Hibernate Experts in Austria
matched in minutes from over 15,000 CVsHire experts who design persistence layers with Hibernate ORM and JPA, tune SQL performance, and integrate Java applications with relational databases. FRATCH connects you with precise, fast-matched, vetted and available freelancers for your project.
Meet FRATCH Experts in Austria, 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.
Peter S.
Last position:
Lead Software Architect at Pritz IT GmbH
- Lead software architect in a greenfield MES project (Manufacturing Execution System / factory control system), responsible for architecture decisions, technology selection, and technical direction throughout the entire development lifecycle
- Designed and built the core framework from scratch, including several reusable Spring Boot starters (e.g., OPC-UA integration, messaging, security) that enable flexible composition of the individual system modules
- Introduced Keycloak as the central authentication and authorization system with SSO across all MES components
- Created and owns the full CI/CD pipeline covering Java, NPM and Docker – automating build, test, containerisation and deployment across all project components
- Set up the architecture documentation space in Confluence as the single source of truth for all architecture decisions, component designs, and integration patterns
- Defined and enforced naming conventions and coding standards to ensure consistency in the growing codebase
- Conducted regular code reviews for quality assurance, knowledge sharing, and adherence to architecture guidelines
- Created and maintained technology roadmaps to guide future development priorities and infrastructure investments
Jaroslav A.
Last position:
Child care, personal development and learning
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
Sebastian H.
Last position:
Software Developer at FERCHAU Austria GmbH
- Development and project management of configuration and calibration assistants for pick-and-place machines (Tools: Python, PyQt, Jira, Confluence)
- New development and project management of a project and production planning software for ski manufacturing (Tools: C#, WinForms, WPF, DevExpress, MS SQL, Jira, Confluence)
- New development and project management of documentation software for the test lab in the ski manufacturing process (Tools: Java, Spring Boot, REST API, Hibernate, MSSQL, React, Mantine.dev, Tiptap, Jira, Confluence)
- Further development and project management of warehouse management software with associated hardware for medical technology (Tools: Java, Quarkus, Flutter, ESP32, C/C++, Google Cloud, Jira, Confluence)
- Enhancement of a web application in the construction sector: improving user experience, developing new features, and updating outdated code parts (Tools: React, Node.js, Linux, GitLab)
- Further development of a web application for visualizing production steps by generating a graph based on various parameters; extending the search and filter function (Tools: Angular, Jira, Confluence)
- Modernization of a client's IT infrastructure in the online retail sector by provisioning cloud services with Terraform and creating a prototype of a web application (Tools: Terraform, AWS, Google Cloud)
- Planning, designing, and development of an application for a client's internal meeting management in the banking sector with integration into the Microsoft ecosystem; project management using SCRUM (Tools: Figma, React, Node.js, Microsoft Graph API, Jira, Confluence, Bitbucket)
- New development and modernization of a mobile smartphone application for product portfolio management of an IT service provider; project management using SCRUM (Tools: Figma, React Native, Android, iOS, Android Studio, Jira, Confluence, Bitbucket)
- Creation of an implementation concept for a monitoring system for rail infrastructure and development of graphical click prototypes (Tools: Figma, Microsoft Word, Microsoft SharePoint, Jira, Confluence)
- Software development in various technologies and programming languages
- Project management and organization of SCRUM meetings
- Point of contact for the client and distribution of tasks within the internal project team
- Requirements engineering: requirement analysis with the client
- Planning and conducting workshops
- Design and implementation of software architectures with prototype development
- UX/UI design of mobile, desktop, and web applications
Alexander B.
Last position:
IT-Consultant and Trainer at Self-employed
- Enterprise & Solution Architecture and Business Analysis for various clients
- IT-Trainer for Software Architecture (Sparx Systems GmbH) and Business Process Modeling
- Data Analyst for Novustat (Statistics, Machine Learning, Financial Mathematics)
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
Florian J.
Last position:
Senior Android Consultant at Bragi GmbH
- Working within a cross-functional team developing upgrades for in-app features
- Android app development since 2016
- App: Skull IQ & many more
Discover over 15,000 top freelancers
Statistics of experts using Hibernate
Aggregated from the professional profiles of matched freelancers.
Experience
23 years
Position duration
3.1 years
Positions per freelancer
8
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Insurance, Telecommunication
Certification focus areas
Information Technology, Project Management, Business Intelligence
Bachelor's degree or higher
70%
Master's degree or higher
40%
Doctorate
10%
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 Austria 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 Austria 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%)
- Insurance (55%)
- Telecommunication (55%)
- Transportation (45%)
- Government and Administration (45%)
- Banking and Finance (36%)
- Manufacturing (36%)
- Professional Services (27%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Hibernate ORM explained
Hibernate ORM is a Java persistence framework that maps object-oriented domain models to relational database tables. It reduces repetitive JDBC and SQL code while supporting transactions, caching, lazy loading and automatic dirty checking. Many teams use Hibernate through the Jakarta Persistence API, commonly still called JPA.
Where it fits
Hibernate appears in business applications that manage customers, orders, contracts, inventory and financial records. It is often part of Spring or Jakarta EE services, where the persistence layer must remain consistent while the rest of the application evolves.
- Map entities and relationships to relational schemas
- Implement transaction-safe data access
- Support complex queries and reporting workflows
- Integrate persistence with REST and messaging services
Ecosystem and tooling
Strong Hibernate work includes Java, SQL and a relational database such as PostgreSQL, Oracle or Microsoft SQL Server. Specialists may also use Spring Data JPA, Liquibase or Flyway for schema changes, Maven or Gradle for builds, and database profiling tools to inspect generated queries.
Annotations and XML mappings both occur in established systems. Knowledge of the Jakarta Persistence specification helps experts keep application code portable, while Hibernate-specific features can solve requirements that standard JPA does not cover.
When companies need help
Freelance expertise is useful when a team inherits slow or unreliable persistence code, moves from JDBC to an ORM, or upgrades an older Java application. It also helps during database migrations, high-load releases and audits of transaction behaviour.
- Diagnose N+1 queries and excessive database traffic
- Refactor entity mappings without breaking business rules
- Improve batching, fetching and second-level caching
- Review migration risks and production observability
What quality looks like
A capable professional understands both the object model and the SQL Hibernate produces. They define clear transaction boundaries, choose fetching strategies deliberately and test behaviour with realistic data volumes. They also know when a native query or direct JDBC is safer than forcing every operation through an ORM.
Good delivery includes readable mappings, controlled schema changes and documentation for future maintainers. In Austria, teams may work fully remotely or combine remote delivery with on-site sessions, depending on security, coordination and system access needs.
Choosing the right specialist
Ask for examples involving the database engine, Java stack and transaction patterns used in your system. A strong expert can explain query plans, locking, isolation levels, cascade rules and migration trade-offs in clear terms.
For an existing application, provide representative logs, entity mappings and performance symptoms before the engagement begins. The right freelancer should leave behind tested changes, measurable query improvements and a persistence layer the internal team can operate confidently.
Frequently asked questions
Questions about Hibernate? Start with the answers below.
Hibernate maps Java objects to relational database records and manages much of the persistence lifecycle. Companies use it for transactions, entity relationships, querying and application data access in systems built with Java, Spring or Jakarta EE.
Hibernate ORM removes much of the repetitive mapping and resource-handling code required with JDBC. JDBC can offer more direct SQL control, while Hibernate is often more productive for domain-rich applications; experienced specialists choose between them per operation.
Hibernate is an implementation of the Jakarta Persistence specification, formerly known as JPA. JPA defines standard APIs and behaviour, while Hibernate ORM provides the runtime plus additional features that are specific to its ecosystem.
A strong Hibernate expert should also understand Java, SQL, relational database design and transaction management. Spring Data JPA, REST services, schema migration tools, testing and query-plan analysis are useful additions for most application projects.
The required depth depends on the risk and scale of the work. A simple mapping task may need focused Hibernate knowledge, while a legacy migration or production performance issue calls for an expert who has handled entity redesign, locking, caching and database diagnostics.
Yes, many Hibernate tasks can be completed remotely through repositories, secure environments, documentation and regular technical sessions. On-site collaboration may still help when access controls, workshops or close coordination with an Austrian team are important.
Ask the specialist to explain the SQL generated by Hibernate, transaction boundaries and the reason behind each fetching strategy. Review tests, query plans, migration safety and production monitoring rather than judging mappings by appearance alone.
Typical Hibernate issues include N+1 queries, unbounded result sets, inefficient joins, excessive flushing and poorly chosen cache settings. A capable freelancer reproduces the problem with realistic data, inspects SQL and proposes a targeted fix instead of changing fetch modes blindly.
The average hourly rate of freelancers in Austria who have used Hibernate in their recent projects is 92 €, which corresponds to a daily rate of about 737 € based on an 8-hour working day.
Of the freelancers in Austria who have used Hibernate in their recent projects, 70% hold at least a Bachelor's degree, 40% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers in Austria who have used Hibernate in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 3.1 years.
The most common languages among freelancers in Austria who have used Hibernate in their recent projects are German (100%), English (100%), and French (18%).
The most common industries among freelancers in Austria who have used Hibernate in their recent projects are Information Technology (100%), Insurance (55%), and Telecommunication (55%).
The most common business areas among freelancers in Austria who have used Hibernate in their recent projects are Information Technology (100%), Product Development (100%), and Project Management (45%).
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.
Vienna Graz 
Vienna Countries:
- Germany
- Austria
- Switzerland
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