Scala/Java

Tools

SQL databases (SQL Server, Oracle, MySQL)

NoSQL & messaging (Kafka, RabbitMQ)

Job description

Seoulstart in Singapore is seeking a senior backend engineer to build performance-critical systems used by millions daily. You will shape the technical vision, drive platform-wide projects, and set architectural standards.

Candidates should have 12+ years of production backend experience in Scala or Java, plus strong SQL database experience (SQL Server, Oracle, MySQL) and expertise with NoSQL and messaging systems such as Kafka or RabbitMQ.