JProfiler Experts in Germany
matched in minutes from over 15,000 CVs with the power of AIHire experts who diagnose Java performance issues, profile CPU and memory usage, and optimize database, thread, and garbage-collection behavior. FRATCH connects you quickly and precisely with vetted, available freelancers for focused performance work.
Meet FRATCH Experts in Germany, who have recently used JProfiler
Hooman B.
Last position:
Fullstack Developer at Möbel Roller GmbH
- Further development of the existing e-commerce platform based on SAP Commerce (Hybris) to meet the growing demands of digital commerce.
- Ensuring the scalability and performance of the backend, so the platform remained stable and efficient even under heavy user load.
- Development and integration of new OCC REST APIs and services for modular extensions and flexible adjustments, to implement new features quickly.
- Optimization of data flows and interfaces, which significantly improved platform efficiency and system performance.
- Ensuring a maintainable and scalable code base by using Clean Code principles, proven design patterns, and a future-proof architecture.
- Reduction of errors through extensive testing with JUnit, Mockito, and load tests with Gatling, supported by the introduction of automated test processes.
- Improved system performance through targeted refactoring measures and efficient database queries, especially to handle peak loads.
- Use of modern cloud and monitoring tools such as Kubernetes, Google Cloud Platform (GCP), and Grafana to ensure a stable and monitored infrastructure.
- Clear improvement in efficiency, scalability, and reliability of the platform, which now meets the demands of a dynamic and growing e-commerce market.
Patrick W.
Last position:
AI Software Engineer at IppenMedia
- Analysis
- Consulting
- Software design
- Development
- Automation
- Testing
- Deployment
- Architecture, development and deployment of various proof-of-concept applications around the integration of current AI interfaces including conversational, realtime voice, images and videos
- Developed best practices for working with agentic systems and AI in practice
- Created code templates
Ulm P.
Last position:
DataStage ETL Expert at ING Bank
- Datastage 11.7, dbt, Oracle 19, Python 3.12 / PySpark 3.5, Azure GitHub, Azure DevOps, Automic
- Development of migration jobs to transfer data from the collection DWH to the new Risk Mart, as well as development of ETL pipelines to migrate historical data from the old Mart to the new Risk Mart.
- Storage of the silver layer on Hadoop and the gold layer in Oracle.
- Translation of DataStage jobs into dbt to publish reporting data in Google Cloud to a PostgreSQL database.
- Creation and optimization of complex SQL queries for data extraction from a data vault, taking into account historical data in the point-in-time tables.
- Creation of Oracle table definitions (DDL) and adjustment of existing stored procedures.
- Versioning changes in GitHub and deployment via the CI/CD portal.
- Refactoring long-running DataStage jobs into Python using PySpark to reduce server load.
- Migration of SAS scripts to PL/SQL, including new development of distribution functions that have no direct equivalent in Oracle.
- Development of Automic jobs to run DataStage pipelines and Python scripts (PySpark jobs) that control the population of the SME and institutional risk tables in the Risk Mart and perform business calculations.
- Participation in the agile process, including creating user stories, estimations, and planning in Azure DevOps.
- Handling Azure DevOps tickets and close collaboration with testers and business teams for error analysis and resolution.
Fabio F.
Last position:
Senior Software Developer Backend/Frontend at Logistikunternehmen Bremerhaven
- Designed and implemented a slot management system for efficient control of truck arrivals and reducing wait times in logistics operations
- Requirements analysis
- Designed and developed a frontend with React
- Backend development with Spring Boot / JPA
- Designed and implemented REST APIs with Spring Boot OpenAPI
- Technologies: Spring Boot, React, Java, JUnit, Mockito, IBM Db2, SQL, Maven, JPA, Docker, Kafka, SOAP, REST, Git, XML, HTML, CSS, JSON, OpenAPI, Stoplight, Jenkins, WebSphere Application Server, Freemarker, IntelliJ
- Methodology: Scrum, Clean Code
- Team size: 5
Dimitri S.
Last position:
Fullstack Developer, Integrator at Generali Deutschland Versicherung AG
- Developing automated build and deployment processes for the exclusive front office systems
- Integrating the front office systems into the IT infrastructure
- Developing innovative, user-friendly sales software for financial advisors
- Ensuring quality and flexibility through automation and working with CI/CD
- Working according to DevOps principles
- Operating the software together as a team in the AWS cloud and Azure cloud
- Deploying software artifacts to testing and production environments
- Maintaining the test environments
- Performing error analysis and providing information for further root cause analysis
- Maintaining and supporting the build pipeline
- Supporting load testing
- Coordinating the batch execution schedule with batch automation
- Creating concepts to further develop the software packaging process
- Building and delivering components to partners
- Developing GitLab and Jenkins pipelines for building, deploying and integrating components
- Automating processes with Spring Boot applications with a GUI (Thymeleaf, Angular 19)
- Developing RESTful Spring Boot applications with Kotlin and Angular 19, JDBC and REST accesses, data exchange via SFTP, XML (JAXB)
- Designing components using Domain-Driven Design (DDD)
- Replacing cmd and bash scripts with Spring Boot applications with a GUI
- Replacing Java 8 applications with JSP by Spring Boot 3 applications (Thymeleaf, Angular)
- Implementing frontend and backend authentication via Keycloak
- Writing JUnit tests with Mockito
- Increasing code coverage for SonarQube analysis
Jan M.
Last position:
Interface project at HR Solutions GmbH for Rhineland-Palatinate / BAMF at HR Solutions GmbH
- Developed an adapter from the central foreigner register to an internal application
- REST, JSON, OpenAPI, Spring Boot, Vue, Java, Maven, XAusländer
- Jira/Confluence/GitHub, Scrum+Kanban
Rashid I.
Last position:
Java Developer at IT company
- Data transformations
- IT company with more than 100 employees
- Software production
- Data augmentation and normalization, image transformation, format conversion, merging data from multiple sources
- Toolset: Java, Helm, Kubernetes, Kafka, OpenCV, IntelliJ IDEA, Gradle, Git, Docker, Containers, Scrum
Discover over 15,000 top freelancers
Statistics of experts using JProfiler
Aggregated from the professional profiles of matched freelancers.
Experience
23 years
Position duration
1.4 years
Positions per freelancer
19
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Healthcare, Government and Administration
Certification focus areas
Information Technology, Human Resources, Product Development
Bachelor's degree or higher
100%
Master's degree or higher
100%
Doctorate
43%
Certifications per freelancer
3
Most common languages
German, English, Russian
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 Germany 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 Germany using JProfiler
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.
JProfiler 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%)
- Healthcare (71%)
- Government and Administration (71%)
- Automotive (57%)
- Banking and Finance (57%)
- Insurance (57%)
- Retail (57%)
- Telecommunication (57%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What JProfiler does
JProfiler is a commercial profiling tool for Java applications from EJ Technologies. It records runtime behavior so teams can investigate slow execution, memory pressure, thread contention, garbage collection, and database activity. Its views help turn raw runtime data into actionable performance findings.
Core profiling work
JProfiler supports CPU, memory, thread, monitor, exception, and probe profiling. Experts use instrumentation, sampling, call trees, hot spots, allocation recordings, and telemetry to isolate the source of a problem without relying on guesswork. They also configure filters and recording settings to keep investigations focused.
Ecosystem and tooling
JProfiler fits into Java environments built with common frameworks, application servers, and build pipelines. Strong specialists commonly work alongside:
- Java and JVM diagnostics
- Spring, Jakarta EE, or other application frameworks
- JDBC, ORM tools, and database monitoring
- Maven, Gradle, containers, and continuous integration
- Java Flight Recorder and related JVM tools
When companies need specialists
Companies bring in freelance JProfiler expertise when production latency is difficult to reproduce, a release increases resource use, or a service scales poorly under load. Typical assignments include profiling a critical transaction, reviewing heap usage, finding lock contention, tuning database calls, and creating a repeatable performance test process.
Deliverables that matter
A useful engagement produces more than a recording file. Professionals define the profiling question, choose a safe capture method, compare relevant runs, explain the evidence, and document prioritized changes. They may also provide dashboards, profiling procedures, JVM settings guidance, and verification results for the team that owns the application.
Choosing the right professional
Look for someone who can connect JProfiler findings with Java code, JVM behavior, infrastructure, and user impact. They should distinguish application defects from environment effects and explain trade-offs clearly. For teams in Germany, remote work is practical when secure access and shared test environments are ready; on-site collaboration can help with sensitive systems or workshops. German or English communication should match the project team.
Frequently asked questions
Questions about JProfiler? Start with the answers below.
JProfiler is used to analyze the runtime behavior of Java applications. It helps specialists locate CPU hot spots, memory leaks, excessive allocations, slow database calls, blocked threads, and garbage-collection pressure.
JProfiler offers an interactive interface for investigating CPU, memory, threads, probes, and database activity during a focused analysis. Java Flight Recorder is built into the JVM and is often preferred for low-overhead monitoring, so the choice depends on access, production constraints, and the depth of investigation required.
A strong JProfiler specialist also understands Java code, JVM memory management, garbage collection, concurrency, SQL, JDBC, and application frameworks. Experience with load testing, containerized deployments, observability tools, and Java Flight Recorder helps connect profiling evidence to real operating conditions.
A JProfiler project needs a professional who has investigated performance problems in applications comparable in scale and architecture to yours. The right depth depends on whether the task is a targeted code review, a complex production incident, or a broader performance improvement program.
JProfiler investigations can usually be handled remotely when the specialist receives secure access to representative environments, recordings, logs, and test data. On-site work may be useful for restricted systems, workshops, or teams that need close collaboration in Germany.
A JProfiler professional should deliver clear findings tied to evidence, not just screenshots or recording files. Useful outputs include prioritized bottlenecks, recommended changes, validation results, and instructions for repeating the analysis safely.
JProfiler can help identify leak suspects by comparing heap snapshots, allocation behavior, object references, and garbage-collection results. A specialist still needs to confirm the retention path and distinguish a genuine leak from legitimate caching or expected long-lived objects.
Ask a JProfiler professional to explain how they would frame the profiling question, protect production stability, and validate a proposed fix. High-quality work connects a measured symptom to a reproducible cause and communicates uncertainty instead of presenting every hot spot as the root problem.
The average hourly rate of freelancers in Germany who have used JProfiler in their recent projects is 97 €, which corresponds to a daily rate of about 777 € based on an 8-hour working day.
Of the freelancers in Germany who have used JProfiler in their recent projects, 100% hold at least a Bachelor's degree, 100% hold at least a Master's degree, and 43% hold a doctorate.
On average, freelancers in Germany who have used JProfiler in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 1.4 years.
The most common languages among freelancers in Germany who have used JProfiler in their recent projects are German (100%), English (100%), and Russian (29%).
The most common industries among freelancers in Germany who have used JProfiler in their recent projects are Information Technology (100%), Healthcare (71%), and Government and Administration (71%).
The most common business areas among freelancers in Germany who have used JProfiler in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (100%).
Main locations of FRATCH Experts, who have recently used JProfiler
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.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
