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sushma_sree897

Sushma L

@sushma_sree897

AI Voice Agent and LLM Engineer

United Kingdom
English
About me
I build AI voice agents that answer calls, book appointments and qualify leads 24/7. I'm a Gen AI Engineer in London with production experience in Twilio, Plivo, Retell AI and Gemini Live, plus RAG knowledge bases, Salesforce and Cal.com integrations, and post-call analytics. One voice agent I delivered cut a client's support costs by 70%. I also build LLM apps and agents with LangChain, LangGraph, Azure OpenAI and FastAPI, and test them with red-teaming and evals. MSc in Data Science. Message me with your use case and I'll suggest the simplest setup that works.... Read more

Skills

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sushma_sree897
Sushma L
Offline • 

See my services

AI Integrations
I will build an ai voice agent with twilio, retell or gemini live
From$90 / projectMore details

Work experience

Sandhata_Technologies

Gen AI Engineer

Sandhata Technologies

Feb 2026 - Present • 8 mos

Building production AI voice agents and LLM systems for UK enterprise clients. - Flint, a multi-tenant AI voice agent platform: added Plivo telephony alongside Twilio, a Gemini-based post-call analysis pipeline with automatic SMS, WhatsApp and email follow-ups, a bulk-calling campaign system, and RAG knowledge bases for live calls. - Built multi-tenant agent management APIs with FastAPI, JWT and PostgreSQL. - Led the build of an API governance agent for a Tier-1 UK telecom, using tree-RAG on Azure OpenAI with citation-backed validation across about 1,000 APIs. - Set up observability and safety for AI agents: OpenTelemetry tracing, Arize drift monitoring, AI-judge evaluators, Promptfoo red-teaming and a self-healing fix loop.

ASPECT_MAINTENANCE SERVICES LIMITED

Gen AI Engineer

ASPECT MAINTENANCE SERVICES LIMITED

Sep 2025 - Feb 2026 • 5 mos

Built production AI voice agents and LLM tools for a London property maintenance company. - General queries voice agent (Twilio STT/TTS/VAD) for jobs, refunds and customer questions, with multi-call handling, emotion detection and GDPR-compliant handling. It cut customer support costs by 70%. - Booking voice agent fully integrated with Salesforce through the REST API, SOQL and webhooks. - Call transcript analysis model that sorts calls into categories and scores each funnel stage. - Voice assistant bot for field engineers, and a lead-finder agent using hybrid RAG that found leads 70% faster. - CI/CD with GitHub Actions, LangChain/LangGraph workflows with guardrails, and monitoring with Prometheus, Grafana and MLflow.