Full Stack - Platform Developer

MassMutual India; Hyderabad; On-site; INR 2,500,000 - 4,200,000; Full time

Job summary

MassMutual India is seeking a Full Stack Platform Developer in Hyderabad to build and own AI platform interfaces, SDKs, and developer tools. You will craft AI-native user experiences, design scalable APIs, and work with cross-functional teams to deliver robust, cloud-native services.

The role emphasizes hands-on work with LLMs, streaming patterns, tool calls, and agent workflows, with a strong product mindset and emphasis on latency, reliability, and user outcomes.

Qualifications

• 5 to 8 years of production-grade full stack development experience.
• Strong front-end with TypeScript and React.
• Backend with Node.js, Python, or Golang.
• Experience designing scalable APIs and cloud-native services.
• Experience with LLMs, streaming, tool usage, agents, or conversational AI.
• Ability to work in ambiguous, fast-moving environments.
• Strong collaboration and communication skills.

Responsibilities

• Build AI platform interfaces, SDKs, developer tools, and reference apps.
• Design AI interaction patterns including streaming responses, tool calls, and citations.
• Develop APIs, model orchestration, caching, rate limiting, observability, and integration services.
• Instrument apps with tracing, evaluation frameworks, and quality metrics.
• Partner with Platform, ML, Product, and Infra to establish best practices for AI product development.
• Contribute reusable patterns, documentation, code reviews, and technical standards for AI app development across the organization.

Skills

TypeScript

React

Node.js

Python

Golang

API design

Cloud-native

LLMs / AI integration

Tools

AWS

Docker

Kubernetes

REST APIs

Job description

Job Description:

Job Title: Full Stack Platform Developer

Location: Hyderabad

What You Will Own

• Experience Layer Engineering: Build and own AI platform interfaces, SDKs, developer tools, playgrounds, and reference applications.


• AI-Native User Experiences: Design modern AI interaction patterns including streaming responses, agent workflows, tool calls, citations, human review, and graceful failure handling.


• Backend Services & Orchestration: Develop APIs, retrieval pipelines, model orchestration, caching, rate limiting, observability, and integration services.


• Quality & Evaluation: Instrument applications with tracing, evaluation frameworks, feedback capture, and quality measurement to continuously improve user outcomes.


• Cross-Functional Delivery: Partner with Platform, ML, Product, and Infrastructure teams to establish best practices for AI product development.


• Engineering Excellence: Contribute reusable patterns, documentation, code reviews, and technical standards for AI application development across the organization.

Qualifications

• 5 to 8 years building and shipping production-grade full stack applications.


• Strong front-end expertise with TypeScript and React.


• Backend experience with Node.js, Python, or Golang.


• Experience designing scalable APIs and cloud-native services.


• Strong product mindset with attention to user experience, latency, reliability, and error handling.


• Hands-on experience building with LLMs, including APIs, streaming, RAG, tool usage, agents, or conversational AI.


• Ability to thrive in ambiguous, fast-moving environments and deliver independently.


• Strong communication skills and a collaborative working style.