Open to Remote, Hybrid or Onsite

Lead AI Engineer /
Full Stack Engineer

12+ years building production software, focused since 2023 on Generative AI and LLM systems for enterprise customers. At Hotwire Global I build and operate Spark and Radiate, AI products used by Equinix, KPMG, Cloudflare, and Pure Storage, covering RAG pipelines, agentic AI workflows with CrewAI, and multi-model evaluation. Recipient of the Hotwire Limitless Award, FY25 Q3 and FY25 Q4. Also designed and built Talkory.ai, a multi-LLM orchestration platform now serving 1,600+ users and 40+ paying customers.

✉  Email Me LinkedIn ↗ GitHub ↗ ⬇ Resume
+91-7779050607 Bengaluru & Hyderabad, India 60-day notice (negotiable) 2× Hotwire Limitless Award
12+
years_experience
1600+
talkory_users
5
llms_integrated
40+
paying_customers
Technical Stack

Skills

AI & Machine Learning
OpenAI API Anthropic Claude API CrewAI RAG Google Gemini API Perplexity API Grok API AI Agents Prompt Engineering LLM Evaluation Hallucination Detection Vector Embeddings Model Orchestration GEO
Backend
Node.js Express.js REST API Python FastAPI Strapi.js Microservices
Frontend
React.js Next.js TypeScript JavaScript Redux Angular
Databases
PostgreSQL MongoDB MySQL Redis
Cloud & DevOps
AWS: EC2, Lambda, S3 Amplify SES Docker Nginx GitHub Actions CI/CD Linux Cloudflare SOC 2 Type 1 & 2
Tools
Git GitHub Jira Figma Postman DocuSign API
Core Competencies
Technical Leadership System Design Cloud Architecture SaaS & Multi-Tenant Architecture LLMOps AI Evaluation Production Deployment & Reliability API Design Code Review & Mentoring Agile & Scrum Cross-Functional Stakeholder Management
Work History

Experience

Hotwire Global
Nov 2024 - Present
Remote, US-based company
Current
Lead Full Stack Engineer
  • Recipient of the company-wide Hotwire Limitless Award, FY25 Q3 and FY25 Q4 for building AI-powered enterprise platforms used by Equinix, KPMG, Cloudflare and Pure Storage.
  • Architected Node.js & Express REST APIs powering the Spark and Radiate dashboards, handling concurrent analysis jobs across multiple AI search platforms.
  • Built and tuned RAG pipelines that ground LLM outputs in client-specific brand content, enforcing source attribution on every generated recommendation.
  • Designed agentic AI workflows using CrewAI & OpenAI APIs to autonomously analyze brand visibility across ChatGPT, Gemini, Copilot and Google AI Overview.
  • Own deployment and platform operations for production LLM services on AWS, including Docker containerized builds, GitHub Actions CI/CD, and inference latency / model cost monitoring.
  • Lead technical design decisions and code reviews, mentoring engineers on RAG pipeline design and LLM cost optimization.
  • Implemented SOC 2 Type 1 & 2 controls including encrypted data in transit and IAM role configuration.
  • Built React.js + TypeScript dashboards with real-time state management for AI visibility metrics and competitor benchmarking.
Talkory.ai
Jun 2023 - Oct 2024
Independent Product Development
Lead Engineer
  • Self-directed transition from full stack engineering into applied AI: LLM systems, prompt engineering, RAG architecture, and multi-model orchestration.
  • Designed and developed the multi-LLM orchestration engine behind Talkory.ai, routing a single query across GPT, Claude, Gemini, Perplexity and Grok in parallel and synthesizing a consensus answer.
  • Built the consensus-scoring and recursive-correction engine where each model reviews and improves its own output against the others.
  • Implemented per-query cost tracking across five LLM providers, latency budgeting, streaming responses, query history, PDF export and shareable result links.
  • Delivered the full stack end-to-end: Next.js, Node.js, MongoDB, deployed on AWS behind Nginx and Cloudflare with CI/CD and automated search indexing.
  • Took the product from zero to a paying customer base. Now 1,600+ registered users and 40+ paying customers across freemium, subscription and usage-based API tiers.
The Association for Manufacturing Technology
Feb 2023 - May 2023
Bengaluru, Fixed-scope
Lead Full Stack Developer
  • Led a 3-developer team delivering React.js, Node.js and Strapi.js web applications, and owned AWS infrastructure and deployments.
  • Engineered secure Node.js authentication middleware, enforced SOLID principles and ran code reviews across the team.
Cloud Collab Technologies
Jul 2022 - Jan 2023
Bengaluru
Software Developer III
  • Built employee portal applications using React.js, Angular, Node.js, Strapi.js and TypeScript.
  • Wrote Python automation scripts for AWS data migration and DevOps workflows.
Maven Realty (APTAVA)
May 2020 - Jul 2022
Remote, US Product
Senior Full Stack Developer
  • Built APTAVA from scratch using Node.js, MongoDB, Angular, TypeScript, Nginx and AWS, a real estate leasing SaaS for US agents, landlords and property managers.
  • Integrated DocuSign API with AWS Lambda to fully automate lease document generation and signing workflows.
  • Designed serverless event-driven document processing and MongoDB collections for property listing search at scale.
Earlier Experience
Dec 2013 - Apr 2020
Vadodara, Surat
Senior & Mid-level Engineering Roles
  • Botstatz, Vadodara, Senior Software Engineer (Apr 2019 - Apr 2020). Built an automation performance tracking dashboard with image processing, and worked on backend services and cloud security integrations: Node.js, JavaScript, Python (OpenCV, NumPy), MongoDB, Nginx, MySQL, AWS.
  • IndaPoint Technologies, Vadodara, PHP Developer (Jan 2017 - Apr 2019). Owned end-to-end development of MaxxSports.tv, live sports streaming for US/Canada across Web, FireTV, Xbox and Roku.
  • Conceptive Y Inc, Surat, PHP & iOS Developer (Jan 2015 - Dec 2016). Built App Store published iOS applications and PHP web services for US clients.
  • Novo Marketics, Vadodara, PHP Developer (Dec 2013 - Dec 2014). Built web and marketing tools for a digital marketing agency.
Portfolio

Key Projects

01 / Personal Project
Talkory.ai Solo Built

Production multi-LLM orchestration platform that runs one query across five model providers (GPT, Claude, Gemini, Perplexity and Grok) and returns a consensus answer with divergence analysis and per-query cost tracking. Built and operated end to end. 1,600+ users and 40+ paying customers.

Next.jsNode.jsMongoDBAWSOpenAIAnthropicGeminiPerplexityGrok
talkory.ai ↗
02 / AI Platform
Hotwire Spark

Enterprise AI brand visibility platform that monitors how brands are represented across ChatGPT, Gemini, Copilot and Google AI Overview. Built the Node.js APIs, agentic analysis pipelines and React dashboards. Used by Equinix, KPMG, Cloudflare and Pure Storage.

Node.jsReactCrewAIOpenAIAWSSOC 2
hotwirespark.com ↗
03 / SaaS Platform
APTAVA

Real estate leasing SaaS that digitizes the leasing process for US agents, landlords and property managers. Built from scratch, including DocuSign integration and serverless document processing for automated lease generation and signing.

Node.jsMongoDBAngularTypeScriptNginxAWS
aptava.com ↗
Academic Background

Education

Master of Computer Applications (MCA)
Sardar Vallabhbhai Patel Institute of Technology, Gujarat Technological University
2013, Vadodara, Gujarat
Bachelor of Computer Applications (BCA)
Anand Commerce College, Anand
2010, Anand, Gujarat
Udemy & Online

Coursework

◆
React - The Complete Guide 2023
Maximilian Schwarzmüller, Udemy
◆
Microservices with Node JS and React
Stephen Grider, Udemy
◆
JavaScript - The Complete Guide 2023
Maximilian Schwarzmüller, Udemy
◆
Python Mega Course: Build 10 Real World Apps
Ardit Sulce, Udemy
◆
Ethereum Blockchain Developer with Solidity
Thomas Wiesner, Udemy
◆
Practical WebRTC Bootcamp
Ajay R Warrier, Udemy
◆
Nuxt.js - Vue.js on Steroids
Maximilian Schwarzmüller, Udemy
// get_in_touch()

Available for
Remote Roles

Full-time or long-term contract. Open to remote, hybrid or onsite roles, based in Bengaluru and Hyderabad, or global companies. 60-day notice (negotiable).

✉  bhayanisumit06@gmail.com LinkedIn ↗ GitHub ↗ ⬇ Resume
📞 +91-7779050607
📍 Bengaluru & Hyderabad, India
🌐 bhayanisumit.in
⏱ 60-day notice (negotiable)