Nenad Vukicevic

Belgrade, Serbia

Member since June 11, 2014

Nenad is an experienced senior full-stack developer, with extensive experience in JavaScript, Java, and Python. He also excels with databases, web infrastructure administration, and system design.

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Portfolio

GroundLink
Play Framework, Bootstrap, LifeRay
Ascendant Technology, an Avnet Company
IBM WebSphere, DB2, Connections
Lakeview Technologies
Python, Java

Experience

JavaScript, 7 years
Security, 5 years
Node.js, 4 years
AngularJS, 3 years
PostgreSQL, 2 years
MongoDB, 2 years
Neo4j, 1 year
React.js, 1 year

Availability

Part-time

Preferred Environment

Ubuntu, Sublime Text, Git

The most amazing...

...thing I've coded is the Crunch JavaScript library for fast arbitrary-precision arithmetic.

Employment

Senior Web Developer
GroundLink
2013 - PRESENT
- Created a flexible and simple customization system for non-technical employees to customize the company website.
- Redesigned the login system to move from a non-random, non-secure token system to be more robust and secure.
- Created a responsive design for a complicated multi-step booking process.
- Designed a secure single sign-on solution between very restricted legacy systems and new applications.
- Re-factored poorly designed and implemented solutions, bringing a previously unsuccessful project to completion.
Technologies: Play Framework, Bootstrap, LifeRay
Senior Consultant
Ascendant Technology, an Avnet Company
2011 - 2013
- Led a devops team at one of the world's largest banks, working on their internal collaboration platform.
- Designed database failover infrastructure for multiple clients.
- Designed and implemented LDAP replication and failover systems.
- Worked with the latest IBM technologies for single sign-on and security applications.
- Implemented internal systems for collaboration and version control.
Technologies: IBM WebSphere, DB2, Connections
Developer
Lakeview Technologies
2010 - 2011
- Developed a distributed peer-to-peer backup system with encryption and privacy features.
- Worked on expanding a popular electronic trading platform.
- Optimized memory-intensive graphing functions to work with a fraction of previously required resources.
- Implemented an auction platform for recyclable materials.
- Created a system for on-the-fly distribution of mathematical models between server and client.
Technologies: Python, Java

Experience

Node Ephem (Development)
https://github.com/vukicevic/node-ephem
A Node.js library written in JavaScript & C++ to parse NASA's development ephemeris files. The goal is to calculate the positions of celestial bodies at a given moment in time.
Crunch (Development)
https://github.com/vukicevic/crunch
Crunch is an arbitrary-precision integer arithmetic library for JavaScript. It has been designed to execute arithmetic operations as quickly as possible, in particular those upon which asymmetric encryption crypto-systems such as RSA are built.
SecureRoom (Development)
http://www.secureroom.net/
SecureRoom is for encryption and is browser-based, with communication processed entirely client-side. It involves key generation, key distribution, encryption, decryption, and verification. Everything is done in the user's browser. It does not require any plugins or server-side key management.
GroundLink Web (Development)
https://www.groundlink.com
A complete website and back-end redesign and re-implementation. The website is several applications, with some running on LifeRay and others using the Play Framework. It uses Bootstrap 3 and a responsive design for the front-end, and some custom single sign-on solutions to allow a seamless experience when navigating between applications on the back-end.

Skills

Languages
PHP, EcmaScript 2015 (ES6), JavaScript, Java, Python, Scala, C++
Frameworks
Express.js, AngularJS, Bootstrap 3, Mocha
Libraries/APIs
Node.js, React.js, Google API, Facebook API
Tools
Git, NPM, Nginx, GIS, Mongoose, Webpack
Platforms
Debian Linux, Linux, Amazon Web Services (AWS), Android
Storage
PostgreSQL, Redis, MongoDB, Neo4j, DB2, MySQL, PostGIS
Misc
GNU, API Design, MEAN Stack, HTML5 WebSockets, Security, Encryption
Paradigms
DevOps, Agile Software Development, Clean Code

Education

Master's degree in Electrical & Electronic Engineering
Imperial College, University of London - London
2002 - 2007

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