Professional Profile

Paweł Waręda

Expert Software Engineer · Kraków, Poland · 📱 (+48) 505509830

Expert Software Engineer with over 12 years of experience specializing in the design, development, and maintenance of complex distributed systems. Deep knowledge of the Java/Spring ecosystem with strong frontend experience in Angular, TypeScript, Swing, and GWT across maritime, aviation, banking, and GIS sectors. Focused on the full lifecycle of software delivery, combining resilient backend architectures with practical frontend solutions and high-performance systems.

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Key Highlights

  • 12+ years of commercial software engineering experience
  • Expert-level Java and Spring background with full-stack delivery experience
  • Hands-on work with microservices, containerization, and event-driven architecture
  • Strong frontend engineering skills with Angular, TypeScript, Java Swing, and GWT, enabling delivery of complete end‑to‑end applications
  • Built and maintained distributed systems across maritime, aviation, banking, and GIS domains
  • Worked on high-throughput messaging environments exceeding 100k messages per second
  • Mentored junior developers and collaborated with architecture teams on technical standards

Education

  • Master of Science in Economic Informatics — Economics University, Cracow, Poland (Graduated May 2009)

Professional Experience

Senior Software Engineer
Mespas
August 2019 – Present
  • Managed the full lifecycle of a distributed ecosystem including desktop (Swing), web (Angular), and mobile tablet applications for onboard engineers.
  • Designed robust synchronization mechanisms using ActiveMQ and State Machines.
  • Developed and maintained microservices running in Docker on Google Cloud Platform.
  • Supported business-critical procurement and fleet-related workflows in a distributed environment.
  • Mentored junior developers and collaborated with the architectural team.
Java Software Developer
Sabre
December 2016 – July 2019
  • Managed and provisioned Kafka resources on AWS and OpenShift.
  • Supported high-throughput systems processing over 100k messages per second.
  • Designed a communication layer using IBM WebSphere MQ.
  • Built custom monitoring and observability solutions via JMX, Prometheus, and Grafana.
Software Developer
Visiona
April 2015 – November 2016
  • Developed secure backend logic using Java and Oracle PL/SQL.
  • Built responsive, high-concurrency interfaces using JSF and JSP.
  • Worked on solutions supporting banking operations and automated device configuration.
Software Engineer
SmallGIS
May 2012 – February 2015
  • Developed surveyor software using C# and PostgreSQL.
  • Implemented high-speed search functionality for geoportals.
  • Built GIS-related solutions for professional and public-sector users.

Technologies & Skills