Javascript Senior Software Engineer (AI Apps)

Tether.io; Portugal; Presencial; EUR 40 000 - 70 000; Tempo integral

Resumo da oferta

Tether.io is seeking a Senior Software Developer to join their innovative team in Portugal. As part of this role, you will develop desktop and mobile AI applications, ensuring seamless integration and performance optimization. This is a unique opportunity to work at the forefront of digital finance and AI technology in a fast-growing company known for revolutionizing financial solutions.

Qualificações

• 6+ years of experience with Node.js/JavaScript.
• Experience in desktop (Electron, Tauri) and mobile (React Native) app development.
• Strong ability to learn new technologies quickly.

Responsabilidades

• Develop and maintain backend services and APIs for AI applications.
• Collaborate with teams to shape API contracts for native-like performance.
• Manage model invocations and resource optimization.

Conhecimentos

Node.js

JavaScript

Desktop app development

React Native

Performance optimization

Security practices

Descrição da oferta de emprego

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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)

Seniority level

• Seniority level

  Not Applicable

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  Technology, Information and Internet

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