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Hire proven ISTQB Certified Tester Foundation Level (CTFL) professionals in Dortmund in minutes from over 15,000 CVs with the power of AI.

Get testers who understand test design, defect reporting, test levels, and risk-based thinking. The CTFL shows solid practical knowledge for structured software testing, clear communication with developers, and reliable support across agile and traditional projects. Fast, precise matching with vetted freelancers holding this certification.

About the certification

What CTFL means

The ISTQB Certified Tester Foundation Level, often called CTFL or ISTQB Foundation Level, is the standard entry certification for software testing knowledge. It shows that a freelancer understands how testing supports quality, where defects come from, and how to work with clear test objectives.

What it validates

  • Basic test principles and the value of testing
  • Test design techniques for deriving useful test cases
  • Test analysis, execution, and defect reporting
  • Test levels, test types, and the role of test environments
  • Risk-based thinking and collaboration in the test process

Typical holders

CTFL is common among manual testers, test analysts, QA specialists, business analysts with test duties, and consultants who support delivery teams. It is also a good signal for freelancers who move between projects and need a shared testing vocabulary from day one.

In Dortmund, companies often look for certified testers who can join local teams on site when needed, but also work smoothly in remote setup with German or English-speaking stakeholders.

Core knowledge

CTFL covers the practical basics behind professional testing. That includes the software development lifecycle, static testing, review ideas, black-box techniques, and how to choose the right level of detail for different situations.

It does not replace deep tool or domain expertise. Instead, it tells you that the freelancer can structure test work, spot weak requirements, and communicate findings in a way that helps delivery teams make decisions.

Why it matters for companies

A freelancer with CTFL is useful when you need dependable testing support without long ramp-up time. This profile fits regression testing, user acceptance support, exploratory sessions, and coordination with developers, product owners, and analysts.

The certification is especially relevant in regulated, customer-facing, or high-change environments where clear defect handling and repeatable test practice matter. It is a practical baseline, not a specialist badge, which makes it useful for many project types.

Search terms and paths

People may search for ISTQB CTFL, ISTQB Foundation Level, or the full Certified Tester Foundation Level name. All of these point to the same core qualification.

If you want a freelancer for Dortmund, that certification can help you narrow the field fast. It is a strong first filter when you need testing discipline, clear terminology, and a reliable hand for day-to-day QA work.

Meet FRATCH ISTQB Certified Tester Foundation Level (CTFL)

Jens Schneeweiß

Software Developer for C, C++, C++/CLI and C#

Herten

Last position:

Network Technology at ISP, Internet Service Provider, BGP Peering

  • Optimization of the transmission media of the data links in the Ruhr area
  • Configuration/expansion of switches and routers for an autonomous system AS
  • Improve the network protocols used Layer 2/3 (OSI model), RSTP, broadcast, etc.
  • Laying cables, crimping, antennas, routers, switches
  • Maintenance, expansion, selection and prioritization of troubleshooting measures for network monitoring (PRTG, The Dude)
  • Organization and new connection of another BGP peering, data center, NGN fiber optic
  • VPN IPSec site connections for 6 sites with PFSense, Fritzbox
  • Configuration of WLAN devices (Mikrotik, UBNT

Label: TCP/IP, VLAN, BGP, OSPF, MPLS, VPLS, routing protocols, WLAN, EoIP, PPPoE, routing, SNMP, DHCP, DNS, NAT, native IP, VLAN, Ethernet, VoIP., switches and routers from: Nortel, Cisco, MikroTik, UBNT., network management systems: The Dude, PRTG, UISP

Jens Schneeweiß

Arkadius Sikora

Architect; Senior Developer; Full Stack Developer; DevOps Lead

Dortmund

Last position:

Architect; Senior Developer; Full Stack Developer; DevOps Lead at Bitmarck Holding GmbH

  • Requirement engineering for Ombudsstelle and creation of technical user stories for EPA V3
  • Handling of objections and revocations via mail and letter with high transaction mail volume
  • Coordination with other teams on interfaces
  • Design of a highly available, high-throughput solution on OpenShift with Java backend microservices
  • Implementation and extension of microservices
  • Infrastructure setup for deployment on OpenShift/Kubernetes including Jenkins pipelines
  • Integration with BitIAM, TI-M Fachdienst, Consent Keeper and FDV
  • Capture of requirements from DevOps operations and business units
  • Continuous integration and Scrum practices
  • Use cases: Kassenfusion, Opt-Out, Last Test, Widerspruchsmanagement
  • Integration test automation and feature extensions including Spring Boot 3 updates
Arkadius Sikora

Aladdin Alzoubi

Technical Consultant

Castrop-Rauxel

Last position:

Technical Consultant at NFON

  • Presentations and workshops regarding different VOIP products and technologies
  • Design of VOIP and network solutions from core to premium solutions and necessary non-standard solutions
  • Processing of tenders
  • Development of VOIP and network technical implementation of customer requirements
  • Implement and configure different UC products on cloud
Aladdin Alzoubi

Oliver Michels

Interim Project Manager Automation / PRINCE2 Practitioner

Werne

Last position:

Interim Project Manager Automation / PRINCE2 Practitioner at Secure-Partner

  • Automotive SPICE (ASPICE)
  • Cybersecurity
  • automation project management
  • operational project execution
  • requirements alignment with customers and stakeholders
  • planning requirements for modernization
  • time and resource planning
Oliver Michels

Mustafa Köse

Consultant (MBR Designer)

Bochum

Last position:

Consultant (MBR Designer) at Bayer AG

  • Introduction of an MES system in pharmaceutical production.

  • Support in replacing existing recipes by introducing an MES system.

  • Focus on converting cleaning and manufacturing AKBs into MBRs.

  • System environment: Werum PAS-X MES, GMP, SAP, Microsoft Office (Word, Excel), XML

Mustafa Köse

Christian Weinbörner

Interim Business Analyst / Product Owner

Dortmund

Last position:

Interim Business Analyst / Product Owner at Federal Printing Office GmbH (via FourEnergy GmbH)

  • Initial assessment of requirements using a business value prioritization framework
  • Identifying issues and gathering and evaluating requirements using UML, BPMN, and design thinking methods for iterative requirements analysis through interviews and workshops
  • Using user story mapping in Miro to visualize and align functional requirements (e.g., correct transmission of all application data and their attachments to the specialist system) as well as non-functional requirements (e.g., complete and provable deletion of an applicant's data) with stakeholders
  • Proactive stakeholder management of internal and external stakeholders from authorities, business units, organizations, and companies
  • Creating status reports for transparent communication of project progress and upcoming tasks
  • Responsible for a REST-based integration solution (middleware) for secure data exchange between core systems and external specialist applications; ensuring stability and performance in ongoing operations
  • Supporting product owners in prioritizing requirements in the backlog and during product discovery
  • Communicating plans to internal and external stakeholders and temporarily taking over product owner tasks and responsibilities during staffing changes
Christian Weinbörner

Tony Peter Heinrich

Senior Business Analyst | IT Project Manager | Test Manager

Dortmund

Last position:

Business Analyst SAP FS-CD

After a successful soft launch of a new policy administration system, the project aims to fully integrate it with SAP FS-CD. The focus is on ensuring the processing of policy data from the legacy system and the new administration system in FS-CD, while optimizing process workflows.

  • Analysis and functional design of business processes in the context of dunning, connection to court dunning, direct debit and payout returns, as well as short-term license plates in FS-CD
  • Aligning and developing requirements with the relevant business units
  • Creating process models for dunning, returns, seasonal, and short-term license plate processes using BPMN
  • Drafting customizing proposals and analyzing the relevant timing in FS-CD
  • Coordinating with the development team for implementation and jointly developing efficient solution concepts
  • Capturing and documenting requirements and optimizing existing workflows in JIRA and Confluence
Tony Peter Heinrich

Discover over 15,000 top freelancers

ISTQB Certified Tester Foundation Level (CTFL) statistics

Aggregated from the professional profiles of matched freelancers.

Experience

23 years

Position duration

2.2 years

Positions per freelancer

17

Top business areas

Quality Assurance, Information Technology, Product Development

Top industries

Information Technology, Education, Manufacturing

Certification focus areas

Quality Assurance, Information Technology, Product Development

Bachelor's degree or higher

100%

Master's degree or higher

33%

Certifications per freelancer

4

Most common languages

German, English, Spanish

Speak two or more languages

100%

Daily Rate Distribution

0 1 2 3 4
<€640 €640-720 €800-880 €960-1040 €1040+

The chart shows how the daily rates of freelancers holding this certification are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Average rates for ISTQB Certified Tester Foundation Level (CTFL) & Seniority distribution

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

1000
750
500
250
Rate comparison chart
Daily rate avg. 807 €

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 800 €

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.

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Frequently Asked Questions

Looking for clear information? Everything important about FRATCH is here

The ISTQB Certified Tester Foundation Level (CTFL) certifies that a person understands the fundamentals of software testing. It covers the purpose of testing, basic techniques, defect reporting, and how testing fits into the software lifecycle. For companies, it is a signal that the freelancer can work with a shared testing method, not just ad hoc intuition.

ISTQB CTFL is the foundation level. It focuses on core concepts and common practice, while advanced ISTQB certifications go deeper into specialist areas such as test management or test analysis. If you need someone to start quickly and handle day-to-day testing well, CTFL is the right baseline; if you need a specialist lead, you may look beyond it.

The Certified Tester Foundation Level is a good fit for manual testers, QA consultants, test analysts, and business analysts with testing responsibilities. It is also useful for freelancers who need to join mixed teams and communicate clearly with developers and product owners. In practice, it helps when you want structured testing without a long onboarding phase.

A freelancer with ISTQB Foundation Level should be able to design sensible test cases, review requirements for testability, and report defects in a clear way. You can also expect basic knowledge of test levels, test types, risk-based testing, and the role of static testing. The certificate does not prove tool mastery, but it does show sound testing thinking.

No, ISTQB CTFL is designed as a foundation certification and does not require advanced technical depth. It suits people from technical, business, or mixed backgrounds who want a common language for testing. That said, candidates benefit from practical exposure to software projects and a willingness to learn test methods carefully.

Preparation for the ISTQB Certified Tester Foundation Level usually combines study of the syllabus with practice questions and hands-on thinking about test cases, defects, and review work. Candidates should understand the terminology and be able to apply it to simple project situations. Many prepare best when they connect the material to real testing examples rather than memorizing terms alone.

The CTFL certificate is part of the ISTQB certification track, and renewal or lifecycle rules can depend on the current ISTQB scheme. Companies and freelancers should check the latest ISTQB guidance before assuming a certification stays valid in the same way forever. In hiring, the main point is still whether the person can apply the testing basics well today.

ISTQB Certified Tester Foundation Level is useful in almost any software project that needs disciplined testing. It is especially relevant in regression work, acceptance support, web and app releases, and projects where clear communication about defects matters. In Dortmund, it can be a strong fit for teams that combine local collaboration with remote delivery.

The average hourly rate for freelancers with ISTQB Certified Tester Foundation Level (CTFL) in Dortmund, DE is 101 €, which corresponds to a daily rate of about 807 € based on an 8-hour working day.

Of the freelancers with ISTQB Certified Tester Foundation Level (CTFL) in Dortmund, DE, 100% hold at least a Bachelor's degree and 33% hold at least a Master's degree.

On average, freelancers with ISTQB Certified Tester Foundation Level (CTFL) in Dortmund, DE have 23 years of professional experience, with a single engagement typically lasting around 2.2 years.

The most common languages among freelancers with ISTQB Certified Tester Foundation Level (CTFL) in Dortmund, DE are German (100%), English (100%), and Spanish (29%).

The most common industries among freelancers with ISTQB Certified Tester Foundation Level (CTFL) in Dortmund, DE are Information Technology (86%), Education (57%), and Manufacturing (57%).

The most common business areas among freelancers with ISTQB Certified Tester Foundation Level (CTFL) in Dortmund, DE are Quality Assurance (100%), Information Technology (86%), and Product Development (86%).

FRATCH ISTQB Certified Tester Foundation Level (CTFL) main locations

Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.

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Philipp Thomaschewski

FRATCH CEO

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