Senior Fullstack Developer / Founding Engineer (Node.js, React, AI)

REMOTE GLOBAL / EU | GEOS

Geos LLC, a US-based software company, is looking for an experienced engineer to join LeadBridge, an AI-powered SaaS platform for service businesses.

💡 About the Role: LeadBridge is already in production with paying customers. We're looking for a hands-on senior engineer who can take technical ownership, solve complex problems, improve AI reliability, and coordinate a small development team. This is an opportunity to help build and scale an existing product, with meaningful ownership in its future.

✅ Key Requirements: Experience: 7+ years in software development preferred. Backend: Strong TypeScript, Node.js, REST APIs, webhooks, asynchronous processing. Frontend: React, JavaScript/TypeScript. Database: PostgreSQL, SQL. Architecture: Production SaaS, complex integrations, scalability, and reliability. AI: Experience with LLM APIs, AI agents, and AI-assisted development tools (Claude Code, Codex, Cursor). DevOps: CI/CD, automated testing, cloud infrastructure. Leadership: Ability to make independent technical decisions, review code, and coordinate other developers.

🌟 Nice to Have: Voice AI, telephony, Twilio, RingCentral, or similar integrations. CRM integrations and multi-tenant SaaS. Experience in early-stage startups.

📍 Details: Location: Remote, Europe preferred. Engagement: Full-time, long-term. Compensation: Below-market salary + equity in LeadBridge (subject to vesting). Language: Conversational English. Start: ASAP. We're looking for someone who values long-term ownership and is comfortable combining hands-on engineering with technical leadership.

📩 How to Apply: Send your CV/LinkedIn profile, relevant experience, and a short introduction via DM.