Quartz Scheduler Experts in Germany
matched in minutes with vetted and available freelancersHire experts who design reliable job scheduling, integrate Quartz Scheduler with Spring and Java applications, and manage clustered execution, persistence and monitoring. FRATCH uses AI to match you precisely with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used Quartz Scheduler
Ornel Franck W.
Last position:
Sales Partner at ERGO PRO
- Industry: Insurance, Trade, IT
- Customers & Projects: Consulting and selling insurance and similar services
- Main tasks: Insurance consulting (health insurance, retirement planning, wealth building); commercial services, inside and field sales; sales data analysis and forecasting; customer consulting and support; opening a new sales headquarters for private and business customers; business development & innovation management; business use case development; process optimization; stakeholder management; team leadership and training; preparation and delivery of trainings;
- Technologies used: Microsoft Office 365, Microsoft Teams, Jira, Draw.IO, Camunda 8, Java (8, 17,21,25), Git, Spring Boot, Spring Batch, Spring Data REST, Spring Web, Spring Security, J-Unit, Playwright, Lombock, Vaadin, H2, PostgreSQL (16, 17 18), pgAdmin, Docker, LLMs, JasperSoft Studio, JasperReports
Alexander K.
Last position:
Senior Fullstack Developer at Deutsche Vermögensberatung AG (DVAG)
- Further development and maintenance of a complex sales platform with a focus on digital closing processes, customer portal interactions, and document generation for financial and insurance products
- Development and maintenance of microservices with Spring Boot 3 and Kotlin
- Frontend development with Angular 20 for displaying products, applications, and documents
- Execution of end-to-end tests with Playwright and integration tests with WireMock
- Creation and optimization of Quartz jobs and CronJobs
- Refactoring of the security configuration in a multi-realm Keycloak setup with a custom filter chain, permission evaluator, and factory routing
- Creation of dynamic emails with Thymeleaf
- Extensive error analysis with Application Insights, Log Analytics, and direct SQL debugging
- Introduction of a dynamically controlled security architecture with flexible token handling depending on path and realm
- Stabilization and clear structuring of the closing process for complex product models
- Significantly improved maintainability and readability of the code through modular refactorings
- Higher test stability and depth through combined use of Playwright, WireMock, and integration tests
- Targeted performance optimization through analysis of Hibernate statistics, query tuning, and use of SQL execution plans
- Technologies used: Java 21, Kotlin, Spring Boot 3, Angular, TypeScript, REST API, JSON, Kubernetes, Docker, PostgreSQL, Liquibase, Keycloak, OAuth2, GitHub Actions, Testcontainers, Azure Application Insights, Thymeleaf, Tilt, Microsoft SQL Server
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
Allal K.
Last position:
Java Senior Full Stack Developer at Insurance ÖRAG
- Further development of a policy administration system (contract/claims) for the legal expenses insurer ÖRAG.
- My role: Senior Software Developer.
- The team consists of 12 developers.
- Technologies used: Java 8/21, Java EE, Quarkus, WebLogic, JPA, RabbitMQ, JTA, CI, CD, Jenkins, DB2, Maven, Jenkins, GIT (bitbucket) later GitLab, Junit, Elasticsearch, Mockito, Jira, SonarQube, Scrum, React, Workflow
- Migration and modernization of legacy systems: rewrote C and C++ code in Java to improve maintainability, scalability, and performance. Refactored Python into Java, including optimization and integration into modern architectures.
- Study on the use of AI (Codex) for implementing a Java feature. The goal is to compare the time spent and productivity of AI-supported development with a classic implementation by a developer. The results should show how strongly the use of AI affects development time and efficiency.
- Development of the following tariff calculators for the years 2024/2026: private, companies, doctors, farmers, owner-occupied G + H, landlords, traffic, club, top managers, sales representatives, special criminal law, savings bank, municipal, BayGT, doctors, Dehoga
Hicham M.
Last position:
Freelance Software Developer at Buhl Data Service GmbH
- Backend development: .Net 8, C#, PostgreSQL, Entity Framework Core, REST Web APIs, Docker, Kubernetes, Kafka, Open API Swagger, Apache Airflow, Resharper, Git, Microservices, SOAP, gRPC, Hangfire, OAuth 2, GraphQL
- Interface development for document processing with SmartFix, Softexpansion and Natif.ai: C#, REST API, Resharper, Git
- Deployment: Azure DevOps YAML, Vanilla Helmchart, Rancher, Kubernetes Cluster, Linux Docker, Windows VM, Python
- Unit tests and integration tests
- Telemetry, Kibana, Grafana, Elastic Search
- Work in a Kanban team of 8 developers, 1 tester and one Product Owner
Robert D.
Last position:
Software Architect at FinTech / Wealth Management
- Analysis of existing microservice structures and integration into the event-driven architecture
- Design and implementation of prototypes
- Introduction of structured workflows and embedding in a solid testing strategy
- Team: small specialized team (3-5 people) from analysis to implementation readiness
- Documentation of architectural decisions and definition of interfaces
- Integration of the event-driven pipeline into the existing landscape
- Technologies: Kafka, Docker, Microservices, Event-Driven Architecture, Java, Liquibase
Johannes K.
Last position:
Software Developer at Hoffmann Engineering Services GmbH
- Software development
- Technical design of software architecture and design (considering functional and non-functional requirements)
- Frontend and Backend
- Refactorings
- Code reviews
- Unit tests
- Automated integration tests
- E2E tests
Global Identity Services (GIS) is the identity provider for the Digital Services Platform (DSP). GIS is responsible for authenticating and authorizing end users and other DSP services by issuing security tokens. This includes:
- Identity management (e.g., user registration, password reset and change, user profiles)
- Management of roles and permissions
- Single Sign-On (SSO) across DSP services
- Management of OAuth resources and terms and conditions
Faruk S.
Last position:
Software Developer at HR Solutions GmbH
- Designing and developing a web application for the public sector
- Setting up and executing software tests, mainly unit tests
- Technical design and implementation of requirements
- Uploading and displaying CSV files
- Communicating with business units regarding development and test support
- Technologies used: Java, Spring Boot, Spring Security, Spring Batch, Spring Cloud, Spring Data JPA and Hibernate, RESTful, JSON, React, Oracle, JUnit, Mockito, CI/CD, GitLab, Docker, Keycloak, Liquibase, BIRT, Swagger, Microservices
Volha L.
Last position:
IT Consultant SAP Commerce Cloud B2C / B2B Shops at Haba Family Group
- Release / further development of SAP Commerce (2105), Azure DevOps, IntelliJ IDEA
- Design and development of new features
- Performance optimization of Hybris (SAP Commerce 2105)
- Customizations
- Maintenance and support
- Integration tests and quality assurance
- Code optimization
- Documentation
Jan G.
Last position:
Master Data Application at confidential
Visualization, search, and maintenance of various types of master data, providing them via a REST API, and implementing a variety of import and export formats.
Implementation, architecture, project management.
Technologies and tools: Angular (Signals, Signal Store, swagger-codegen, standalone components), Java, PostgreSQL, ActiveMQ, JavaScript, Spring Boot (Spring Core, Spring MVC, Spring Data/JPA via Hibernate, Spring Security, Spring Modulith), JUnit, Flyway, QueryDSL, GraphQL, REST API, Node, npm, Maven, SonarQube, GitLab CI/CD pipelines, Docker, Nexus, OpenAPI + Swagger UI, Keycloak, OAuth2, OpenID Connect, IntelliJ IDEA, Jira, Confluence.
Jacqueline K.
Last position:
OTTO
- Design, development, and monitoring of microservices
- Migrating functions from a monolithic system into separate microservices
- Designing and implementing new microservices (backend and frontend)
- Setting up and maintaining a CI/CD pipeline (GitHub Actions)
- Configuring cloud infrastructure with AWS CDK and Terraform
- Designing and implementing event-driven communication with AWS SNS/SQS and Apache Kafka
- Ensuring code quality through Test Driven Development (TDD), static code analysis, and Clean Code
Discover over 15,000 top freelancers
Statistics of experts using Quartz Scheduler
Aggregated from the professional profiles of matched freelancers.
Experience
18 years
Position duration
1.5 years
Positions per freelancer
13
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Retail, Government and Administration
Certification focus areas
Information Technology, Product Development, Human Resources
Bachelor's degree or higher
86%
Master's degree or higher
57%
Certifications per freelancer
3
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 Germany 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 Germany using Quartz Scheduler
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.
Quartz Scheduler 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 (91%)
- Retail (64%)
- Government and Administration (55%)
- Banking and Finance (45%)
- Insurance (45%)
- Transportation (45%)
- Manufacturing (45%)
- Telecommunication (45%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Scheduling Foundation
Quartz Scheduler is an open-source Java library for running jobs at defined times or in response to schedules. It supports one-time and recurring execution, calendars, priorities, misfire handling and job data. Companies use it when application tasks need more control than a basic timer or operating-system scheduler can provide.
Jobs and Triggers
A Quartz implementation separates the work to perform from the trigger that starts it. Specialists define durable jobs, cron-based schedules, simple intervals and calendar exclusions, then apply rules for retries, recovery and concurrent execution. This model suits billing runs, report generation, data synchronization, notifications and maintenance workflows.
Ecosystem and Tooling
Quartz Scheduler commonly runs inside Java and Spring applications, where Spring Boot can provide configuration, dependency injection and lifecycle management. Work may also involve JDBC job stores, relational databases, transaction boundaries, application servers, Docker deployments and observability tools. Strong knowledge of Java concurrency and SQL helps teams diagnose scheduling behavior.
When Expertise Helps
- Moving schedules from in-memory execution to a persistent job store
- Designing clustered execution with clear ownership and failover behavior
- Investigating duplicate runs, missed triggers and misfire settings
- Connecting scheduled work to APIs, queues, databases or batch processes
Companies often bring in freelance expertise during migrations, production incidents or platform modernization. In Germany, specialists may support distributed teams remotely or work alongside an internal team on site, depending on security and operational needs.
Reliable Production Use
Quartz Scheduler requires careful decisions about identity, persistence, transactions and recovery. Professionals should understand how clustered nodes coordinate, how locks affect throughput and how shutdowns influence running jobs. They also build structured logs, useful metrics, operational controls and tests for time zones, daylight-saving changes and failure scenarios.
Choosing a Specialist
Look for evidence of production scheduling systems rather than familiarity with cron expressions alone. A strong expert can explain trigger lifecycle, misfire policies, idempotent job design and the limits of Quartz Scheduler compared with workflow platforms or message queues. They should also document schedules clearly, communicate operational risks and leave maintainable configuration behind.
Frequently asked questions
Need clarity? These are the questions we hear most often about Quartz Scheduler.
Quartz Scheduler is used to run Java tasks at specified times or in recurring patterns. Companies use it for reports, data transfers, notifications, cleanup jobs, billing processes and other background work that needs persistence, monitoring or recovery.
Quartz Scheduler offers application-level job management, persistent schedules, misfire handling and clustered execution, which basic cron does not provide. A message queue is usually better for event delivery and workload distribution, while Quartz fits time-driven jobs that need scheduling rules inside a Java application.
A strong Quartz Scheduler specialist usually brings Java, Spring or Spring Boot, SQL, transaction management and concurrency knowledge. Experience with JDBC job stores, Docker, monitoring, REST integrations and message brokers is also useful when scheduled work crosses system boundaries.
Quartz Scheduler work can be straightforward when a system has a few isolated jobs and clear failure handling. More demanding projects need a specialist who has designed persistent stores, clustering, recovery, idempotent execution and operational controls in production.
Quartz Scheduler projects are often suitable for remote collaboration because configuration, code reviews, testing and monitoring can be handled online. On-site work may still matter when the system is tied to restricted infrastructure, regulated data or close coordination with an operations team in Germany.
Common Quartz Scheduler problems include duplicate execution, missed triggers, incorrect time zones, unsuitable misfire settings and database lock contention. A capable specialist traces trigger state, job-store behavior, transactions and node coordination instead of treating every failure as a simple timing issue.
Ask the Quartz Scheduler specialist to explain persistence, clustering, retries, recovery and idempotency for a realistic scenario. Review the proposed tests, monitoring, runbook and handling of daylight-saving changes, shutdowns and partially completed jobs.
A Quartz Scheduler expert may deliver job and trigger definitions, Spring configuration, database-backed scheduling, cluster setup and migration plans. They can also provide tests, dashboards, alert rules, operational documentation and guidance on when a workflow engine or queue would be a better fit.
The average hourly rate of freelancers in Germany who have used Quartz Scheduler in their recent projects is 102 €, which corresponds to a daily rate of about 817 € based on an 8-hour working day.
Of the freelancers in Germany who have used Quartz Scheduler in their recent projects, 86% hold at least a Bachelor's degree and 57% hold at least a Master's degree.
On average, freelancers in Germany who have used Quartz Scheduler in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 1.5 years.
The most common languages among freelancers in Germany who have used Quartz Scheduler in their recent projects are German (100%), English (100%), and French (27%).
The most common industries among freelancers in Germany who have used Quartz Scheduler in their recent projects are Information Technology (91%), Retail (64%), and Government and Administration (55%).
The most common business areas among freelancers in Germany who have used Quartz Scheduler in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (64%).
Main locations of FRATCH Experts, who have recently used Quartz Scheduler
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
