
Realm Experts in Germany
for reliable mobile data with vetted, available freelancers matched in minutesHire experts who build offline-first mobile apps, design Realm data models and connect local databases with MongoDB Atlas. Get precise access to vetted, available freelancers who match your technical needs quickly.
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 according to Scrum in a large cross-functional team
- Creation of reusable components with SwiftUI and Combine
- Development of a custom solution 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
Andrey G.
Last position:
iOS Developer at IBM Deutschland GmbH
- Further development of existing app
- Implementation of new features
- Bug-fixes
- Technologies: Swift, Xcode, Git, Jira, REST, MVVM, XCTests, UITests, Fastlane, Jenkins, SwiftUI
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
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 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 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 29 Oct 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
What Realm is
Realm is an object-oriented database designed for mobile, desktop and edge applications. It stores application objects directly, reducing the mapping work between code and local data. The technology is now closely associated with the Atlas Device SDK, while many teams still search for it as Realm Database or MongoDB Realm.
Where it fits
Realm is built for apps that must remain useful when connectivity is limited or unavailable. It supports local persistence, fast reads and writes, reactive updates and synchronization with backend data. Typical products include field-service tools, logistics apps, healthcare applications, retail software and collaboration features.
- Offline-first mobile applications
- Local data storage for Swift, Kotlin and other supported stacks
- Synchronized data models with MongoDB Atlas
- Responsive interfaces driven by live object changes
Ecosystem and skills
Strong Realm specialists understand the SDK that fits the product stack, such as Realm Swift, Realm Kotlin or the Atlas Device SDK. They also work with MongoDB, Atlas, authentication, permissions, conflict handling and mobile release processes. Knowledge of native iOS or Android development is usually essential, alongside practical experience with concurrency and data migration.
Why companies bring in experts
Companies often need specialist support when an existing mobile database must move to Realm, when offline behavior is difficult to model or when synchronization creates data conflicts. Freelance experts can define object schemas, review thread usage, plan migrations and connect local data safely to backend services. In Germany, this can support distributed product teams while still allowing on-site workshops when architecture decisions require them.
Delivery and collaboration
A Realm project needs clear ownership of data models, synchronization rules and failure states. Professionals may deliver a schema, repository layer, migration plan, synchronization configuration, test coverage and technical documentation. Remote collaboration works well when teams provide reproducible builds, device test access and clear decisions about data ownership; German and English communication may both matter in local teams.
What strong specialists show
The best professionals explain why a local object database suits the product instead of treating Realm as a default choice. They test offline edits, reconnection, conflict resolution, permissions and schema changes on realistic devices. They also distinguish the older MongoDB Realm terminology from current Atlas Device SDK documentation and leave the team with maintainable code, clear operational guidance and measured trade-offs.
Frequently asked questions
Before you brief your next project: the most common questions about Realm.
Realm is a local object database for mobile, desktop and edge applications. Companies use it for offline-first behavior, fast local access, reactive interfaces and synchronization with MongoDB Atlas when connectivity returns.
Realm Database works directly with objects, so teams often write less mapping code than with SQLite-based approaches. Compared with Core Data, it offers a cross-platform model and a strong mobile synchronization story, while the right choice still depends on platform conventions, query needs and backend design.
MongoDB Realm was the product name many teams used for Realm with MongoDB services. Current documentation increasingly refers to the Atlas Device SDK, but companies and specialists still commonly use Realm when discussing the local database and its mobile SDKs.
A strong Realm specialist should understand native iOS or Android development, concurrency, schema migration and automated testing. MongoDB Atlas, authentication, permissions, synchronization rules and API integration are also valuable for projects that connect local data to cloud services.
Realm can support a focused feature or a broad mobile data layer, but complexity depends on offline workflows, synchronization and migration risk rather than database size alone. Ask for evidence of shipped applications with reconnection handling, conflict resolution and production schema changes.
Realm projects are usually suitable for remote collaboration because schemas, tests and device behavior can be reviewed through shared repositories and builds. On-site workshops may help with product decisions, while clear English or German communication should be agreed before work begins.
Review how the Realm Database implementation handles offline edits, concurrent access, migrations, permissions and failed synchronization. A reliable professional can explain trade-offs, demonstrate tests on real devices and document how the team will monitor and maintain the data layer.
Realm may be unsuitable when the product depends on complex server-side queries, highly relational reporting or a database standard already mandated across the organization. A capable specialist should compare it with SQLite, Core Data, Room or a server-led architecture before recommending a design.
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.
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