
Hibernate Experts in Vienna
matched in minutes from 15,000 CVs with the power of AI and vetted availabilityHire experts who design clean JPA mappings, tune query performance, and keep persistence layers stable in Spring-based systems, Java services, and data-heavy applications. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Vienna, who have recently used Hibernate
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.
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.
Vladislav F.
Last position:
Senior Test Automation Engineer / Test Manager at Stadt Wien – WUKSEA
- Creating test scenarios, manual test cases and test data using boundary value analysis and equivalence classes
- Executing functional and non-functional tests (manually with Postman and web application, automated with WebDriver, JUnit and NUnit)
- Setting up, automating and maintaining the test automation framework with Java, Spring Boot, Selenium and Cucumber in IntelliJ (system, regression, smoke, UI and integration tests for web front-end and SOAP API backend interfaces)
- Automating backend NUnit test cases in Visual Studio
- Test management: developing and implementing test strategy and test plans, controlling tests, quality ownership and prioritizing risk-based tests, as well as maintaining documentation in Confluence
- Detailed analysis and quality assurance of requirements
- Creating and maintaining Jenkins pipelines, ensuring quality in build & deployment
- Close collaboration with business analysts, developers, testers and test management
- Identifying, creating and tracking defects/bugs, with thorough test documentation
- Reporting test results and defect reports
- Monitoring test processes and continuous improvements
- Reviewing test data and test results in PostgreSQL database via pgAdmin
- Supporting effort estimation and backlog prioritization
- Analyzing and debugging development code System environment: Java, JUnit, Spring Boot, Selenium, Cucumber, JavaScript, Jenkins, C#, NUnit, Postman, Bitbucket, Confluence, Jira, xRay, pgAdmin, PostgreSQL, SonarQube, Maven, IntelliJ, Visual Studio, CI/CD, SOAP API interfaces
Attila D.
Last position:
Full-Stack Software Engineer at Research Data Evaluation
- Custom anonymized research data analyzer, providing insights and facilitating data-driven decision-making.
- Designed and developed back- and frontend.
- Delivered end-to-end solution.
- Accelerated research timeline by 2 months.
Javid A.
Last position:
B2B Contract - Senior Fullstack developer (Java + Angular)
- Project: E-Platform with 100k users
- Skills: Java, Spring, Spring Boot
- TechStack: Angular 18, Java 17, Spring Boot, Oracle DB, Spring Data, JPA, Hibernate, Oracle, Postgres, SQL
Monji M.
Last position:
Senior Software Developer at AMA Wien
IT concept
Implementation
Estimation
Design
Installation
Oracle APEX applications for farmers in Austria to register their products and get subsidies.
Implement new applications or adapt existing applications according to customer requirements (CR)
Fix bugs
Update data in the database
Install applications
Technologies/methods used: Oracle DB, PL/SQL, DM, Oracle Apex, JavaScript, CSS, OpenLayers, GIT
Discover over 15,000 top freelancers
Statistics of experts using Hibernate
Aggregated from the professional profiles of matched freelancers.
Experience
21 years

Position duration
2.5 years

Positions per freelancer
9

Top business areas
Information Technology, Product Development, Operations

Top industries
Information Technology, Transportation, Insurance

Certification focus areas
Information Technology, Business Intelligence, Product Development
Bachelor's degree or higher
60%
Master's degree or higher
40%

Certifications per freelancer
4

Most common languages
German, English, French

Speak two or more languages
100%
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Vienna are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Vienna using Hibernate
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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Hibernate 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%)
- Transportation (83%)
- Insurance (67%)
- Government and Administration (67%)
- Telecommunication (67%)
- Banking and Finance (33%)
- Professional Services (33%)
- Advertising (17%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Hibernate in practice
Hibernate is a Java persistence framework used to map objects to relational data. It helps teams keep domain logic in Java while handling SQL generation, joins, lazy loading, and transaction-aware data access. It is common in enterprise applications, APIs, and back-office systems.
Where it fits
- JPA-based service layers
- Spring and Spring Boot applications
- Legacy Java systems that need safer data access
- Reporting, workflow, and admin tools
- Systems with complex entity relationships
Skills that matter
Strong Hibernate specialists know entity mapping, fetch strategies, caching, and flush behavior. They also understand how Hibernate works with JPA, transactions, validation, and database indexes. Good specialists keep the object model and the database model aligned.
Typical project work
Companies bring in freelance help when queries are slow, mappings are messy, or a release keeps breaking persistence logic. They also need support for schema changes, migration from raw JDBC, and cleanup of old annotations. In Vienna, this often comes up in enterprise IT, finance, logistics, and internal business software.
Tooling around it
- JPA and Jakarta Persistence
- Spring Boot and Spring Data JPA
- PostgreSQL, Oracle, MySQL, and SQL Server
- Liquibase or Flyway for schema change control
- Test tools for repository and integration coverage
What strong professionals deliver
A strong Hibernate expert writes mappings that are easy to maintain and safe under load. They spot N+1 issues, choose the right fetch plan, and know when to use native SQL instead of forcing ORM shortcuts. They leave behind code that is readable, predictable, and ready for long-term use.
Frequently asked questions
Everything clients usually want to know about Hibernate, in one place.
Hibernate is used to persist Java objects in relational databases without writing every SQL statement by hand. It is common in service layers, domain-driven systems, and applications that need complex entity mapping, transactions, and query handling. Teams often choose it when they want a structured data access layer instead of direct JDBC code.
Hibernate is a persistence framework, while JPA is the standard API it implements. Spring Data JPA sits on top and adds repository abstractions, but Hibernate still does the actual ORM work underneath in many setups. A freelancer should understand all three because real projects often combine them.
A company usually brings in Hibernate expertise when mappings become hard to maintain, queries slow down, or persistence bugs appear after schema changes. It also helps during migrations from JDBC, older ORM setups, or plain SQL-heavy code. A specialist can quickly isolate whether the issue is mapping, fetching, transactions, or the database itself.
A strong Hibernate specialist should also be comfortable with SQL, JPA, Spring Boot, and database design. Knowledge of transactions, caching, integration testing, and schema migration tools is often important too. If the system uses Oracle, PostgreSQL, or MySQL, practical database experience matters a lot.
A small CRUD service may need only basic Hibernate knowledge, but production systems with complex joins, inheritance, and performance tuning need deeper experience. The harder the mapping and query logic, the more important it is that the specialist has handled real production incidents. For legacy systems, migration experience is often more valuable than framework familiarity alone.
The most common Hibernate issues are N+1 queries, poor fetch strategies, overuse of eager loading, and unnecessary flushes. Caching can help, but only when it is designed around real access patterns. Good specialists read SQL logs, inspect entity graphs, and tune the mapping before changing the database.
Yes, Hibernate work is often well suited to remote collaboration because most tasks center on code, schema reviews, and SQL analysis. On-site time can help when a team needs deep discovery with business stakeholders or shared legacy systems in Vienna. Clear access to logs, test data, and database snapshots matters more than location.
A good Hibernate specialist explains trade-offs clearly and can show how a mapping choice affects SQL, transactions, and maintainability. Look for clean entity design, careful fetch planning, and code that avoids hidden database work. Strong answers should mention performance, testability, and how the solution fits the existing Spring or JPA setup.
The average hourly rate of freelancers in Vienna, Austria who have used Hibernate in their recent projects is 92 €, which corresponds to a daily rate of about 733 € based on an 8-hour working day.
Of the freelancers in Vienna, Austria who have used Hibernate in their recent projects, 60% hold at least a Bachelor's degree and 40% hold at least a Master's degree.
On average, freelancers in Vienna, Austria who have used Hibernate in their recent projects have 21 years of professional experience, with a single engagement typically lasting around 2.5 years.
The most common languages among freelancers in Vienna, Austria who have used Hibernate in their recent projects are German (100%), English (100%), and French (33%).
The most common industries among freelancers in Vienna, Austria who have used Hibernate in their recent projects are Information Technology (100%), Transportation (83%), and Insurance (67%).
The most common business areas among freelancers in Vienna, Austria who have used Hibernate in their recent projects are Information Technology (100%), Product Development (100%), and Operations (50%).
Main locations of FRATCH Experts, who have recently used Hibernate
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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