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@Vladimir66Kravic
Flag of Montenegro Herceg Novi, Montenegro
Member since February 4, 2019
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Vladimir66Kravic

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I have 2+ years of professional experience in implementing various Optimization, Machine learning and AI solutions in modern Java back-end environment. I love Data Science, complex mathematics and to model real world problems. Operations Research: • Metaheuristic algorithms (Genetic, BeeColony, AntColony, PSO) • Fuzzy logic systems and neural networks in MatLab • IBM Cplex Studio with OPL, Mosek, GLPK, COIN, Lindo solvers • Mathematics, statistics, graph/networks theory Technologies: • Java SE 8, JavaFX and Swing, Java socket, I/O, multi-threading, JDBC • Java EE (Servlets, JSP, Tag Libs, RMI, Web Sockets, Beans) • Spring framework, ORM/JPA/JPQL, Hibernate/HQL • XML(DOM,SAX,XPATH), JSON, SOAP and REST services • HTML/CSS, core Python, JavaScript and PHP WebServers: • Tomcat, Jetty, GlassFish, Apache SQL/NoSQL: • MySQL, Apache Derby, Redis, Mongo OS: • Win, Ubuntu and Kali Linux Tools: • Git, Gradle, Maven, Ant, Eclipse
$20 USD/hr
1 review
2.3
  • 100%Jobs Completed
  • N/AOn Budget
  • 100%On Time
  • N/ARepeat Hire Rate

Portfolio

Recent Reviews

Experience

Website developer

Sep 2016 - Mar 2017 (6 months)

* Transfering lot of data (articles, galleries, videos) from old WP site into new made site * HTML,CSS,JS and PHP for backend functions * Hosting and website maintenance * URL: [login to view URL]

Java programmer, Metaheuristic algorithm expert

Aug 2016 - Oct 2016 (2 months)

* Re-implementing Genetic optimization algorithm in Java in order to solve CPU/RAM/Network allocation problem between more Computers * Using CloudSim simulation framework written in Java and its libraries * Fixing many deep bugs in already present code

Optimization algorithms Expert and Java backend developer

Aug 2016 - Jan 2018 (1 year)

* Creating complex REST based Solver Hub and individual Solvers for solving various Mixed Integer Linear problems in Optimization * Development and testing in Ubuntu Linux * Eclipse, GIT, Gradle, Jetty server, complex JSON manipulations, REST server and client * Working with standalone C based solvers Mosek,GLPK, CBC and communicating with them via Java interfaces * Data science and optimization in worker scheduling * Creating mathematical models, testing, benchmarking

Google Maps review system analyser

Jan 2016 - Mar 2016 (2 months)

* Helping with the hacker attacks on Google Maps review system, which was bringing negative rating to client's company, making him lose customers * It involved deep researching of hidden Google algorithms and a ways to crack them in order to add more positive reviews * VPN, Kali Linux, Proxies, DNS/Mac/IP-address spoofing, Gmail/G+ configuration, multiple Gmail account creation and validation

Java developer and Bee Colony optimization researcher, Master thesis research project

Apr 2015 - Oct 2015 (6 months)

* Implementation, bench-marking, testing and analysis of BeeColony Optimization metaheuristic algorithm in Java (NetBeans) on complicated traffic network problems * Solving about 40 different NP hard location analysis problems ( Radio Base Stations) Importing and parsing huge data sets, more than 40.000 entries *I achieved impressive results with algorithm managing to find optimal solutions in about 97% problems with low CPU time * Core Java, HashMaps, Problem Loaders, Score Evaluators

Sales Menager

Mar 2013 - Sep 2013 (6 months)

• Business communication and team work • Arranging, planning and organizing product presentations with customers • Organizing sales and contract signings • Training and recruiting new co-workers • Improving and expanding current and potential client’s networks • Providing a quality service to customers and dealing tactfully with complaints • Negotiating skills

Education

Master degree in Optimization, Operations research and AI in Traffic Engineering

2014 - 2016 (2 years)

Bachelor degree in Telecommunication and Postal Traffic and Transport engineering

2005 - 2013 (8 years)

IT Academy for Java programming

2015 - 2016 (1 year)

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