Robert Malec - Backend Developer

Q: Where is Robert based?

Robert is based in Darmstadt, Germany .

Q: What languages does Robert speak?

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

Q: How many years of experience does Robert have?

Robert has at least 24 years of experience. During this time, Robert has worked in at least 13 different roles and for 26 different companies . The average length of individual experience is 1 year and 11 months . Note that Robert may not have shared all experience and actually has more experience.

Q: What is Robert's latest experience?

Robert's most recent position is Backend Developer at Payment Backend .

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

In recent years, Robert has worked for Payment Backend , Cashback App , Algotrading Engine , and Tokenisation Platform .

Q: Which industries is Robert most experienced in?

Robert is most experienced in industries like Banking and Finance , Information Technology (IT) , and Insurance . Robert also has some experience in Aerospace and Defense , Professional Services , Media, and Entertainment and Publishing .

Q: Which business areas is Robert most experienced in?

Robert is most experienced in business areas like Information Technology (IT) , Product Development , and Finance . Robert also has some experience in Quality Assurance (QA) , Project Management , and Operations .

Q: Which industries has Robert worked in recently?

Robert has recently worked in industries like Banking and Finance and Information Technology (IT) .

Q: Which business areas has Robert worked in recently?

Robert has recently worked in business areas like Information Technology (IT) , Product Development , and Operations .

Recommended expert

Darmstadt, Germany

Experience

Mar 2025 - Present

1 year 1 month

Backend Developer

Payment Backend

Integration of partner systems in the payment and credit card environment.
Development, deployment and monitoring in a large system landscape.
Use of a variety of client-specific frameworks and tools.

Jan 2024 - Dec 2025

2 years

Architect, Backend Developer

Cashback App

Technical design and implementation of an MVP: an app for cashback payments for relevant activities on Instagram.
Monitoring of activities, billing companies and influencers based on their reach.

Jan 2022 - Dec 2025

4 years

PO, Architect, Developer

Algotrading Engine

Design and implementation of a platform for algo trading based on futures.
Integration for execution on multiple crypto exchanges and TradingView for chart analysis.
Active automated money management.

Sep 2018 - Sep 2019

1 year 1 month

Business Analyst, Coach

Advertising Token

Design of a business model linked to the issuance of a proprietary cryptocurrency.
Drafting a migration strategy from PayPal to a hybrid of utility and security tokens.
Collaboration in creating tokenomics and a whitepaper.

May 2018 - Sep 2023

5 years 5 months

CTO, Architect, Team Lead, Business Analyst, Developer

Tokenisation Platform

Design, architecture and technical leadership of multiple portals for tokenizing assets using blockchain technology.
Implementation of legal regulations as rule stacks in a rule engine.
Designing BPMN workflows and running them on the Camunda workflow engine.
Defining use cases and creating them as BPMN processes with corresponding test coverage.
Integrating external services like custodian service, KYC and AML.
Porting to a white-label solution and covering interfaces with REST.

Jun 2015 - Mar 2019

3 years 10 months

Developer, Architect, Team Lead

Lending Platform

Further development of a portal for loan application, verification, approval, and credit and risk monitoring.
Launch in the US market.
Design and implementation of a framework to make the GUI dynamic using metadata (interpreter).
Led an international team responsible for frontend development and third-level support.

Mar 2015 - Jun 2015

4 months

Developer

SLA-Monitoring

Further development of a portal to visualize analysis data from monitored application and server infrastructures.
GWT GUI for displaying Flash-based charts and user management.

Aug 2013 - May 2014

10 months

Designer, Developer

Invoice-EDI

Modernization and refactoring of the EDI platform for invoice data, including the proprietary RuleEngine.
Adaptation of the solution for new customers and countries and its deployment.
Introduction of test coverage.

Apr 2013 - Jul 2013

4 months

Developer

Building Savings Calculator

Migration of a Struts-based building savings calculator to plain GWT.
Integration of MVP and editor framework, as well as mailings and PDF generation.

Sep 2012 - Feb 2013

6 months

Developer

Energy Quantity Management

Further implementation of a portal for energy volume management.
GUI for breaking down into supply components, aggregating and defining tranches, and placing orders with suppliers.
BPMN workflows to implement the business processes.

Jan 2011 - Jul 2012

1 year 7 months

Architect, Designer, Developer, Coach

NOTAM/Briefing-Office

New implementation of a portal to manage TAM messages (NOTAM, SNOWTAM, ASHTAM).
GUI-based creation and sending of NOTAMs via AFTN and EAD interfaces and mapping to AIXM data.
Development of the Briefing-Office for generating and managing PIBs.
Development of the test framework.

May 2009 - Jan 2011

1 year 9 months

Developer

SLA-Monitoring

New implementation of a portal for visualizing evaluation data from monitored application and server infrastructures.
GWT GUI for displaying Flash-based charts and user management.
Implementation of a caching mechanism using an embedded database and scheduling.
Setup and maintenance of the development and deployment infrastructure.

Feb 2008 - Mar 2009

1 year 2 months

Architect, Designer, Developer, Coach

Auditverwaltung

Extension of an audit capture and management system.
Concept, implementation, and coaching of team members.
Operational maintenance and migration.

Aug 2007 - Feb 2008

7 months

Designer, Developer

Kreditkartenbestellsystem

Enhancement of a credit card management system for the launch of a new product (prepaid credit card).
Workflow and backend development plus integration with partner systems.

May 2007 - Jul 2007

3 months

Designer, Developer

OSS-Provisionierungssystems

Design (Redesign) and implementation of an OSS provisioning system.
Frontend development and backend update.

Nov 2006 - May 2007

7 months

Designer, Developer

Business component of a mail repository

Design and implementation of the business layer of a mail repository for an internet communications provider as a Java API.
Design and implementation of a library for the frontend and IO integration with ICE servers.

Sep 2005 - Oct 2006

1 year 2 months

Architect, Designer, Developer

Claims processing system for a claims adjuster

Design and implementation of the orchestration of a claims processing system.
Feasibility study as a BPM project based on SOA.

May 2004 - Jul 2005

1 year 3 months

Architect, Designer, Developer

Management tool for editorial documents

Design and implementation of a tool for automated processing and management of video recordings and editorial documents.
Implementation of the DOM structure and GUI design.

May 2003 - Oct 2003

6 months

Designer, Developer

Data viewer for market research results

Design and implementation of a web-based data viewer for market research results.
Design and implementation of the middleware and the web frontend.

Dec 2002 - Apr 2003

5 months

Developer

Supplier evaluation system for the automotive industry

Implementation of database import processes, thread handling for complex server processes, and a client GUI.
Implementation based on already developed frameworks.

May 2002 - Sep 2002

5 months

Designer, Developer

Survey and Analysis System for Market Data of the Electrical Industry

Concept and implementation of a web-based survey and analysis system.
Design and implementation of the EJB architecture.

Jun 2000 - Jul 2001

1 year 2 months

Designer, Developer

Claims Processing System for the Insurance Industry

Concept and implementation of a web-based claims processing system.
Development of a custom persistence, business, and servlet layer on Apache/Tomcat.
Integration and connection to various partner systems.

Jan 2000 - Apr 2000

4 months

Coach, Project Manager

Delivery System for Market Research Results

Concept and implementation of a web-based delivery system for market research results in the pharmaceutical industry.
Training of the development team.

Jan 1999 - Jun 1999

6 months

Project Manager, Designer, Developer

Expansion of an Editorial Environment

Implementation of a web-based editorial environment with consistency checking.
Integration into existing document management systems and web servers with a custom servlet engine.

Jun 1998 - Dec 1998

7 months

Designer, Developer

Data Collection and Management System for Deployment Data

Implementation of a client-server system for capturing and maintaining employee deployment data.

Feb 1998 - Jun 1998

5 months

Project Lead, Designer, Developer

Document Capture and Delivery System

Concept and implementation of a web-based order interface for delivering administrative documents.
Management of data for data centers and participating facilities.
Development of a server.

Oct 1997 - Dec 1997

3 months

Developer

Online Shop

Implementation of an order system for metal industry products.

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 Banking and Finance (11.5 years), Information Technology (7 years), Insurance (2 years), Aerospace and Defense (1.5 years), Professional Services (1.5 years), and Advertising (1 year).

Banking and Finance

Information Technology

Insurance

Aerospace and Defense

Professional Services

Advertising

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 (24.5 years), Product Development (14 years), Finance (4 years), Quality Assurance (2.5 years), Operations (2 years), and Project Management (2 years).

Information Technology

Product Development

Finance

Quality Assurance

Operations

Project Management

Skills

Industry Experience

Finance/banks
Air Traffic Control
Automotive
Internet/isp
Telecommunications
Retail
Energy Industry

Programming Languages

Java
Python
Bpmn
Sql
Pl/sql, Solidity, Javascript, Typescript, C, C#, C++ …

Application Areas

Data Maintenance Systems, Editorial Systems, Order Systems, Srm, Audit Management, Credit Management, Edi, Communication Systems, Tokenization Platforms, Custody Solutions, Asset Management, Blockchain Integration, Smart Contracts, Trading Engines

Tools

Figma, Miro, Confluence, Jira, Trello, Asana
Ci/cd: Github, Gitlab, Visual Source Safe (Microsoft), Cvs, Svn, Clearcase, Continuus, Maven, Aws, Jenkins, Docker, Docker Compose
Development Environment: Eclipse, Remix, Visual Studio Code, Oracle Bpel Designer, Wsad, Activiti, Camunda Modeler, Together/j, Rational Rose, Enterprise Architect, Magic Draw
Databases: Informix, Oracle, Mysql, Mariadb, Sybase, Postgresql, Db2, H2
Tomcat, Bea Weblogic, Websphere, Jboss, Springboot, Flask
Frameworks: Axis, Cxf, Struts, Jsp, Jsf, Log4j, Cocoon, Ant, Maven, Junit, Selenium, Common.controls, Gwt, Gxt, Hibernate, Spring, Springboot, Kafka, Mybatis
Drools, Camunda Bpm
Toad, Oracle Bpel Designer, Oracle Developer, Tora, Pgadmin, Openlayers, Squirrel, Dbeaver

Languages

German

Advanced

English

Advanced

Polish

Advanced

Russian

Advanced

Education

Oct 1988 - Jun 1997

University of Karlsruhe (KIT)

Diploma in Computer Science · Computer Science · Karlsruhe, Germany

German high school diploma (Abitur) · Germany

Profile

Created

September 2025

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Frequently asked questions

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

Where is Robert based?

Robert is based in Darmstadt, Germany.

What languages does Robert speak?

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

How many years of experience does Robert have?

Robert has at least 24 years of experience. During this time, Robert has worked in at least 13 different roles and for 26 different companies. The average length of individual experience is 1 year and 11 months. Note that Robert may not have shared all experience and actually has more experience.

What roles would Robert be best suited for?

Based on recent experience, Robert would be well-suited for roles such as: Backend Developer, Architect, Backend Developer, PO, Architect, Developer.

What is Robert's latest experience?

Robert's most recent position is Backend Developer at Payment Backend.

What companies has Robert worked for in recent years?

In recent years, Robert has worked for Payment Backend, Cashback App, Algotrading Engine, and Tokenisation Platform.

Which industries is Robert most experienced in?

Robert is most experienced in industries like Banking and Finance, Information Technology (IT), and Insurance. Robert also has some experience in Aerospace and Defense, Professional Services, Media, and Entertainment and Publishing.

Which business areas is Robert most experienced in?

Robert is most experienced in business areas like Information Technology (IT), Product Development, and Finance. Robert also has some experience in Quality Assurance (QA), Project Management, and Operations.

Which industries has Robert worked in recently?

Robert has recently worked in industries like Banking and Finance and Information Technology (IT).

Which business areas has Robert worked in recently?

Robert has recently worked in business areas like Information Technology (IT), Product Development, and Operations.

What is Robert's education?

Robert attended University of Karlsruhe (KIT) for Computer Science.

What is the availability of Robert?

Robert is immediately available for suitable projects.

What is the rate of Robert?

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