Nenad Vukicevic, Software Developer in Belgrade, Serbia
Nenad Vukicevic

Software Developer in Belgrade, Serbia

Member since June 11, 2014
Nenad is an experienced senior full-stack developer and tech lead with extensive experience in JavaScript, Java, and Python. He also excels with databases, web infrastructure administration, and system architecture.
Nenad is now available for hire




Belgrade, Serbia



Preferred Environment

Ubuntu, Sublime Text, Git

The most amazing...

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


  • Tech Lead

    2015 - PRESENT
    • Led a team of engineers as the tech lead for a Y-combinator startup.
    • Designed and implemented a data lake.
    • Designed and implemented an IoT platform.
    • Designed and implemented microservice architecture.
    • Reduced AWS costs by 75% on a large-scale deployment.
    Technologies: Node, Postgres, React, AWS
  • Software Engineer

    2015 - 2016
    ZYX Integrated Technologies
    • Architected a new application based on a graph database.
    Technologies: Node, Neo4J, Angular, PHP
  • Consultant

    2015 - 2015
    • Troubleshot a high-load application.
    • Optimized database queries and the web server configuration.
    • Rewrote the Node.js-based application code.
    Technologies: MySQL, Nginx, Node, C++
  • Senior Web Developer

    2013 - 2015
    • 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

    2011 - 2013
    Ascendant Technology, an Avnet Company
    • 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

    2010 - 2011
    Lakeview Technologies
    • 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


  • Crunch (Development)

    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.

  • Verbatim (Development)

    A pastebin website.


  • Languages

    ECMAScript (ES6), JavaScript, Python, Scala, PHP, C++, Java
  • Frameworks

    Redux, Hapi.js, Express.js
  • Libraries/APIs

    AMQP, React, Node.js, Facebook API, Google API
  • Tools

    NPM, Nginx, Mongoose, AWS Athena, AWS CloudFormation, AWS Glue, AWS SDK, AWS ECS, Amazon SQS, Travis CI, AWS Push Notification Service (AWS SNS), Docker Compose
  • Paradigms

    Agile Software Development, DevOps, MEAN Stack, Clean Code
  • Platforms

    Amazon Web Services (AWS), Linux, AWS Lambda, Docker, Rancher
  • Industry Expertise

    Security, Internet of Things (IoT)
  • Storage

    Redis, PostgreSQL, MongoDB, Data Lake Design, Data Lakes, AWS S3, MySQL, Neo4j, IBM DB2, Elasticsearch
  • Other

    Cryptography, API Design


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

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