Senior Engineer, Payment & Wallet at Coinhako · Web3Vacancy
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Senior Engineer, Payment & Wallet
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About this role

Join Coinhako as a Senior Engineer in the Payments & Wallet team, focusing on asset management and on-chain services. Design and maintain high-performance services for payments and wallet infrastructure.

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.
Responsibilities
## What you'll be doing: - Architect and build scalable backend services. - 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. - Collaborate with other engineers, product managers and designers during various product development stages. - Improve engineering standards, tooling, and processes.
Requirements
## 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.
Conditions & Benefits
## 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.
Job Details
LocationOffice
AI Score★★★★★★☆☆☆☆ 6/10
PostedMay 25, 2026 (11d ago)
Tags & Skills
cryptodevfintechweb3Otheroffice
Tech Stack
Rails 7GoSidekiqRESTAWSDocker
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