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Senior Engineer - Payment & Wallet

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 & Integr

Job Full source details
Coinhako Singapore Source published Sep 20, 2026 Verified 6 hours ago
✓ 100% verification score · Source: Coinhako (ashby) · Always confirm final requirements on the original source.
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EmploymentFull-time

Overview

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 & Integr

Full 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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