Apache Kafka Experts in Vienna
, matched in minutes from over 15,000 CVs with the power of AIHire experts who design event streaming architectures, build Kafka-based data pipelines and connect services through reliable topics and schemas. FRATCH matches you quickly with vetted, available freelancers who fit your technical needs.
Meet FRATCH Experts in Vienna, who have recently used Apache Kafka
Alexander P.
Last position:
Owner & Lecturer at Artellico / Own company for AI governance and data products
- Consulting and interim management at the intersection of IT operations and regulation
- Impact assessment and implementation planning for NISG 2026 and the EU AI Act, including risk management and reporting and evidence processes
- Training for governing bodies and employees on regulatory obligations
- Teaching assignments in Data & Information Management and Human-Machine Interaction at Hochschule Burgenland, since 2023
- Supervision of Master's theses and participation on examination boards
- Industry talks for businesses and educational institutions
- Design and development of data and AI products, platforms and pipelines
- Privacy-first architectures and Zero-Knowledge encryption, cloud-native on EU infrastructure
- Integration with bank account systems using SEPA direct debit mandates and message formats under ISO 20022 (pain.008, camt.053)
- MLOps and AIOps in live operations
- Own applications under my own brand: shared codebase, separate deployment for each target device
- AI-assisted software development (vibe-coding), complete agentic pipelines, code generation, implementation, automated testing, CI/CD and release cycles
- Professional publications on the EU AI Act, NIS2, DORA, CRA and CER as an integrated governance system
- Professional publications on data sovereignty, cloud economics and industrial image processing
- AI governance / compliance: data quality, Responsible AI, EU AI Act readiness, risk classification, AI ethics
Christian E.
Last position:
Cyber Trust Austria Silver Certification at PrimeFaktor GmbH
Cyber Trust Austria Silver Certification
- Led application and implementation of the Cyber Trust Austria Silver label (KSV1870 Cyber Risk A-Rating; 25 validated controls)
- Mapped and fulfilled requirements covering risk management, incident response, access control, vulnerability and penetration testing, BCM, and supply-chain security, aligned with ISO/IEC 27001/27002 control themes and NIS 2 / NISG 2026 expectations
- Coordinated stakeholders, compiled audit evidence, and completed KSV1870 validation
John A.
Last position:
Software Developer and DevOps Engineer at Bundesrechenzentrum (BRZ)
Refactoring and improving core APIs; implementing client change requests. Setting up metrics, traces, and logs monitoring infrastructure to support operations. Designing GitOps deployment and infrastructure as code. Applications and systems configuration in ArgoCD and Openshift. Confluence documentation of design, approach, and solution. Tech Stack: Java 8 & 21, Spring framework, JSP, JavaScript, Bash scripts, SQL, Grafana Stack, OpenTelemetry, Docker, DB2, Maven, Kubernetes Kompose.
Marc-Anthony T.
Last position:
Software Developer at Dawnguard.AI
- Took Dawnguard from initial product concept to a launched MVP within two months, building the backend platform and reducing cloud-environment scan times from approximately 40 minutes to under two minutes across 70 accounts.
- Designed and built the core resource discovery engine for Azure and AWS, enabling the frontend to visualise complex cloud environments and the AI to evaluate architectural patterns.
- Engineered distributed APIs and dynamic Cosmos DB schemas to support rapidly evolving product requirements and variable cloud-environment structures.
- Built the architecture-generation engine to support clients with 100+ cloud accounts and dynamically generate complete architectures containing approximately 25,000 resources.
- Developed custom data-generation tools that enabled the AI and frontend teams to simulate and test large-scale cloud architectures.
- Delivered backend features end to end by working with AI, frontend, and business stakeholders from technical design through implementation and testing.
Marcel S.
Last position:
Senior AI Engineer - Python at Insurance Company
Project Tech Stack: Python, AWS, Azure, FastAPI, openai, pandas, unittest/pymock
Achievements:
- Engineered automated data extraction pipelines to transform complex Excel datasets into structured formats via LLM-driven workflows.
- Architected a generative slide-deck engine that translates natural language prompts into formatted presentation assets.
- Integrated advanced LLM capabilities with the OpenAI Response API, implementing sophisticated tool-calling and structured output logic.
- Developed and containerized scalable backend microservice using FastAPI, Docker, and OpenShift to host and serve agentic skills.
Michail M.
Last position:
OpenShift / Kubernetes Consultant at cloudWerkstatt
Implementation and operation of OpenShift / Kubernetes solutions for customers, focusing on aspects such as storage, virtualization, security, logging, monitoring, and high availability. Support with application containerization and modernization.
Benjamin A.
Last position:
Multi-Project Manager at Trading Company
- Setup of a new Data Warehouse (Budget ~€15M 2025 – 2026)
- Backend modernization project (Budget ~€5M 2025 – 2026)
- Standard software rollout with custom programming (Budget ~€9M 2025 – 2026)
Joseph W.
Last position:
Freelancer Cloud / Solution Architect (AWS) at A1 Bank
- I am responsible for providing solution architecture and technical assistance for a migration initiative aimed at transitioning to a new core banking system.
- The project involves replacing in-house development with a commercially available off-the-shelf core banking system operated as SaaS on AWS.
- Duties encompass solution design, technical coordination, supporting development teams, and providing IT support and troubleshooting.
- Managing over 10 global vendors and partners is crucial to project success.
- Technologies: VMWare ESXi, AWS, EKS Kubernetes, Mastercard Payment Transaction Service, Avaloq, A1 Telekom Austria infrastructure, CheckPoint FW, F5, Site-to-Site VPNs, PingID, Futurae SDK, Airlock, UC4/Automic, Firebase, iOS/Android lifecycle management, AWS IAM, AWS AppStream, AWS S3, AWS Transfer Family, QlikView, OpenAPI.
Maximilian K.
Last position:
Consultant at Specific-Group Austria
IT Seniors | .NET, Java | Freelance & employee possibilities | 80 - 100% Remote in Europe.
Who is the Specific Group?
- Sector: 70% Finance & Fintech - 30% Industry: KTM, Liebherr, Porsche, VW
- Over 20 Scrum teams enable project changes instead of company changes
- Over 200 technical colleagues in Vienna (90% senior colleagues)
- 25 years in the IT market, 11 branches in Europe (450 technical colleagues in total)
- Technical focus: Java Spring, Kafka, AWS/Azure
Discover over 15,000 top freelancers
Statistics of experts using Apache Kafka
Aggregated from the professional profiles of matched freelancers.
Experience
22 years
Position duration
2.3 years
Positions per freelancer
12
Top business areas
Information Technology, Product Development, Operations
Top industries
Information Technology, Banking and Finance, Healthcare
Certification focus areas
Information Technology, Project Management, Business Intelligence
Bachelor's degree or higher
71%
Master's degree or higher
71%
Doctorate
14%
Certifications per freelancer
5
Most common languages
German, English, French
Speak two or more languages
89%
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 Vienna 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 Vienna 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 (89%)
- Banking and Finance (67%)
- Healthcare (56%)
- Insurance (56%)
- Government and Administration (56%)
- Aerospace and Defense (44%)
- Transportation (44%)
- Manufacturing (44%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Event streaming foundation
Apache Kafka is a distributed event streaming platform for publishing, storing and processing records at scale. Companies use it to move data between services, capture business events and feed analytics systems without tightly coupling producers to consumers.
Systems built with Kafka
Kafka supports real-time architectures across many domains:
- Event-driven microservices and service integration
- Customer activity, payment and order event streams
- Data pipelines for analytics, reporting and machine learning
- Log aggregation, monitoring and operational data flows
- Change data capture from transactional databases
Ecosystem and tooling
Strong specialists work with brokers, topics, partitions, replication, consumer groups and retention policies. They may also use Kafka Connect, Kafka Streams, Schema Registry, ksqlDB and frameworks such as Spring for Apache Kafka. Fluency with Java, Scala, Python or Go is often relevant, alongside Kubernetes, Docker and cloud infrastructure.
When companies need specialists
Freelance expertise helps when a team is introducing Kafka, replacing fragile point-to-point integrations or resolving throughput and reliability problems. Specialists can define event contracts, plan migrations, tune clusters, secure access and establish observability. In Vienna, they may support local delivery teams on site while collaborating remotely with international product and infrastructure groups.
What quality looks like
A capable professional designs for failure rather than treating Kafka as a simple message queue. They understand ordering boundaries, delivery semantics, replay, idempotency, back-pressure and schema evolution. They also document operational decisions and connect technical choices to business-critical workflows.
Deliverables and collaboration
Typical deliverables include an event model, topic and partition strategy, infrastructure configuration, producer and consumer services, integration tests and monitoring dashboards. Before engaging a specialist, clarify traffic patterns, recovery objectives, data sensitivity and ownership of operations. Clear communication in English, and where needed German, supports effective collaboration with Vienna-based stakeholders.
Frequently asked questions
What clients ask us most about Apache Kafka — answered in short.
Apache Kafka is used to collect, distribute and process streams of events between applications and data systems. It fits use cases such as microservice integration, real-time analytics, change data capture and operational monitoring.
Apache Kafka is designed around durable, ordered event logs that multiple consumers can read and replay. RabbitMQ and traditional queues often focus more directly on message delivery and routing, so the right choice depends on replay needs, throughput, routing complexity and operational preferences.
A strong Apache Kafka specialist usually understands distributed systems, networking, Linux and cloud infrastructure. Useful adjacent skills include Java or Python, Kubernetes, database integration, Schema Registry, Kafka Connect, observability and security controls.
The required depth depends on the system rather than a fixed period of experience. A simple integration may need solid producer and consumer knowledge, while a business-critical cluster requires proven skills in partitioning, replication, upgrades, recovery testing and performance analysis.
Apache Kafka work is often suitable for remote collaboration because configuration, code, testing and monitoring can be managed through shared repositories and infrastructure tools. On-site work in Vienna can still help with architecture workshops, regulated environments or close coordination with local stakeholders.
Ask the Apache Kafka professional to explain a production design, including failure handling, replay, consumer lag, schema changes and access control. Look for clear trade-offs, practical runbooks and evidence that they have operated event-driven systems, not only configured a development cluster.
Apache Kafka may be excessive for a small application that needs simple request-response communication or lightweight task queues. It can also be a poor fit when the team cannot support cluster operations, data governance and monitoring, or when strict low-latency routing is better served by another system.
A good Apache Kafka freelancer should begin with a system assessment and an explicit event model. Early outputs may include topic ownership, schemas, partitioning assumptions, integration boundaries, security requirements and a rollout plan with tests for failure and recovery.
The average hourly rate of freelancers in Vienna, Austria who have used Apache Kafka in their recent projects is 104 €, which corresponds to a daily rate of about 834 € based on an 8-hour working day.
Of the freelancers in Vienna, Austria who have used Apache Kafka in their recent projects, 71% hold at least a Bachelor's degree, 71% hold at least a Master's degree, and 14% hold a doctorate.
On average, freelancers in Vienna, Austria who have used Apache Kafka in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers in Vienna, Austria who have used Apache Kafka in their recent projects are German (100%), English (89%), and French (33%).
The most common industries among freelancers in Vienna, Austria who have used Apache Kafka in their recent projects are Information Technology (89%), Banking and Finance (67%), and Healthcare (56%).
The most common business areas among freelancers in Vienna, Austria who have used Apache Kafka in their recent projects are Information Technology (100%), Product Development (78%), and Operations (67%).
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.
Countries:
Vienna 
Graz Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!
Philipp Thomaschewski
FRATCH CEO
