Javascript Senior Software Engineer (AI Apps)

Tether Operations Limited; United Kingdom; Remote; GBP 60,000 - 80,000; Full time

Job summary

Join a leading company at Tether as a Senior Software Developer, where you will engage in cutting-edge projects developing desktop and mobile AI applications. This role involves creating backend systems and collaborating across teams to push the boundaries of digital finance solutions. If you have substantial experience in Nodejs and desktop app development, this is the opportunity to innovate in a rapidly evolving sector.

Qualifications

• 6+ years of experience with Nodejs/JavaScript.
• Experience in Desktop app development (Electron, Tauri, etc.).
• Familiar with React Native or similar technologies.

Responsibilities

• Develop and maintain backend services for AI-enhanced desktop applications.
• Collaborate with teams to shape API contracts.
• Ensure smooth AI performance on devices.

Skills

Nodejs

JavaScript

Desktop app development

React Native

Performance optimization

Quick learning

Security practices

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?

Our team is a global talent powerhouse, working remotely from every corner of the world. If you’re passionate about making a mark in the fintech space, this is your opportunity to collaborate with some of the brightest minds, pushing boundaries and setting new standards. We’ve grown fast, stayed lean, and secured our place as a leader in the industry.

If you have excellent English communication skills and are ready to contribute to the most innovative platform on the planet, Tether is the place for you.

Are you ready to be part of the future?

About the job:

As a Senior Software Developer, you will be a part of the team that building desktop and mobile AI apps on top of new and cutting edge Tether SDK.

Responsibilities:

• AI-Driven Desktop Integration
  You will develop and maintain backend services and APIs that power AI-enhanced desktop applications. These services support intelligent features like local inference, contextual awareness, and model interaction, tailored specifically for Electron-based or hybrid clients.

• Platform-Aware API Design
  Collaborating closely with desktop and React Native teams, you will shape API contracts that reflect platform constraints and performance considerations — ensuring native-like responsiveness and cross-platform consistency.

• Scalable Model Invocation & Resource Management
  You’ll contribute to backend services that handle concurrent model invocations, manage GPU/CPU workloads, and intelligently queue or throttle requests based on system constraints — ensuring smooth AI on-device performance.

• +6 years of experience working with Nodejs/JavaScript.

• Experience with Desktop app development (Electron, Tauri, other)

• Experience working with React Native or bridging backend systems into mobile/desktop hybrid stacks

• Experience optimizing performance and resource usage on desktop/mobile clients

• Have actively participated in the development of a complex platform

• Ability to quickly learn new technologies

• Good understanding of security practices

Nice to have

• Familiarity with secure inter-process communication

• Familiar with Peer-to-Peer technologies (Kademlia, bittorent, libp2p)

• C++/Swift/Kotlin skills are a plus

• Familiar with AI/Agentic domain applications (RAG, AI SDKs)

• Familiarity with real-time data delivery (NodeJS/other streaming)