Senior Software Engineer - Backend (AI Platform)

Blue Machines AI; Bengaluru; On-site; INR 1,800,000 - 3,200,000; Full time

Job summary

Blue Machines AI in Bengaluru is seeking a Senior Software Engineer (Backend) to design and build high-scale, low-latency systems for its voice platform. You will own backend architecture and APIs across distributed components.

The role requires strong expertise in Python/Java, microservices, and real-time communication protocols like WebRTC/SIP, with cloud and containerized deployments. You’ll collaborate with AI teams to improve multi-agent orchestration.

Qualifications

• 3–6 years backend development experience in Python or Java.
• Strong system design, concurrency, and distributed systems knowledge.
• Experience building scalable APIs or streaming systems.

Responsibilities

• Design and develop scalable microservices and backend systems powering real-time AI workflows.
• Own end-to-end architecture — from APIs, data models to deployment and monitoring.
• Optimize systems for performance, concurrency, and fault tolerance at high scale.
• Collaborate with product and AI teams to evolve the platform's multi-agent orchestration and automation layer.

Skills

Backend development (Python/Java)

Distributed systems

APIs & streaming systems

Real-time communication

Observability tooling

Tools

Kubernetes

Docker

MongoDB

Redis

Postgres

Kafka

Pub/Sub

WebRTC

SIP

Job description

Experience: 3-6 Years

Location: Bengaluru (Work from Office)

Team: Blue Machines - Apna's Agentic AI Platform

Role Overview

We're looking for a Senior Software Engineer (Backend) who can design and build high-scale, low-latency systems for our AI and voice platform. The ideal candidate will have strong backend engineering fundamentals, experience with distributed systems, and curiosity about Voice AI, WebRTC, and SIP-based integrations.

Responsibilities

• Design and develop scalable microservices and backend systems that power real-time AI and voice workflows
• Own end-to-end system design — from architecture, APIs, and data models to deployment and monitoring
• Optimize systems for performance, concurrency, and fault tolerance at high scale
• Implement best practices for observability, testing, and resilience (Datadog, Sentry, etc.)
• Collaborate with product and AI teams to evolve the platform's multi-agent orchestration and automation layer

Requirements

Must-Have Skills

• 3-6 years of backend development experience in Python or Java
• Strong grasp of system design, concurrency, and distributed systems
• Experience building scalable, high-availability APIs or streaming systems
• Familiarity with WebRTC, SIP, RTP, or other real-time communication protocols
• Experience with cloud environments (GCP/AWS) and containerized deployments (Kubernetes, Docker)
• Sound understanding of databases (MongoDB, Redis, Postgres) and message queues (Kafka, Pub/Sub)

Good to Have

• Exposure to Voice AI, Speech Processing, or AI Agent frameworks
• Experience integrating LLMs, vector DBs, or real-time AI inference systems
• Prior work on AI-driven or telephony-driven platforms at scale

Benefits

Why Join Us

• Work on India's largest Voice AI and Agentic Automation platform, shaping how enterprises interact with AI
• Collaborate with a world‑class team building scalable real-time systems that push latency and reliability limits
• Opportunity to grow into architecture, infra, or AI platform leadership roles as Blue Machines scales globally