Backend + AI Developer

YourfriendlyHR; Bengaluru; On-site; INR 1,500,000 - 2,500,000; Full time

Job summary

YourfriendlyHR is sourcing for a Bengaluru-based technology client seeking a Backend + AI Developer to design scalable backend services and AI-powered workflows. The role emphasizes real-time systems, API integrations, and production-grade ownership across design, development, and deployment.

On-site in Bangalore and full-time, 3-6 years experience is expected. The candidate will work on SaaS platforms, real-time communication via MQTT/WebSockets, AI agents, and data-heavy APIs, collaborating

Qualifications

• 3-6 years of experience in backend development and AI workflows.
• Experience building scalable backend services and real-time systems.
• Hands-on experience with NestJS and Node.js.
• Knowledge of databases: PostgreSQL, MySQL, MongoDB.
• Experience integrating AI/LLM APIs and building AI-powered features.

Responsibilities

• Design and build scalable backend services using Node.js/NestJS.
• Implement REST APIs, WebSockets, and event-driven architectures.
• Work with Prisma ORM across SQL and NoSQL databases.
• Build authentication/authorization using JWT, RBAC, and permissions.
• Integrate third-party APIs for payments, messaging, CRM, etc.
• Develop AI-powered features and workflows with LLMs.

Skills

Node.js

TypeScript

NestJS

JWT

RBAC

REST APIs

WebSockets

SQL & NoSQL

AI APIs

OAuth

Tools

Prisma ORM

PostgreSQL

MySQL

MongoDB

Job description

Key Responsibilities

This role is with our client, a Bengaluru-based technology company that helps small and growing businesses turn their ideas into practical, scalable digital solutions. They work across custom software development, web and mobile applications, UI/UX, API integrations, and technology consulting.

The company looking for a Backend + AI Developer who can build scalable backend systems and AI-powered workflows for real-world products, not just demos or proof-of-concepts.

• Location: Bangalore (On-site)
• Employment Type: Full-time
• Experience: 3-6 years (skill > years)

This role is ideal for someone who enjoys solving complex problems end-to-end, rather than simply writing isolated APIs.

You’ll Work On

• SaaS platforms
• Real-time systems using MQTT, WebSockets, and WebRTC
• AI agents for voice, chat, and automation
• Data-heavy APIs and integrations
• Production systems used by real customers

Key Responsibilities

Backend Development

• Design and build scalable backend services using Node.js / NestJS
• Implement REST APIs, WebSockets, and event-driven systems
• Work with Prisma ORM across SQL and MongoDB environments
• Design schemas, migrations, and query-optimized data models
• Build authentication and authorization systems using JWT, RBAC, and permissions
• Integrate third-party APIs for payments, messaging, CRM, video, maps, and other services
• Handle background jobs, queues, cron tasks, and workflows

AI & Automation

• Build and integrate AI-driven features using LLMs such as OpenAI or similar platforms
• Develop AI agents for:
  • Voice bots
  • Chat assistants
  • Workflow automation
  • Data extraction and summarization
• Implement prompt engineering, structured outputs, and guardrails
• Connect AI systems with backend logic, databases, and external tools
• Work on real-time AI systems, including streaming, partial responses, and low-latency interactions

Real-Time & Systems Engineering

• Work with MQTT, WebSockets, and event-based architectures
• Build or integrate WebRTC, streaming, and signaling systems
• Handle concurrency, retries, failure recovery, and observability
• Optimize performance for high-traffic and low-latency use cases

Development & Production Ownership

• Write clean, production-ready code
• Debug real production issues using logs, metrics, and failure analysis
• Participate in architecture and technical design decisions
• Work closely with frontend, mobile, and product teams
• Own features end-to-end, from design - development - deployment

Required Skills Must-Have

• Strong experience with Node.js and TypeScript
• Hands-on experience with NestJS or an equivalent backend framework
• Experience with Prisma ORM
• Good understanding of databases such as PostgreSQL, MySQL, and/or MongoDB
• Experience integrating AI / LLM APIs
• Strong understanding of API design principles
• Comfortable working with complex, evolving systems

Good to Have

• Experience with MQTT, WebSockets, or real-time systems
• Experience with WebRTC, media, or streaming
• Experience with Docker and CI/CD
• Familiarity with cloud platforms such as AWS, DigitalOcean, or Azure
• Prior experience working on SaaS platforms
• Exposure to voice bots, chatbots, or automation platforms

What We're Really Looking For

• Someone who can think in systems, not just functions
• Comfortable working with ambiguity and complex problem-solving
• Willing to go deep instead of cutting corners
• Able to debug, reason through issues, and improve existing systems
• Takes ownership instead of waiting for instructions

We prefer problem solvers over resume keywords.

What You'll Work On

Examples of the type of systems and products you may work on include:

• AI voice agents connected to real phone systems
• SaaS dashboards with RBAC and workflow engines
• Real-time device communication using MQTT
• Automation pipelines combining AI, backend systems, and external tools
• Data-heavy reporting and analytics systems

Work Culture

• No micromanagement
• High ownership and high trust
• Focus on output and quality, not hours
• Engineering-first mindset
• Opportunity to work on real products used by real customers

Hiring Process

• Resume shortlisting
• Technical discussion focused on problem-solving
• Practical evaluation through a small task or system-design discussion
• Final culture and ownership round

Skills: ownership,coding experience,saas,artificial intelligence,agents,mqtt,websockets,platforms,automation,sql