Blockchain Integration Specialist (Fully Remote, Worldwide)

Bitfinex; Warszawa; Remote; PLN 180,000 - 240,000; Full time

Job summary

A leading cryptocurrency trading platform is seeking a Blockchain Integration Specialist to enhance their blockchain infrastructure remotely. This role involves developing Node/JS workers and maintaining blockchain daemon clusters, requiring expertise in blockchain interactions and a strong passion for cryptocurrencies. Collaborative culture with competitive pay and benefits included.

Benefits

Flexible Work

Competitive Pay

Learning Opportunities

Team-Building Activities

Social Activities

Qualifications

• Previous experience in interacting with Bitcoin and Ethereum nodes.
• Strong passion for decentralized finance and technology.
• Ability to work in a remote-friendly culture.

Responsibilities

• Build and maintain clusters of blockchain daemons.
• Develop Node/JS workers for blockchain node API interfaces.
• Implement monitoring tools for blockchain infrastructure stability.
• Create technical documentation for processes and policies.

Skills

Experience with blockchain nodes

Passion for Bitcoin and cryptocurrencies

Microservices architecture knowledge

Ability to learn new technologies

Understanding of security practices

Tools

Node.js

Solidity

Rust or Golang

Job description

Blockchain Integration Specialist (Fully Remote, Worldwide)

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?

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

Fast-Paced & Impactful

A Team that Thrives on Collaboration

Grow with the Best

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

Your Day-to-Day:

Build, improve and maintain clusters of blockchain daemons/consensus nodes in a scalable and highly redundant way

Develop Node/JS workers, in Bitfinex’s microservices infrastructure, that interface with blockchain nodes API (REST/Websocket) interfaces

Implement robust monitoring tools to control the stability of Bitfinex’s blockchain infrastructure

Create good quality policies, procedures and technical documentation

What You Bring to the Table:

Previous experience in interacting with blockchain nodes (ie. Bitcoin, Ethereum)

Strong passion for Bitcoin and other cryptocurrencies

Familiar with microservices architecture and REST APIs

Ability to quickly learn new technologies

Advanced understanding of security practices

Other Valuable Skills:

Solidity, Rust or Golang skills are a plus

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

What We Offer:

Flexible Work & Remote-Friendly Culture

Competitive Pay

Learning & Knowledge Sharing

Team-Building Activities

Social activities (online & in-person)

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!

Recruitment Data & Security Disclaimer

As part of the hiring process at Bitfinex, we collect personal data such as your name, contact details, location, job preferences, education and employment history, and other information you voluntarily provide. This data is used solely for recruitment purposes, processed in accordance with applicable global data protection laws, including the General Data Protection Regulation (GDPR) and the California Consumer Privacy Act (CCPA), and retained only for as long as necessary to fulfil its purpose.

All assessments and recruitment-related communications are conducted exclusively through official Bitfinex email addresses (e.g., [e-mail]). Bitfinex does not use unofficial channels (such as WhatsApp, Telegram, or SMS) for recruitment communication and does not distribute assessments or sensitive links via those means.

As part of our secure and compliant recruitment process, we may use approved third‑party platforms to facilitate candidate assessments. For more information, please refer to our Candidate Privacy Notice and Interview Recording Consent. All candidates have the right to access, correct, or delete their personal data and to withdraw consent at any time, where applicable.

Bitfinex will never request payments, financial information, or personal banking details at any stage of the recruitment process.

If you receive a suspicious request, wish to exercise your data privacy rights, or have further inquiries regarding the legal aspects of the process, contact [e-mail]. Please note this inbox is intended for privacy concerns and reports only; any other communications will not be processed .

Equal Opportunity Statement

At Bitfinex, we’re committed to equitable opportunities. We do not discriminate based on race, religion, gender, age, disability, sexual orientation, gender identity, or any other protected status. This commitment applies across all stages of recruitment and contractual relationships.