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SQLite Experts in Dusseldorf

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Hire experts who design SQLite databases, tune queries, and ship reliable embedded storage for apps, mobile products, and local tools. Get fast, precise matching with vetted, available freelancers.

Meet FRATCH Experts in Dusseldorf, who have recently used SQLite

Verified expert

Stanislaus Stelle

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Security Consultant at Rohde & Schwarz AG

Monheim am Rhein
Stanislaus Stelle

Last position:

Security Consultant at Rohde & Schwarz AG at Star Labs GmbH

  • Worked on FPGA enhanced network encryption device with secure boot, TPM2.0 and smart card integration for BSI approved usage with Post Quantum Cryptography
  • Developed and audited Linux drivers
  • Collaborated using GitLab, Gerrit, Confluence and Jira
  • Technologies: C, C++, Secure Boot
Verified expert

Ralph Konitzer

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Product Owner / Business Owner

Rommerskirchen
Ralph Konitzer

Last position:

Product Owner / Business Owner at AXIS Management Consulting GmbH

  • Full product responsibility from a business perspective: requirement analysis, UX design, product strategy, and go-to-market implemented without an internal dev team using fully AI-supported development (Claude Code / Anthropic)
  • Technical differentiation: KRITIS-compliant air-gapped deployment (Windows/NSIS), GDT interface for PVS integration, DATEV-LODAS export for payroll
  • Managed pilot operation with initial external client (Dormagen medical practice): structured requirement gathering, test support, error analysis, and release management
  • Developed rollout and sales strategy for market entry in the segment of private practices and small medical centers
  • Human-in-the-Loop development principle: business decision → AI implementation → manual review → approval → release – each sprint documented in Jira (TIME project), every change traceable via co-authored commits
  • Product outcome: Tauri/Rust desktop app with GDT watcher, multi-tier model (Starter/Professional/Enterprise), cloud mirror on Hetzner/Traefik, complete ISMS framework based on ISO 27001 and BSI basic protection as product foundation
  • Direct method validation for the test manager role: hands-on experience with quality assurance of AI-generated products from a user perspective, review gate discipline, release approval under GDPR and the EU AI Act
Verified expert

Daniel Pohl

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Freelancer in industrial automation engineering

Wuppertal
Daniel Pohl

Last position:

Freelancer in industrial automation engineering at dPSolutions

  • Independent work as a PLC and software specialist focusing on automation and custom machinery
  • Programming, modernization, expansion and optimization of production plants with focus on efficiency improvements, data transparency and system integration
  • PLC programming and safety with Siemens S7 Classic/TIA-Portal, Beckhoff TwinCAT 2/3 and CoDeSys
  • Development of high-level language software and database applications (.NET / C#, C++, Visual Basic .NET, Borland/Embarcadero C++)
  • Development of custom software solutions for industrial automation, including embedded systems (Raspberry Pi, Arduino, NodeMCU, ESP8266)
  • System integration of external systems such as readers, printers, scales, scanners and cameras, as well as various fieldbus systems (Ethernet, Profinet, Profibus, EtherCAT, CAN bus, RS232, TCP/IP)
  • Creation of visualizations and HMI applications with Siemens WinCC flexible, Beckhoff HMI and .NET front-ends
  • Design, development and integration of machine vision solutions (Keyence, Cognex, AVS Alfavision, camera systems) in PLC and PC environments
  • Design and implementation of process data acquisition systems and traceability solutions (100% traceability) based on Microsoft SQL Server (Compact, Express, Server) including stored procedures and direct PLC-SQL communication
  • Creation of software and PLC concepts, standard function blocks and project libraries for PLC and high-level language projects
  • Design and programming of conveyor, testing, assembly, packaging and grinding systems in industries such as automotive, chemical, food, electronics and machinery and plant engineering
  • Conducting workshops and training on Siemens TIA-Portal, STEP7 Classic, Beckhoff TwinCAT (including TwinSAFE) as well as topics like architectures, safety, database integration and documentation
  • Creation of technical documentation, manuals, training materials and class documentation with Microsoft Office and Doxygen
  • Project management tasks from requirement analysis through planning, concept development and supplier coordination to commissioning, production support and maintenance
Verified expert

Jan G.

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Master Data Application

Düsseldorf
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.

Discover over 15,000 top freelancers

Statistics of experts using SQLite

Aggregated from the professional profiles of matched freelancers.

Experience

16 years (Germany: 19 years)

Position duration

1.7 years (Germany: 3 years)

Positions per freelancer

19 (Germany: 15)

Top business areas

Information Technology, Product Development, Operations

Top industries

Information Technology, Manufacturing, Healthcare

Certification focus areas

Information Technology, Operations, Product Development

Bachelor's degree or higher

67% (Germany: 88%)

Master's degree or higher

67% (Germany: 54%)

Certifications per freelancer

2

Most common languages

German, English, French

Speak two or more languages

83% (Germany: 97%)

Based on our profile pool as of 30 Aug 2026.

Daily rate distribution

0 1 2 3 4
<€640 €720-​800 €800-​880 €960+

The chart shows how the daily rates of freelancers in this technology in Dusseldorf 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 Dusseldorf using SQLite

Rates are based on recent contracts and do not include FRATCH margin.

800
600
400
200
Rate comparison chart
Daily rate avg. 771 €
Germany avg. 729 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

800
600
400
200
Rate comparison chart
Median rate 780 €
Germany median 720 €

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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

About the technology

Core use

SQLite is a lightweight database engine built into the app, device, or service that uses it. It is common in mobile apps, desktop software, embedded products, prototypes, and internal tools that need simple local storage without a separate server.

Where it fits

  • Local caches and offline-first app data
  • Desktop and mobile storage
  • Embedded systems and edge devices
  • Testing, demos, and rapid prototypes
  • Small services that need a compact database file

What specialists do

A strong SQLite specialist models tables, writes efficient queries, and keeps file-based data safe under real usage. They also handle migrations, indexing, WAL mode, locking behavior, and the limits of SQLite compared with server databases.

Ecosystem skills

Useful work often includes the SQLite CLI, sqlite3 APIs in app frameworks, ORM integration, and export or import scripts. Good professionals also know how SQLite behaves in iOS, Android, Python, Node.js, Java, and C/C++ stacks.

When companies bring help

Teams usually bring in freelance expertise when an app has slow queries, sync conflicts, schema drift, or unreliable local persistence. In Dusseldorf, this often matters for product teams, internal tools, and industrial software that need clean data handling without heavy infrastructure.

What good work looks like

A reliable professional keeps the schema simple, tests edge cases, and understands concurrency, transactions, and data recovery. They can explain when SQLite is the right fit and when a server database is the better choice for scale or multi-user writes.

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Frequently asked questions

Key details about SQLite, drawn from the questions we get asked most.

SQLite is used for local storage inside apps, devices, and tools that need a compact database file. It is a common fit for offline-first products, embedded software, desktop utilities, and mobile features that must work without a separate database server.

SQLite runs inside the application process and stores data in a single file, while PostgreSQL and MySQL are server databases. That makes SQLite simpler to ship and easier to embed, but it is not the first choice for heavy multi-user write traffic or larger shared systems.

A strong SQLite specialist should know schema design, indexes, transactions, and query tuning. It also helps if they understand the host language, the app framework, and how to manage migrations, backups, and data import or export.

Projects usually need SQLite help when queries are slow, the schema has grown messy, or the app has locking and sync problems. Outside expertise is also useful when a team is moving from a prototype to a production app and wants the storage layer cleaned up.

Yes, SQLite is often the storage layer behind offline-first and local-first designs. The hard part is not the database file itself, but the sync rules, conflict handling, and data model around it.

Yes, SQLite work is often easy to do remotely because it is code- and schema-focused. For teams in Dusseldorf, on-site sessions can help with discovery and handover, but day-to-day query work, migrations, and debugging can be handled remotely.

Look for clear schema choices, careful transaction handling, and practical knowledge of indexes and locking. A good SQLite professional can also explain why a design works, not just deliver code that seems to run.

The main terms are database file, table, index, transaction, WAL, and migration. A good SQLite freelancer should be able to explain these in plain language and show how they affect speed, reliability, and maintenance.

The average hourly rate of freelancers in Dusseldorf, Germany who have used SQLite in their recent projects is 96 €, which corresponds to a daily rate of about 771 € based on an 8-hour working day.

Of the freelancers in Dusseldorf, Germany who have used SQLite in their recent projects, 67% hold at least a Bachelor's degree and 67% hold at least a Master's degree.

On average, freelancers in Dusseldorf, Germany who have used SQLite in their recent projects have 16 years of professional experience, with a single engagement typically lasting around 1.7 years.

The most common languages among freelancers in Dusseldorf, Germany who have used SQLite in their recent projects are German (100%), English (83%), and French (17%).

The most common industries among freelancers in Dusseldorf, Germany who have used SQLite in their recent projects are Information Technology (83%), Manufacturing (83%), and Healthcare (67%).

The most common business areas among freelancers in Dusseldorf, Germany who have used SQLite in their recent projects are Information Technology (100%), Product Development (83%), and Operations (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

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Philipp Thomaschewski

FRATCH CEO

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