Node.js Developer

IvorySoft is a people-first software engineering and IT consulting company. We provide complex technological solutions for startups and businesses from the USA, UK, Nordic countries, and Canada.

To meet our ambitious goals, we are looking for a Senior Node.js Developer to join our growing team that helps to build clean and innovative software products.

🎯 ABOUT THE PROJECT:

Our customer is a US-based dance academy building the backend infrastructure from scratch for their brand-new mobile application. The project focuses on creating a highly scalable, secure, and high-performance server-side environment. Key challenges include robust AWS cost optimization, smart database design, and building a backend that powers complex scheduling, gamification engine, and seamless real-time communication features.

RESPONSIBILITIES:

💻 Design and build a scalable backend from scratch using Node.js and TypeScript.

💻 Architect a highly efficient database structure to ensure maximum scaling with lower AWS bills.

💻 Implement backend logic for real-time data delivery, chat features, and live updates.

💻 Create an engine for gamification (calculating point systems, triggering leaderboards, and processing events).

💻 Build reliable services for geolocation tracking and timestamp-based triggers.

💻 Develop automation for autodrip scheduling features and connect external CRM platforms via API.

💻 Use modern AI tools (like Claude Code) to ensure maximum development speed and efficiency.

💻 Track working hours with software, provide daily progress updates, and maintain active communication.

REQUIREMENTS:

⚙️ 4+ years of experience in backend development with deep expertise in Node.js and ecosystem.

⚙️ Strong background in greenfield development, smart database design, and system architecture.

⚙️ Production experience working with real-time data (WebSockets, Socket.io, or AWS AppSync/IoT Core).

⚙️ Deep understanding of AWS services and cost optimization (knowing what drives AWS bills and how to build efficiently).

⚙️ Proven experience developing backend services for in-app chats and messaging solutions.

⚙️ Familiarity with handling geolocation, geospatial queries, and timestamp logic.

⚙️ Strong experience in API design, webhooks, and third-party CRM integrations.

⚙️ Commitment to rigorous internal QA and writing clean, scalable, maintainable code.

⚙️ Outstanding communication skills and readiness for daily tracking and updates.