Postman Experts in Essen
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Meet FRATCH Experts in Essen, who have recently used Postman
Adem Susam
Last position:
IT Consultant (Test Manager) & CEO at Trikolon Consulting GmbH
- Development and implementation of test concepts for complex, multi-layered systems
- Creation of regular management reports and presentations for stakeholders and clients
- Technical and disciplinary leadership of international test teams (coordination, coaching, resource planning)
- Responsibility for quality assurance across multiple test levels (unit, integration, system, and acceptance tests)
- Design of test cases and test plans in Azure DevOps; ensuring traceability and coverage
- Use of BDD approaches (Gherkin/Cucumber) to prepare test automation
- Building a test automation architecture with Playwright and integrating new tests into CI/CD pipelines
- Performing API tests (REST) and tests for mobile/PWA applications
- Setup and maintenance of test environments across multiple stages (integration, QA, UAT, pre-production)
- Test data management (synthetic and production-like data), ensuring consistency and reproducibility
- Collaboration with DevOps teams for containerization (Docker/OpenShift) and CI/CD integration
- Working under SAFe & Scrum, closely coordinating with product owners and DevOps teams
- Active participation in PI plannings, sprint reviews, and retrospectives
- Promoting an agile QA culture through coaching and knowledge sharing
- Introducing scalable test automation with Playwright → significant reduction of manual testing efforts
- Increasing test transparency through clean defect and reporting management in Azure DevOps
- Improved release quality through an end-to-end QA strategy and automated regression tests
- Strategic leadership of Trikolon Consulting GmbH and responsibility for finance, personnel, and business development
Andreas Adam
Last position:
IT-Application Manager at IHK-GfI
- Gathering, analyzing, specifying, and prioritizing requirements for the 'Archive and Delete' module of the Chambers of Industry and Commerce in a Scrum team
- Capturing and specifying screen/form designs, functionality, and data types in Confluence, as well as creating user stories in Jira
- Preparing PowerPoint presentations for the 'Archive and Delete' module
- Coordinating and supporting the Chambers of Industry and Commerce in the implementation of the module
- Writing SQL scripts for an Oracle database
- Technologies used: Scrum, Confluence, Jira, MS Office, Postman, JavaScript, REST API, JSON, DBVisualizer, SQL
Musa Musakhanli
Last position:
Qa Engineer at TD Bank
- Designed and implemented an automation test framework using Junit and Maven, developing BDD scripts with Cucumber and reusable methods for application behavior.
- Created test data using automation scripts with Selenium WebDriver, Java, and Python, validating UI components, popup windows, and mouse movements.
- Conducted API functional testing of RESTful web services using Postman.
- Automated test execution using Maven and integrated with Jenkins, achieving a 20% reduction in regression testing time.
Mohamad Alosman
Last position:
Systems Engineer for Network Security at Bechtle AG
- SD-WAN solution by Aruba – Swiss energy company (330 sites): design and implementation of an SD-WAN branch solution with Aruba 9004 gateways, encrypted overlay, policy-based routing, WAN load balancing, and centralized management via Aruba Central.
- LAN/WLAN & security – schools in Germany (9 sites): deployment of Aruba switches & AP-505, FortiGate 80F firewalls; setup of Checkmk monitoring, incident and change management, and secure admin access (BeyondTrust).
- Multi-site security – energy billing company (20 sites): deployment of a complete Fortinet solution (FortiGate HA cluster, FortiSwitch PoE, FortiAP), IPsec remote-access VPN via FortiClient, centralized management via FortiCloud, IntraID authentication, operations and incident management.
- Data center migration – German client: migration of data center switches (Mellanox), firewall cluster, and OfficeConnect switches to a new data center; securing configurations, implementing HA designs, testing, monitoring, and coordinated change and incident processes. Setup of two new 6300 M VSX clustered switches.
- Data center security – university hospital: implementation of a high-availability FortiGate 400F firewall cluster across three data centers; security policy design, operational support, and change/incident management.
- Enterprise campus & network access control – manufacturing company in Germany: introduction of Aruba ClearPass NAC, setup of a VSX-based switching architecture, secure WLAN access with MPSK, and integration into existing networks.
- EU client (Germany & Poland) – Sophos firewalls: operations, incident and change management of Sophos firewalls including IPsec VPN; troubleshooting and ongoing optimization of security configurations.
- Network modernization – pharmacy client in Germany: design and rollout of core and access switching (Mellanox, Aruba Instant On), migration from Sophos to Fortinet firewalls, network segmentation, and security hardening.
Dmitrii Suhanov
Last position:
Senior Developer/Team Lead at Devexperts
Project Livebash (2021-12-01–2023-12-31)
Development and design of the core system
Code reviews
Developer management
CI/CD
Client communication
Leading epics
Speaking at conferences
Managing the production system
Interviewing project developers
Outcome: production system
Technologies and tools: Java 11, Java 17, Kotlin, Spring Boot, TeamCity, Gradle, AWS DynamoDB, JUnit, Mockito, Docker, Docker Compose, AWS SQS, AWS EC2, AWS S3, AWS MediaLive, Ethereum, Postman
Project Robinhood (2024-01-01–2024-05-31)
Customization and development of product features for specific clients
Interviews with project developers
Technologies and tools: Java 17, Java RX, Kotlin, Spring Boot, TeamCity, Gradle, JUnit, Mockito, Docker, Docker Compose, PostgreSQL
Projects Sway, Tickmill, Pepperstone, UCapital (2024-06-01–present)
Customization and development of product features for specific clients
Bug fixes
Porting tickets from the product
Feature development
Technologies and tools: Java 17, Java RX, Kotlin, Spring Boot, TeamCity, Gradle, JUnit, Mockito, Docker, Docker Compose, PostgreSQL
Aida Khalfallah
Last position:
Sales Assistant at Bakery Schollin
- Customer service and point-of-sale (cash register) operations
- Inventory management and stock organization
- Strengthened German language skills through daily customer interaction
- Worked collaboratively in a fast-paced, team-oriented environment
Stefan Wolff
Last position:
Project team member at Environmental service provider
- Implementation and maintenance of an order management system
- RDBMS Oracle 19c
- Oracle Forms/Reports 12c/14c
- Oracle SQL
- XML processing
Ahmet Sarioglu
Last position:
Frontend Developer at Isbul.net
- Migrated a live system to React and Next.js.
- Implemented server-side rendering (SSR).
- Integrated single sign-on (SSO).
Miguel Angel Jimenez Rodriguez
Last position:
Agile Sub Project Manager at Cognizant Mobility
- Contact person for the client for all matters related to delivery of services from the subproject
- Responsible for delivering the subproject and coordinating the deliverables to be achieved (project planning)
- Validating sprint planning of the teams against the project plan
- First escalation point if estimates cannot be agreed
- Resource management for 17 project staff
- Continuous process improvement
- Risk management of any kind that can threaten delivery
- Reporting results internally and to the client, e.g. project execution and milestone achievement
- Responsible for the budget in his subproject (revenue, profit)
- Identifying and implementing financial optimization needs
- Ensuring that Jira items are maintained according to financial and agile guidelines in his subproject
- Building an Informatica core team
- Project management for various migration projects
Discover over 15,000 top freelancers
Statistics of experts using Postman
Aggregated from the professional profiles of matched freelancers.
Experience
17 years
Position duration
2.1 years (Germany: 1.8 years)
Positions per freelancer
10 (Germany: 12)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Banking and Finance, Manufacturing
Certification focus areas
Project Management, Information Technology, Product Development
Bachelor's degree or higher
89% (Germany: 93%)
Master's degree or higher
67% (Germany: 58%)
Certifications per freelancer
3
Most common languages
English, German, Turkish
Speak two or more languages
100% (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 Essen 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 Essen using Postman
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
API work
Postman is used to plan, test, and document APIs before and after release. Strong specialists use it to keep requests, environments, variables, and tests aligned so teams can validate endpoints, share collections, and catch breaking changes early.
What experts deliver
- API collections for manual and automated checks
- Environment setup for dev, test, and staging targets
- Test scripts and assertions for request flows
- Shared documentation for internal and external APIs
Tools and ecosystem
Postman work often connects with Newman, CI pipelines, and source control. Good professionals also handle mocks, monitors, workspaces, and versioned collections so API work stays repeatable across product teams.
When to bring in help
Companies usually need freelance support when API testing is inconsistent, collections are messy, or releases depend on many services. In Essen, this is common for teams working with industrial software, logistics systems, and internal platforms that must stay in sync.
What strong specialists do
They write clear test logic, keep naming consistent, and separate reusable data from hardcoded values. They also understand auth flows, headers, payloads, and error handling, which makes Postman useful for real delivery work, not just quick manual checks.
Collaboration style
Postman experts can work on-site or remotely, depending on access to APIs, stakeholders, and release cadence. For teams in Essen, English usually works well for API details, while German helps when the work touches local business users, ops staff, or internal documentation.
Frequently asked questions
Curious about Postman? Here are the answers that come up again and again.
Postman is used to inspect APIs, run request tests, and keep collections of calls in one place. It helps teams validate endpoints, share examples, and document how services should behave across environments.
Postman is more hands-on for exploring live APIs, building collections, and running tests. Swagger and OpenAPI tools are stronger for schema-first design and documentation, while Postman is often chosen for day-to-day validation and collaboration around actual requests.
A strong Postman specialist usually knows API design, HTTP basics, authentication, JSON, and test scripting. It also helps if they understand CI pipelines, Newman, environment variables, and how teams version API work.
Postman work can be simple for small collections, but it gets serious when many services, auth flows, or release checks are involved. For larger projects, look for someone who has already handled reusable tests, shared workspaces, and clean collection structure.
Yes, Postman specialists often work well remotely because most tasks are based on APIs, documentation, and test runs. In Essen, on-site time only becomes important when the work depends on local stakeholders, secure network access, or close release coordination.
A good Postman expert leaves behind clear collections, readable test scripts, and stable naming. Ask whether they can show how they organize environments, handle errors, and keep requests easy for other specialists to maintain.
Postman is used for both. Teams often rely on it to test requests, share examples, and document API behavior in a way that is close to the real calls developers and other specialists use.
Postman is a fit for integration work, internal platforms, service testing, and API-heavy products. In Essen, that often includes teams that need reliable checks across business systems, partner interfaces, or operational software.
The average hourly rate of freelancers in Essen, Germany who have used Postman in their recent projects is 73 €, which corresponds to a daily rate of about 587 € based on an 8-hour working day.
Of the freelancers in Essen, Germany who have used Postman in their recent projects, 89% hold at least a Bachelor's degree and 67% hold at least a Master's degree.
On average, freelancers in Essen, Germany who have used Postman in their recent projects have 17 years of professional experience, with a single engagement typically lasting around 2.1 years.
The most common languages among freelancers in Essen, Germany who have used Postman in their recent projects are English (100%), German (89%), and Turkish (33%).
The most common industries among freelancers in Essen, Germany who have used Postman in their recent projects are Information Technology (100%), Banking and Finance (67%), and Manufacturing (56%).
The most common business areas among freelancers in Essen, Germany who have used Postman in their recent projects are Information Technology (89%), Product Development (89%), and Project Management (67%).
Main locations of FRATCH Experts, who have recently used Postman
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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