- Company Name
- Cloudoku AI
- Job Title
- Javascript Developer
- Job Description
-
Job Title: JavaScript Developer
Role Summary: Build and maintain high‑performance, event‑driven backend services using JavaScript and Node.js. Design scalable solutions that integrate real‑time communication protocols, message queues, and horizontal scaling techniques. Work collaboratively with cross‑functional teams to deliver reliable, maintainable code.
Expactations: 6+ month contract role. Availability for full‑time engagement and collaboration within distributed teams.
Key Responsibilities: • Architect and implement server‑side components in JavaScript/Node.js
• Develop and maintain event‑driven and reactive systems using WebSockets, WebRTC, SSE, and MQTT
• Integrate and manage message brokers (Kafka, RabbitMQ, NATS, Pulsar, Redis Streams)
• Deploy horizontally scalable services employing load balancing, clustering, and sharding strategies
• Optimize performance, monitor latency, and troubleshoot production incidents
• Write clean, testable code, conduct code reviews, and maintain documentation
Required Skills: • Advanced knowledge of JavaScript internals and modern ES features
• Proficiency with Node.js and core JavaScript libraries (e.g., Express, Koa, NestJS)
• Strong grasp of event‑driven and reactive programming patterns
• Experience with real‑time communication protocols: WebSockets, WebRTC, SSE, MQTT
• Hands‑on with message queue technologies: Kafka, RabbitMQ, Redis Streams, NATS, Pulsar
• Familiarity with horizontal scaling patterns: load balancing, clustering, sharding, CDN usage
• Solid understanding of RESTful APIs, microservices architecture, and containerization (Docker, Kubernetes)
• Ability to write unit, integration, and performance tests, and to use CI/CD pipelines
Required Education & Certifications: • Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent professional experience)
• Relevant certifications (e.g., JavaScript Specialist, Node.js Developer) are a plus.
New york city, United states
On site
13-01-2026