Aaryan

/about-me

Who am I?

Hello, i'm Aaryan!

I take ideas from 0 to 1, and 1 to 100.

I have a deep passion for creating products and software.

Right now I am building reliable AI systems

About Me

Currently working on

Callekko

#skills

AI & Agents
  • LangGraph
  • LangChain
  • MCP
  • Multi-Agent Orchestration
  • RAG
  • Eval Pipelines
  • LLM-as-a-Judge
  • Langfuse
  • Knowledge Graphs
  • Apache AGE
  • openCypher
  • Voice Agents
  • Pipecat
  • LiveKit
  • STT/TTS
  • SIP
Languages
  • Python
  • Go
  • TypeScript
  • SQL
  • Bash
Backend & Frameworks
  • FastAPI
  • PostgreSQL
  • pgvector
  • Redis
  • Next.js
  • PyTorch
Infrastructure
  • Docker
  • GitHub Actions
  • AWS
  • Hetzner
  • Kamailio
  • Nginx
  • Grafana
  • InfluxDB

#work-experience

Founding Engineer & Technical Co-founder

Callekko

Sept 2025 — Present

Remote, DK

  • Built an autonomous 24/7 voice agent for customer-service call routing on Pipecat with LiveKit WebRTC transport, bridging legacy SIP trunking using Kamailio to run inside client's existing PBX/IVR stacks — handling 300 calls/day

  • Integrated Langfuse for telemetry analytics, LLM-as-a-judge for the eval loop and intelligent insights for the client

  • Owned deployment on self-hosted Hetzner infrastructure with Docker/GitHub Actions CI/CD and GDPR compliance

  • Connected the voice agent to the Sales 365 pipeline for automated CRM updates

Co-founder — Product Developer

Glasshome

Dec 2024 — Dec 2025

Freiburg im Breisgau, DE

  • Implemented interactive 3D experiences using Spline API and Next.js; integrated a vector-based RAG pipeline for search; led deployment and cloud setup

  • Built a local pipeline to create 3D models from orthographic photos using open-source Diffusion Transformers, e.g. Hunyuan3D

  • Secured EXIST funding from the Bundesministerium für Wirtschaft und Energie (BMWi) by building several prototypes

Software Engineer

General Electric

Jul 2020 — Aug 2021

Bangalore, IN

  • Migrated a CNN-based deep learning web application from Golang to Python

  • Implemented the application using a microservice architecture with gRPC and protobuf, reducing latency by approx. 40%

  • Maintained code quality and usability with test automation by developing a CI/CD pipeline using Docker to ensure consistent, error-free deployments

#education

Master of Science in Computer Science with specialization in AI

Albert-Ludwigs-University of Freiburg

Apr 2023 — Jan 2026

Freiburg, Baden-Württemberg, DE

Bachelor of Technology in Computer Science and Engineering

Manipal University

Aug 2016 — Jun 2020

Manipal, IN

#my-fun-facts

  • I like to learn Game Dev and tinkering with ESP 32 in my free time.