About GxP Technologies India

We are a deep tech technology firm specializing in AI-driven solutions across healthcare, industrial manufacturing (including semiconductors), and automotive sectors—offering a complete AI stack from edge devices to cloud-based software. As part of Growth xPartners, a Japanese company listed on the Tokyo Stock Exchange, we operate from Trivandrum and boast a diverse, global team rooted in a values-driven performance culture. Our cross-functional team drives innovation in an early-stage, fast-growing workplace with a clear long-term vision to become the industry leader in every domain we serve.

Job Summary

We are looking for a skilled Node.js Backend Developer with experience in building scalable, real-time backend applications and integrating communication platforms. The ideal candidate will have strong expertise in Node.js, TypeScript, REST APIs, asynchronous processing, and real-time communication technologies.

You will be responsible for developing and maintaining backend services, integrating VoIP platforms such as Asterisk and Twilio,



and building real-time streaming capabilities and monitoring dashboards.

Requirements
Mandatory Skills:

• Core: Node.js 20 LTS, TypeScript

• REST API: NestJS (or Fastify)

• Asterisk Integration: Community ari-client (Node)

• Twillio API/applications/similar experience/exposure

• Data Layer: Redis (ioredis), MariaDB (Prisma/TypeORM)

• Asynchronous Processing: Experience in Natively (via the event loop) handles ARI/events/webhooks in a unified manner

• WebSocket/Media Processing: ws / uWebSockets.js: supports for real-time streaming

• Experience in building naturally extensible operations/monitoring dashboard built with Next.js

Secondary/Good to have skill:

• Experience developing VoIP, telephony, contact center, or communication-based applications.

• Hands-on experience with Asterisk PBX, ARI, call control, and call lifecycle management.

• Experience with Twilio Programmable Voice or

📌 Software Engineer (India)
🏢 GxP Technologies India
📍 India