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Arduz Espada Juan Sebastian

@arduzespadajuansebas

Full-Stack Engineer at Leveraged Operations who shipped 107 production PRs and built outbound automation across lead pipelines and campaign systems.

Bolivia

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At Leveraged Operations, I worked alongside the technical founder as the in-house engineer and automation owner for a US B2B outbound agency. I merged 107 PRs into its production TypeScript monorepo and shipped 13 scheduled monitors with Slack and email alerts.

I also built lead pipelines from scraping through campaign drafts, fixed production incidents, and automated Microsoft 365 email infrastructure. At Chatter Champions, I shipped product features and hiring-funnel automation, including an AI interview simulator; before that, I built Java and Spring Boot management systems as a freelance developer.

Experience

Work history, roles, and key accomplishments

Full-Stack Engineer (TypeScript)

Leveraged Operations

Dec 2025 - Oct 2026 (10 months)

In-house engineer and automation owner for an outbound sales operation, working alongside the technical founder. Merged 107 PRs to a production monorepo, built automation layers, and provisioned cold-email infrastructure.

TypeScript Next.js React Prisma PostgreSQL Trigger.Dev ORPC GoHighLevel Instantly Microsoft 365 Cloudflare PowerShell Playwright Claude Code AI Engineering CI CD Incident Response

Full-Stack Engineer (Node.js)

Chatter Champions

May 2026 - Aug 2026 (3 months)

Built hiring funnel and training portal for a remote chat-support workforce. Merged 83 PRs, fixed interview no-show incidents, and developed AI interview simulator and admin tooling.

NodeJS Express PostgreSQL Supabase Google Sheets Airtable GoHighLevel Trigger.Dev XAI Grok Resend Telegram Dokploy AI CI CD

Freelance Software Developer (Java / Spring Boot)

Self Employed

Nov 2024 - Nov 2025 (1 year)

Developed desktop applications for car dealership and private clinic management using JavaFX, Spring Boot, and MySQL. Also created a Python/SQLite point-of-sale system.

Java Spring Boot Java FX MySQL Python SQLite