school Masters Student in Computer Science · SRH Berlin

Building backends
with precision & soul.

Hi, I'm Vishwanath. I specialize in scalable APIs, data pipelines, and AI/ML systems—built to last and designed to be understood.

Vishwanath A Sardeshpande

Journey

ML Engineer — Working Student

Hitachi Rail

Sep 2025 – Feb 2026 · Berlin, Germany

hub

Engineered custom GNN architectures in PyTorch to produce spanning trees with 95% accuracy. Developed a comparative analysis of GAT & GCN models and built a custom loss + reward system for supervised training on large-scale graph data.

PyTorch GNNs NetworkX PyTorch Geometric

Backend Developer — Working Student

Wayfair

Aug 2024 – Apr 2025 · Berlin, Germany

cloud_queue

Designed Vertex AI Pipelines on GCP to automate ML workflows and image annotation. Managed Apache Airflow DAG migrations and built APM dashboards in Datadog tracking P99/P95/P75 latencies.

GCP Vertex AI Apache Airflow Python Datadog BigQuery

SAP ABAP Developer

Kennametal Shared Service

May 2022 – Mar 2024 · Bengaluru, India

code

Built Smart Forms, Adobe Forms, and custom ABAP reports. Leveraged LLM technologies to build a warehouse management chatbot improving efficiency by 18%, and developed an OData application for cross-platform integration.

SAP ABAP AI/LLM OData Smart Forms

Projects

A collection of things I've built with care.

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Master's Thesis

Self-Reflective Autonomous Driving

Designed a teacher–student framework where a rule-based policy generates supervision for a VLM student. Trained with SFT and reinforcement learning in CARLA using GRPO, with a self-reflection mechanism for failure diagnosis.

Vision-Language Models CARLA GRPO PyTorch
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Perception–Reasoning–Action Pipeline

GenAI Vision Assistant

Built a LangGraph vision agent with Google Gemini VLM for complex scene analysis and multi-step visual reasoning. Deployed with Docker and integrated Kokoro TTS for low-latency audio output to a mobile client.

LangGraph FastAPI Gemini VLM Docker
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React + FastAPI

Full-Stack E-Commerce

E-commerce platform with a React frontend, FastAPI backend, and PostgreSQL with transactional order handling. JWT-based auth for customers and admins, fully dockerized for production.

React FastAPI PostgreSQL Docker

My Toolkit

terminal
Languages
Python, JS/TS, SQL, ABAP
database
Backend
FastAPI, Django, Flask, Microservices
psychology
AI / ML
PyTorch, LangChain, TensorFlow
cloud_queue
Cloud & Ops
Azure, GCP, Docker, Kubernetes
storage
Data
PostgreSQL, MongoDB, Neo4j, BigQuery

Education

M.S. Computer Science — Big Data & AI

SRH Berlin University of Applied Science · Berlin, Germany

Apr 2024 – Mar 2026

B.E. Information Science & Engineering

Sri Krishna Institute of Technology · Bangalore, India

Aug 2018 - Aug 2022