Senior Node.js developer (experience with Integrations)

We’re seeking a Senior Node.js Developer with experience in external API integrations and REST APIs (especially AdTech and messaging APIs), which is essential for this role.

 

About the project:
An AI-driven platform designed to transform voice and text communications for business users, particularly in call center environments. It automates customer interactions, significantly reducing operational costs by up to 65% and increasing ROI by up to five times.
Project stage: Live product with active clients; currently scaling the integrations layer.
Location & Timezone: USA-based; working hours until 8–9 p.m. Kyiv time.

Project advantages:
— High-impact, autonomous role: own the entire integration layer
— AI-powered product solving real-world business needs (proven ROI)
— Modern stack: messaging, AdTech, CRM platforms
— Fast-paced US startup with long-term potential
— Strategic hire as part of the company’s scaling efforts


Responsibilities:
— Integrate messaging platforms (WhatsApp, Facebook Messenger, Telegram)
— Integrate AdTech platforms (Meta Ads, Google Ads, Microsoft Ads)
— Work with the existing Node.js API Gateway and MongoDB layer
— Build integrations with CRM and automation platforms (Salesforce, HubSpot, Zapier, etc.)


Requirements:
— 5+ years of experience with Node.js
— 2+ years with TypeScript
— Experience with MongoDB
— Strong experience with external API integrations and REST APIs (AdTech and messaging APIs)
— Upper-Intermediate or higher level of English

 

If you’re interested in this opportunity, please let me know, and I’ll send you more information. I look forward to hearing from you!