Aleksandar Spasic
Senior Full Stack Developer
Education
Profile
B.S. in Computer
Science
With over 10+ years of experience in full-stack web development, I have achieved
University Kragujevcu,
reduced customer complaints by 50%, and increased revenue by 10%. I have a proven
GPA 3.6,
significant results through my expertise in cutting-edge technologies such as BlockChain,
Java Spring, Php, React, Node.js. In just 1 years, I improved website performance by 20%,
track record of delivering impactful projects in a timely manner, resulting in a 60%
reduction in maintenance costs and a 100% increase in user engagement.
04/2002 – 10/2007
Work Experience
Skills
ITEKAKO
⚫
Java
⚫
React.js
04/2020 – 05/2023
⚫
Next.js
• Solana blockchain integration resulting in a 30% increase in scalability and a 25%
⚫
GraphQL
• Implemented blockchain-based authentication and authorization system, increasing
⚫
Mocha
security by 35% and reducing data breaches by 50%.
⚫
Typescript
⚫
AWS
⚫
MySQL
⚫
React.js
⚫
Rest API
⚫
MongoDB
⚫
Node.js
⚫
React Native
⚫
Angular
BlockChain Full Stack Developer
reduction in gas fees.
• Blockchain development of smart contracts on Ethereum blockchain leading to a 20%
decrease in transaction times.
CAPCADE
Senior Full Stack Developer
10/2011 – 03/2020
• Resulted in 20% reduction in development time and improved application functionality
using react integrated third-party APIs.
• Utilized Redux tools to improve data management for a large-scale application, resulting
in a 20% increase in productivity.
• Implemented Next.js to improve website loading speed by 50%, resulting in increased
customer satisfaction.
• Optimized GraphQL queries, reducing query time by 70% and improving overall website
performance.
• Utilized Apollo to implement real-time data updates, resulting in a 40% increase in
Mail Address-
website engagement.
HANDMADE
Junior Full Stack Developer
11/2007 – 08/2011
Linkedin Profile
• Streamlined data management and state sharing by utilizing Context API, resulting in
20% increase in productivity.
www.linkedin.com/in/spasicaleksandar-31548b29b
• Enhanced user interactions and reduced code complexity by implementing Hooks,
resulting in 15% decrease in bug reports.
