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Senior Engineer - Payment & Wallet

Coinhako

SingaporeFull-timeOn-site

Posted 25 May 2026

About this role

Design, develop, and maintain high-performance backend services for payments and wallet infrastructure. Manage digital asset custody solutions while ensuring security, compliance, and scalability of production systems. Requires a degree in Computer Science or Engineering with over 5 years of experience building scalable distributed systems, specifically using Ruby. Candidates should possess knowledge of cryptography, blockchain security, and regulatory frameworks for cryptocurrency.

What they're looking for

RubyGoRails 7SidekiqREST APIAWSDockerDistributed Systems

Frequently asked questions

What does a Senior Engineer - Payment & Wallet at Coinhako do?

Design, develop, and maintain high-performance backend services for payments and wallet infrastructure. Manage digital asset custody solutions while ensuring security, compliance, and scalability of production systems. Requires a degree in Computer Science or Engineering with over 5 years of experie…

What skills does this Senior Engineer - Payment & Wallet role need?

Key skills for this role include Ruby, Go, Rails 7, Sidekiq, REST API, AWS.

How much does a Senior Engineer - Payment & Wallet at Coinhako pay?

The employer did not list a salary for this role. Most similar Singapore roles publish their band on the job page.

Is this Senior Engineer - Payment & Wallet role remote, hybrid, or on-site?

This role is on-site, based in Singapore.

How do I apply for this Senior Engineer - Payment & Wallet role?

You can apply directly on Coinhako's careers page. ApplyLah can tailor your résumé and cover letter to this exact role in seconds first.