Kalyan Maddineni

I'm a software engineer at Fidelity Investments, working in Fidelity Brokerage Technology. I graduated from UMass Amherst.

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70 simulated price paths Geometric Brownian motion, the model behind my Black-Scholes project. Move your mouse over the chart.
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Experience

Fidelity Investments logo

Software Engineer Current

Fidelity Investments, Fidelity Brokerage Technology

  • Modernizing mainframe applications into microservices hosted on AWS and Azure.
  • Built a web portal where users manage access to internal applications and their permissions and roles.
  • Java
  • JavaScript
  • Angular
  • Spring Boot
  • MyBatis
  • Oracle PL/SQL
  • PostgreSQL
UMass Amherst logo

Software Engineering Intern

University of Massachusetts Amherst

  • Designed and built a website for real-time index tracking.
  • Integrated a trading strategy that factors in trade size and risk management. It runs alongside a human as a decision-making assistant.
  • JavaScript
  • Angular
  • PostgreSQL
Fidelity Investments logo

Software Engineering Intern

Fidelity Investments

  • Built an operational monitoring tool in SQL and Tableau for bond, security and index data.
  • Made a dashboard for tracking app usage, query calls, database degradation and query variance.
  • Cut slow query time from 3 minutes to 10 seconds by optimizing a database with hashing.
  • Python
  • Tableau
  • Oracle PL/SQL

Projects

Black-Scholes Option Pricing

An option pricing calculator and Geometric Brownian Motion simulator based on the Black-Scholes formula. The chart at the top of this page uses the same model.

  • C++
  • Python

Machine Learning for Finance

A stock prediction model built on time series data, plus a matrix showing how each S&P 500 company's price correlates with the others.

  • Python

SubletMe

A marketplace where college students can sublet their apartment or find one to sublet.

  • Python
  • MongoDB
  • Redis
  • Nginx

Panoramic Image Stitching

Takes two images related by an unknown translation and scale, matches them using RANSAC, and stitches them together.

  • Python

Weatherly

A web app that uses the Spotify and OpenWeatherMap APIs to generate a mood-based playlist from Spotify's metrics for each song.

  • JavaScript
  • HTML/CSS
  • Bootstrap 4

This website

Plain HTML, CSS and JavaScript with no frameworks or libraries.

  • HTML
  • CSS
  • JavaScript

Skills

Languages

  • Java
  • Python
  • C/C++
  • JavaScript
  • HTML/CSS

Frameworks

  • Angular
  • Node.js
  • Spring/MyBatis
  • Flask
  • FastAPI
  • JUnit

Databases and cloud

  • PostgreSQL
  • MySQL
  • Oracle
  • MongoDB
  • AWS
  • Azure

Developer tools

  • Docker
  • Kubernetes
  • Jenkins
  • Terraform
  • Git