Java backend R&D developer


Senior Java R&D developer

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Introductie van de Freelander


  • More than 8 years of experience in R&D – Product Development
  • Experience in designing and building scalable and high performing product components
    primarily using Java and web related technologies
  • Experience in BigData integration and management
  • Experience in building SOA and microservices based product features
  • Experience in analysis, designing and implementing of application security features
  • Worked on multiple domains and tools in different verticals like Development, Testing,
    Performance, Deployment etc
  • Handled different roles in an Agile team like lead Software Engineer, Senior R&D software
    Engineer etc


Kennis van de Freelander


  • Languages: Java, Python(Basic), HTML/JavaScript(Basic)
  • Frameworks: J2EE, Spring, Junit, Swing
  • Databases: MySQL, Hbase, MongoDB (Basic)
  • Others: XML, Xpath, XSD, SOAP/REST
  • Tools: Eclipse, SVN, Git, Maven ,Jenkins, JMeter, VisualVM
  • Servers: Tomcat, Apache, Nginx, Jetty


Ervaring van de Freelander


     Senior Software Engineer: Jan 2016 – Current
  • Core and lead role in development of features and coordinating deliveries of fixes and releases
  • Involved in architecture design and performance analysis for different product features using tools like JMeter, VisualVM etc
  • Co-developer for offline job processing system, handling heavy tasks at high concurrency & throughput using the multithreaded Java processes
  • Core role in the technical design and implementation of product features and upgrades
  • Responsible for the employment of new technologies and migration/re-design of legacy features with respect to the new technologies
  • Trained and mentored junior and peer developers in Java and other technologies


     Software Engineer: Jan 2014 – Dec 2015
  • Engineered the SOA layer for the product with XML/SOAP webservices using OAuth authentication protocols/li>
  • Designed and developed advanced features like Payment Gateway Integration (Sisow- iDeal) & the Product Billing Framework/li>
  • Customized and integrated Apache JAMES (SMTP with Spring) mail server to receive emails and process the contents on the fly & transform them to platform functional resources


     Associate Software Engineer: June 2011 – Jan 2014
  • Played the role of Java developer primarily with Core Java and PHP and delivered 3 core components on the product like the Login System (Digest/SSO/OpenID/SAML), Application Gateways and File Management Module
  • Co-Developer for 4 other components in the product using Java J2EE and techniques like XML, XSD,XPath etc
  • Used SQL(MySQL) and NoSQL(HBase) backends for the product in the meantime
  • Did a training project on “Using Mobile phones as an Authentication token for Online
    Banking (A step to improve multi-factor authentication)” to improve the security on the same. Employed low-level technologies like SSL,Bluetooth[OBEX] & USB protocols




  • Beschikbaar: 01 mei 2019
  • Locatie: Randstad & Gelderland