Selenium Experts in Dusseldorf
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Meet FRATCH Experts in Dusseldorf, who have recently used Selenium
Thorsten Lenzen
Last position:
Senior Security Analyst
- Analysis and remediation of security vulnerabilities in a risk assessment system for energy trading
- System analysis
- Threat modeling
- Decision-making on vulnerability mitigation strategies
- Implementation of vulnerability detection mechanisms
- Security scans
- DevSecOps practices
- Technical environment: Visual Studio Code, JetBrains Suite, MS Threat Modeling Tool, DevSecOps, Git, AWS, DynamoDB, SQL Server, Endur, Snowflake, Orca
- Languages: C#, JavaScript, TypeScript, Python, PowerShell, Bash, Terraform, SQL
Ralph Konitzer
Last position:
Product Owner / Business Owner at AXIS Management Consulting GmbH
- Full product responsibility from a business perspective: requirement analysis, UX design, product strategy, and go-to-market implemented without an internal dev team using fully AI-supported development (Claude Code / Anthropic)
- Technical differentiation: KRITIS-compliant air-gapped deployment (Windows/NSIS), GDT interface for PVS integration, DATEV-LODAS export for payroll
- Managed pilot operation with initial external client (Dormagen medical practice): structured requirement gathering, test support, error analysis, and release management
- Developed rollout and sales strategy for market entry in the segment of private practices and small medical centers
- Human-in-the-Loop development principle: business decision → AI implementation → manual review → approval → release – each sprint documented in Jira (TIME project), every change traceable via co-authored commits
- Product outcome: Tauri/Rust desktop app with GDT watcher, multi-tier model (Starter/Professional/Enterprise), cloud mirror on Hetzner/Traefik, complete ISMS framework based on ISO 27001 and BSI basic protection as product foundation
- Direct method validation for the test manager role: hands-on experience with quality assurance of AI-generated products from a user perspective, review gate discipline, release approval under GDPR and the EU AI Act
Khattab Mennat
Last position:
Software Tester at Atlas Elektronik GmbH
- Deriving test cases in IBM DOORS for various devices according to ISTQB
- Automating and running test cases in Python under Linux
- MobaXtrem, Windchill are in use
Hassan Amjad
Last position:
IT Consultant at ALDI South (Albrecht's Discount)
- Supporting the DevOps team in Terraform-managed, multi-region AWS infrastructure to achieve environment parity.
- Developed end-to-end CI/CD pipelines using AWS CodePipeline, CodeBuild, and CodeDeploy, automating the build and deployment.
- Maintained pre- and post-deployment scripts to automate critical tasks such as database schema migrations and environment sanity checks.
- Implemented CI/CD flow specifically for hotfixes via separate Git branches, managing back-merge activities from feature branches to release branches to ensure code integrity through automated conflict resolution.
- Deployed a dedicated, lightweight sanity check application hosted cost-effectively on Azure Container Apps to run automated health and basic functional checks as a post-deployment activity triggered via pipeline.
- Investigated production incidents through code changes and AWS CloudWatch logs.
- Coordinated integration of Dynatrace APM and its APIs for monitoring purposes.
- Full stack QA strategist for a high-traffic e-commerce platform built on a layered architecture for the back-end testing of core platform services, especially the order management system in Zed and Glue layers.
- Managed automation activities, testing process, and refactoring practices.
- Responsible for framework migrations, setup, and training for new automation frameworks.
- Promoted a shift-left approach within the QA team and created the test concept.
- Participated in meetings with IT managers, business owners, product owners, and team members.
Esmail Saberi
Last position:
Senior Load and Performance Tester at Deutsche Bahn (DB-Netz)
- Design, development, and execution of load and performance tests for the PRISMA project
- Use of Apache Jmeter, Gatling, Apache ActiveMQ, Jms/Tibco Ems, SikuliX, Jython, Amazon AWS, PAN-Client
- Methods: load tests, test automation
Dmitry Tarantin
Last position:
Web Software Engineer at Freelancer
Third-side integration development (REST: Amazon, OpenAI, Etsy, Shopware, Prestashop, etc)
Performance optimization (Refactoring, SQL analysis)
LMS development and deployment (Moodle)
Cloud deployment automation (Amazon, Azure, Gitlab CI/CD, Docker)
Backend and Frontend development (Laravel, VueJs)
Collaboration with partner-developers (national and international)
Shirtigo GmbH
GRELLARTIG Digital GmbH
velpTEC edutainment GmbH
Jan G.
Last position:
Master Data Application at confidential
Visualization, search, and maintenance of various types of master data, providing them via a REST API, and implementing a variety of import and export formats.
Implementation, architecture, project management.
Technologies and tools: Angular (Signals, Signal Store, swagger-codegen, standalone components), Java, PostgreSQL, ActiveMQ, JavaScript, Spring Boot (Spring Core, Spring MVC, Spring Data/JPA via Hibernate, Spring Security, Spring Modulith), JUnit, Flyway, QueryDSL, GraphQL, REST API, Node, npm, Maven, SonarQube, GitLab CI/CD pipelines, Docker, Nexus, OpenAPI + Swagger UI, Keycloak, OAuth2, OpenID Connect, IntelliJ IDEA, Jira, Confluence.
Sebastian Chece
Last position:
Public institution responsible for educational institutions in NRW
- Consulting on processes and execution of load tests, performance tests and technical tests of various applications: web portal, file cloud, email, video conferencing, learning/course platform
- Creating the load test framework
- Programming test scripts (JMeter, Selenium)
- Developing batches to support the evaluation
- Executing load tests and evaluating results, including clear reporting, recommendations for action, and bottleneck analysis
- Managing tasks and collaboration to achieve meaningful load test results
Jacqueline Haefke
Last position:
Kitchen Appliance Manufacturer
Setting up and enhancing an international subscription management system
Migrating and decommissioning a Hybris-SAP system and integrating Zuora
Implementing numerous interfaces to various systems (external and internal)
Setting up and improving monitoring with Grafana, Prometheus, and Databricks
Introducing logging with Loki
Implementing business requirements using jQuery, Thymeleaf, Spring Boot, Java, Go, and Python
Adjusting and extending the GitLab CI pipelines
Setting up and extending infrastructure as code with Terraform and ArgoCD on AWS
Setting up and running E2E and performance tests
Expanding the Databricks business intelligence solution to provide various KPIs
Responsibilities: Architecture, DevOps, development, unit tests, coaching employees and apprentices, E2E, smoke, and integration tests, agile methods consulting (Kanban, Scrum)
Technologies and methods: Java, Go, Kotlin, Node.js, Spring Boot, SOAP/REST, Quarkus, Thymeleaf, Vaadin, Slack, Jira, Confluence, IntelliJ, GitLab, SQS, Kafka, AWS, Kubernetes, Terraform, Maven, Gradle, GitLab CI, Databricks
Discover over 15,000 top freelancers
Statistics of experts using Selenium
Aggregated from the professional profiles of matched freelancers.
Experience
20 years (Germany: 19 years)
Position duration
1.9 years (Germany: 2.8 years)
Positions per freelancer
16 (Germany: 14)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Retail, Telecommunication
Certification focus areas
Information Technology, Product Development, Quality Assurance
Bachelor's degree or higher
100% (Germany: 92%)
Master's degree or higher
60% (Germany: 49%)
Doctorate
20% (Germany: 7%)
Certifications per freelancer
7 (Germany: 3)
Most common languages
German, English, Arabic
Speak two or more languages
78% (Germany: 97%)
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Dusseldorf 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.
Average rates of experts in Dusseldorf using Selenium
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
What Selenium does
Selenium is used to automate real browsers for web testing. It helps teams check flows that matter, such as login, checkout, search, form handling, and cross-browser behavior. It is common in regression suites, release checks, and end-to-end validation.
Core ecosystem
- Selenium WebDriver for browser control
- Selenium Grid for parallel runs across environments
- Selenium IDE for quick recording and playback
- Test frameworks like JUnit, TestNG, and PyTest
- Cloud browsers and CI pipelines for repeatable runs
When to bring in help
Companies often need freelance expertise when suites become brittle, slow, or hard to maintain. The right specialist can improve locator strategy, reduce flaky tests, and align browser automation with release workflows. This is useful for product teams, agencies, and enterprises in Dusseldorf that ship web apps regularly.
What strong specialists do
Strong Selenium professionals write tests that are readable, stable, and easy to extend. They understand waits, page objects, test data, and environment setup, and they know when to avoid over-automation. They also debug failures across browsers and keep suites useful for the team.
Common project work
- Build new end-to-end browser tests
- Refactor legacy Selenium WebDriver suites
- Set up Selenium Grid or cloud execution
- Integrate tests into CI pipelines
- Review flaky tests and locator issues
Good fit and handover
Selenium works best when the web app is stable enough to automate at the UI layer and the team needs coverage across browsers. Good freelancers document selectors, test structure, and run steps so the team can maintain the suite after handover. That matters whether the work is remote or on-site in Dusseldorf.
Frequently asked questions
What clients ask us most about Selenium — answered in short.
Selenium is used to automate browsers for end-to-end testing. Companies use it to verify user journeys, spot regressions, and check that an app behaves the same in different browsers. It is especially useful when teams need tests against real pages and real interactions.
Selenium is the broad, long-standing option with wide browser support and many language bindings. Playwright and Cypress can feel more opinionated and modern for some teams, while Selenium is often chosen when a project already has browser automation in place or needs a flexible cross-browser setup. The best choice depends on the app, the stack, and how the team wants to run tests.
A strong Selenium specialist usually knows a test framework such as JUnit, TestNG, or PyTest, plus CSS and XPath selectors. They should also understand waits, page objects, CI pipelines, and how browser sessions behave in different environments. Knowledge of Java, Python, or JavaScript is often part of the package.
Not always, but Selenium work gets harder when suites are large, flaky, or tied to release pipelines. A more experienced specialist is worth it when you need a clean framework, browser compatibility coverage, or a rescue of a test suite that no one trusts. For a small, isolated set of checks, a mid-level expert may be enough.
A Selenium engagement often ends with automated test cases, a reusable framework structure, and clear instructions for running the suite. Many projects also include locator cleanup, reporting setup, and CI integration. Good handover matters so your team can extend the work without starting over.
Most Selenium work can be done remotely because the code, test runs, and CI setup are easy to share. On-site collaboration in Dusseldorf can help when teams need workshop-style alignment, fast access to product owners, or close work with an existing QA process. Many projects use a hybrid setup.
Look for Selenium tests that are stable, readable, and focused on important user flows. Good work avoids fragile locators, long sleeps, and unclear abstractions, and it should be easy to run in CI. If the specialist can explain why each test exists, that is a strong sign of quality.
A Selenium freelancer will usually ask about the app type, current test coverage, browser targets, and the CI setup. They also want to know whether the team already uses Selenium Grid, which languages are allowed, and how much cleanup the existing suite needs. Clear answers help them estimate the work and choose the right approach.
The average hourly rate of freelancers in Dusseldorf, Germany who have used Selenium in their recent projects is 86 €, which corresponds to a daily rate of about 689 € based on an 8-hour working day.
Of the freelancers in Dusseldorf, Germany who have used Selenium in their recent projects, 100% hold at least a Bachelor's degree, 60% hold at least a Master's degree, and 20% hold a doctorate.
On average, freelancers in Dusseldorf, Germany who have used Selenium in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 1.9 years.
The most common languages among freelancers in Dusseldorf, Germany who have used Selenium in their recent projects are German (100%), English (78%), and Arabic (11%).
The most common industries among freelancers in Dusseldorf, Germany who have used Selenium in their recent projects are Information Technology (100%), Retail (67%), and Telecommunication (67%).
The most common business areas among freelancers in Dusseldorf, Germany who have used Selenium in their recent projects are Information Technology (100%), Product Development (89%), and Project Management (67%).
Main locations of FRATCH Experts, who have recently used Selenium
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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