Senior Blockchain Developer (100% Remote - United Kingdom)

Bitfinex; London; Remote; GBP 70,000 - 110,000; Full time

Job summary

A leading fintech company is seeking a Senior Blockchain Developer to join their remote team in the UK. This role focuses on contributing to an open-source toolkit for self-custodial wallet applications, requiring expertise in blockchain technology and security best practices. Join a dynamic environment where you can innovate and make a significant impact in the digital finance landscape.

Qualifications

• Experience with wallet creation or DeFi is beneficial.
• Required experience includes building or integrating crypto wallets for DeFi and blockchain.
• Familiarity with message queues (Redis), caches, job queues.

Responsibilities

• Contribute to innovative projects using agile methodologies.
• Ensure backend scalability and responsiveness for growing user bases.
• Maintain high security standards to protect assets and data.

Skills

Building or integrating crypto wallets

Security best practices

Agile methodologies

Quick learning

Tools

Go

Rust

C++

React Native

Flutter

Job description

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Senior Blockchain Developer (100% Remote - United Kingdom), London

Location:

London, European Union

Job Category:

-

Job Reference:

dmmnn3wh

Job Views:

2

Posted:

20.05.2025

Expiry Date:

04.07.2025

Job Description:

Join Tether and Shape the Future of Digital Finance

At Tether, we’re not just building products, we’re pioneering a global financial revolution. Our solutions enable businesses to seamlessly integrate reserve-backed tokens across blockchains, harnessing blockchain technology for instant, secure, and global digital token transactions at low cost. Transparency is fundamental to building trust in every transaction.

Our Offerings:

• Tether Finance: Trusted stablecoin USDT and digital asset tokenization services.
• Tether Power: Eco-friendly Bitcoin mining solutions using excess energy.
• Tether Data: AI and P2P technology solutions like KEET for secure data sharing.
• Tether Education: Digital learning initiatives for global growth.
• Tether Evolution: Innovating at the intersection of technology and human potential.

Why Join Us?

Our remote, global team offers an opportunity to work with top minds in fintech, making a significant impact in the industry. We value excellent English communication skills and a passion for innovation.

About the Job:

The Wallet Development Kit (WDK) Software Engineer will contribute to Tether's open-source toolkit for building self-custodial wallet applications across mobile and desktop platforms. Experience with wallet creation or DeFi is beneficial.

Responsibilities:

• Contribute to innovative projects using agile methodologies and new technologies.
• Ensure backend scalability and responsiveness for growing user bases.
• Maintain high security standards to protect assets and data.

Required experience includes building or integrating crypto wallets for DeFi and blockchain, modular architecture, complex platform development, quick learning, and security best practices.

Nice to Have:

• Experience with high-availability systems.
• Knowledge of Go, Rust, or C++.
• Familiarity with message queues (Redis), caches, job queues.
• Mobile development experience with React Native, Flutter, or native platforms.