Senior Backend Developer WDK (100% Remote South Africa)

Tether Operations Limited; Johannesburg; Remote; ZAR 450,000 - 700,000; Full time

Job summary

Join Tether Operations Limited as a Wallet Development Kit Software Engineer and contribute to innovative blockchain solutions. This role focuses on designing self-custodial wallet applications while ensuring system security and performance. Ideal candidates should have experience in developing crypto wallets and a passion for fintech innovation.

Qualifications

• Experience in wallet creation or DeFi is beneficial.
• Strong communication skills in English required.

Responsibilities

• Develop groundbreaking projects using agile methods.
• Ensure backend responsiveness and real-time performance.
• Maintain high security standards for assets and data.

Skills

Agile methodologies

Security awareness

Modular architecture knowledge

Backend responsiveness

Quick learner

Experience with crypto wallets

Tools

Redis

Go

Rust

C++

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 empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reserve-backed tokens across blockchains. By harnessing blockchain technology, Tether enables you to store, send, and receive digital tokens instantly, securely, and globally, at a fraction of the cost. Transparency is fundamental to our trustworthiness.

Innovate with Tether

Tether Finance : Our product suite includes the trusted stablecoin USDT, used by hundreds of millions worldwide, and digital asset tokenization services.

Additionally : Tether Power : Focused on sustainable growth, optimizing excess power for eco-friendly Bitcoin mining in geo-diverse facilities.

Tether Data : Supporting AI and P2P tech, reducing infrastructure costs with solutions like KEET, our secure data sharing app.

Tether Education : Making digital learning accessible to empower individuals in the digital economy.

Tether Evolution : Merging technology and human potential to push innovation and expand possibilities.

Why Join Us?

Our global, remote team is passionate about fintech innovation. Join us to work with talented professionals, push boundaries, and set new industry standards. We value excellent English communication skills and a drive to contribute to cutting-edge platforms.

Are you ready to shape the future?

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. The role involves designing, implementing, and collaborating with teams to enhance the toolkit, with prior experience in wallet creation or DeFi being beneficial.

Responsibilities

Innovative Solutions: Develop groundbreaking projects using agile methods and new technologies.

Scalability : Ensure backend responsiveness and real-time performance as the platform grows.

Security : Maintain high security standards to protect assets and data.

Experience with crypto wallets for DeFi and blockchain applications.

Modular Architecture : Knowledge of scalable modular architectures.

Complex Platform Development : Experience in developing complex platforms and APIs.

Quick Learner : Adapt quickly to new technologies.

Security Awareness : Implement security best practices.

Nice to have

High-Availability Concepts : Experience with system reliability practices.

Additional Programming Skills : Knowledge of Go, Rust, or C++ is a plus.

Experience with message queues (Redis), caches, and job queues.