Apache Kafka Experts in Hamburg
matched in minutes by AIHire experts who design event-driven architectures, build Kafka Streams applications, connect data with Kafka Connect and operate resilient clusters. FRATCH matches you quickly and precisely with vetted, available freelancers for your Apache Kafka project.
Meet FRATCH Experts in Hamburg, who have recently used Apache Kafka
Felix O.
Last position:
Cloud Engineer at GUS Group
Cloud Journey Kickoff on STACKIT
- Helped the client kickstart their cloud journey on sovereign EU STACKIT platform.
- Bootstrapped IAC & GitOps architecture with Opentofu and ArgoCD.
- Setup platform fundamentals for a fresh, holistic cloud experience: Kubernetes, external secrets, certificate management, gateway API, DNS & routing, observability basics.
Niko S.
Last position:
Developing Architect, Technical Lead "gridlytics" at HH Energienetze
- Building a data integration platform for high, medium, and low voltage assets for contextual analysis of time series with master data from the SCADA control system (IEC 60870 104), INIS, and SAP.
- Responsibility for the architecture and implementation of the solution, as well as sparring partner for the Product Owner.
- Use of Kotlin, Spring Boot, Maven, TimescaleDB, PostgreSQL, liquibase, Elements IoT, Docker, Kubernetes, Grafana, Python, jupyter, and various API gateways.
Mirco S.
Last position:
Co-Founder, CTO & Managing Director at Sourcera.ai (Venture Build)
Full overall responsibility: product, technology, compliance and go-to-market
- Delivered an enterprise MVP in 54 days, exceeding scope and schedule.
- Won a 250k € ARR anchor customer and built a sustainable enterprise sales pipeline in the first quarter.
- Paid PoCs with Zalando (35k €) and tesa (26k €), validating product-market fit with Tier-1 enterprise customers.
- Initiated ISO-27001 and TISAX certification processes. Left when the venture entered its next organizational phase.
Lutz H.
Last position:
Fractional CTO, Interim Engineering Manager, Architect at independent
Strategic technology leadership and architecture consulting.
- Fractional CTO & interim management for startups, scale-ups, and enterprises – technical strategy, team building, architecture oversight, and delivery.
- Architecture consulting on cloud-native, distributed, and event-driven systems: reviews, design partnerships, and ongoing advisory.
- Event-driven architecture training – a hands-on 2-day course for engineering teams
- Conference speaker on distributed systems
Bastian I.
Last position:
Senior Backend Engineer Go & Technical Consultant at Regulated trading system for digital assets
- Technical consulting to meet regulatory MiCA requirements for a digital trading platform
- Design and development of backend components and APIs to comply with transparency and auditability requirements
- Optimization of core functions in order execution and market data delivery with a focus on performance and reliability under high load
- Conducting job interviews and structured onboarding of new developers
- Successful and timely implementation of the regulatory MiCA requirements, ensuring uninterrupted operations
- Reduction of user issues and common support requests by fixing complex backend problems
- Strengthening the development team through effective onboarding, mentoring, and knowledge sharing
Rainer D.
Last position:
Enterprise Architecture Management / Backend Software Developer at Polizei Hamburg
- Several projects in a police context
- Model and document police procedures/projects with Archimate (as-is/to-be) in the context of P20 (BKA)
- Create software architectures with microservices
- POC development with Springboot/Docker/Kubernetes
- Project size: 10 people
- Enterprise architecture management with Togaf and Archimate
- Backend software development Springboot
- DevOps with Kubernetes
- Implemented using: Java 17/21, Springboot 3, P20 architecture, Togaf, Archimate
Raphael V.
Last position:
Tech- / Team Lead / Architect / Engineer at Freelance IT Consultant
- Independent Software Engineer focusing mainly on complex backend architectures.
Serhat K.
Last position:
Kafka issues in production at Fiverr client
Fiverr client
- Fixed consumer issues in a production Kafka environment.
- Analyzed consumer lag with Datadog.
- Added synthetic tests to detect issues early.
Stack: Kafka, Datadog, Consumer Groups
Daniel S.
Last position:
Senior Software Engineer at energielenker solutions GmbH
- Designed and implemented a Python-based ETL pipeline with the Dagster framework to transform raw energy data from heterogeneous sources using InfluxDB and visualizations in Grafana
- Defined time-based and dependency-based jobs
- Deployed to managed Kubernetes clusters using Helm
- Integrated InfluxDB Cloud
- Prepared data for use in Grafana, including cleaning, normalization, and time-based resampling in Python
- Developed dashboards and visualizations in Grafana
- Developed unit tests with mocking using pytest
- Set up a CI/CD pipeline in GitLab
Technologies: Python, Dagster, InfluxDB, Grafana, pandas, pytest, REST, CI/CD, GitLab, Container, Kubernetes, Helm, Docker, Cloud
Cornelius H.
Last position:
Solution Architect at STIHL
- Remodeling of the system architecture for an Azure-based platform aimed at rapid development of new functionalities
- Modeling of a staging concept for the fulfillment of diverse customer and QA needs
- Creation of requirements for, and oversight of, a proof-of-concept supplier project for a Flutter app with highly advanced BLE functionalities
- Comparison of multiple observability platforms for feasibility and requirements fit within the project environment
- Creation of a mobile app architecture based on domain-driven architecture
- Position of technical advisor and accountable solution architect for two development teams
- Execution of architecture reviews and alignment of changes with architectural expectations
- Skills & Technologies: Microsoft Azure , App Services, NodeJS Mono-repository, microservice architecture, domain driven design, self contained systems, requirements engineering, CI/CD, DevOps, API design, solution architecture
Patrick V.
Last position:
Senior Director, Retail Media at EUROBAUSTOFF Handelsgesellschaft mbH & Co. KG
- Strategic consulting on marketing funds (WKZ) and retail media, focusing on monetization opportunities and data-driven business models
- Conducting a portfolio analysis of existing WKZ measures to assess the revenue and ROI impact of WKZ investments on supplier performance
- Potential analysis of digital WKZ products and initiatives to identify growth and efficiency levers
- Preparing and presenting the results to management and deriving a strategic move-forward plan
- Designing and facilitating several executive workshops to develop a holistic retail media vision and transformation roadmap
- Defining and prioritizing retail media business cases for data-driven evaluation of investment options
- Developing a technical target architecture considering heterogeneous ERP infrastructures and designing an integrated loyalty program
- Designing change management, including impact analysis on organizational structures and processes
- Creating and presenting C-level decision templates
- Establishing a clear retail media governance structure and technical foundation for data-driven marketing
- Developing a roadmap for implementation in 2026
Frank H.
Last position:
Project Manager Database Upgrade at Bank
- Planning, coordination and tracking of the work for database administration (DBA)
- Coordination with the application developers and test managers (QA) involved in the project
- Migration of the existing databases in several stages
- Coordination with and provision of information to stakeholders
- Technologies: MariaDB
- Tools: MS Office, Confluence, Jira
- Methods: Project management according to the customer-specific procedure
- Project language: English / German
Andreas S.
Last position:
Solution Architect, Business Analyst, Consultant, Full-Stack Lead-Developer at 50Hertz Transmission GmbH
- Solution for micro-service and frontend solution for the electric grid
- Leading of development teams
- Technologies: React-Native, TypeScript, Kotlin, AWS, Infrastructure As Code, Serverless Architecture, React, NoSQL, GraphQL, Angular, Playwright, Python, ML(Ops), Kubernetes, Docker
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
Jürgen B.
Last position:
Software Developer at Inform AG
- Coaching junior developers
- Further development and customer-specific extensions of a standard software product (microservices (DDD) and partly monolith)
- Interface extensions
- Web services
- Test automation
- Design
- Technologies used: Java8, Java17, TypeScript, Python, PostgreSQL, Spring (Integration, Data, Boot), JPA, AWS (Cloud, Lambda, EC2, SQS/SNS), Microservices, Fitnesse/Cucumber, Gitlab
Discover over 15,000 top freelancers
Statistics of experts using Apache Kafka
Aggregated from the professional profiles of matched freelancers.
Experience
20 years (Germany: 18 years)
Position duration
2.1 years (Germany: 2.7 years)
Positions per freelancer
16 (Germany: 13)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Retail, Banking and Finance
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
88% (Germany: 92%)
Master's degree or higher
44% (Germany: 56%)
Doctorate
6% (Germany: 8%)
Certifications per freelancer
3 (Germany: 2)
Most common languages
German, English, French
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 Hamburg 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 Hamburg 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.
- Information Technology (100%)
- Retail (65%)
- Banking and Finance (55%)
- Transportation (40%)
- Professional Services (40%)
- Automotive (35%)
- Healthcare (35%)
- Manufacturing (35%)
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 moving, storing and processing continuous flows of data. Companies use it to connect services, capture business events and make information available across applications without tight point-to-point dependencies. It supports durable logs, replayable events and scalable consumers.
What it builds
Kafka sits behind systems that need timely, dependable data exchange:
- Event-driven microservices and integration layers
- Real-time analytics and operational dashboards
- Data pipelines for applications, warehouses and lakehouses
- Change data capture and audit-ready event histories
- IoT, logistics, payments and customer activity streams
Ecosystem and tooling
Strong Apache Kafka specialists work across topics, partitions, consumer groups, replication and schema management. They may use Kafka Connect for source and sink integrations, Kafka Streams or ksqlDB for processing, and Schema Registry with Avro, JSON Schema or Protobuf. Kubernetes, Java, Scala, Python, observability tools and cloud services often complete the delivery environment.
When expertise matters
Companies bring in freelance Kafka professionals when a prototype must become a reliable production service, when event volumes or integrations are changing, or when incidents expose weak delivery guarantees. In Hamburg, this can support logistics, media, commerce and industrial systems while enabling focused remote collaboration with local teams. German or English communication may be relevant to the project.
Delivery responsibilities
A specialist can define event contracts, partitioning and retention policies, then implement producers, consumers and stream-processing logic. The work may include cluster sizing, security, access control, monitoring, alerting, disaster recovery and migration from legacy queues. Good documentation and clear ownership make the event backbone easier to operate.
Signs of quality
Look for professionals who explain ordering, idempotency, delivery semantics and failure recovery in practical terms. They should test rebalancing, replay, schema evolution and back-pressure rather than relying on a successful happy path. Relevant experience also includes:
- Designing topics around business events
- Tuning consumers and partition strategies
- Securing and monitoring production clusters
- Connecting Kafka to existing data systems
Frequently asked questions
Not sure where to start with Apache Kafka? These answers cover the essentials.
Apache Kafka is used to publish, store and process streams of events between applications and data systems. Typical work includes microservice integration, real-time analytics, change data capture and reliable data pipelines.
Apache Kafka is built around a durable, replayable event log and high-throughput distributed consumption. RabbitMQ and traditional queues can be a better fit for task dispatch, complex routing or short-lived messages, so the choice depends on ordering, replay, scale and delivery requirements.
A strong Apache Kafka specialist often works with Java, Scala, Python, Kafka Streams, Kafka Connect and Schema Registry. Experience with Kubernetes, cloud infrastructure, databases, security and observability is also valuable because Kafka rarely operates in isolation.
The right level depends on the project risk, not only its size. A simple integration may need someone comfortable with producers and consumers, while a regulated or business-critical platform calls for a professional who has handled partitioning, replication, schema evolution, incidents and recovery.
Yes. Apache Kafka projects are often suitable for remote collaboration when infrastructure access, incident procedures and architecture decisions are documented clearly. Hamburg teams may choose remote delivery, on-site workshops or a hybrid setup, with German or English agreed as the working language.
Ask how the specialist would handle ordering, duplicate events, consumer rebalancing, schema changes and a broker failure. A credible Apache Kafka professional connects those decisions to business impact and proposes tests, monitoring and rollback steps instead of describing only configuration settings.
Kafka Streams is a practical choice when processing logic is closely tied to Kafka topics and the application should remain deployable as a standard service. A separate framework may suit large stateful workloads, broad batch processing or teams that already operate another stream-processing system.
Clarify the event sources, consumers, ordering needs, retention, expected failure scenarios and current infrastructure. For an Apache Kafka engagement, it also helps to document security requirements, ownership of schemas and whether the goal is a new platform, a migration or a production recovery.
The average hourly rate of freelancers in Hamburg, Germany who have used Apache Kafka in their recent projects is 106 €, which corresponds to a daily rate of about 846 € based on an 8-hour working day.
Of the freelancers in Hamburg, Germany who have used Apache Kafka in their recent projects, 88% hold at least a Bachelor's degree, 44% hold at least a Master's degree, and 6% hold a doctorate.
On average, freelancers in Hamburg, Germany who have used Apache Kafka in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 2.1 years.
The most common languages among freelancers in Hamburg, Germany who have used Apache Kafka in their recent projects are German (100%), English (95%), and French (5%).
The most common industries among freelancers in Hamburg, Germany who have used Apache Kafka in their recent projects are Information Technology (100%), Retail (65%), and Banking and Finance (55%).
The most common business areas among freelancers in Hamburg, Germany who have used Apache Kafka in their recent projects are Information Technology (100%), Product Development (95%), and Project Management (70%).
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.
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Munich 
Cologne 
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Stuttgart 
Dusseldorf 
Essen 
Nuremberg Request a free demo
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