Apache Kafka Experts in Stuttgart
, matched in minutes from over 15,000 CVs with the power of AIHire experts who design event-driven architectures, build Kafka Streams and Connect pipelines, and secure high-throughput data flows. FRATCH matches you quickly and precisely with vetted, available freelancers for your Apache Kafka project.
Meet FRATCH Experts in Stuttgart, who have recently used Apache Kafka
Sercan T.
Last position:
Co-Founder & Lead Software Architect at Pflege-Pfad
- Focus: System architecture, cloud-native platforms, microservices, API design
- Product: Pflege-Pfad is a digital placement platform that directly connects relatives of people in need of care with verified care services and caregivers – without an agency and without ongoing fees.
- Business analysis & process design:
- Analysis of the German care market and identification of the key pain points of both target groups.
- Modeling of core business processes: registration, verification, care request, application, placement, and rating.
- Definition of the business model as a freemium/premium model with optional contact unlocking.
- Creation of user stories and requirements documentation for relatives, care services, and administrators.
- Design of trust and quality assurance mechanisms with document upload, admin review process, and rating system.
- Coordination with stakeholders and validation of product decisions with potential users.
- Technical implementation:
- Design and implementation of the entire platform architecture as the sole developer.
- Design and implementation of a REST API with Spring Boot and Kotlin, including JWT-based authentication.
- Development of the frontend as a single-page application with Angular 17.
- Implementation of the AWS infrastructure with EC2, RDS PostgreSQL, S3, CloudFront, and IAM.
- Document upload with AWS S3 using presigned URLs to verify care services.
- Email notifications via Resend API.
- AI-supported care service search via OpenAI API.
- Implementation of complete user flows such as registration, login, password reset, and the placement process.
- Development of an admin panel for user and care service management as well as analytics.
- CI/CD with GitHub Actions and containerized deployments with Docker.
- End-to-end tests with Playwright.
Technologies: Kotlin, Spring Boot 3, Spring Security, JWT, JPA/Hibernate, PostgreSQL, Angular 17, TypeScript, RxJS, AWS (EC2, ECS, S3, CloudFront CDN, RDS PostgreSQL, IAM), nginx, GitHub Actions, Playwright, Maven, Git, OpenAI API, Resend API, Docker, Scrum, i18n (DE/EN/TR), Kiro, feature flag architecture.
Will O.
Last position:
Solution Architect at Polizei Behörde Stuttgart
Designed a migration strategy for WLS applications to BKA Cloud and Stack IT
Created a hybrid cloud for internal testing and development with Kubernetes
Transformed the IT landscape from an outdated monolithic architecture to a cloud-based architecture
Integrated new CI/CD processes using Azure Pipelines
Quadrupled the processing throughput for personnel security checks
Migrated personnel security screening applications to Docker-based applications
Implemented CI/deployment pipelines using Azure DevOps
Environment: Java Springboot, Kubernetes, Oracle Weblogic, OpenID, Camunda, JUnit, TOGAF
Salim C.
Last position:
Cloud / Systems Architect
- Development and introduction of operations processes
- Preparation of complete documentation packages (including incident management and operations support) to meet compliance requirements
- Introduction of a workshop on IaC (Infrastructure as Code)
- Technical consulting for the project security concept (ISMS)
- Installation and operation of Kubernetes clusters on AWS, on-prem, and Azure
- Hybrid cloud architecture design (on-prem, Hetzner, AWS)
- Analysis and troubleshooting of incidents and system outages
- Network adjustments for firewall rules, gateways, OpenVPN settings, and IPsec tunnels (pfSense)
- Technical consulting on Bitbucket, Jenkins, and GitLab CI/CD pipelines
- Consulting on Ansible deployments and infrastructure automation
- Consulting on building a scalable system in the cloud (AWS / Azure)
- Technologies / Tools: Ansible, Terraform, AWS, Azure, VPN, pfSense, Jenkins, Bitbucket, Kubernetes, GitLab Runner, ISMS, Golang, Prometheus, Grafana, S3, Lambda, RDS, ECS, Cognito, OIDC, Harbor, MinIO, Postgres, Redis, Keycloak, Ceph, Proxmox, CloudFormation, PostgreSQL, Flux CD, Hetzner, IONOS, Sonatype Nexus Repository, Entra ID, Dex IdP, Pulumi
Artyom N.
Last position:
AI Automation Engineer & Solution Architect at Technology Research Project
Designed and developed an AI-powered automation platform using n8n to analyze social media niches, identify target audiences, and automate marketing strategy generation. The solution combined AI agents, workflow orchestration, and data analysis to automate research processes and generate data-driven insights.
- Designed and implemented complex automation workflows using n8n
- Developed AI-powered analysis agents for market and audience research
- Integrated multiple APIs and AI services into automated workflows
- Built automated market, competitor, and target audience analysis pipelines
- Leveraged Large Language Models (LLMs) for information summarization, classification, and prioritization
- Containerized and deployed the platform using Docker
Technologies: n8n, AI Agents, OpenAI APIs, Prompt Engineering, LLMs, Docker, Linux, REST APIs, Webhooks
Lothar H.
Last position:
Solution Manager for the investigation PoC and exchange and refinement of an existing cloud and IoT power plant control system at Shell AG and NEXT Kraftwerke GmbH
- Investigation PoC and exchange and refinement of an existing cloud and IoT power plant control solution for certificate management of renewable energy power plants (solar, wind, biomass and others) of the largest European renewable energy power plant operator in this field, including investigation of the IoT devices used in the field and their integration and network connection with the aim of automated PKI key management.
- Messaging with Kubernetes for large API-connected enterprise applications
- Risk and Attack Vector Analysis, Software Quality & Bug Assessments
- Agile Workload Scheduling via Jira & ConJluence
- Evaluation of message streams Pub/Sub for MQ and KaJka.
- Various tests with “best design approaches” regarding resilience patterns such as Circuit Breaker Designs, Throughput Measurement and Monitoring, Bulkhead Governors - for robust EA design
- Integration of API Management with IBMs API Connect to Kubernetes - for agnostic Microservices API Management Designs. Google Apigee
- Solution Health Check Approaches for Load Burst Situations + Remedy
- Research and investigation of available potential subcontractors in the coordinating role as Solution Manager. CIS20 Controls.
- Dread and Stride Security Assessments.
Maik S.
- Development of a new generation of Spring Boot microservices for an archiving system on OpenShift, monitoring, security analyses
Stack: Java, Spring Boot, Kafka, Vaadin, OpenShift 4.x, Maven, Artifactory, Jenkins, Git/Github, GitHub Copilot, GitOps, CI/CD, Kargo/ArgoCD
Ivan G.
Last position:
Technical Lead at Porsche Digital GmbH
- Contributed to the design of the new financial services integration layer and moderated the architectural discussions
- Oversaw the security concept and approval of the application
- Prepared infrastructure setup and best practices for the Kotlin backend
Benjamin S.
Last position:
Design and implementation of a new cloud service at Porsche AG
- Design of a new cloud service
- Requirements Engineering
- API Design (REST API, Kafka)
- Consulting on architecture, feasibility and effort estimation
- Implementation of a microservice architecture
- Implementation of a Spring Boot web service
- Development of REST APIs including business and persistence logic
- Kafka consumers and producers
- Various Excel upload/download scenarios
- Change Data Capture
- Cloud provisioning with IaC/Terraform
- Go-live with 30,000 users
- Operation, support and bug fixing for other services
Environment/tools: GitLab, JIRA, Confluence, IntelliJ, Spring Boot, Java, Docker, Terraform, AWS ECS, Postgres, Apache Kafka, SAP Datasphere, JUnit, Debezium, Apache POI, Hibernate, JPA, Testcontainers
Achille C.
Last position:
Backend/Frontend Developer at ITZ-Bund
Development of a microservice application for calculating postings on accounts
Development of backend components with Java or JEE, Quarkus, Kafka, Rest API
Development of the test component with mocking frameworks (Mockito)
Development of integration test components
Creation of OpenAPI specification format
Configuration of CI/CD pipeline
Development of frontend components with React
Design, further development and optimization of system structures
Code review
Java Corretto 21, JEE, Quarkus, Golang
Reactive programming with Spring WebFlux, Project Reactor
Git, Azure DevOps for CI/CD pipeline, YAML, Json Swagger UI, Postman, Rest OpenAPI, Kafka Streams, Kafka Connect, Log4J
Microservices, Jira, Confluence, MySQL, Docker, Kubernetes (deployment via Helm charts)
Spring Security, OAuth 2, JWT, Sonarqube
IntelliJ, Maven, logging framework Splunk, Agile method Scrum, Nexus, Vaadin V24, build tool Vite
React, React.JS, Node.js, Jess/JavaScript, Tailwind CSS, Agile method Scrum, accessibility BITV, Playwright
Marcel S.
Last position:
Technical Lead / Lead Developer at REWE digital
- Due to an organizational restructuring towards product-based teams, the implementation of a Data Mesh in the area of Digital Supplier Management (DSM) was decided.
- A highly available real-time Data Mesh for providing large volumes of data via Kafka and REST to other products.
- New development of a core supplier management software in a (micro-)service-based architecture with a modern tech stack.
- Technologies/Tools:
- Java 21
- Spring Boot
- Angular
- TypeScript
- Go
- MapR
- Kafka
- Docker
- Google Cloud Platform (GCP)
- Kubernetes
- Helm
- GitLab CI
- Maven
- JUnit
- Mockito
- WireMock
- Cypress
- Keycloak
- OAuth 2.0 & OpenID Connect
- Humio
- Nexus
- Artifactory
- SonarQube
- Renovate
- Git
- Postman
- IntelliJ
Ahmed F.
Last position:
Senior Lead Engineer (Freelance) at Atruvia AG
- Development of a wealth management application for investing in foreign currencies
- Full-stack development with Angular, Spring Boot, OpenShift, Oracle DB, Kafka
- Design and implementation of a microservice architecture
- Integration into Atruvia's BWS system and connection of multiple interfaces between Atruvia and DZ Privatbank
- Greenfield development of the application from the ground up
- Technical responsibility for architecture and interface design
- Close collaboration with business units and external stakeholders
Discover over 15,000 top freelancers
Statistics of experts using Apache Kafka
Aggregated from the professional profiles of matched freelancers.
Experience
18 years
Position duration
1.5 years (Germany: 2.7 years)
Positions per freelancer
14 (Germany: 13)
Top business areas
Information Technology, Product Development, Operations
Top industries
Automotive, Information Technology, Banking and Finance
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100% (Germany: 92%)
Master's degree or higher
55% (Germany: 56%)
Certifications per freelancer
3 (Germany: 2)
Most common languages
German, English, Spanish
Speak two or more languages
100% (Germany: 97%)
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 Stuttgart 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 Stuttgart using Apache Kafka
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.
Apache Kafka experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Automotive (100%)
- Information Technology (91%)
- Banking and Finance (82%)
- Transportation (64%)
- Government and Administration (45%)
- Insurance (36%)
- Manufacturing (36%)
- Aerospace and Defense (27%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Event streaming
Apache Kafka is a distributed event-streaming platform for publishing, storing and processing records in real time. It connects services through durable topics and lets multiple consumers react to the same events without tight coupling. Companies use it for data integration, operational workflows and event-driven applications.
Core architecture
Kafka projects involve brokers, topics, partitions, replicas, producers and consumer groups. Strong specialists design partitioning and retention around ordering, throughput and recovery needs. They also plan schema evolution, delivery guarantees and observability so the system remains understandable as traffic and teams grow.
Ecosystem and tooling
Kafka rarely runs alone. Professionals work across the wider ecosystem, including Kafka Connect, Kafka Streams, Schema Registry and REST interfaces, with deployment on Kubernetes or cloud infrastructure. Useful adjacent skills include Java, Scala, Python, SQL, Docker, infrastructure automation and monitoring with metrics and logs.
Common use cases
- Moving events between business applications, databases and SaaS systems
- Feeding analytics, reporting and machine learning pipelines with fresh data
- Building asynchronous order, payment and notification workflows
- Replicating data across regions or supporting hybrid environments
When expertise matters
Companies bring in freelance expertise when a proof of concept must become a dependable production service, or when existing clusters show lag, rebalancing or data-quality problems. This is especially relevant in Stuttgart industries such as automotive, manufacturing, logistics and software, where operational data crosses many systems. Remote work is practical, while on-site sessions can help with architecture workshops and stakeholder alignment.
Quality signals
Look for professionals who can explain trade-offs rather than only configure a cluster. A strong specialist demonstrates experience with failure testing, access control, schema governance, capacity planning and incident response. They should leave clear runbooks, meaningful dashboards and a tested migration or handover plan, and communicate comfortably with distributed teams in English or German.
Frequently asked questions
Curious about Apache Kafka? Here are the answers that come up again and again.
Apache Kafka is used to move and process streams of events between applications and services. Typical projects include real-time analytics, application integration, asynchronous workflows, audit trails and data replication.
Apache Kafka keeps ordered event records for a configured retention period, allowing several consumer groups to read the same data independently. Traditional queues often focus on delivering each message to one consumer, while Kafka is usually chosen for replayable streams, high throughput and loose coupling.
A strong Apache Kafka specialist usually understands distributed systems, networking, security and data modeling. Useful related skills include Kafka Connect, Kafka Streams, Schema Registry, Kubernetes, cloud infrastructure, Java or Python, and observability.
The right level depends on the risk and scope of the work. A simple connector or proof of concept may need focused Kafka knowledge, while a production platform calls for someone who has handled partition design, upgrades, failures, security and operational ownership.
Apache Kafka work is often suitable for remote collaboration because configuration, code, dashboards and documentation can be shared online. For Stuttgart-based teams, occasional on-site architecture sessions may still help when the project involves factory systems, sensitive infrastructure or many business stakeholders.
Ask how the specialist would model events, choose partitions, manage schemas and test recovery. Request concrete examples of production incidents, monitoring design and migration plans rather than relying on familiarity with product names alone.
Apache Kafka may be excessive for a small, low-volume workflow with simple delivery requirements. A managed queue, database change feed or direct API integration can be easier to operate when replay, multiple consumers and continuous streams are not central to the design.
A capable Apache Kafka professional can explain delivery semantics, ordering limits, consumer lag and failure handling in clear terms. Evidence of tested deployments, documented runbooks, secure access controls and useful operational dashboards is more valuable than a list of tools.
The average hourly rate of freelancers in Stuttgart, Germany who have used Apache Kafka in their recent projects is 107 €, which corresponds to a daily rate of about 857 € based on an 8-hour working day.
Of the freelancers in Stuttgart, Germany who have used Apache Kafka in their recent projects, 100% hold at least a Bachelor's degree and 55% hold at least a Master's degree.
On average, freelancers in Stuttgart, Germany who have used Apache Kafka in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 1.5 years.
The most common languages among freelancers in Stuttgart, Germany who have used Apache Kafka in their recent projects are German (100%), English (100%), and Spanish (27%).
The most common industries among freelancers in Stuttgart, Germany who have used Apache Kafka in their recent projects are Automotive (100%), Information Technology (91%), and Banking and Finance (82%).
The most common business areas among freelancers in Stuttgart, Germany who have used Apache Kafka in their recent projects are Information Technology (100%), Product Development (91%), and Operations (64%).
Main locations of FRATCH Experts, who have recently used Apache Kafka
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 
Dusseldorf 
Essen 
Nuremberg Request a free demo
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FRATCH CEO
