SQLite Experts in Essen
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Meet FRATCH Experts in Essen, who have recently used SQLite
Timo T.
Last position:
Gronic Ident & Sign at Gronic Systems GmbH
Gronic Ident & Sign
Core technologies: Android, Jetpack Compose, Retrofit, Regula Document Reader, Adobe Sign
Android app on dedicated devices for identifications and electronic signatures at the PoS
Adem S.
Last position:
IT Consultant (Test Manager) & CEO at Trikolon Consulting GmbH
- Development and implementation of test concepts for complex, multi-layered systems
- Creation of regular management reports and presentations for stakeholders and clients
- Technical and disciplinary leadership of international test teams (coordination, coaching, resource planning)
- Responsibility for quality assurance across multiple test levels (unit, integration, system, and acceptance tests)
- Design of test cases and test plans in Azure DevOps; ensuring traceability and coverage
- Use of BDD approaches (Gherkin/Cucumber) to prepare test automation
- Building a test automation architecture with Playwright and integrating new tests into CI/CD pipelines
- Performing API tests (REST) and tests for mobile/PWA applications
- Setup and maintenance of test environments across multiple stages (integration, QA, UAT, pre-production)
- Test data management (synthetic and production-like data), ensuring consistency and reproducibility
- Collaboration with DevOps teams for containerization (Docker/OpenShift) and CI/CD integration
- Working under SAFe & Scrum, closely coordinating with product owners and DevOps teams
- Active participation in PI plannings, sprint reviews, and retrospectives
- Promoting an agile QA culture through coaching and knowledge sharing
- Introducing scalable test automation with Playwright → significant reduction of manual testing efforts
- Increasing test transparency through clean defect and reporting management in Azure DevOps
- Improved release quality through an end-to-end QA strategy and automated regression tests
- Strategic leadership of Trikolon Consulting GmbH and responsibility for finance, personnel, and business development
Jens S.
Last position:
Network Technology at ISP, Internet Service Provider, BGP Peering
- Optimization of the transmission media of the data links in the Ruhr area
- Configuration/expansion of switches and routers for an autonomous system AS
- Improve the network protocols used Layer 2/3 (OSI model), RSTP, broadcast, etc.
- Laying cables, crimping, antennas, routers, switches
- Maintenance, expansion, selection and prioritization of troubleshooting measures for network monitoring (PRTG, The Dude)
- Organization and new connection of another BGP peering, data center, NGN fiber optic
- VPN IPSec site connections for 6 sites with PFSense, Fritzbox
- Configuration of WLAN devices (Mikrotik, UBNT
Label: TCP/IP, VLAN, BGP, OSPF, MPLS, VPLS, routing protocols, WLAN, EoIP, PPPoE, routing, SNMP, DHCP, DNS, NAT, native IP, VLAN, Ethernet, VoIP., switches and routers from: Nortel, Cisco, MikroTik, UBNT., network management systems: The Dude, PRTG, UISP
Ahmet C.
Last position:
Senior Android Developer at enbw
- Support in restructuring and designing the group's internal Android apps
- Defining essential modules and implementing accessible components
- Establishing agile approaches at an international level
- Technologies & Methods: Kotlin, Android, JUnit 5, Koin, Azure DevOps, Android Studio, Git, Jetpack Compose, Coil, Flow API, Ktor, Coroutines, TypeScript, Node.js
Dmitrii S.
Last position:
Senior Developer/Team Lead at Devexperts
Project Livebash (2021-12-01–2023-12-31)
Development and design of the core system
Code reviews
Developer management
CI/CD
Client communication
Leading epics
Speaking at conferences
Managing the production system
Interviewing project developers
Outcome: production system
Technologies and tools: Java 11, Java 17, Kotlin, Spring Boot, TeamCity, Gradle, AWS DynamoDB, JUnit, Mockito, Docker, Docker Compose, AWS SQS, AWS EC2, AWS S3, AWS MediaLive, Ethereum, Postman
Project Robinhood (2024-01-01–2024-05-31)
Customization and development of product features for specific clients
Interviews with project developers
Technologies and tools: Java 17, Java RX, Kotlin, Spring Boot, TeamCity, Gradle, JUnit, Mockito, Docker, Docker Compose, PostgreSQL
Projects Sway, Tickmill, Pepperstone, UCapital (2024-06-01–present)
Customization and development of product features for specific clients
Bug fixes
Porting tickets from the product
Feature development
Technologies and tools: Java 17, Java RX, Kotlin, Spring Boot, TeamCity, Gradle, JUnit, Mockito, Docker, Docker Compose, PostgreSQL
Rüdiger K.
Last position:
Data Analyst and Reporting Manager at Energieversroger
Implemented Power BI reporting for various departments at an energy provider. Agile project: responsible for organizing and coordinating with departments and IT, and regularly presented interim steps and results to project management.
Discover over 15,000 top freelancers
Statistics of experts using SQLite
Aggregated from the professional profiles of matched freelancers.
Experience
20 years (Germany: 19 years)
Position duration
2 years (Germany: 3 years)
Positions per freelancer
25 (Germany: 14)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Banking and Finance, Information Technology, Healthcare
Certification focus areas
Information Technology, Project Management, Quality Assurance
Bachelor's degree or higher
100% (Germany: 88%)
Master's degree or higher
40% (Germany: 56%)
Certifications per freelancer
3 (Germany: 2)
Most common languages
German, English, Turkish
Speak two or more languages
100% (Germany: 97%)
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 Essen 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 Essen using SQLite
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.
SQLite experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Banking and Finance (100%)
- Information Technology (100%)
- Healthcare (83%)
- Education (67%)
- Energy (67%)
- Transportation (67%)
- Retail (67%)
- Manufacturing (50%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Embedded database foundation
SQLite is a self-contained, serverless relational database stored in a single file. It runs inside the application process without a separate database service, making it a strong fit for mobile apps, desktop software, device firmware, local caches and edge systems. Professionals use SQL, transactions and constraints to keep local data consistent and portable.
Application use cases
SQLite supports products that need dependable local persistence, offline operation or a compact data layer. Typical deliverables include:
- Mobile data stores with synchronization to cloud services
- Desktop applications with local settings, records and search
- Embedded device software and edge data collection
- Test fixtures, prototypes and temporary analytical stores
Ecosystem and tooling
Specialists work with the SQLite command-line shell, database browser tools and migration workflows. They connect it to application languages through native libraries, JDBC, ODBC or language-specific packages, and often pair it with frameworks such as Android Room, Python, .NET, Node.js or Rust. They also use backup, export and schema inspection tools to support reliable releases.
When expertise matters
Freelance expertise helps when a product is moving from flat files to relational storage, adding offline support or experiencing slow local queries. It is also valuable when a team must define a synchronization strategy between SQLite and a server database. In Essen, remote collaboration may suit distributed product teams, while on-site work can help with device testing and workshops.
Performance and reliability
Strong professionals understand SQLite’s locking model, journaling modes, WAL, indexes and transaction boundaries. They choose schemas that fit the workload and measure query plans instead of guessing. They also plan migrations, corruption recovery, backups and concurrent access carefully, especially when several processes share local data.
Choosing a specialist
Look for practical evidence with the application environment, not only general SQL knowledge. A capable specialist can explain when SQLite is preferable to PostgreSQL or another client-server database, where it becomes a poor fit, and how data will synchronize or migrate. Clear tests, documented assumptions and a reproducible delivery process are reliable signs of quality.
Frequently asked questions
Questions about SQLite? Start with the answers below.
SQLite is commonly used for local storage in mobile and desktop applications, embedded devices, browser components, test environments and offline-first products. It is useful when a product needs relational queries without operating a separate database server.
SQLite runs inside the application and stores data in a file, while PostgreSQL and MySQL use a separate server process for shared, networked workloads. SQLite is often simpler for local or embedded data, but a client-server database is usually better for many concurrent writers, centralized access and complex operational needs.
A strong SQLite specialist should also understand SQL, schema design, indexing, transactions and data migration. Depending on the product, useful adjacent skills include Android Room, Python, .NET, Node.js, Rust, synchronization APIs and cloud database integration.
The right level depends on the risk and scope of the work. A focused schema change may need a specialist who can review migrations and tests, while offline synchronization, device storage or performance issues call for deeper experience with concurrency, recovery and the surrounding application stack.
SQLite is well suited to remote collaboration because its schema, migrations and test database can be reviewed in version control. Teams in Essen can work remotely with a specialist when requirements and test data are clear, while on-site sessions may help when the project involves physical devices or local application testing.
SQLite may be a poor fit when many users or processes need frequent concurrent writes to one shared database over a network. It can also be unsuitable when centralized access control, server-side operations, replication or high-volume transaction handling are core requirements.
Ask the specialist to explain the schema, indexes, transaction boundaries and migration plan in terms of the real workload. High-quality SQLite work includes repeatable tests, sensible backup and recovery handling, measured query performance and clear limits on concurrency and synchronization.
SQLite projects often extend beyond database commands into application architecture, file handling and release processes. Specialists should be ready to discuss WAL, locking, journaling, migrations and integration patterns, while adapting their approach to mobile, desktop, embedded or edge constraints.
The average hourly rate of freelancers in Essen, Germany who have used SQLite in their recent projects is 77 €, which corresponds to a daily rate of about 618 € based on an 8-hour working day.
Of the freelancers in Essen, Germany who have used SQLite in their recent projects, 100% hold at least a Bachelor's degree and 40% hold at least a Master's degree.
On average, freelancers in Essen, Germany who have used SQLite in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 2 years.
The most common languages among freelancers in Essen, Germany who have used SQLite in their recent projects are German (100%), English (100%), and Turkish (33%).
The most common industries among freelancers in Essen, Germany who have used SQLite in their recent projects are Banking and Finance (100%), Information Technology (100%), and Healthcare (83%).
The most common business areas among freelancers in Essen, Germany who have used SQLite in their recent projects are Information Technology (100%), Product Development (83%), and Project Management (67%).
Main locations of FRATCH Experts, who have recently used SQLite
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 
Berlin 
Hamburg 
Munich 
Frankfurt 
Dusseldorf Request a free demo
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Philipp Thomaschewski
FRATCH CEO
