Senior Backend Developer WDK (100% Remote Portugal) Lisboa

Senior Backend Developer WDK (100% Remote Portugal)
Lisboa
Lisboa, Lisboa, Portugal

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Senior Backend Developer - WDK (100% Remote - Portugal), Lisbon

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Client:

Tether Operations Limited

Location:

Lisbon, Portugal

Job Category:

Other

-

EU work permit required:

Yes

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Job Reference:

e6c0bf9b2287

Job Views:

5

Posted:

23. 06. 2025

Expiry Date:

07. 08. 2025

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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 seamless, secure, and instant digital transactions across the globe, leveraging blockchain technology. Transparency and trust are fundamental to our mission.

Innovate with Tether

Tether Finance: Home to the trusted USDT stablecoin and digital asset tokenization services.

Tether Power: Focused on sustainable energy solutions for Bitcoin mining.

Tether Data: Developing AI and P2P technology solutions like KEET for secure data sharing.

Tether Education: Providing digital learning opportunities for global growth.

Tether Evolution: Merging human potential with technological advancement.

Why Join Us?

Work remotely with a global team passionate about fintech innovation. Collaborate with talented professionals and contribute to a leading platform. Excellent English communication skills are essential. Join us to shape the future of digital finance.

About the job

The Wallet Development Kit (WDK) Software Engineer develops
- source tools for building
- custodial wallets on mobile and desktop platforms. Responsibilities include designing, implementing, and collaborating to enhance the toolkit. Experience with wallet creation or De
Fi is a plus.

Responsibilities

• Develop innovative projects using agile methodologies and advanced technologies.
• Ensure backend scalability and responsiveness to support growth.
• Maintain high security standards to protect assets and data.
• Experience with crypto wallets, De
  Fi, and blockchain integrations.
• Knowledge of modular architecture for scalable applications.
• Develop complex platforms and APIs.
• Adapt quickly to new technologies.
• Implement security best practices.

Nice to have

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