Piotr Judycki - Lead Software Engineer

Q: Where is Piotr based?

Piotr is based in Wejherowo, Poland .

Q: What languages does Piotr speak?

Piotr speaks the following languages: Polish (Native), English (Advanced), German (Intermediate), French (Intermediate) .

Q: How many years of experience does Piotr have?

Piotr has at least 10 years of experience. During this time, Piotr has worked in at least 5 different roles and for 10 different companies . The average length of individual experience is 1 year and 11 months . Note that Piotr may not have shared all experience and actually has more experience.

Q: What is Piotr's latest experience?

Piotr's most recent position is Lead Software Engineer at OEC .

Q: What companies has Piotr worked for in recent years?

In recent years, Piotr has worked for OEC , GlobalLogic , Astek Polska , Lufthansa Systems , and Ryanair Labs .

Q: Which industries is Piotr most experienced in?

Piotr is most experienced in industries like Information Technology (IT) , Tourism and Hospitality , and Telecommunication . Piotr also has some experience in Automotive , Banking and Finance , and Transportation and Logistics .

Q: Which business areas is Piotr most experienced in?

Piotr is most experienced in business areas like Information Technology (IT) , Product Development , and Quality Assurance (QA) . Piotr also has some experience in Project Management , Supply Chain Management , and Research and Development (R&D) .

Q: Which industries has Piotr worked in recently?

Piotr has recently worked in industries like Information Technology (IT) , Tourism and Hospitality , and Automotive .

Q: Which business areas has Piotr worked in recently?

Piotr has recently worked in business areas like Information Technology (IT) , Project Management , and Product Development .

Recommended expert

Wejherowo, Poland

Experience

Jan 2025 - Dec 2025

1 year

Kraków, Poland

Lead Software Engineer

OEC

Developed, maintained and tested automotive projects related to parts management with Angular, Spring Boot and Apigee API
Used MyBatis, Swing and JGoodies frameworks
Migrated legacy code of frameworks and tools related to versioning, validation and conversion of data in authoring services managing parts, fluids and prices
Organized project in SCRUM methodology with Azure DevOps

Jan 2024 - Sep 2024

9 months

Gdańsk, Poland

Consultant

GlobalLogic

Designed, developed and tested IoT solution delivering UI, business logic and persistence tier for data retrieved by network of sensors
Built software platform on Spring Boot WebFlux with Apache Kafka (MSK) as event streaming and JOOQ as database mapping solution
Developed GitLab CI/CD pipeline with Terraform and Helm to automate infrastructure creation and perform Kubernetes (EKS) deployments

Jan 2023 - Aug 2023

8 months

Gdańsk, Poland

Consultant

Astek Polska

Full stack web development and maintenance of web application based on Websphere Liberty Profile with proprietary UI framework generating JavaScript code for invoice creation, edition and approval
Implemented backend business logic for semantic and syntactic validations of user inputs
Created flows and calls to invoke modules in monolithic architecture
Designed, developed and tested replication module implementing Self Contained Service architecture using Kafka Streams to log database modifications
Developed Mockito and JUnit tests with code coverage requirements
Applied object-oriented programming, SOLID and design pattern rules
Performed optimization, refactoring and static code analysis
Conducted code reviews and debugging in Eclipse and IntelliJ

Jan 2023 - Mar 2023

3 months

Gdańsk, Poland

Consultant

Lufthansa Systems

Continued project started in Astek Polska for Hapag-Lloyd
Worked on application responsible for employee shift scheduling
Developed REST endpoints in the backend based on Spring Boot

Jan 2022 - Jan 2023

1 year 1 month

Wrocław, Poland

Backend Developer

Ryanair Labs

Developed Java backend projects on AWS infrastructure using Spring Boot with Spring Cloud, DynamoDB, Hibernate, SQS, RDS, EC2, Lambda, CloudFront and CloudFormation
Performed data migration with MySQL and Aurora
Used Spring MVC and Reactor frameworks
Monitored logs with Kibana and New Relic
Developed DynamoDB-based tool to replicate data and improve performance

Jan 2022 - Jul 2022

7 months

Gdańsk, Poland

Consultant

Astek Polska

Developed and maintained web application based on JBoss AS with JSF and Hibernate for Hamburg Sud
Allowed business users to manage cargo vessels schedules
Worked in SCRUM methodology

Jan 2020 - Nov 2020

11 months

Gdańsk, Poland

Consultant

Maxima Europe

Designed and developed monitoring tool for State Street Corporation to control financial data and transactions (Spring Boot, Apache Kafka, Oracle DB, ReactJS)
Implemented Streams API, Consumer API and Producer API across multiple brokers and partitions
Handled REST API for data transfer between frontend and backend
Developed ReactJS application deployed on Spring Boot instance
Used Hibernate with HQL, JPQL and Criteria queries for persistence access

Jan 2019 - Sep 2021

2 years 9 months

Gdynia, Poland

Software Engineer

Vector Smart Data

Developed and maintained data acquisition system and monitoring center (JBoss AS, JSF, Hibernate)
Developed microservices handling domain-specific features using Spring Boot and REST
Worked in SCRUM methodology

Jan 2015 - Aug 2017

2 years 8 months

France

Software Engineer

Amadeus

Designed, developed and tested internal deployment software for company applications and data (SOA, J2EE, JBoss AS)
Maintained continuous integration workflows (Jenkins, Git Stash, Maven)
Rolled out quality assurance procedures (ALM, code review)
Supported release activities
Implemented solution replicating legacy application data stored in files and repositories to SQL database using SQL and JMS

Jan 2012 - May 2012

5 months

Grenoble, France

Research and Development Engineer

France Telecom Orange Labs

Researched and developed monitoring service of memory and processor resource usage on OSGI platform
Profiled threads and sampling methods in Java
Developed graphical interface to control services deployed on OSGI platform using Java, Ajax and C/C++
Detected malicious and low-quality bundles and implemented alerts and triggering
Used package resolver and applied Autonomic Manager system design
Worked with JVM and JVMTI APIs and native methods
Analyzed Felix OSGI environment and conducted performance tests with SIGPROF Unix signals to achieve high-accuracy sampling methods

Jan 2011 - Dec 2011

1 year

Paris, France

Software Engineer

Alcatel-Lucent

Introduced test framework to automate functional tests of wireless network provisioning application
Developed generator of technical documentation
Programmed in Java and Ruby; tested in Cucumber, XML and XSL
Worked in Agile Software Development and SCRUM (JIRA)
Developed with DocBook, XSL, XSLT and Apache FOP
Created Eclipse plugin (OSGI architecture) integrating semantic checks with proprietary IDE
Integrated with Hudson CI server and Maven build automation
Delivered gems and plugins to common repository
Designed test cases handling given-when-then logic
Wrapped kernel methods with JRuby on JVM and created domain-specific language for testing wireless management solution
Used Nexus for artifact deployment and SVN for source code management

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (6.5 years), Tourism (3.5 years), Telecommunication (1.5 years), Automotive (1 year), Banking and Finance (1 year), and Transportation (0.5 years).

Information Technology

Tourism

Telecommunication

Automotive

Banking and Finance

Transportation

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (10 years), Product Development (5.5 years), Quality Assurance (3.5 years), Project Management (1 year), Supply Chain Management (0.5 years), and Research and Development (0.5 years).

Information Technology

Product Development

Quality Assurance

Project Management

Supply Chain Management

Research and Development

Skills

Java
J2ee
Uml
Git
Alm
Ruby
Maven
Jenkins
Xml
Xsl
Html
Ajax
Jquery
Reactjs
Postgresql
Ms Sql
Oracle Db
Db2
Mysql
Aurora
Linux
Eclipse
Intellij Idea
Jboss As
Websphere Liberty Profile
Spring Boot
Spring Cloud
Drools
Apache Kafka
Amazon Web Services
Ec2
Lambda
Sqs
S3
Rds
Cloudformation
Cloudfront
Cognito
Dynamodb
Aurora
Azure Devops Services
Docker
Kubernetes
Helm
Terraform

Languages

Polish

Native

English

Advanced

German

Intermediate

French

Intermediate

Education

Oct 2010 - Jun 2012

Telecom Bretagne

Master of Engineering degree, majoring in Software Systems and Networks · Software Systems and Networks · Rennes, France

Oct 2007 - Jun 2012

Gdansk University of Technology

Master of Science degree in engineering, majoring in Computer Electronics Systems · Computer Electronics Systems · Gdańsk, Poland

Certifications & licenses

Oracle Certified Associate, Java SE 7 Programmer

Profile

Created

November 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Piotr based?

Piotr is based in Wejherowo, Poland.

What languages does Piotr speak?

Piotr speaks the following languages: Polish (Native), English (Advanced), German (Intermediate), French (Intermediate).

How many years of experience does Piotr have?

Piotr has at least 10 years of experience. During this time, Piotr has worked in at least 5 different roles and for 10 different companies. The average length of individual experience is 1 year and 11 months. Note that Piotr may not have shared all experience and actually has more experience.

What roles would Piotr be best suited for?

Based on recent experience, Piotr would be well-suited for roles such as: Lead Software Engineer, Consultant, Backend Developer.

What is Piotr's latest experience?

Piotr's most recent position is Lead Software Engineer at OEC.

What companies has Piotr worked for in recent years?

In recent years, Piotr has worked for OEC, GlobalLogic, Astek Polska, Lufthansa Systems, and Ryanair Labs.

Which industries is Piotr most experienced in?

Piotr is most experienced in industries like Information Technology (IT), Tourism and Hospitality, and Telecommunication. Piotr also has some experience in Automotive, Banking and Finance, and Transportation and Logistics.

Which business areas is Piotr most experienced in?

Piotr is most experienced in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA). Piotr also has some experience in Project Management, Supply Chain Management, and Research and Development (R&D).

Which industries has Piotr worked in recently?

Piotr has recently worked in industries like Information Technology (IT), Tourism and Hospitality, and Automotive.

Which business areas has Piotr worked in recently?

Piotr has recently worked in business areas like Information Technology (IT), Project Management, and Product Development.

What is Piotr's education?

Piotr holds a Master in Software Systems and Networks from Telecom Bretagne and a Master in Computer Electronics Systems from Gdansk University of Technology.

Does Piotr have any certificates?

Piotr has 1 certificate: Oracle Certified Associate, Java SE 7 Programmer.

What is the availability of Piotr?

Piotr is immediately available for suitable projects.

What is the rate of Piotr?

Piotr's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.