Senior Node.js Software Engineer - Holepunch (100% Remote, Worldwide)

Tether Operations Limited; Barcelona; Remote; EUR 45,000 - 80,000; Full time

Job summary

Tether Operations Limited is seeking a Node.js Software Engineer to join a remote, globally distributed team. You will develop and maintain the P2P stack and help expand our ecosystem of modular code and npm modules.

The role emphasizes robust testing, high-quality code, and strong collaboration across time zones. You will work with native Node.js extensions considerations and contribute to OSS-like projects, while ensuring scalable, secure distributed systems.

Qualifications

• Proven experience in Node.js development with production-scale applications.
• Strong competency in writing modular, maintainable code.
• Experience creating and managing reusable npm modules.
• Solid skillset in testing & debugging.
• Deep interest or experience with P2P technologies or distributed systems.
• Comfort working in a remote, globally distributed team; good communication skills.

Responsibilities

• Develop and maintain our P2P stack and expand our ecosystem.
• Contribute to a modular, scalable codebase used across 1500+ public npm modules.
• Collaborate with a global team to deliver robust software solutions.

Skills

Node.js

Modular code

NPM modules

Testing & debugging

P2P technologies

Remote collaboration

Tools

npm

OSS contributions

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 cutting-edge solutions empower businesses - from exchanges and wallets to payment processors and ATMs - to seamlessly integrate reserve-backed tokens across blockchains.

By harnessing the power of blockchain technology, Tether enables you to store, send, and receive digital tokens instantly, securely, and globally, all at a fraction of the cost.

Transparency is the bedrock of everything we do, ensuring trust in every transaction.

Innovate with Tether

Tether Finance: Our innovative product suite features the world s most trusted stablecoin, USDT, relied upon by hundreds of millions worldwide, alongside pioneering digital asset tokenization services.

But that s just the beginning: Tether Power: Driving sustainable growth, our energy solutions optimize excess power for Bitcoin mining using eco-friendly practices in state-of-the-art, geo-diverse facilities.

Tether Data: Fueling breakthroughs in AI and peer-to-peer technology, we reduce infrastructure costs and enhance global communications with cutting-edge solutions like KEET, our flagship app that redefines secure and private data sharing.

Tether Education: Democratizing access to top-tier digital learning, we empower individuals to thrive in the digital and gig economies, driving global growth and opportunity.

Tether Evolution: At the intersection of technology and human potential, we are pushing the boundaries of what is possible, crafting a future where innovation and human capabilities merge in powerful, unprecedented ways.

Why Join Us?

We are seeking a talented and motivated Node.js Software Engineer to join our dynamic team. In this role, you will be responsible for developing and maintaining our P2P stack and expanding our ecosystem, which includes over 1500 public npm modules and robust, modular codebase.

• Proven experience in Node.js development with production-scale applications.
• Strong competency in writing modular, maintainable code.
• Experience creating and managing reusable npm modules.
• Solid skillset in testing & debugging.
• Deep interest or experience with P2P technologies or distributed systems.
• Comfort working in a remote, globally distributed team; good communication skills.

Preferred Qualifications

• Experience with native Node.js extensions (C/C++), or binding JS to lower-level code.
• Demonstrated ability to optimize network protocols or systems: latency, throughput, etc.
• Familiarity with advanced networking concepts.
• Past contributions to OSS projects, especially in P2P or decentralized tech.