About US: We are a company that provides innovative, transformative IT services and solutions. We are passionate about helping our clients achieve their goals and exceed their expectations. We strive to provide the best possible experience for our clients and employees. We are committed to continuous improvement and innovation, and we are always looking for ways to improve our services and solutions. We believe in working collaboratively with our clients and employees to achieve success.

DS Technologies Inc is looking for JavaScript Engineer role for one of our premier clients.

Job Title: JavaScript Engineer

Location: FL, NY, or AZ (Onsite) Position Type: Contract Only W2

Job Description:

We are looking for a JavaScript Engineer with advanced knowledge of JavaScript internals and modern backend/event-driven architectures.

Required Skills & Expertise:

Advanced knowledge of JavaScript internals

Strong experience with Node.js or core JavaScript libraries

Experience with event-driven and reactive patterns

Hands-on experience with real-time communication technologies:

WebSockets

WebRTC

SSE

MQTT

Experience with message queue and streaming platforms:

Kafka

RabbitMQ

Redis Streams

NATS

Pulsar

Strong understanding of horizontal scaling patterns, including:

Load balancers

Clustering

Sharding