Robert Raźniewski - Software Developer for Delphi and Java

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Szczecin, Poland

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Experience

Feb 2025 - Present

1 year 10 months

Software Developer

Fima Maschinenbau GmbH

Further development of an internal application.
Adaptation of existing functionality, bug fixing, and development of new features.
Multithreading, technical calculations in fluid engineering, graphics, data import/export, and reading data from measuring devices in separate threads.
Delphi 12, FireDAC, parallel programming, multithreading, communication over IP and serial bus.
Development, bug fixing, testing, documentation.

Jul 2024 - Apr 2025

10 months

Software Developer

Maenken Systems

Development of a data transmission system for ARM architecture with Lazarus and client software with Delphi.
Delphi, Lazarus, ARM, Cross Compiling, Multithreading, REST, HTTP, Git, GitLab.
Architecture, analysis, development, testing, documentation.

Jan 2024 - Dec 2025

2 years

Germany

Lecturer

Werft der Bundesmarine

Taught several courses in Delphi/Firebird (introduction, advanced topics, complex topics) to employees of a German Navy shipyard.
Training design, delivery, and consulting on database and software architecture.
Delphi 12, FireDAC, Firebird.
Training, consulting, idea generation.

Sep 2023 - May 2024

9 months

Software Developer

MyWarm

Development of a software system for optimizing the distribution of energy quantities in heating systems.
PHP, MySQL, Bitrix, Git, GitLab.
Architecture, analysis, development, testing, documentation.

Jun 2023 - Feb 2024

9 months

Vienna, Austria

Architecture Consultant

Bundesministerium für Klimaschutz, Umwelt, Energie, Mobilität, Innovation und Technologie

Consulting on architecture, performance, deployment, and interfaces in Section V: Environment and Circular Economy.
Java, Spring, OpenAPI, Python, Jira, Confluence, Camunda, GitHub, ITIL.
Architecture, analysis, requirements analysis, new concepts, consulting, UX testing, documentation.

Feb 2022 - Nov 2022

10 months

Software Developer

Immobilien Service Deutschland

Development of new features in Dispotafel - a tool for planning cleaning and service assignments.
Design and redesign of the user interface.
Design and implementation of the SOAP client for the compensation and commission calculator.
Definition of the WSDL file, database interface, and data migration.
Delphi 10, 11, Informix, Firebird, Java, Maven, SOAP, DevExpress, JCL, TMS, GitHub.
Development, testing, documentation.

Nov 2021 - Mar 2022

5 months

Lead Developer / Coach

Bayer CropScience

Further development of a mobile application and its backends for farmers to calculate fertilizer and fungicide quantities.
Analysis of the existing solution and backlog.
Backend: replacement of a monolith and implementation of microservices.
Frontend: adjustments to the user interface based on the product owner's requirements.
Implementation of a Kafka client and expansion of the unit tests.
Handover of the project to a development team, support for the team, and documentation.
Java, PHP, Spring/Spring Boot, Hibernate, Kafka, Microservices, Liquibase, Maven, AWS, GraphQL, Cloud, REST, JSON, XML, Git, GitLab, DevOps, CI/CD, Docker, JavaDoc, React Native, Agile, JavaScript.
Architecture, analysis, requirements analysis, lead developer, testing, documentation, support for the team during the handover of development, leading, coaching.

Jun 2021 - Dec 2021

7 months

Lead Developer

Ostermann.de

Project and implementation of an interface (Microservice Architecture) between the existing enterprise resource planning system and a new version of the ERP system.
Analysis of data formats and design of the ORM models.
Design and implementation of a converter for data import and export.
Design and implementation of a backend application and expansion of the unit tests.
PHP7, Laravel, MySQL, Eloquent, PHPStorm, Java, Spring/Spring Boot, Spring Batch, Spring Cloud Stream, Kafka, Maven, Microservices, REST, jQuery, JSON, XML, SCRUM, Agile, Git, GitHub, CI/CD, PHPDoc.
Architecture, lead developer, analysis, requirements analysis, testing, performance and load testing, middleware implementation, documentation.

Jan 2021 - May 2023

2 years 5 months

Vienna, Austria

System Administrator / Consultant

Stadtamt Wien

Configuration, customization, and testing of the web server, load balancer, and CraftCMS landscape.
Creation of documentation and consulting on architecture and performance.
PHP7, Laravel, Nginx, RedHat Linux, CraftCMS, Docker, Kubernetes, Terraform, Jira, Confluence, GitHub, ITIL.
Architecture, analysis, configuration, consulting, testing, documentation.

Feb 2020 - Present

6 years 10 months

Software Developer

Privatprojekt

Smart Home with Arduino and Raspberry Pi, development of a central server and several clients for a smart home system.
As a sandbox for new technologies: architecture, development, deployment, and testing of clients, servers, and frontends in a heterogeneous environment with event-driven architecture.
Database architecture and optimization of database queries.
Java, Spring/Spring Boot, Spring Cloud Stream, Symfony 7, Yii2, Delphi Berlin, Angular, Typescript, jQuery, Groovy, microservices, Maven, MySQL, Firebird/Interbase, FireDAC, Kotlin, UML, REST, JSON, XML, Twig, PHPDoc, Arduino C, Arduino FreeRTOS, Lumen, Hibernate, Kafka, MongoDB, MQTT, Symfony Workflow, Symfony Messenger, IBM MQ, AWS, Grafana, Camunda, CI/CD, Design Patterns.
Architecture, requirements analysis, development, testing, TDD, BDD, commissioning, maintenance, DevOps, Terraform, Docker, Kubernetes, preparation and maintenance of pipelines for testing and rollout.

Feb 2020 - Sep 2022

2 years 8 months

Hanover, Germany

Lead Developer

Zentrale Polizeidirektion Niedersachsen

Upgrade of a legacy system (management of internal resources, applications, events, data transfer and backup, reports) from PHP 5 to PHP 7.
Static analysis of the codebase and identification of the parts of the code that needed to be refactored.
Implementation of a new database interface, adaptation of external interfaces.
Design and implementation of the objects replacing the existing logic.
Replacement of global variables, unit tests, integration tests and bug fixing.
Security Identification Management via a REST API interface.
PHP5+7, internal MVC framework based on Laravel, MySQL, Security Identification Manager, Eloquent, PHPStorm, Jenkins, REST, JSON, XML, SCRUM, Agile, Git, GitLab, SVN, SVN Hook Scripts, PHPDoc, DevOps, Docker, Kubernetes.
Architecture, analysis, requirements analysis, upgrade of a legacy system from PHP5 to PHP7, Lead Developer, refactoring, testing, TDD, middleware implementation, migration, documentation.

Dec 2019 - Jan 2020

2 months

Backend Developer

Aboutyou.com

Backend development of a retail platform.
Analysis of the transaction system's weaknesses and design of countermeasures.
Development of a module for calculating delivery times based on data about orders, delivery addresses and transport companies.
Development of a module for Google Analytics and expansion of unit tests.
PHP5+7, Internal MVC Framework based on Symfony, Microservices, OAuth2, MySQL, PHPStorm, AWS, Cloud, REST, Python, Docker, Kubernetes, Symfony Workflow, JSON, XML, SCRUM, Agile, Git, GitLab, Grafana, PHPDoc.
Analysis, refactoring, development, debugging, testing, unit tests, performance and load tests.

Jan 2019 - Nov 2019

11 months

Hamburg, Germany

Software Developer / Scrum Coach

Stulz

Development of a platform for service management.
Development of an import tool for customer master data and new features for the deployment calendar.
Development of a REST client, implementation of a tracking module and unit tests.
PHP7, Laravel, MySQL, Eloquent, Microservices, PHPStorm, Bootstrap, REST, JSON, Angular, Typescript, jQuery, Docker, XML, SCRUM, Agile, Git, GitHub, PHPDoc, Design Patterns.
Analysis, refactoring, development, middleware implementation, Scrum coaching.

Sep 2018 - Dec 2018

4 months

Software Developer

Skon.de

Development of a platform for managing retail incentives.
Development of a price and incentive calculator accessed as a REST server.
Implementation of unit tests.
PHP7 (PHP7.2), MySQL, JavaScript, Angular, Typescript, Bootstrap, PHPStorm, REST, JSON, XML, OAuth2, SCRUM, Git, Bitbucket, Docker, Kubernetes, internal framework developed based on Symfony 4, Twig, PHPDoc.
Analysis, refactoring, development.

Sep 2018 - Nov 2018

3 months

Lead Developer / Architect

Agrora.market

Development of a prototype of an agricultural trading platform through to the live version.
Architecture and development of the platform in the frontend and backend.
Development of a REST client for stock exchange server APIs.
Implementation of unit tests.
PHP7 (PHP7.2), MySQL, Microservices, JavaScript, Angular, Typescript, jQuery, Bootstrap, PHPStorm, Python, UML, REST, JSON, XML, SCRUM, Git, GitHub, Docker, Kubernetes, Symfony 3+4, Twig, PHPDoc, DevOps, Selenium, Architecture Patterns, Design Patterns.
Architecture, requirements analysis, refactoring, development, testing, unit tests, UX tests, preparation of pipelines in CI/CD, Scrum coaching, Lead Developer.

Sep 2018 - Oct 2018

2 months

Software Developer

Mobilcom-debitel

Co-development, refactoring, and bug fixing of the existing backend system for shop billing.
Migration of the codebase from Delphi 5 to Delphi Berlin.
Development of modules for price calculation, inventory calculation, and data synchronization between the central server and shops.
Delphi Berlin, Delphi 5, Firebird, IB Expert, UniDAC, FastReport, C#, .NET, XML, SOAP, GitHub, JIRA, SCRUM.
Analysis, refactoring, development.

Jun 2018 - Aug 2018

3 months

Software Developer

Optica.de

Co-development and refactoring of the existing backend system for health insurance billing.
Development of modules for delivering data on services provided as XML files.
Refactoring of a monolith towards microservices and implementation of unit tests.
PHP5, Zend, MySQL, JavaScript, Angular, Typescript, Redmine, SVN, SVN Hook Scripts, PHPStorm, REST, JSON, Docker, Kubernetes, Refactoring, XML, SCRUM.
Analysis, refactoring, development, further development of legacy code.

Apr 2018 - Jun 2018

3 months

Software Developer

Finanzcheck.de

Development and refactoring of the existing backend system for credit consulting.
Development of a price and interest comparison platform for banking products.
PHP5, Symfony3, MySQL, Propel, MongoDB, Grafana, JavaScript, Jira, Git, Bitbucket, PHPStorm, REST, JSON, XML, SCRUM, Docker, Kubernetes, PHPDoc.
Analysis, refactoring, development.

Mar 2018 - May 2018

3 months

Lead Developer / Architect

Yas.life

Design and architecture of a multi-tenant backend environment for a fitness app.
Implementation of a guideline for the development team and adaptation of the database.
Support for the development team.
Java, Spring, Spring Boot, UML Swing, Microservices, Hibernate, MongoDB, Grafana, OAuth2, Jenkins, CI/CD, Jira, Git, GitHub, Docker, AWS, Cloud, Kubernetes, REST, JSON, SCRUM, Maven, JavaDoc, Architecture Patterns.
Architecture, requirements analysis, refactoring, TDD, lead developer.

Sep 2017 - Mar 2018

7 months

Software Developer

DBConnect

Development, refactoring, and bug fixing in a booking and tracking system for car sharing and city bikes.
Implementation of a price calculator as a SOAP server.
PHP4, PHP5, MySQL, Jira, SVN, Git, PHPStorm, JavaScript, Typescript, REST, XML, JSON, Docker, Smarty, SCRUM.
Development, code reviews, analysis, refactoring (from monolith to microservices), further development of legacy code, testing, unit tests, UX tests, debugging.

Oct 2016 - Aug 2017

11 months

Backend Developer / Architect

AirBerlin

Development, refactoring, and optimization of a new version of the booking/tracking system for airports (Shopping, Booking, Payment).
Extensive use of SCRUM/SAFe.
Development of interfaces to external systems (Amadeus, Comarch, Sixt) and server-side programming for the frontend.
Import/export of loyalty program cards using batch programming and Cron Jobs.
Security Identification Management via a REST API.
Java, Spring/Spring Boot, Spring Batch, Swing, Hibernate, Kafka, Elasticsearch, Microservices, Jira, Jenkins, Git, PHP, PHPStorm, Perl, Cron, UML, REST, XML, JSON, SOAP, RIAK, Redis, OAuth2, Security Identification Manager, Angular, Typescript, JavaScript, Splunk, Google Analytics, SCRUM, Scrum SAFe, JavaDoc, Maven, Docker, Kubernetes, Design Patterns.
Architecture, development, code reviews, analysis, refactoring, legacy code migration, testing, unit tests, performance and load tests, Selenium, debugging, 3rd level support.

Apr 2015 - Sep 2016

1 year 6 months

Lead Developer / Architect / Scrum Master

Rieber.de

Development of an intelligent food flow system according to HACCP rules.
Backend services accessible through cockpit and mobile apps.
Refactoring of the cockpit with AngularJS using the responsive design paradigm.
Implementation of asynchronous calls for various sensors to report temperatures.
Symfony controllers with REST interfaces for XML/JSON data transfer.
Frontend adjustments with HTML, CSS, and JavaScript, and preparation of the pipelines for roll-out.
PHP (PHP5), Symfony2, MySQL, Microservices, Jira, Jenkins, Docker, Kubernetes, CI/CD, Git, PHPStorm, UML, Smarty, REST, XML, JSON, AngularJS, JavaScript, Ajax, HTML, CSS, OAuth2, PHPDoc, DevOps, Azure, Cloud, Responsive Design, Design Patterns, Architecture Patterns.
Architecture, lead development, creation of project plans, code reviews, analysis, refactoring, legacy code migration from monolith to microservices, testing, debugging, preparation and maintenance of CI/CD and Docker pipelines, Scrum Master, Scrum coaching.

Jan 2015 - Apr 2015

4 months

Software Developer

Modix.de

Various development tasks in the client's system.
PHP, Zend, MySQL, Jira, SVN, Zend Studio, Docker, Smarty.
Development, code reviews, analysis, refactoring, legacy code migration, testing, debugging.

Oct 2014 - Dec 2014

3 months

Software Developer

Clickbus.de

Co-development of a price comparison platform and a booking portal for long-distance bus travel.
Reading price lists via REST and SOAP interfaces.
Development of new features, debugging, code reviews.
PHP, Symfony2, MySQL, OAuth2, LDAP, Twig, PHPUnit, PHP Code Sniffer, jQuery, SOAP, REST, Microservices, Docker, Kubernetes, Jira, SCRUM, PHPDoc.
Development, refactoring, debugging.

Jun 2014 - Sep 2014

4 months

Software Developer

Modix.de

Migration of a trading tool for new and used cars from ISO to UTF-8.
Adaptation of the relevant functions in the code and the interfaces to external systems.
PHP4+5, Zend, MySQL, Jira, LDAP, REST, SVN, Zend Studio, Smarty, Docker.
Code reviews, analysis, refactoring, legacy code migration, testing.

Jan 2014 - May 2014

5 months

Karlsruhe, Germany

Backend Developer

Flagbit.de

Backend development for a billing system for energy supply.
Entering and reading price lists via a REST interface.
Documentation of the interface with Swagger.io.
PHP, Symfony2, Doctrine, YAML, Twig, REST, Swagger.io, Angular, Typescript, Jenkins, Git, Jira, Plan.io, Docker, PHPStorm, PHPDoc, Sphinx, Confluence.
Development, testing.

Dec 2012 - Nov 2013

1 year

App Developer

Naturheilpraxis

Development of an iOS app for scheduling patient visits (calendar).
Objective-C, iOS, OOD/OOP, SCRUM, Xcode.
Scrum Member, Implementation.

Nov 2012 - Nov 2013

1 year 1 month

Wolfsburg, Germany

Software Architect / Developer

Volkswagen AG

Design and architecture of a report generator for a module database.
Definition of reports with YAML scripts, engine in PHP5.
Graphical representation of the structure of the modules and process flows.
Implementation of a PDF generator and a REST client for transferring data to a DMS server.
Maintenance of an archive of images of the modules.
OOD/OOP, PHP, MySQL, YAML, UML, REST, Regular Expressions, Wiki, OTRS, SVN, SVN Hook Scripts, Archive (internal VW DMS).
Architecture, implementation, testing.

Nov 2011 - Oct 2012

1 year

Software Architect / Developer

Fabrykagier.pl

Development of a universal interface between the frontend and social platforms (Facebook, Google+).
Definition of game assets and measurement of backend load.
Automatic startup of cloud servers and modules for monetization.
Architecture and development of a lightweight MVC framework for performance.
OOD/OOP, UML, PHP5, Apache, Nginx, REST, MVC, JSON, MySQL, MongoDB, Memcached, Jenkins, SVN, GitHub, TDD, Unit Tests, Facebook API, HTML, CSS, SCRUM, Eclipse, NetBeans.
Scrum Member, Design, Architecture, Implementation.

Mar 2010 - Mar 2011

1 year 1 month

Backend Developer

Vivio.pl

Architecture and implementation of the backend for a Facebook game.
Design of a sharded database in Amazon Cloud.
Implementation of communication between the frontend (Flash) and backend using AMF.
OOD/OOP, PHP, Zend, Apache, SQL, REST, AWS, EC2, Sharding, AMF, UML, Basecamp, SVN, SCRUM, Eclipse.
Scrum Member, Architecture, Implementation, Testing.

Feb 2009 - Mar 2010

1 year 2 months

Software Architect

Baulabor

Project for a workflow system for a laboratory conducting investigations in the construction industry.
OOD, UML.
Architecture.

Mar 2007 - Mar 2010

3 years 1 month

Szczecin, Poland

Project Manager / Software Architect

Espol.pl

Design, implementation and maintenance of a web-based billing system for Triple-Play billing.
Creation of offers, contracts, invoices and import of bank statements.
Creation of configuration files for Access Servers and Access Points.
Access and Shape control via RADIUS as well as mapping of the topology.
OOD/OOP, PHP4+5, MySQL, HTML, CSS, JavaScript, Wiki, Redmine, UML, Design Patterns, Smarty, SVN, MVC, RADIUS, REST, SOAP, XML, Eclipse.
Concept, architecture, implementation, testing, maintenance, project management.

Jan 2006 - Dec 2007

2 years

Consultant / Software Architect

Institut für Paläobiologie

Consulting on the development of a database of animal species and integration of existing archives.
Creation of an architecture for the long-term usability of the knowledge base through continuous migration.
DMS, various file system archives, MediaWiki, migration scripts.
Design, architecture, consulting.

Jan 2006 - Dec 2006

1 year

Szczecin, Poland

Software Developer

Hausärzte

Porting of a system for general practitioners to PHP5 (patient database, calendar, digital patient record, report generator).
Transfer, conversion and cleansing of patient data from a mainframe for new private clinics.
PHP, MySQL, HTML, JavaScript, Mainframe, File System, Refactoring.
Implementation, migration.

Jan 2006 - Dec 2006

1 year

Software Developer

IIS/ISAPI

Development of a framework for content management based on IIS/ISAPI.
Delphi, Pascal, IIS.
Development, testing.

Jan 2005 - Dec 2005

1 year

Software Developer

City Courier Company

Development of a module in a database application for managing orders and courier dispatch.
Delphi, Pascal, TCP/IP.
Implementation.

Jan 2005 - Dec 2005

1 year

Software Developer

IIS

Development of a mail tool for storing and sending emails from a web framework.
Logging of events and creating reports.
Development of an administrator panel in PHP4.
OOD/OOP, Delphi, Pascal, Interbase, SQL, HTTP, PHP.
Implementation.

Jan 2005 - Dec 2005

1 year

Software Developer

Optics Workshop

Development of a 3-layer application for an optics workshop.
Data modeling, implementation of stored procedures, user interface, and application server.
Development of the transmission protocol.
OOD/OOP, Delphi, Pascal, Firebird, SQL, HTTP, TCP/IP, 3-layer.
Implementation.

Jan 2005 - Dec 2005

1 year

Software Architect / Developer

TCP/IP Transmission

Development of a software package for TCP/IP transmission as Delphi components.
Multithreaded server for binary data streams with event logging.
Delphi, Pascal, TCP/IP, Multithreaded Architecture, 3-layer.
Architecture, implementation.

Jan 1998 - Dec 2008

11 years

Software Architect / Developer

Family Doctor System

Development of a complex system for family doctors (visit management, patient records, medications, reports).
Innovative editor for digital patient records based on the WONCA ICPC principle.
OOD/OOP, Delphi, Interbase/Firebird, Pascal, SQL.
Concept, architecture, implementation, testing, maintenance, sales.

Jan 1997 - Dec 2004

8 years

Software Architect / Developer

Hospitals

Object-oriented database for managing graphic and multimedia data.
Interfaces to image formats (DICOM, JPG) and medical measuring devices.
Parser for HL7 files, search engine, and dynamic input forms.
OOD/OOP, Delphi, Interbase, Pascal, SQL, HL7, DICOM.
Architecture, implementation, testing.

Jan 1997 - Dec 1998

2 years

Software Developer

Online Shop

Backend development for an online shop to manage inventory, ordering, and document creation.
Delphi, Interbase, Pascal, SQL, Stored Procedures, Triggers.
Implementation.

Jan 1996 - Dec 1996

1 year

Szczecin, Poland

IT Manager

Tandem GmbH

Introduction and maintenance of a complex solution for the leasing sector.
BackOffice Server, Interbase, Crystal Reports, LEO.
Introduction, training, maintenance, configuration.

Jan 1995 - Dec 1997

3 years

Szczecin, Poland

IT Manager

Passenger Car Dealership

Organization of an inventory management system and development of a system for new car sales.
Delphi, Pascal, SQL, Windows, MS-Access.
Project management, implementation.

Jan 1992 - Dec 1995

4 years

Dortmund, Germany

Software Developer

Quantum

Creation of tool modules for inventory management systems.
Development of a report generator as an interpretable BASIC-like language.
Development of a Management Information System.
C, C++, Lex/Yacc, Regular Expressions, SQL, Unix.
Implementation, testing.

Jan 1990 - Dec 1992

3 years

Berlin, Germany

Software Developer

Mikrodata

Development of data transmission software for processors and frontend software for building management systems.
Assembler, Pascal.
Implementation.

Jan 1988 - Dec 1990

3 years

Software Developer

Computersoftware

Development of tools and communication software for Z80 and I8088 processors.
Assembler.
Implementation.

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Healthcare, Automotive, Government and Administration, Retail, and Aerospace and Defense.

Information Technology

Healthcare

Automotive

Government and Administration

Retail

Aerospace and Defense

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, Quality Assurance, Project Management, Supply Chain Management, and Logistics.

Information Technology

Product Development

Quality Assurance

Project Management

Supply Chain Management

Logistics

Skills

Java
Delphi
Php
Backend
Api
Rest
Database
Architecture
Scrum
Frontend
Java (8, 11, 17)
Php 4-8
Delphi (3, 4, 5, Berlin, Tokyos)
Kotlin
C/C++
Objective-C
C#
Groovy
Lex/Yacc
Assembler
Python
Perl
Html
Css
Javascript
Jquery
Vue.Js
React
Angular
Typescript
Bootstrap
Ajax
Smarty
Twig
Apache
Nginx
Thymeleaf
Swing
Windows
Unix (Solaris, Aix, Freebsd)
Linux (Ubuntu, Redhat, Debian)
Osx
Freertos
Mysql
Mariadb
Postgresql
Firebird/Interbase
Firedac
Unidac
Ms-Sql
Mongodb
Oracle
Informix
Graphql
Doctrine
Eloquent
Jdbc
Propel
Riak
Liquibase
Hibernate
Redis
Kafka
Mqtt
Ibm Mq
Splunk
Memcached
Security Identification Manager
Elasticsearch, Elastic Stack
Data Modeling
Stored Procedures, Triggers
High-Performance Queries
Sharded Architecture
Fastreport
Crystal Reports
Open Source Dms (Document Management Systems, Archives)
Tcp/Ip (Blocking Sockets, Non-Blocking, Events)
Delphi Indy 9, Indy 10 And Ics
Amf (Action Message Format)
Rest
Soap
Swagger, Openapi
Mqtt
Ci/Cd
Jenkins
Devops, Devsecops
Clean Code, Dry, Kiss, Solid
Agile
Scrum, Scrum Safe
Basecamp
Mite
Plan.Io
Git
Bitbucket
Svn
Svn Hook Scripts
Gitlab
Github
Wiki
Continous Integration
Redmine
Jira
Confluence
Eclipse
Netbeans
Phpstorm
Intellij Idea
Xcode
Spring/Spring Boot (Java)
Spring Cloud Stream (Java)
J(2)Ee
Codeigniter (Php)
Zend (Php)
Symfony (Php)
Symfony Components (Workflow, Messenger, ...)
Laravel (Php)
Yii2
Drupal
Middleware
Lumen (Php)
Vcl (Delphi)
Devexpress (Delphi)
Jcl (Delphi)
Fastreport (Delphi)
Tms (Delphi)
Tomcat
Vagrant
Docker
Kubernetes
Terraform
Grafana
Camunda
Object-Oriented Development (Oop)
Ddd
Uml
Phpdoc
Legacy Code
Client-Server Architecture
Microservices
Front- And Back-End Logic
Design And Implementation Of Delphi Components
.Net
Dicom And Hl7
Image Processing
Regular Expressions
Design Patterns
Architecture Patterns
Mvc Architecture
Radius
Aws, Cloud
Azure, Cloud
Json
Yaml
Xml
Tdd (Test Driven Development)
Unit Testing, Class Testing
Ux Testing, Selenium
Performance, Load Testing
Bdd
Oauth2
Ldap
Phpunit
Junit
Itil

Languages

Polish

Native

German

Advanced

English

Advanced

Education

Oct 2013 - Jun 2014

Postgraduate studies · IT project management

Oct 1985 - Jun 1990

Technical University in Szczecin

Diploma, Electronics · Electronics · Szczecin, Poland

Sep 1981 - Jun 1985

Secondary school

Szczecin, Poland

Certifications & licenses

EU-DSGVO OK!

Statistics

Experience

Total positions 47

Experience in Information Technology 19.5 y

Avg length 1 y 7 m

Longest experience 10 y 11 m

Global experience

Countries worked in 3 (Germany, Poland, Austria)

Primary country Germany

Expertise

Recent roles Software Developer, Lecturer, Architecture Consultant

Main industries Information Technology, Healthcare, Automotive

Main business areas Information Technology, Product Development, Quality Assurance

Qualifications

Highest degree Master

Certifications earned 1

Member since

August 2025

Last update

October 2026

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Frequently asked questions

Have questions? Find more information here.

Robert is based in Szczecin, Poland and can operate in on-site, hybrid, and remote work models.

Robert speaks the following languages: Polish (Native), German (Advanced), English (Advanced).

Robert has at least 38 years of experience. During this time, Robert has worked in at least 17 different roles and for 46 different companies. The average length of individual experience is 1 year and 10 months. Note that Robert may not have shared all experience and actually has more experience.

Based on recent experience, Robert would be well-suited for roles such as: Software Developer, Lecturer, Architecture Consultant.

Robert's most recent position is Software Developer at Fima Maschinenbau GmbH.

In recent years, Robert has worked for Fima Maschinenbau GmbH, Maenken Systems, Werft der Bundesmarine, MyWarm, Bundesministerium für Klimaschutz, Umwelt, Energie, Mobilität, and Innovation und Technologie.

Robert is most experienced in industries like Information Technology, Healthcare, and Automotive. Robert also has some experience in Government and Administration, Retail, and Telecommunication.

Robert is most experienced in business areas like Information Technology, Product Development, and Quality Assurance. Robert also has some experience in Project Management, Supply Chain Management, and Logistics.

Robert has recently worked in industries like Information Technology, Government and Administration, and Aerospace and Defense.

Robert has recently worked in business areas like Information Technology, Product Development, and Quality Assurance.

Robert holds a Master in Electronics from Technical University in Szczecin.

Robert has 1 certificate: EU-DSGVO OK!.

Robert is immediately available full-time for suitable projects.

Daily rate distribution

0% 25% 50% 75% 100%

<€320 €320-480 €480-640 €640-800 €800-960 €960+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

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600

400

200

Daily rate avg. 585 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

800

600

400

200

Median rate 640 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 6 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.