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openclaw code expert
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Experiencia laboral
Fiverr
Freelance • 1 mo
Full-Stack Developer (Auth & Payments)
May 2026 - Present • 0 mos
Developed secure full-stack systems focused on authentication, user management, and payment integration for web applications. Implemented OAuth2 and JWT-based authentication with social logins (Google), improving user onboarding and reducing friction. Built secure backend systems using Firebase Authentication and Supabase. Integrated Stripe for subscription billing and one-time payments, including webhook handling and checkout optimization. Ensured API security using token validation, encryption practices, and middleware protection. Collaborated with clients to deliver scalable, production-ready systems aligned with business goals. Skills
openclaw expert
Apr 2026 - Present • 1 mo
OpenClaw AI Assistant Linux Server Deployment & DevOps Troubleshooting Deployed and configured OpenClaw, an open-source autonomous AI assistant, on a Ubuntu Linux server for a client requiring a 24/7 always-on AI agent integrated with WhatsApp Business. The project involved full Linux server administration, systemd service management, and production environment setup from scratch. Upon initial deployment, the OpenClaw Gateway the core control plane responsible for keeping the AI assistant running as a persistent background service entered a continuous restart loop. Using journalctl system logs and real-time process monitoring (ps aux, pkill), I diagnosed the root cause as stale PID files and socket conflicts preventing clean service startup, a common issue in daemon process management on Linux. The fix involved a complete systemd unit file rewrite, implementing a proper ExecStartPre cleanup script to automatically remove stale /tmp/openclaw/*.pid and *.sock files before each startup cycle. Applied best practices in service hardening, including Restart=always, RestartSec=10, and journal-based logging (StandardOutput=journal). After executing systemctl daemon-reload, re-enabling and restarting the service, the OpenClaw Gateway achieved stable active (running) status confirmed via systemctl status with 140MB memory footprint and clean process tree. Key skills demonstrated: Linux server admin · Ubuntu 24 · systemd · DevOps · AI agent deployment · OpenClaw · WhatsApp API integration · shell scripting · daemon troubleshooting · PID/socket conflict resolution · server automation · background service management · process monitoring · cloud server configuration · open-source AI deployment · 24/7 uptime optimization