Backend Engineer (Node.js)

About the Product: 
Our client is a global B2B SaaS company that provides a next-generation engagement and loyalty platform. The platform enables enterprises to boost user engagement, increase retention, and drive lifetime value through personalized experiences.

By combining behavioral science with real-time data, the solution allows companies to design missions, challenges, and rewards that inspire meaningful interaction and long-term loyalty. It’s a flexible, data-driven system used across various industries — from online entertainment and education to enterprise services — helping brands turn user activity into sustained growth.

About the Role: 
We are seeking a Backend Engineer (Node.js) to join a remote, product-focused engineering team responsible for developing and scaling the core backend services that power millions of daily interactions.

In this role, you’ll take full ownership of features — from design to deployment — and work closely with peers in a distributed, asynchronous environment. You’ll tackle both platform-wide features and bespoke integrations for enterprise customers, contributing directly to the evolution of a high-impact, global product.

Key Responsibilities: 

• Design, build, and maintain scalable backend systems and engaging user interfaces
• Manage data and messaging services while assuring performance and reliability
• Deploy, monitor, and optimize services in cloud environments
• Write clean, tested, and maintainable code that supports a high-scale, resilient platform
• Handle 40% support/customised work and 60% new feature development.

Required Competence and Skills:

• 4+ years of professional experience as a Full Stack or Backend Developer
• Strong knowledge of Node.js, Express, and JavaScript/TypeScript
• Proven experience with React or another modern frontend framework
• Hands-on experience with MongoDB, Redis or other similar databases, and distributed messaging systems (RabbitMQ, Kafka, BullMQ)
• Familiarity with cloud environments (AWS / GCP / Azure)
• Experience with the end-to-end development lifecycle.
• Sense of ownership, ability to work asynchronously across time zones.
• Excellent English communication skills, both verbal and written

Nice to have:

• Kubernetes knowledge
• CI/CD pipeline experience and automation skills
• Background with gamification, loyalty, or engagement platforms