Aleksandar Ogrizovic

Web interface for divers, where they can upload their dive sessions and have a second-by-second depth chart. Upload whole SD card and service will connect files to corresponding sessions. The depth chart is charted from large CSV files in the matter of milliseconds and is in two-way binding with youtube player.

Technologies: Firebase, Firestore, Youtube Data API v3, React, Redux.

LiftAI is a startup project with the goal to automate elevator maintenance.

I was responsible for the whole front-end and design he made from scratch. The most important aspects were displaying maps with elevators, various sorts of pop out and modal windows, geocoding, implementing different roles and permissions, routing, SVG animations and loaders, filter searches, widgets, graphs for showing data, full detailed pages and statuses including pages for elevators, buildings, companies, users, services, settings, profiles, dashboards, and details of multiple roles.

iSense is a smartwatch solution for children's safety.

I was working on most parts of the application, primarily with dashboard views and maps. Implemented functionalities that displayed the radius of the child's movement on the map in a time interval, put custom markers on places the child visited and charted directions.

The Music Style Guide is a generic solution that enables marketers and store employees to choose suitable music for marketing campaigns and events, as well as to choose music that will be played in their stores.

I worked on new front-end features including notifications and displaying the modal for sending an email.

Analysis and recognition of voice using DTW and LPC.
Implemented in Java.

Compiler for MicroJava (Java with a reduced set of instructions). Used LEX/YACC in C for syntax and semantic analysis. Project for compilers course.

Database app that supports connection to any relational database and performing queries. You can view all the database tables, and perform different operations on them, such as select, insert, update, delete, sort. It also supports generating different kinds of reports of a single table or combination of tables. Implemented in Java.

Worked on this project for more than a year and a half and built React app from scratch, using the latest technologies such as Webpack, Redux, and Material-UI. I was working on 3d workspace using three.js where I implemented functionalities such as model loading, object manipulation, rendering of complex figures, advanced camera views, real-time drawing, and computations using difficult tree-based algorithms.

Technology stack: three.js, React.js, Redux, Python, Django REST framework, PostgreSQL, Celery, Docker, AWS