Senior Backend Engineer

Responsibilities

• Design and build blazing-fast, secure APIs using NestJS and NodeJS
• Architect robust microservices that scale and perform under pressure
• Engineer real-time communication using WebSockets and WebRTC
• Optimize and tune PostgreSQL and Redis for lightning-fast access and reliability
• Lead Dockerized deployments and manage Kubernetes clusters
• Collaborate with frontend devs, DevOps, and product leaders to ship elite-quality code
• Build for zero-trust environments to ensure data privacy

Requirements

• 4+ years of backend experience building high-performance systems
• Expertise in Node.js and NestJS Framework
• Deep knowledge of PostgreSQL, Redis, Docker, and Kubernetes
• Strong command over microservices, RESTful APIs, and authentication protocols
• Prior experience with real-time systems such as WebSockets or WebRTC

Preferred Qualifications

• Experience with mediasoup

About the Company

WrkTalk is a zero-access, zero-spam enterprise communication product operating on a structural privacy architecture. The company is a fast-scaling product team building high-performance, secure communication tools for large enterprise clients.