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Location

Poland

Rate

$40  / per hour

Years of experience

10+

About

I am an experienced Senior Java Architect and Lead Developer with a strong background in designing, developing, and leading the implementation of complex Java web applications. Over the years, I have taken on significant leadership roles, managing international teams of developers, proposing and implementing technical solutions, and ensuring the successful delivery of high-quality software products. My expertise includes working with Agile methodologies, leading Scrum teams, and setting up source code quality metrics to ensure consistent and reliable output. I have been involved in various high-profile projects, including developing microservices for car manufacturing supervision and banking application systems for identification and verification processes. In my previous roles at companies like Samsung, TomTom, and UniCredit Global Information Services, I was responsible for designing and developing a wide range of applications, from cloud-based services to data processing algorithms involving machine learning. My technical skills extend to cloud technologies, continuous integration, and various Java technologies, allowing me to optimize applications for better performance and scalability. I am also proficient in guiding and mentoring teams, ensuring that best practices are followed, and risks are effectively managed. My education in computer science and numerous certifications in Java and related technologies have further strengthened my ability to deliver robust, high-performance software solutions.

Tech Stack

Java, Agile, Angular, Bash, C, Docker, Hibernate, JavaScript, Jenkins, JUnit Testing Framework, Lead, PHP, REST, Scrum, Spring Framework, SQL, Swagger

Experience

  • Leading international teams of Java developers, planning work in Scrum iterations, moderating stand-ups, dispatching tasks, and reporting risks while ensuring high-quality code and effective collaboration.
  • Designing and developing Java web applications, including both front-end and back-end components, with a focus on high performance, scalability, and reliability.
  • Participating in architectural meetings, proposing solutions for application improvements, and creating technical designs for complex software systems.
  • Developing microservices architecture for various applications, including projects in the automotive and banking industries, ensuring modularity and ease of maintenance.
  • Designing, developing, and deploying applications in cloud environments (e.g., Amazon Cloud), leveraging cloud services for scalable and resilient application architectures.
  • Designing algorithms for data pattern recognition and integrating machine learning patterns into data processing systems to enhance functionality and performance.
  • Setting up and managing continuous integration pipelines (e.g., Jenkins, Sonar) and establishing source code quality metrics to maintain high standards in software development.

Employment history

Senior Architect Programmer (JAVA) / Lead Java Developer, Java Architect, DXC / Hewlett Packard Enterprise September 2018 – Present
  • Developing Java web applications and microservices.
  • Technical leadership of an international team of Java developers, including task planning and dispatching.
  • Designing technical solutions, reporting risks, and proposing mitigations.
  • Participating in architectural meetings and proposing solutions for application improvements.
  • Setting up source code quality metrics and organizing brainstorming sessions.
  • Reviewing source code to ensure adherence to best practices and quality standards.
  • Creating geospatial functions for data corrections.
Programmer (JAVA) / Lead Java Developer, Java Architect, DXC / Hewlett Packard Enterprise September 2015 – August 2018
  • Developing Java web and CLI applications.
  • Leading a team of 3 Java developers, planning work in Scrum iterations.
  • Moderating stand-up meetings, dispatching tasks, and reporting risks.
  • Proposing technical and organizational solutions to challenges.
  • Creating technical designs for applications and participating in architectural meetings.
Senior Software Engineer (Java) / Project Leader, Samsung September 2013 – August 2015
  • Designing and developing web services, command-line applications, and distributed applications.
  • Establishing and running applications in the Amazon Cloud.
  • Advising junior developers and sharing knowledge within the team.
  • Leading a team of 4 people, managing task assignments, and ensuring timely delivery.
  • Communicating effectively within an international team and between different international teams.
Senior Software Engineer (JAVA), TomTom October 2009 – August 2013
  • Designing and developing applications for processing and analyzing large volumes of data.
  • Developing algorithms for data pattern recognition and integrating machine learning patterns.
  • Optimizing applications to reduce processing time and improve performance.
  • Working in an Agile environment and advising junior developers on best practices.
  • Reporting risks and ensuring tasks are completed within the correct technical path and time frame.
Web Developer (Analyst Programmer) (JAVA), UniCredit Global Information Services September 2007 – September 2009
  • Maintaining and developing a B2E intranet portal for 120,000 employees.
  • Developing intranet and internet web services in an international team according to specifications.
  • Managing a team of three developers, overseeing task assignments and project timelines.
  • Reporting risks and ensuring the successful completion of projects.
  • Proposing and implementing solutions for application improvements and optimizations.
Developer (JAVA), AMG.net March 2006 – August 2007
  • Programming web services and internet applications.
  • Supervising the work of trainees and junior developers.
  • Creating dynamic components (DHTML) for web pages and ensuring compliance with XHTML 1.0 standards.
  • Developing B2B e-commerce solutions for major clients, including Orange and BRE Bank.
Owner, Own Business January 2005 – February 2006
  • Planning and executing marketing activities for the business.
  • Designing and creating web services and internet applications for clients.
  • Managing client relationships and ensuring satisfaction with delivered projects.
  • Administering Linux servers and managing hosting services.
PHP Programmer / Webmaster, InterData August 2001 – June 2004
  • Designing and creating web services and internet applications for various clients.
  • Maintaining client relationships and providing ongoing support for web services.
  • Developing a web service for selling newspapers online with SMS payment integration.
  • Creating a CRM system for managing customer relationships and data.
PHP Programmer / Webmaster, Telmedia May 2000 – July 2001
  • Designing, developing, and optimizing e-commerce web services.
  • Administering web services and ensuring their availability and performance.
  • Developing custom web applications to meet client needs.
C/PHP Programmer, PiK September 1999 – April 2000
  • Designing, developing, and optimizing e-commerce web services.
  • Administering web services and ensuring their availability and performance.
  • Programming in C and PHP for various client projects.

Education history

University of Lodz, Faculty of Mathematics 2002 – 2004 M. Sc. in Computer Science
University of Lodz, Faculty of Mathematics 1999 – 2002 B. A. in Computer Science
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