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Alexander Heister-System Tester

Alexander Heister
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Valley, Germany

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Experience

Jul 2023 - Jun 2025

System Tester

Freelance Senior Software and System Tester

Position Summary
System Tester at Freelance Senior Software and System Tester
Industries
Banking and Finance
Manufacturing
Business Areas
Information Technology
Quality Assurance
  • System testing of automated banknote processing systems with CAN bus technology
  • Test case creation and test design
  • Test execution and documentation of results
  • Bug creation and retesting
  • Installation of complete machines and hotfixes
  • Use of Micro Focus ALM and Azure DevOps/TFS
Jul 2022 - Jun 2023

System Verification Engineer

Freelance Senior Software and System Tester

Position Summary
System Verification Engineer at Freelance Senior Software and System Tester
Industries
Biotechnology
Pharmaceutical
Business Areas
Product Development
Quality Assurance
  • System testing of a fully automated laboratory solution with integrated analyzers and an aliquoting device
  • Requirements analysis and test design
  • Test execution and bug tracking
  • Use of Polarion ALM, Remisol Advance and MS Teams
Apr 2020 - Jun 2022

System Tester

Freelance Senior Software and System Tester

Position Summary
System Tester at Freelance Senior Software and System Tester
Industries
Banking and Finance
Manufacturing
Business Areas
Quality Assurance
  • System testing of automated banknote processing systems with CAN bus technology
  • Test case creation and execution
  • Documentation of test results and bug retests
  • Installation of machines and hotfixes
  • Use of HP ALM, ClearQuest and VMware
Jan 2016 - Apr 2020

System Verification Engineer

Freelance Senior Software and System Tester

Position Summary
System Verification Engineer at Freelance Senior Software and System Tester
Industries
Healthcare
Business Areas
Information Technology
Quality Assurance
  • Continuation of the System Verification Engineer project at Beckman Coulter GmbH
  • Use of Polarion ALM, Visual Studio and Remisol Advance
Jul 2015 - Dec 2015

System Verification Engineer

Sogeti Deutschland GmbH

Position Summary
System Verification Engineer at Sogeti Deutschland GmbH
Industries
Biotechnology
Healthcare
Business Areas
Quality Assurance
  • Development of a new laboratory automation system for blood and urine samples
  • Requirements analysis and test design
  • Creation of test cases and test execution
  • Responsibility for system tests
  • Use of Polarion ALM and Visual Studio
Jan 2015 - May 2015

Software Tester / Test Coordinator

Sogeti Deutschland GmbH

Position Summary
Software Tester / Test Coordinator at Sogeti Deutschland GmbH
Industries
Information Technology
Business Areas
Information Technology
Quality Assurance
  • Support in revising the test concept and in defect management
  • Briefing specialist testers and supporting the test manager
  • Test coordination, test design, test data creation, and test execution
  • Error reporting focusing on GUI, login, routing, and various use cases
  • Use of HP Quality Center
Sep 2011 - Dec 2014

Technical Manager

Sogeti Deutschland GmbH

Position Summary
Technical Manager at Sogeti Deutschland GmbH
Industries
Information Technology
Professional Services
Business Areas
Human Resources
  • Personnel responsibility for 35 consultants
  • Filling open project requests in cooperation with account managers
  • Staff support, development, and reviews
  • Training and development planning
  • Conducting career days, recruitment activities, interviews, and kick-off events
  • Forecast planning for indirect projects (vacation, illness, training, availability)
  • Participation in the nationwide HR committee of the executive management
Nov 2010 - Aug 2011

Consultant

Sogeti Deutschland GmbH

Position Summary
Consultant at Sogeti Deutschland GmbH
Industries
Automotive
Business Areas
Quality Assurance
  • System testing of heating systems for the client Webasto AG
  • Creation of schedules and test plans
  • Coordination of manual and automated test execution
  • Requirements analysis and review of system requirements and specifications
  • Test design and creation of system test specification up to approval
  • Conducting HIL tests and safety-relevant functional tests
  • Testing of vehicle diagnostics
  • Documentation of test results and defects
  • Use of DOORS, VECTOR CANoe, CAN bus, and SVN
Oct 2006 - Nov 2010

Senior Consultant

C1 SetCon GmbH

Position Summary
Senior Consultant at C1 SetCon GmbH
Industries
Information Technology
Retail
Telecommunication
Business Areas
Information Technology
Product Development
Quality Assurance
  • Software testing of dealer shops at Telefónica O2 Germany GmbH & Co. OHG in Munich

  • Test automation using soapUI and internal test tools

  • Test design and execution of ad-hoc, regression, acceptance, and component tests

  • Bug reporting with SVN, soapUI, Jira, and Confluence

  • Software testing of a B2B online shop for softLution GmbH in Lünen (Kaiser & Kraft GmbH)

  • Test execution and test design

  • Software development of a J2ME mobile app (eCall) in an internal project

  • Continuation of the project at Nokia

Jan 2001 - Sep 2006

Consultant

LogicaCMG & Co. KG

Position Summary
Consultant at LogicaCMG & Co. KG
Industries
Automotive
Banking and Finance
Business Areas
Information Technology
Quality Assurance
  • System testing of multimedia head units for Nokia AG in Bochum

  • Test design, test automation, and test execution with VECTOR CANoe, DeepThought, and CAN bus technology

  • Functional tests for USB, power, SMS, and MMS

  • J2EE web application for a financial services provider (WestLB Systems) on Basel II/rating DB

  • Software development using Eclipse, J2EE, JSP, HTML, JavaScript, Struts, SVN, JUnit, ANT, and Maven

May 1998 - Dec 2000

Java Application Developer

Sparkassen Informatik Systeme West GmbH

Position Summary
Java Application Developer at Sparkassen Informatik Systeme West GmbH
Industries
Banking and Finance
Information Technology
Business Areas
Information Technology
Product Development
  • Development of Java applets and applications with CICS connection to DB2 host
  • Use of IBM VisualAge for Java, Eclipse, JFC Swing, DB2, COBOL, and Sparkassen DWH

Industry Experience

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

Experienced in Banking and Finance, Information Technology, Automotive, Healthcare, Manufacturing, and Retail.

Banking and Finance
Information Technology
Automotive
Healthcare
Manufacturing
Retail
Profile match chart

Business Area Experience

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

Experienced in Quality Assurance, Information Technology, Product Development, and Human Resources.

Quality Assurance
Information Technology
Product Development
Human Resources
Profile match chart

Skills

  • Hands-On Mentality
  • High Commitment
  • Strong Sense Of Responsibility
  • Reliable
  • Independent Working Style
  • Team Player
  • Open-Mindedness

Languages

German
Native
English
Advanced

Education

Siemens AG

Industrial Clerk (IHK) and Database Developer · Duisburg, Germany

Ruhr University Bochum

Geography · Bochum, Germany

Certifications & licenses

Statistics

Experience

Total positions 11
Experience in Banking and Finance 12.5 y
Avg length 2 y 5 m
Longest experience 5 y 8 m

Expertise

Recent roles System Tester, System Verification Engineer, Software Tester / Test Coordinator
Main industries Banking and Finance, Information Technology, Automotive
Main business areas Quality Assurance, Information Technology, Product Development

Qualifications

Certifications earned 1

Profile

Created

Frequently asked questions

Have questions? Find more information here.

Alexander is based in Valley, Germany and can operate in on-site, hybrid, and remote work models.

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

Alexander has at least 27 years of experience. During this time, Alexander has worked in at least 7 different roles and for 5 different companies. The average length of individual experience is 2 years and 5 months. Note that Alexander may not have shared all experience and actually has more experience.

Based on recent experience, Alexander would be well-suited for roles such as: System Tester, System Verification Engineer, Software Tester / Test Coordinator.

Alexander's most recent position is System Tester at Freelance Senior Software and System Tester.

In recent years, Alexander has worked for Freelance Senior Software and System Tester.

Alexander is most experienced in industries like Banking and Finance, Information Technology, and Automotive. Alexander also has some experience in Healthcare, Manufacturing, and Retail.

Alexander is most experienced in business areas like Quality Assurance, Information Technology, and Product Development. Alexander also has some experience in Human Resources.

Alexander has recently worked in industries like Banking and Finance, Manufacturing, and Biotechnology.

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

Alexander attended Siemens AG for Industrial Clerk (IHK) and Database Developer.

Alexander has 1 certificate: ISTQB Foundation Level.

Alexander is immediately available full-time for suitable projects.

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

To hire Alexander, click the Meet button on the profile to request a meeting and discuss your project needs.

Daily Rate Distribution

0 2 4 6 8
<€800 €800-1200 €1200-1600 €1600+

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

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Average rates for similar positions

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

1000
750
500
250
Rate comparison chart
Daily rate avg. 956 €

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

1000
750
500
250
Rate comparison chart
Median rate 840 €

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.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.