Senior Backend Developer - Node (Fully Remote, Worldwide)

Bitfinex; Toronto; Remote; CAD 80,000 - 120,000; Full time

Job summary

Join Bitfinex as a Senior Backend Developer, where you'll shape the future of decentralized finance. You'll be responsible for developing backend components, ensuring scalability, and implementing security for our innovative trading platform. Enjoy a remote-friendly culture, mentorship opportunities, and the chance to work with pioneering technology in an empowering and collaborative environment.

Benefits

Flexible Work & Remote-Friendly Culture

Mentorship & Growth

Competitive Pay

Career Development Opportunities

Supportive Team Environment

Learning & Knowledge Sharing

Team-Building Activities

Social activities (online & in-person)

Qualifications

• Proven experience in backend development with a strong portfolio.
• Exceptional Node/JavaScript skills.
• Good experience with databases (MySQL, MongoDB).

Responsibilities

• Develop backend components for Bitfinex services.
• Ensure scalability of all backend services.
• Implement security features for API services.

Skills

Node

JavaScript

Microservices architecture

Security practices

Databases

Job description

The Original Bitcoin Exchange

Inspired by Bitcoin's vision of financial freedom, we are committed to empowering individuals to transact and connect seamlessly across the globe. From the early days of the Bitcoin revolution, our mission has been to champion freedom through innovative, reliable, and accessible technology—ensuring that everyone, everywhere, has the tools to participate in a truly open and borderless world.

We are driven by a relentless pursuit of innovation and financial empowerment. By prioritizing education and delivering a cutting-edge platform, we enable users to seamlessly buy, hold, and trade digital assets with confidence. As the digital asset landscape rapidly evolves, we stay ahead—offering state-of-the-art trading services that empower both individuals and global liquidity providers. Our forward-thinking, agile approach ensures that financial freedom is not just a vision, but a reality for all.

Our team, composed of visionary individuals with practical expertise, focuses on crafting solutions to the market's toughest challenges. Despite our global presence and impact, we maintain a small, technology-focused core, fostering a culture of collaboration and innovation.

We value integrity and autonomy, empowering our team to contribute from concept to launch. Driven by a passion for lifelong learning and a commitment to advancing freedom, we prioritize high-caliber products and services, with a proven track record of innovation that draws on the dexterity of our teams.

Why Join Us?

Innovation

At Bitfinex, we merge technology and skill to create an environment where your involvement isn’t just appreciated—it’s pioneering the future and pushing boundaries in finance. Our culture values bold creativity, a passion for technology, and a deep belief in Financial Freedom.

Flexibility & Global Reach

We believe in trust, autonomy, and results—our team operates remotely, ensuring you work from anywhere while collaborating with some of the best talents across the world. We thrive on innovation, autonomy, and breaking new ground.

Fast-Paced & Impactful

Much like the crypto industry itself, our projects move fast, break new ground, and make an impact. Your contributions reach our global audience, shaping the narrative of a decentralized future.

A Team that Thrives on Collaboration

We blend seasoned experts with fresh creative minds, ensuring constant innovation, mentorship, and a dynamic work environment that keeps you at the forefront of achieving your goals. We see integrity and standing up for what is right as the most important qualities.

Grow with the Best

At Bitfinex, we’re committed to continuous learning—whether through technological advancements, creative workshops, or mentorship from leading professionals in the industry.

If you’re excited about partaking in shaping the narrative of decentralized finance, you’ll feel right at home

We’re looking for: Senior Backend Developer

The Role:

As a senior Backend Developer, you will be a part of the team that works on the development of the backend components of all Bitfinex Services (main trading application, Lightning Network support, Blockchain integrations, ….). This includes:

• New Products and Features - Bitfinex continuously strives to create innovative new features in order to provide the most professional trading 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 Bitfinex platform must remain effortlessly smooth, responsive, and real-time for customers as the platform continues to scale to accommodate new user growth. A good example are the renown Bitfinex API, the most solid, low-latency and complete in our industry.

• Security - Bitfinex 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.

What You Bring to the Table:

• Proven experience in backend development with a strong portfolio of relevant work

• Exceptional Node/JavaScript skills

• Familiar with microservices architecture

• Experience developing complex platforms

• Good experience with databases (MySQL, MongoDB)

• Ability to quickly learn new technologies

• Good understanding of security practices

Other Valuable Skills:

• Experience with blockchain integration

• Knowledge of high-availability systems

• Skills in Ruby, Rust, or C++ are a plus

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

What We Offer:

• Flexible Work & Remote-Friendly Culture

• Mentorship & Growth

• Competitive Pay

• Career Development Opportunities

• Supportive Team Environment

• Learning & Knowledge Sharing

• Team-Building Activities

• Social activities (online & in-person)

• A collaborative environment where your creativity will have a direct impact on the brand’s narrative

Ready to join us in bringing Financial Freedom to all?

If you’re a visionary who thrives at the intersection of technology, knowledge and innovation, we want to hear from you!

Important Disclaimer:

All tasks, assessments, or tests related to the hiring process at Bitfinex will only be shared directly with candidates as they progress through the relevant stages. These will only come from an official Bitfinex email address in the format: [e-mail].

If you receive an email or any notification requesting that you click on any links or complete hiring-related tasks, please verify that it is coming from the correct and authorised source before proceeding.

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Equal Opportunity Statement:

Bitfinex is committed to providing equal opportunities to all personnel and applicants. We firmly condemn and prohibit any form of direct or indirect discrimination or harassment based on race, color, religion, age, sex, national origin, disability status, genetics, sexual orientation, gender identity or expression, or any other legally protected characteristic.

This commitment applies at every stage of the employment relationship, including recruiting, hiring, placement, promotion, terminations, transfers, and leaves of absence.