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Bitrefill

Lightning Developer

Bitrefill

Lightning Developer working on Bitcoin payment infrastructure for Bitrefill. Collaborating with a global team in a fully remote setting.

Posted 7/24/2026full-timeRemote • 🌎 Anywhere in the WorldMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Lightning Network protocol and Bitcoin fundamentals, with hands-on experience in Lightning implementations and backend development using Node.js and TypeScript. Capable of enhancing crypto payment infrastructure while ensuring security and effective transaction accounting.

Highest-signal resume keywords
Lightning Network ProtocolNode.js DevelopmentTypeScript DevelopmentBitcoin FundamentalsAI Integration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Lightning ImplementationPayment ChannelsLiquidity ManagementCrypto Transaction AccountingKey ManagementHSMsBackend DevelopmentPython ProgrammingForensic AnalysisMonitoring Policies
Soft Skills
Self-DrivenProactive Problem Solving
Tools & Technologies
LNDCLNEclairLDKClaude CodeCodexCursor
Industry Keywords
CryptoBitcoinPayment InfrastructureAgentic CommerceOpen-Source Tooling

Tech Stack

Tools & technologies
JavaScriptNode.jsPythonTypeScript

About the role

Key responsibilities & impact
  • 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

What you’ll need
  • 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

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