Apache Solr Experts in Hamburg
with precise AI matching and vetted freelancers available nowHire experts who design search schemas, tune Apache Lucene queries and connect SolrCloud to data platforms, content systems and commerce applications. FRATCH matches you quickly with precise, vetted and available freelance specialists.
Meet FRATCH Experts in Hamburg, who have recently used Apache Solr
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.
Martin W.
Last position:
Security Auditor at MissionMe
- Environment: AWS, Ruby on Rails, GraphQL, React Native
- Penetration test for Backend, Android-App and iOS-App
David A.
Last position:
Senior SAP Commerce Cloud Developer at Freelancer
- Integration of SAP Commerce Cloud with SAP Cloud for Customer
- Creation and execution of unit and integration tests
- Error analysis and bug fixing
Sridhar H.
Last position:
SAP CX Consultant at Anonymous
- Stack: SAP Commerce 2011 (B2C).
- Migrating the data from Stibo system to SAP Commerce Cloud.
- Mapping the data from Stibo system to SAP Commerce Cloud.
- Integrating hot folders to support multiple countries and languages.
- Integrating validation tools for migrated data and generating validation reports.
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
Osiozekhai A.
Last position:
Developer at Amorelie
- New calendar functions for the Christmas calendar
- Improved RMA handling
- Setup new Docker environment for the team
Discover over 15,000 top freelancers
Statistics of experts using Apache Solr
Aggregated from the professional profiles of matched freelancers.
Experience
23 years (Germany: 21 years)
Position duration
1 year (Germany: 1.9 years)
Positions per freelancer
22 (Germany: 16)
Top business areas
Information Technology, Product Development, Operations
Top industries
Information Technology, Retail, Banking and Finance
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
100% (Germany: 94%)
Master's degree or higher
67% (Germany: 55%)
Certifications per freelancer
2
Most common languages
German, English, French
Speak two or more languages
100%
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 Solr
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 Solr 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 (100%)
- Banking and Finance (67%)
- Transportation (50%)
- Manufacturing (50%)
- Media and Entertainment (50%)
- Professional Services (50%)
- Advertising (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Search foundations
Apache Solr is an open-source search platform built on Apache Lucene. It indexes structured and unstructured data, processes queries and returns relevant results through APIs. Companies use it for product search, document discovery, site search and enterprise knowledge retrieval.
Core capabilities
Solr supports full-text search, faceting, filtering, highlighting, autocomplete and spell correction. Specialists configure fields, analyzers, tokenization, scoring and relevance rules so results reflect the language and intent of each use case. They also handle multilingual content and complex data models.
Ecosystem and tooling
The wider Solr ecosystem includes SolrCloud, ZooKeeper, Apache Lucene, schema management and administrative APIs. Strong professionals work with Java, HTTP interfaces, JSON, XML, SQL or NoSQL data sources, and observability tools. They connect Solr with ingestion pipelines, CMS products, commerce systems and analytics workflows.
Typical project needs
- Design an index and migrate data from an existing search system
- Build product, catalog or document search with facets and filters
- Improve relevance, autocomplete, synonyms and language handling
- Configure SolrCloud replication, sharding and recovery
- Integrate search APIs with web, mobile or internal applications
When specialists help
Companies bring in freelance expertise when search quality affects conversion, research speed or access to internal knowledge. External professionals are useful during migrations from Elasticsearch or another Lucene-based solution, during major schema changes, and when a production cluster needs reliable scaling. In Hamburg, remote collaboration can work well, while on-site workshops may help teams align on domain language and search goals.
What strong professionals deliver
The best specialists connect technical choices with measurable search behavior. They test relevance with representative queries, inspect slow requests, protect indexing pipelines and document decisions for internal teams. They understand when Solr is a better fit than another search service, and when its operational complexity calls for a different approach.
Frequently asked questions
Everything clients usually want to know about Apache Solr, in one place.
Apache Solr is used to build fast search and discovery features over structured or unstructured data. Common applications include ecommerce product search, enterprise document retrieval, media libraries, site search, autocomplete and faceted navigation.
Solr and Elasticsearch both use Apache Lucene and support distributed full-text search, filtering and analytics. The better choice depends on query needs, existing infrastructure, team preferences, governance requirements and the operational model a company wants to maintain.
A strong Apache Solr specialist usually understands Apache Lucene, Java, REST APIs, data modeling and indexing pipelines. Experience with SolrCloud, ZooKeeper, containers, monitoring and source systems such as databases or content platforms is also valuable.
Solr expertise is useful for new search products, relevance improvements, platform migrations and production troubleshooting. A freelance specialist can also help when internal teams need a clear schema, better language analysis or a safer path to distributed search.
The right level depends on scope rather than a fixed time period. A simple index and API integration may need focused support, while SolrCloud, multilingual relevance, high ingestion volume or a migration requires a professional who has handled comparable systems in production.
Apache Solr projects are often well suited to remote collaboration because configuration, code, query testing and monitoring can be reviewed online. Hamburg teams may still prefer on-site workshops for search discovery, stakeholder interviews or alignment on German-language content and business terms.
Ask how the specialist approaches schema design, relevance testing, failure recovery and observability. A capable Solr professional explains trade-offs clearly, uses representative queries rather than assumptions, and can show how search behavior will be measured and improved.
Define the data sources, expected query types, language requirements, freshness needs and current production issues. For Apache Solr, also clarify whether the work covers SolrCloud operations, migration, application integration, relevance tuning or knowledge transfer.
The average hourly rate of freelancers in Hamburg, Germany who have used Apache Solr in their recent projects is 100 €, which corresponds to a daily rate of about 797 € based on an 8-hour working day.
Of the freelancers in Hamburg, Germany who have used Apache Solr in their recent projects, 100% hold at least a Bachelor's degree and 67% hold at least a Master's degree.
On average, freelancers in Hamburg, Germany who have used Apache Solr in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 1 year.
The most common languages among freelancers in Hamburg, Germany who have used Apache Solr in their recent projects are German (100%), English (100%), and French (33%).
The most common industries among freelancers in Hamburg, Germany who have used Apache Solr in their recent projects are Information Technology (100%), Retail (100%), and Banking and Finance (67%).
The most common business areas among freelancers in Hamburg, Germany who have used Apache Solr in their recent projects are Information Technology (100%), Product Development (100%), and Operations (67%).
Main locations of FRATCH Experts, who have recently used Apache Solr
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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