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Location

Poland

Rate

$36  / per hour

Years of experience

20+

About

I have a robust background in software development and project management, spanning various industries such as healthcare, hospitality, and financial services. With over two decades of experience, I have honed my skills in developing and managing sophisticated systems and applications. My expertise includes a wide array of technologies including Java, Kotlin, React, HTML, SQL databases like MySQL and PostgreSQL, and cloud platforms such as AWS. I have successfully led teams in implementing RESTful APIs, microservices architectures, and serverless solutions, contributing to the seamless integration of complex backend infrastructures. Throughout my career, I have undertaken numerous projects, from designing backend solutions for health monitoring applications to implementing custom modules for online payment platforms. I have also played a pivotal role in the deployment and maintenance of critical systems for leading global companies, ensuring high availability and scalability. My certifications as a Certified SCRUM Master and Sun Certified Programmer underscore my commitment to delivering innovative solutions and my proficiency in agile methodologies.

Tech Stack

Java, C++, JavaScript, Kotlin, React

Experience

  • Experience in developing and managing software solutions specifically tailored for spa industries, encompassing a wide range of technologies and practices.
  • Proficiency in a diverse set of technologies including Java, Kotlin, React, HTML, SQL (MySQL, PostgreSQL), and various operating systems (Windows, Linux, OSX).
  • Hands-on experience with AWS cloud services, including deployment and management of applications in AWS environments.
  • Design and implementation of microservices architectures, enhancing scalability and flexibility of systems.
  • Responsible for managing and configuring backend infrastructures, including HA clusters and databases like MongoDB.
  • Designing and developing RESTful APIs for seamless communication between different components of applications.
  • Leading teams in project execution, ensuring effective collaboration, and achieving project milestones within specified timelines and budgets.

Employment history

Freelance, Contracting 2008 - Present
Senior Java Developer / ScrumMaster, Tieto August 2007 - September 2008
  • Responsible for NetAct Customization project for Nokia Siemens Networks, managing GSM network elements.
  • Managed a team of developers, including recruitment, progress reporting, and core implementation.
  • Implemented core elements and provided onsite support in Leipzig office.
IT Consultant, Poeware January 2007 - August 2007
  • Configured and deployed ORGA Billing System for T-Mobile Italy and T-Mobile Brasil.
  • Recruited developers for various projects and implemented applications using GWT and Spring frameworks.
  • Developed report applications for Amazon.de using Java and Spring.
Senior Java Developer, Siemens March 2006 - January 2007
  • Designed and developed 2G/3G network configuration tool (CM*), supporting onsite developers in Leipzig.
  • Recruited developers and managed their integration into the project team.
Team Leader, Comarch February 2005 - December 2005
  • Managed a team of developers in designing and prototyping Real Time Billing System based on Parlay OSA API (Java, C++, CORBA).
  • Recruited developers and coordinated their efforts in project development.
Test Manager / Test Engineer, Comarch September 2004 - December 2004
  • Tested R&D handheld devices and implemented automated test modules for Symbian platform.
  • Managed test execution for prototype handheld devices and supervised a team of testers.
Java Developer, Comarch January 2004 - September 2004
  • Designed and developed GSM network configuration system with real-time fault management for O2 Germany.
  • Part of the InsightNet project team, focusing on system reliability and performance.
Web Applications Developer, Bankier.pl, Cubeteam.com, Internet Designers, Travelplanet.pl June 2000 - November 2003
  • Developed and maintained bankier.pl and travelplanet.pl websites.
  • Implemented web-based intranet systems for various organizations.
  • Contributed to the development and maintenance of web applications across multiple domains.

Education history

Technical University of Wroclaw 1998 - 2003 Maste of Science, Software Engineering
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