Realm Experts in Germany
for reliable mobile data with fast, precise AI matchingHire experts who design local-first mobile data layers, model Realm objects and connect applications with Atlas services. FRATCH matches you quickly with vetted, available freelancers whose skills fit your project precisely.
Meet FRATCH Experts in Germany, who have recently used Realm
Natascha F.
Last position:
Senior iOS Developer - ANÜ at Stadtwerke München GmbH
- Development of an iOS app that combines public transport and sharing services
- Collaboration in Scrum within a large cross-functional team
- Creation of reusable components with SwiftUI and Combine
- Development of custom solutions for Apple Maps
José J.
Last position:
Freelance iOS Developer at Freelancer
PAYBACK GmbH: PAYBACK app - a loyalty bonus program and customer card that allows users to collect points.
Enhanced the application's architecture by restructuring and modularizing it.
Refactored and improved complex features using SwiftUI and The Composable Architecture.
Maintaining, bug fixing, optimizing, troubleshooting, and continuously improving the app.
Facilitating and planning the onboarding of new developers and providing mentorship.
Assistance in the hiring process, including evaluation, interviews, and strategic planning.
Porsche Digital GmbH: Development of the Porsche Road Trip app that allows users to comfortably plan and navigate through spontaneous drives and individual road trips along curated premium routes.
KI Labs: Development of a MVP for a large automotive company.
Snapp Mobile Germany GmbH: Equitel Banking - Consumer digital banking app for Equity bank, one of the largest banks in Sub-Saharan Africa.
comdirect Mobox - Banking app to manage current, savings and credit card accounts for teenagers. Addressed technicalities of implementing playful UI with customizable options and various offline features.
Deutsche Bahn AG - Development of a prototype for the next generation of companion app for train travellers.
optile GmbH: KPI Dashboard - KPI tracking of online payments for merchants that use optile's online payment solutions.
Every Interaction: Watchy - Composer of Apple Watch screenshots, which allows users to export the composed image and share it.
Umer D.
Last position:
Activation and Vocational Integration Program with Integrated Language Support at Berlitz
- Intensive language course with a focus on professional language content.
Jan K.
Last position:
Software Architect: Training Platform for IT Career Changers at appvanced
- Mobile: Kotlin Multiplatform (KMP), Kotlin, Swift, SwiftUI, Jetpack Compose, Ktor, Room, Koin
- Backend: Spring Boot, GCP Cloud Run, GCP Load Balancer, GCP Eventarc
- Planned and developed a cloud backend architecture with Google Cloud Platform
- Developed a cross-platform architecture with Kotlin Multiplatform (KMP)
- Tech lead for comprehensive large project including webshop, two apps and omnichannel backend
Cihan B.
Last position:
Senior iOS developer at Dewango GmbH
Developed an app for automatic safety checkins with heavily relying on AI-Tools:
Real-time Safety Monitoring - Continuous activity tracking using device motion sensors with automatic status verification through Firebase-based safety pings Emergency Contact System - Share code-based contact invitation system allowing trusted users to monitor real-time status with battery levels and last activity Background Processing - Robust Android foreground services and WorkManager integration ensuring 24/7 monitoring without interruption Smart Notifications - Firebase Cloud Messaging for instant alerts to emergency contacts Sleep Scheduling - Configurable quiet hours to prevent unnecessary alerts Premium Tier - In-app purchase system with unlimited contacts
Yodgorbek K.
Last position:
Android Developer at Mein Artz
- Led the development of a doctor scheduling Android app, integrating Jetpack Compose and Kotlin Multiplatform, achieving a 30% performance improvement.
- Implemented complex UI components, ensuring 99.8% crash-free user sessions.
- Seamlessly integrated Compose UI with existing View-based components.
- Optimized API calls, reducing load times by 20%.
- Tech Stack: Kotlin, Jetpack Compose, KMM, MVVM, Koin, Firebase, Stripe API, Crashlytics
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.
Mohammad A.
Last position:
ParkProReakt at Justus Liebig University Giessen
- proactive instead of reactive symptom detection in Parkinson patients
- iOS development
- FHIR integration
- database structure
Andrey G.
Last position:
iOS Developer at IBM Deutschland GmbH
- Further development of an existing app
- Implementation of new features
- Bug fixes
- Technologies: Swift, Xcode, Git, Jira, REST, MVVM, XCTests, UITests, Fastlane, Jenkins, SwiftUI
Discover over 15,000 top freelancers
Statistics of experts using Realm
Aggregated from the professional profiles of matched freelancers.
Experience
14 years
Position duration
2.6 years
Positions per freelancer
13
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Media and Entertainment, Automotive
Certification focus areas
Information Technology, Product Development, Human Resources
Bachelor's degree or higher
83%
Master's degree or higher
50%
Doctorate
17%
Certifications per freelancer
2
Most common languages
German, English, Russian
Speak two or more languages
89%
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 Realm
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.
Realm 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%)
- Media and Entertainment (56%)
- Automotive (44%)
- Healthcare (44%)
- Transportation (44%)
- Retail (44%)
- Education (33%)
- Energy (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Realm for local data
Realm is an embedded object database built for applications that need fast local reads, reliable offline behavior and direct work with native objects. It is used in mobile, desktop and connected-device software where data must remain available without a constant network connection. The database stores objects directly rather than relying on a traditional table and query layer.
SDKs and ecosystem
Realm SDKs support common application environments such as Swift, Kotlin, Java, .NET and JavaScript. Specialists work with Realm models, schemas, migrations, reactive queries and thread or concurrency rules for the chosen platform. Depending on the product design, Realm can also connect with MongoDB Atlas services and synchronization features associated with the former MongoDB Realm and Atlas Device SDK branding.
Typical project work
- Designing object models for offline-first mobile applications
- Implementing schema migrations without breaking existing installations
- Building reactive screens that respond to local data changes
- Connecting Realm data flows with APIs, authentication and cloud services
- Testing conflict handling, recovery and device data lifecycle rules
When expertise matters
Companies bring in Realm specialists when an application needs dependable offline use, smooth synchronization or a data model shared across several client platforms. Expertise is especially useful during a migration from SQLite, Core Data, Room or a custom API cache. German product teams may also value professionals who can work remotely or on site and communicate clearly across local stakeholders and distributed teams.
Quality signals
Strong professionals start with the product’s offline requirements instead of forcing every feature into a synchronized model. They explain ownership, permissions, conflict behavior, deletion rules and migration paths before implementation. They also profile local queries, inspect memory use and test interrupted sync, account changes and upgrades on real target devices.
Hiring for Realm work
A useful brief names the client platforms, data ownership model, expected offline behavior and any existing Atlas or backend integration. It should also clarify whether the specialist will improve an existing schema, deliver a new data layer or guide a platform migration. Look for practical experience with testing, release support and the application framework surrounding Realm, not database knowledge in isolation.
Frequently asked questions
Before you brief your next project: the most common questions about Realm.
Realm is an embedded object database for storing and querying application data locally on devices. It is often used for mobile and connected-device products that need fast access, offline operation and reactive updates without depending on a live network connection.
Realm Database works with objects and its own query model, while SQLite uses relational tables and Core Data or Room add platform-specific persistence abstractions. The right choice depends on the team’s data model, migration needs, platform scope, offline behavior and tolerance for adopting a separate database engine.
Realm work benefits from strong Swift, Kotlin, Java, .NET or JavaScript skills, depending on the client application. Professionals should also understand API design, authentication, mobile concurrency, testing, release pipelines and MongoDB Atlas when cloud integration or synchronization is part of the system.
Realm experience should match the risk of the data layer rather than a fixed duration. A small local persistence feature may need focused implementation skills, while a mature product with migrations, synchronization, permissions and multiple platforms requires a specialist who has handled those concerns in production.
Realm projects are often suitable for remote collaboration because schemas, migrations and tests can be reviewed through shared repositories and technical documentation. On-site work can still help when the specialist must coordinate closely with product, mobile and backend teams or communicate in German with local stakeholders.
MongoDB Realm was the branding used for Realm capabilities connected with MongoDB services, and Atlas Device SDK is another name used in that product area. A specialist should verify the exact SDK, synchronization feature set and support direction required by the project before choosing an implementation path.
Realm quality is visible in clear schemas, safe migrations and predictable behavior when devices go offline or reconnect. Ask for evidence of tests covering concurrency, conflict handling, data deletion, permissions, memory use and upgrades rather than judging the work only by a working prototype.
Realm professionals can deliver object models, persistence layers, migration plans, reactive data flows and integration with authentication or backend services. They may also provide performance reviews, synchronization designs, test suites, technical documentation and support during mobile releases.
The average hourly rate of freelancers in Germany who have used Realm in their recent projects is 88 €, which corresponds to a daily rate of about 702 € based on an 8-hour working day.
Of the freelancers in Germany who have used Realm in their recent projects, 83% hold at least a Bachelor's degree, 50% hold at least a Master's degree, and 17% hold a doctorate.
On average, freelancers in Germany who have used Realm in their recent projects have 14 years of professional experience, with a single engagement typically lasting around 2.6 years.
The most common languages among freelancers in Germany who have used Realm in their recent projects are German (100%), English (78%), and Russian (22%).
The most common industries among freelancers in Germany who have used Realm in their recent projects are Information Technology (100%), Media and Entertainment (56%), and Automotive (44%).
The most common business areas among freelancers in Germany who have used Realm in their recent projects are Information Technology (100%), Product Development (100%), and Quality Assurance (67%).
Main locations of FRATCH Experts, who have recently used Realm
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
