Senior Engineer - Payment & Wallet

Seoulstart; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Seoulstart in Singapore seeks an experienced backend engineer to architect and build scalable services using Rails 7, Go, Sidekiq, REST, AWS and Docker.

You will design high-volume APIs for frontends and external traders, drive architecture decisions, and maintain code quality in production systems.

Qualifications

• Bachelor's or Master's degree in Computer Science, Engineering, or related field.
• 5+ years of experience building scalable distributed systems with strong Ruby background.
• Strong understanding of REST APIs.

Responsibilities

• Architect and build scalable backend services.
• Design and build high-volume APIs for frontends and external traders.
• Drive architecture decisions and maintain long-term code quality in production systems.

Skills

Rails 7

Go

Sidekiq

REST

AWS

Docker

Education

Bachelor's or Master's degree in Computer Science, Engineering, or related field

Job description

Matched to Computer systems and software professionals

Sign in to see the pay range for this role

The full range and the breakdown by years of experience, from Ministry of Employment and Labor wage data. Free, no payment.

• Architect and build scalable backend services using Rails 7,Go,Sidekiq,REST,AWS,Docker.
• Design and build high-volume APIs for frontends and external traders.
• Drive architecture decisions and maintain long-term code quality in production systems.

What they want

• Bachelor's or Master's degree in Computer Science,Engineering,or related field.
• Understand best practices for building and working with REST APIs.
• 5+ years experience building scalable distributed systems with strong Ruby background.

Nice to have

• Experience with Go programming language for distributed systems.

Seoulstart's read

Work authorization Not stated, verify with recruiter

Language beyond English No language beyond English stated

Context Work visa sponsorship not mentioned; verify company can sponsor if you need Employment Pass.

This is Seoulstart's analysis of the public job description, not the employer's stated policy. Verify work-pass eligibility, language requirements, and remote allowances directly with the recruiter.