Available for Opportunities · India

Satyabrata Jena

Backend Developer & AI Agent Developer · Building production-grade LLM pipelines, RAG systems & Voice AI agents

Java · Spring Boot Python · FastAPI LangChain · LangGraph Ollama · RAG WebRTC · LiveKit

Where I work

Professional Experience

Satyabrata Jena – Backend Developer and AI Systems Engineer

Satyabrata Jena

Backend & AI Developer

location_on Banjara Hills, Hyderabad mail jena23669@gmail.com call +91 9337237112

work_history Career Timeline

Telezer Technologies

Backend & AI Systems Developer

Dec 2025 – Present
  • Built AI voice pipeline: VICIdial + Asterisk integrated with WebRTC (LiveKit) for real-time agent interactions
  • Designed low-latency conversational AI using ChatGPT + local LLMs with STT (Faster-Whisper) and TTS
  • Developed production-grade QC AI agent: call recordings → Whisper STT → Qwen 7B → quality scoring
  • Implemented multi-step QC reasoning with LangChain + LangGraph; deployed on on-premise Linux servers
  • Built Streamlit monitoring dashboard with SQLite for data management and system observability
LangChain LangGraph Faster-Whisper WebRTC · LiveKit Qwen 7B Streamlit Linux Server
Current Stack
AI + BE
Full Backend-to-Agent Stack
Java
Spring Boot
Python
LangChain
RAG
Vector DBs
Voice
STT · TTS

rocket_launch Key Projects at Telezer

micQC AI Agent

Automated call quality evaluation pipeline using Faster-Whisper + Qwen 7B + LangGraph multi-step reasoning.

callVoice AI Pipeline

Real-time voice agent system integrated with VICIdial, Asterisk, LiveKit WebRTC for BPO automation.

monitoringMonitoring Dashboard

Internal Streamlit dashboard for system observability and call analytics with SQLite data layer.

account_treeLLM Agent Loop

Multi-step agentic reasoning with tool-calling, fallback handling, structured evaluation logic using LangGraph.

What I build with

Technical Skills

developer_mode

Backend

Java 8/11 Spring Boot REST APIs Hibernate JDBC Node.js Express.js Python FastAPI
smart_toy

Agentic AI & LLMs

LangChain LangGraph Ollama RAG Pipelines Prompt Eng. Tool Calling Agent Loop OpenAI API LLaMA · Mistral
database

Data & Infra

MySQL MongoDB ChromaDB FAISS SQLite WebRTC LiveKit Linux Render · Netlify
hub

AI Models & Voice Stack

🧠
LLaMA 3
Meta
Mistral
Mistral AI
🎙️
Whisper
OpenAI STT
🔊
TTS
Voice Synthesis
build

Tools & Languages

Git Maven Postman VS Code Eclipse Google Colab Streamlit C · Java · Python · JS

My academic path

Education Journey

school

2021 – 2025

B.Tech in CSE

Ajay Binay Institute of Technology, Cuttack, Odisha

Computer Science Engineering

Graduated with a degree in Computer Science Engineering. Focused on software development, backend systems, and emerging AI technologies. This is where I built my foundation in Java, algorithms, and engineering principles.

Completed Higher Secondary Science stream with core subjects in Physics, Chemistry, and Mathematics. Built analytical thinking and quantitative reasoning skills that now power my systems design approach.

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2019 – 2021

+2 Science (HSC)

DRIEMS Higher Secondary School of Science, Odisha

Physics · Chemistry · Math
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2019

10th (SSC)

SNVP High School, Jagatsinghpur, Odisha

Secondary Education

Foundation years that shaped discipline, curiosity, and a love for problem solving. Early exposure to computers and mathematics sparked what would become a career in technology and AI systems.

Continuous learning

Training & Certifications

code

Qspiders & Jspiders

Java Full Stack Training

Intensive hands-on training covering enterprise Java development from foundations to production-grade systems.

Core Java Spring Boot Hibernate REST APIs
mic

OCAC

Python & NLP Project Training

Practical project training building a Speech-Based Mood Detection system using NLP and speech recognition.

Python NLTK NLP SpeechRecognition
analytics

Deloitte Australia · Forage · Nov 2025

Data Analytics Simulation

Virtual work simulation covering enterprise-grade data analytics, forensic analysis, and business intelligence.

Tableau Excel Forensic Analysis Business Insights

Let's build something great

Ready to architect the future?

Open to backend developer roles, AI/ML engineering positions, and collaborations on LLM infrastructure, voice AI, and agent-based systems.