Nenad Vukicevic, Internet of Things (IoT) Developer in Belgrade, Serbia
Nenad Vukicevic

Internet of Things (IoT) Developer in Belgrade, Serbia

Member since June 11, 2014
Nenad is an experienced tech lead and principal engineer working with Node.js and Python. He excels at database design, data lakes, data processing, web infrastructure, and system architecture. Nenad has several years of experience leading and managing engineering teams.
Nenad is now available for hire

Portfolio

Experience

Location

Belgrade, Serbia

Availability

Part-time

Preferred Environment

Git, Sublime Text, Ubuntu

The most amazing...

...project I've led consisted of building a data lake and processing infrastructure used in the pharmaceutical and life-sciences industry by industry leaders.

Employment

  • Tech Lead

    2015 - PRESENT
    TetraScience
    • Led a team of engineers as the tech lead for a Y-combinator startup.
    • Designed and implemented a data lake for massive-scale data storage.
    • Designed and implemented an IoT platform for data collection.
    • Designed and implemented microservice architecture.
    • Reduced AWS costs by 75% on a large-scale deployment.
    Technologies: Amazon Web Services (AWS), React, PostgreSQL, Node.js, Security, Elasticsearch, AWS Athena
  • Software Engineer

    2015 - 2016
    ZYX Integrated Technologies
    • Architected a new application based on a graph database.
    Technologies: PHP, Angular, Neo4j, Node.js
  • Consultant

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

    2013 - 2015
    GroundLink
    • 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: Liferay, Bootstrap, Play Framework
  • 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 Db2, IBM WebSphere
  • 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: Java, Python

Experience

  • Crunch
    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.

  • Verbatim
    https://verbatim.link

    A pastebin website.

  • IoT Platform

    I designed and built an IoT platform for collecting sensor data and monitoring critical high-value lab instruments. I started as a contributor and quickly progressed to the team and project lead. While leading the project, we cut the operational costs of the platform by 75% as well as stabilizing the product, cutting the number of high priority incidents to single digits in the following year.

  • Data Platform

    I designed and built a data lake and data acquisition layer for collecting and storing files.

    I led a team of engineers who have built a successful product gaining traction in the life-sciences and pharma industries.

Skills

  • Languages

    ECMAScript (ES6), JavaScript, SQL, GraphQL, Python, PHP, C++, Java, TypeScript
  • Frameworks

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

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

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

    Agile Software Development, DevOps, MEAN Stack, Microservices, REST, Lambda Architecture, Clean Code
  • Platforms

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

    Security
  • Storage

    Redis, PostgreSQL, MongoDB, Data Lake Design, Data Lakes, AWS S3, MySQL, IBM Db2, Elasticsearch, Neo4j
  • Other

    Internet of Things (IoT), API Design, APIs, Back-end Development, Big Data, Data Management, Back-end, Software Architecture, Scalability, Lambda Functions, Cryptography, CI/CD Pipelines, Technical Leadership, Single Sign-on (SSO), Containerization, Containers, AWS

Education

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

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