Senior Engineer - Payment & Wallet
CoinHako • singapore, singapore • Posted June 13, 2026
About the Role
We are looking for a
Senior Engineer
to join our
Payments & Wallet
team
( also known as PAW
)
— the core group handling
asset management, compliance , and
On-chain Services & Integrations (Superwallet)
at Coinhako.
In this role, you will be responsible for designing, developing, and maintaining high-performance services that power our payments and wallet infrastructure. You'll collaborate with cross-functional teams to ensure seamless integration across systems, optimize transaction workflows, and enhance platform reliability and scalability.
What you'll be doing:
Architect and build scalable backend services. Our tech stack is Rails 7, Go, Sidekiq, REST, AWS, Docker; Design and build high-volume APIs used by our frontends and external traders; Take initiative to ensure the long-term quality of the code and drive decisions related to the architecture of production systems; Manage and maintain custody solutions for digital assets. Ensure the highes...
Senior Engineer
to join our
Payments & Wallet
team
( also known as PAW
)
— the core group handling
asset management, compliance , and
On-chain Services & Integrations (Superwallet)
at Coinhako.
In this role, you will be responsible for designing, developing, and maintaining high-performance services that power our payments and wallet infrastructure. You'll collaborate with cross-functional teams to ensure seamless integration across systems, optimize transaction workflows, and enhance platform reliability and scalability.
What you'll be doing:
Architect and build scalable backend services. Our tech stack is Rails 7, Go, Sidekiq, REST, AWS, Docker; Design and build high-volume APIs used by our frontends and external traders; Take initiative to ensure the long-term quality of the code and drive decisions related to the architecture of production systems; Manage and maintain custody solutions for digital assets. Ensure the highes...