Senior Backend Developer - Node.js (100% Remote)

Tether Operations Limited; A distancia; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A pioneering financial technology company in Barcelona is seeking a Senior Backend Developer to enhance and maintain its backend services. The role involves improving NodeJS backend systems, implementing new solutions, and ensuring the highest security standards in service development. The ideal candidate will have exceptional Node/JavaScript skills, familiarity with microservices, and experience with databases like MySQL and MongoDB. Join a global team and be part of shaping the future of digital finance.

Formación

• Exceptional Node/JavaScript skills required.
• Familiarity with microservices architecture is necessary.
• Good experience in database interactions (MySQL, MongoDB).

Responsabilidades

• Work closely with teams to translate requirements into architecture.
• Improve existing core backend services in NodeJS.
• Implement solutions interacting with core services via RPC calls.

Conocimientos

Node/JavaScript skills

Microservices architecture

Database interaction

Quick learner of new technologies

Understanding of security practices

Herramientas

MySQL

MongoDB

Descripción del empleo

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 Backend Developer, you will be a part of the team that works on the development and maintenance of the backend components of multiple services related to the platform. This includes:

• New Products and Features - Tether continuously strives to create innovative new features in order to provide the most professional experience for customers. These are developed and deployed using agile methodologies, to ensure the user experience remains the best in the industry.

• Scalability - all backend services that power Tether platform must remain effortlessly smooth, responsive, and real‑time for customers as the platform continues to scale to accommodate new user growth.

• Security - Tether makes Security its most important feature. The Backend Development team is responsible for building all the API services and backend processes with the highest security principles and standard, in order to protect the safety of the entire user base.

Responsibilities

• Work closely with developers, product managers, designers, and other stakeholders to translate requirements into clear, practical architectures.

• Improve existing core backend services written in NodeJS

• Implement new solutions that interact with different core services through RPC calls

• Write complex database queries for compliance and financial purposes

Job Requirements

We expect to candidates to fulfill the following requirements:

• Exceptional Node/JavaScript skills

• Familiar with microservices architecture

• Have actively participated in the development of a complex platform

• Good experience in interacting with databases (MySQL, MongoDB)

• Ability to quickly learn new technologies

• Good understanding of security practices

Other valuable non mandatory skills:

• Experience with blockchain integration

• Comfortable with high‑availability concepts

• Ruby and Rails experience

• Other technologies of interest: Message queues (Redis), Caches and Job Queues

Important information for candidates

Recruitment scams have become increasingly common. To protect yourself, please keep the following in mind when applying for roles:

• Apply only through our official channels.We do not use third‑party platforms or agencies for recruitment unless clearly stated. All open roles are listed on our official careers page:https://tether.recruitee.com/

• Verify the recruiter’s identity.All our recruiters have verified LinkedIn profiles. If you’re unsure, you can confirm their identity by checking their profile or contacting us through our website.

• Be cautious of unusual communication methods.We do not conduct interviews over WhatsApp, Telegram, or SMS. All communication is done through official company emails and platforms.

• Double-check email addresses.All communication from us will come from emails ending [e-mail] [e-mail]

• We will never request payment or financial details.If someone asks for personal financial information or payment at any point during the hiring process, it is a scam. Please report it immediately.

When in doubt, feel free to reach out through our official website.