EngineeringOn-site

Senior Engineer - Payment & Wallet

Coinhako · On-site

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Last seen by MeritLog September 12, 2026Source: AshbySource version: ashby-public-job-posting-v1

MeritLog read this listing from Coinhako's Ashby job board and last checked it on September 12, 2026.

Source: the employer's Ashby job board. Open the original listing for current details.

Job details

Work model: On-site
Salary: Not listed by source
Location: Singapore
Company website: www.coinhako.com

Hiring context

How this role compares at Coinhako

Coinhako has 9 live roles in MeritLog’s catalog across 3 job families, and 4 of them are in engineering. 0 of those listings publish a pay range, a disclosure rate of 0%.

Coinhako concentrates this hiring in:

Counted across the job boards MeritLog tracks, at the time this page was served. Pay comparisons use only listings that publish a complete range in the same currency and period.

What the role asks for

What you'd do

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 highest level of security and compliance in handling and storing digital assets, including cryptocurrencies, tokens, and digital records;
Collaborate with other engineers, product managers and designers during various product development stages;
Improve engineering standards, tooling, and processes.
Bachelor’s or Master’s degree in Computer Science, Engineering, or related field;
Understand good practices of building and working with APIs;
Have 5+ years of building scalable distributed systems with a strong background in Ruby, Go is a plus;
Comfortable with ambiguity and scoping solutions with your teammates;
You’re organized, proactive and can be your own manager;
Knowledge of cryptography and security principles in blockchain as well as compliance and regulatory frameworks for cryptocurrency.
Friendly and fun start-up work culture
Convenient work location located in the heart of CBD area
Generous annual leaves on top of national holidays
Medical coverage including GP, Specialist, TCM, and more
Self-care benefits and exciting fitness workshops/webinars
Vibrant office with a well-stocked pantry

Parsed by MeritLog from the employer’s own posting. The full description follows below.

Job description

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 highest level of security and compliance in handling and storing digital assets, including cryptocurrencies, tokens, and digital records; - Collaborate with other engineers, product managers and designers during various product development stages; - Improve engineering standards, tooling, and processes. What we're looking for: - Bachelor’s or Master’s degree in Computer Science, Engineering, or related field; - Understand good practices of building and working with APIs; - Have 5+ years of building scalable distributed systems with a strong background in Ruby, Go is a plus; - Comfortable with ambiguity and scoping solutions with your teammates; - You’re organized, proactive and can be your own manager; - Knowledge of cryptography and security principles in blockchain as well as compliance and regulatory frameworks for cryptocurrency. What’s in it for you: - Friendly and fun start-up work culture - Convenient work location located in the heart of CBD area - Generous annual leaves on top of national holidays - Medical coverage including GP, Specialist, TCM, and more - Self-care benefits and exciting fitness workshops/webinars - Vibrant office with a well-stocked pantry Find out more about Coinhako @https://www.coinhako.com/ and don't forget to visit our Careers Page @https://www.coinhako.com/join-us! By submitting your application to us, you consent to the collection, use, disclosure and processing of your personal data in accordance with our privacy policy, which is accessible at https://www.coinhako.com/legal/sg-1/privacy_policy.

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