k6 Experts in Germany
to validate performance with vetted, available freelancers matched in minutesHire experts who design load, stress and soak tests with JavaScript, Grafana dashboards and CI/CD pipelines. Get precise AI matching with vetted, available freelancers who can support remote or on-site delivery in Germany.
Meet FRATCH Experts in Germany, who have recently used k6
Michael S.
Last position:
IT & Test Consultant at Testing Experts GmbH
AI Readiness - Part 3: Creating an e-book on the use of AI in software testing
- Designed and created an e-book on the sensible and safe use of AI in software testing from the perspective of an experienced test expert.
- Used generative AI (ChatGPT, Perplexity Pro) as a sparring partner for structuring, wording suggestions and creating variations, with all content finally reviewed and approved using my own expertise.
- Developed practical insights into the opportunities and risks of AI in testing, with a special focus on collaboration between testers and AI instead of “tester vs. AI”.
- Title: “11 starke Gründe: Dream-Team statt Rivalen - Tester und KI sind gemeinsam unschlagbar”
- Subtitle: “Wie Mensch und Maschine im Softwaretest das perfekte Team bilden – und warum reines KI-Testing riskant ist.”
- Planned use of the e-book as a basis for workshops, customer meetings or internal training.
- Technology: Generative AI, ChatGPT, Perplexity Pro, Microsoft Word, Adobe Acrobat, many years of hands-on professional testing experience, common sense.
Nasif M.
Last position:
Solution Architect at SAP
Red Hat OpenShift Container Platform
Scope:
- Operation and configuration of the Red Hat OpenShift Container Platform, including network, storage, and security design.
- Implementation of centralized observability solutions (Prometheus, Grafana, alerting).
- Development of CI/CD pipelines, GitOps workflows, and automation frameworks.
- Training and enablement of operations and development teams.
Result: Accelerated service delivery, transparent operational metrics, and sustainable knowledge transfer.
Anton L.
Last position:
Senior Solution Architect
Internal systems with regulatory and security requirements could not be used directly by AI tools for incident triage, troubleshooting, and documentation search. The goal was to securely integrate these systems through MCP while preserving existing acce...
Qaiser A.
Last position:
Freelance Lead DevOps Engineer at Schwarz Gruppe Produktion
Bootstrapping a CloudOps team and building a multi-cloud provider backend for a low-code Internal Developer Platform (IDP) with env zero
Introducing user story mapping, ADRs, milestones, and backlog management
Designing and developing core APIs, setting up CI/CD pipelines, OpenTofu/Terraform scripts
Representing and communicating the team with third-party stakeholders (e.g. env zero)
(Cross-)team coaching on DevOps, software design, Terraform, Golang, and agile practices
Patrick E.
Last position:
Honorary Lecturer at SRH University Berlin
- Cloud Computing Fundamentals & Architecture: Expertise in core cloud concepts, including the three main Service Models (IaaS, PaaS, SaaS) and diverse Deployment Models (Public, Private, Hybrid, Multi-cloud).
- Modern Application Deployment Strategies (GCP Focus): Instruction on the GCP Application Hosting Spectrum, covering Virtual Machines, Containers (Kubernetes and Cloud Run), Platform as a Service (App Engine), and Serverless Computing (Functions as a Service - FaaS).
- Data Management & Big Data Analytics: Comprehensive coverage of Cloud Storage options (Object, Block, File) and Database solutions, including Relational (Cloud SQL), NoSQL (Firestore, BigTable, Memorystore), and serverless enterprise data warehousing (BigQuery).
- DevOps and Infrastructure Automation: Skills in DevOps principles, including Continuous Integration (CI), Continuous Delivery (CD), Infrastructure as Code (IaC) using tools like Terraform, and implementing effective Monitoring and Logging for system observability.
- Emerging Technologies & Responsible Cloud Use: Focus on crucial topics like Cloud and IoT Security, Identity and Access Management (IAM), data privacy, and the ethical considerations of cloud and massive data collection.
Ayhan G.
Last position:
Senior QA Engineer / Test Automation Engineer / SDET at Rewe digital
Consulting, designing, and implementing the software testing lifecycle for multiple Android apps and backends Introducing test automation with Appium, SpringBootTest, RestAssured Setting up and managing emulators Developing an E2E library, an integration library, a Testcontainers library, and other libraries Developing, implementing, and advising on CI strategies Building the test environment with Testcontainers and virtualization Developing and implementing test cases for integration tests and end-to-end tests Establishing a maintainable test architecture with low entry barriers to simplify the creation of automated tests Some tools and technologies used: JUnit, RestAssured, Testcontainers, Kubedock, Appium, Android emulator, Jira Xray, Mockito, WireMock, Spring Framework, Kotlin
Martin G.
Last position:
SAP Test Data Management Consultant at Siemens AG
End-to-end quality assurance in a global S/4HANA transformation program.
Automated test data setup, evaluation of search and generation solutions, and PoC execution (K2View, EPI-USE).
Coordination between Siemens teams and external partners, and structured knowledge transfer to internal stakeholders.
Created a basis for PoC decisions and sped up tool selection.
Standardized test data provisioning and noticeably reduced lead times.
Established governance for test data processes (policies, roles, KPIs).
Sustainable know-how transfer: empowered internal teams to operate solutions on their own.
Methods & technologies: S/4HANA, SAP, K2View, EPI-USE, test data management, data masking, data provisioning, test strategy, test management, coaching & enablement, Azure DevOps, Microsoft Office 365, Gemini.
Andreas K.
Last position:
Senior Developer at ioki GmbH, a Deutsche Bahn AG company
- Fullstack development based on Next.js and TypeScript
- Development and optimization of geospatial database queries for PostgreSQL/PostGIS
- Visualization of geospatial data using Mapbox
- Design and execution of load tests and performance optimizations
- Code reviews and documentation tasks
- Technologies: JavaScript, TypeScript, Next.js, React, Zod, tRPC, Storybooks, PostgreSQL/PostGIS, MicroORM, Knex, Material UI, Mapbox, BullMQ, Jest, Playwright, Artillery.io, K6, Sentry, Figma, GitLab, Grafana, GTFS
Michal B.
Last position:
Senior Golang Engineer at STACKIT / Schwarz Gruppe
- Responsible for software engineering and DevOps in the Data & AI Platform - Intake and PubSub projects at STACKIT, the cloud provider of the Schwarz Group.
- Technologies: Golang, Kubernetes, Kubernetes operators, OpenAPI v3, REST API, Azure DevOps, CI/CD, k6, Kafka, Strimzi, Apache Iceberg, RBAC, IAM, Terraform, Helm, Infrastructure automation, Load balancing, Traefik, ArgoCD, kuttl, Kyverno chainsaw, Kustomize, Velero, Prometheus, Grafana, Checkly / Playwright (TypeScript), NATS/Jetstream, WebSockets, gRPC, SSE
Dimitri W.
Last position:
Software Architect at Environmental services company (cooperation with Sitegeist Media Solutions GmbH)
Conceptual design and implementation of a modular customer portal based on Laravel.
The focus was on defining a maintainable system architecture with broad use of Domain-Driven Design principles (within the Laravel architecture), introducing automated quality assurance processes (test strategy, CI integration), and preparing an auditable operation (logging, traceability of changes) in an AWS-based infrastructure, taking IT security standards according to NIST and process requirements according to ISO 9001 into account.
Achievements:
- Analysis and structuring of business requirements in close coordination with stakeholders
- Documentation of the system architecture and infrastructure incl. change and release management
- Design and implementation of an interface for integrating SAP systems
- Planning and implementation of automated tests for quality assurance
- Implementation of security and compliance requirements, including SBOM generation, software license management, and QA processes
- Technical consulting and support for the internal IT team
- Introduction and establishment of AI-supported development processes (Spec-Driven Development), including AI-readable specifications, integration of AI instructions into the development environment, and training developers for productive use
Technologies and tools: SAP, Docker, ddev, PHP 8.4, Laravel, Filament, C4 Model, Architecture Decision Records (ADR), Mermaid, PlantUML, Spec-Driven Development, Claude, GitHub Copilot, Codex
Marcel S.
Last position:
Lead Developer / Software Architect at Rezeptprüfstelle Duderstadt GmbH
Responsible for the new development of billing and auditing software for prescriptions (prescriptions) to fully check and evaluate e-prescriptions for correctness (content, billing)
The system consists of several contexts that run as services (Docker containers):
Checking and processing data deliveries via FTP and email
Managing invoices, clearings, advance payments and deductions
Managing and running audit rules and audit folders
Evaluations based on Metabase
Developer Stack: Kotlin, Vue 3 / Vuetify 3, ANTLR, Spring Boot 3, REST API, Gradle, Docker, GitLab, PostgreSQL, Kafka, Keycloak, Scrum, Grafana, Loki, Testcontainers, Prometheus
Andreas V.
Last position:
Senior Software Developer, Architect at ifm Solutions GmbH
- IoT platform to connect, transform and get actionable results
- Built a microservice observability solution to improve insights for developers and operations teams
- Made advanced performance optimizations in .NET code, databases and time series
- Provided architectural advice to developer teams on performance, scalability, reliability and code quality
- Evaluated and built PoCs for new technologies, including time series databases and messaging platforms
- Technologies: C#/F#/Rust, InfluxDB, ClickHouse, Prometheus, Grafana, k6, RabbitMQ, EMQX, Docker, Kubernetes, Azure AKS
Andreas S.
Last position:
Lead Developer at Software
- Extended the document management system with a standard CMIS (Content Management Interoperability Services) interface
- Implemented CMIS core services like navigation, access rights, search, CRUD operations, and versioning in Java
- Implemented based on RESTful / OpenAPI services
- Delivered as a fat-jar and native container image
- Deployed on-premises and serverlessly as an Azure Container Application using Terraform
- Improved team autonomy through infrastructure engineering and short feedback loops
- Established observability with OpenTelemetry, Azure Monitor, and Azure Logic Apps
- Introduced Terraform and trunk-based development processes
- Ensured quality with BDD tests in C# using SpecFlow and Testcontainers
- Created Azure DevOps pipeline integration tests
- Introduced cloud deployment processes
- Trained staff in cloud and Terraform
Rohith R.
Last position:
Senior Software Engineer at Clark GmbH
- Upgraded Ruby from 2.7 to 3.1, boosting application performance by 30% and reducing technical debt.
- Integrated Zendesk Messenger into the customer support platform, streamlining communication workflows and increasing support efficiency by approximately 25% through faster response times and improved issue resolution.
- Orchestrated the migration of 65,000+ Schutzklick customer records to a new cloud platform, achieving zero downtime and accelerating data access speeds by 40% for internal teams.
- Implemented JumpCloud SSO for 500+ admin users, strengthening platform security and access control.
- Conducted k6 load testing, enabling the platform to support 10,000+ concurrent users without degradation.
Discover over 15,000 top freelancers
Statistics of experts using k6
Aggregated from the professional profiles of matched freelancers.
Experience
22 years
Position duration
1.6 years
Positions per freelancer
19
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Banking and Finance, Retail
Certification focus areas
Information Technology, Quality Assurance, Product Development
Bachelor's degree or higher
90%
Master's degree or higher
50%
Doctorate
10%
Certifications per freelancer
4
Most common languages
German, English, French
Speak two or more languages
93%
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Germany using k6
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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
k6 experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (100%)
- Banking and Finance (71%)
- Retail (64%)
- Insurance (50%)
- Education (43%)
- Healthcare (43%)
- Manufacturing (43%)
- Automotive (36%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What k6 does
k6 is an open-source performance testing tool for modern web applications, APIs and services. Teams write test scenarios in JavaScript, run them locally or in automation, and inspect how systems behave under controlled traffic. Grafana k6 extends the tool with hosted execution, results analysis and collaboration features.
Testing scenarios
k6 helps teams measure more than simple response time. A well-designed test can expose capacity limits, slow dependencies, failed requests and unstable behavior before users encounter them.
- Load testing for expected traffic
- Stress testing beyond normal capacity
- Soak testing for long-running stability
- Spike testing for sudden demand
- API and browser performance checks
Ecosystem and tooling
k6 scripts use JavaScript and fit naturally into Git-based workflows. Specialists often connect k6 with Grafana, Prometheus, InfluxDB, GitHub Actions, GitLab CI or other delivery systems. They may also work with thresholds, checks, custom metrics, test data and environment configuration.
In Germany, k6 work often supports distributed teams and organizations running customer-facing services, internal platforms or regulated business systems. Clear documentation and reliable communication matter when performance evidence must be shared across remote and on-site groups.
When companies need expertise
Freelance specialists are useful when a team needs performance coverage but lacks the time or testing depth to build it internally. They can establish a baseline, model realistic user journeys, prepare test environments and turn results into practical remediation work.
- A release has an unclear capacity limit
- Production incidents point to scalability risks
- API changes need repeatable performance checks
- CI pipelines lack meaningful performance gates
- A migration requires evidence before launch
Strong professional practice
Strong k6 professionals understand systems beyond the test script. They know how application code, databases, queues, caching, networks and cloud resources influence results. They separate an application bottleneck from a test design problem and explain findings without hiding uncertainty.
They also control test data, traffic shape and environment conditions carefully. Their deliverables may include maintainable scripts, threshold definitions, dashboards, runbooks and a prioritized report that links observed behavior to business risk.
Choosing the right specialist
Look for someone who can show how they designed realistic workloads and validated the results. Ask how they avoid generating misleading traffic, how they isolate bottlenecks and how they would adapt a test when the architecture changes. Experience with Grafana k6 Cloud, observability tools and CI/CD is valuable when testing must become a repeatable engineering practice.
For remote collaboration, agree on access, test windows, language expectations and ownership of scripts early. The right specialist leaves behind understandable assets, clear evidence and a practical plan for continued performance testing.
Frequently asked questions
Everything clients usually want to know about k6, in one place.
k6 is used to test the performance, reliability and scalability of web applications, APIs and other services. Teams can simulate controlled traffic, define thresholds and track whether response behavior remains acceptable under different load patterns.
k6 uses JavaScript-based test scripts and is designed for developer-friendly workflows, version control and automation. JMeter offers a mature graphical interface and broad protocol support, while Gatling is known for code-based scenarios; the right choice depends on protocol needs, team skills and existing tooling.
A strong k6 specialist usually understands API testing, JavaScript, CI/CD and observability. Knowledge of Grafana, Prometheus, databases, cloud infrastructure and distributed-system bottlenecks helps turn test results into useful engineering decisions.
A small API test can be started by a professional with focused k6 experience, while complex workloads need deeper performance analysis and systems knowledge. The required level depends on traffic realism, architecture, test environments, reporting needs and whether the work must run continuously in delivery pipelines.
Yes. k6 work is often suitable for remote collaboration because scripts, configuration and results can be shared through repositories and observability tools. Teams should still define access controls, test windows, communication routines and whether German-language documentation or on-site workshops are required.
k6 includes browser testing capabilities for scenarios that need real browser interaction alongside protocol-level checks. A specialist should explain when browser tests add value and when direct HTTP or API testing provides more reliable, scalable coverage.
Ask the k6 professional to explain workload modeling, thresholds, test-data handling and bottleneck isolation in a previous project. Good evidence includes reproducible scripts, meaningful metrics, transparent limits and recommendations tied to system behavior rather than a single headline result.
Grafana k6 Cloud is not required for every k6 project. Local or self-managed execution can suit teams that need control over infrastructure, while the hosted service can simplify distributed runs, result analysis and collaboration; the decision should follow security, scale and workflow requirements.
The average hourly rate of freelancers in Germany who have used k6 in their recent projects is 100 €, which corresponds to a daily rate of about 803 € based on an 8-hour working day.
Of the freelancers in Germany who have used k6 in their recent projects, 90% hold at least a Bachelor's degree, 50% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers in Germany who have used k6 in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 1.6 years.
The most common languages among freelancers in Germany who have used k6 in their recent projects are German (100%), English (93%), and French (21%).
The most common industries among freelancers in Germany who have used k6 in their recent projects are Information Technology (100%), Banking and Finance (71%), and Retail (64%).
The most common business areas among freelancers in Germany who have used k6 in their recent projects are Information Technology (100%), Product Development (93%), and Project Management (50%).
Main locations of FRATCH Experts, who have recently used k6
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.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
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Philipp Thomaschewski
FRATCH CEO
