Lightning Developer

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Bitrefill

WebsiteLinkedInAll Job Openings

11 - 50 employees

₿ Crypto

💸 Finance

💳 Fintech

💰 $7M Venture Round on 2021-04

Crypto • Finance • Fintech

Bitrefill is a company that aims to make living on cryptocurrency as simple as possible without the need for a bank or exchange account. They provide services such as bill payments, digital gift cards, mobile refills, and Lightning networking services for Bitcoin. Bitrefill serves customers in over 170 countries with a diverse team of more than 70 people. The company offers opportunities for remote work and values a culture of rule-breaking, productivity, and fun. Their recruitment process is transparent and secure, emphasizing safety against potential scams.

📋 Description

• Own and improve our Lightning Network and Bitcoin payment infrastructure, from everyday upgrades and fixes to larger improvements across the stack • Work hands-on with Lightning implementations (LND, CLN, or similar), payment channels, and liquidity management • Analyze how our Lightning payments flow, including forensic work after incidents, and build monitoring and policies on top • Strengthen the security of our crypto systems: key management, HSMs, and how we safeguard funds • Help us get crypto transaction accounting right, working with the finance team so our books reflect how Bitcoin actually moves • Evaluate and integrate new Bitcoin and Lightning tech as the space evolves • Get new payment protocols into production, from payjoin to nostr-based flows • Build the Lightning side of our agentic commerce work • Ship with product and design, and contribute to our internal libraries and open-source tooling

🎯 Requirements

• Several years building software professionally, with a track record of shipping real things • AI is part of how you build (Claude Code, Codex, Cursor, or similar). This is non-negotiable for us • Deep understanding of the Lightning Network protocol and Bitcoin fundamentals • Hands-on experience with at least one Lightning implementation (LND, CLN, Eclair, or LDK) • Strong with our backend stack, Node.js and TypeScript, and comfortable working in Python • Crypto-native. You use it, you follow where it's headed, and nobody needs to explain Bitcoin to you • Self-driven. You spot the opportunity and push it forward instead of waiting for a roadmap

🏖️ Benefits

• Get paid in crypto if you want • No bullshit meetings • Twice a year we meet up to build together in person