Android Experts in Dortmund
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Meet FRATCH Experts in Dortmund, who have recently used Android
Laurin Hagemann
Last position:
Software Architect (Freelance) at Care4Sure
- Delivered MVP-focused full-stack architecture for a health-sector client: Vite/React frontend, backend services on Google Cloud Run, and Supabase for database plus IAM/authentication.
- Supported product requirements engineering and prioritized cost-aware workload placement, implementing browser-side/edge computation where feasible before moving logic to backend services.
Jens Schneeweiß
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
Arkadius Sikora
Last position:
Architect; Senior Developer; Full Stack Developer; DevOps Lead at Bitmarck Holding GmbH
- Requirement engineering for Ombudsstelle and creation of technical user stories for EPA V3
- Handling of objections and revocations via mail and letter with high transaction mail volume
- Coordination with other teams on interfaces
- Design of a highly available, high-throughput solution on OpenShift with Java backend microservices
- Implementation and extension of microservices
- Infrastructure setup for deployment on OpenShift/Kubernetes including Jenkins pipelines
- Integration with BitIAM, TI-M Fachdienst, Consent Keeper and FDV
- Capture of requirements from DevOps operations and business units
- Continuous integration and Scrum practices
- Use cases: Kassenfusion, Opt-Out, Last Test, Widerspruchsmanagement
- Integration test automation and feature extensions including Spring Boot 3 updates
Rafael Kolloch
Last position:
Senior Android Developer / Team-Lead at IBM Deutschland
- Further development and release support of a white-label e-prescription component for health insurance companies
- Technologies: Android (Kotlin), Kotlin Multiplatform, Coroutines, Jetpack Compose, MVVM, StateFlow, Gradle, ProGuard
Jan-Niklas Freundt
Last position:
Founder at Freundt Consulting GmbH
- Porsche AG (2018 – 12/2019): Design and development of native iOS apps in motorsport/Formula E (e.g. travel app and enterprise warehouse management with SAP integration) and e-mobility (Porsche Taycan; development of a native Microsoft Excel data export).
- StarFinanz / Sparkasse (05/2019 – 07/2021): Worked on the banking app (FinTS, HBCI, PSD2, Apple Pay); implemented Apple Pay; implemented a new TAN method; worked with the FinTS backend (PSD2); opened bank accounts via app (eID, VideoID, Authada); designed a new, modern banking experience.
- eBay Classifieds and Adevinta (07/2021 – 06/2023): Packaging & Pricing (premium features for business customers): e.g. markdown; company page; advertising options; multi-tenant design system based on SwiftUI and UIKit.
- Maschinensucher (07/2023 – 12/2023): Fullstack mobile (Android, iOS) and backend (PHP, Yii, Elastic Search) development; implemented search agent push notifications, InstantSearch, and modernized the design.
- Bankverlag (02/2024 - Present): Consulting and fullstack development of white-label apps (iOS / Android / Java Spring Boot) for private banks.
Henning Pankratius
Last position:
Siemens
- Developed a reporting API with RESTful services and Spring Boot
- LDAP integration
- Migrated services to AWS
- Bootstrap
- Frontend development with Angular 14
- JBoss
- DynamoDB
- S3
- Athena
Discover over 15,000 top freelancers
Statistics of experts using Android
Aggregated from the professional profiles of matched freelancers.
Experience
21 years (Germany: 18 years)
Position duration
1.8 years (Germany: 2.9 years)
Positions per freelancer
22 (Germany: 12)
Top business areas
Information Technology, Product Development, Operations
Top industries
Information Technology, Automotive, Education
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
100% (Germany: 89%)
Master's degree or higher
40% (Germany: 47%)
Certifications per freelancer
3 (Germany: 2)
Most common languages
German, English, Spanish
Speak two or more languages
100% (Germany: 96%)
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Dortmund 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 Dortmund using Android
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
Android app development
Android is the mobile operating system behind phones, tablets, wearables, TVs, and in-car systems. Companies hire Android specialists to build customer apps, internal tools, and connected device experiences that run well across many screen sizes and hardware profiles.
Core stack
Strong Android professionals work with Kotlin and Java, plus Android Studio, Gradle, Jetpack, and the Android SDK. They understand app architecture, lifecycle handling, background work, UI patterns, and the parts of Google Play that matter for delivery.
Typical work
- New app builds and feature delivery
- Kotlin migrations from older code
- API integration and offline sync
- UI polish for phones, tablets, and foldables
- Play Store release support
When to bring in help
Freelance expertise is useful when an app needs a new release path, a rescue from slow code, or support for a short project with a clear scope. Teams in Dortmund often use remote specialists for focused delivery, while on-site work helps when product, design, and hardware testing need close coordination.
What good specialists deliver
Good Android specialists write clean, testable code and make careful trade-offs between speed, stability, and device compatibility. They should know how to debug crashes, manage permissions, optimize startup and battery use, and keep releases predictable across Android versions.
Ecosystem and quality
- Android Studio and Gradle workflows
- Jetpack, Compose, Room, WorkManager, and Hilt
- Emulator and real-device testing
- Play Console release and rollout checks
- Documentation that handover teams can use
Frequently asked questions
Curious about Android? Here are the answers that come up again and again.
Android is used to build mobile software for phones, tablets, wearables, TVs, and vehicle systems. Companies bring in specialists for customer-facing apps, internal field tools, device control apps, and services that need broad hardware reach. It is a practical choice when the product must live in the Google ecosystem and support many screen sizes.
Android makes sense when device features, performance, or platform-specific design matter more than sharing one codebase everywhere. A cross-platform stack can be useful for speed, but it may be a weaker fit when you need deep integration with sensors, push behavior, background work, or Google Play release control. The right choice depends on your product goals and maintenance model.
A strong Android specialist usually works comfortably with Kotlin, Java, Android Studio, Gradle, and Jetpack components. Useful adjacent skills include API integration, testing, app architecture, performance tuning, and release management in Google Play. If the app touches hardware or Bluetooth, that domain knowledge matters too.
A simple bug fix or screen update may only need a focused Android professional with the right codebase experience. A new app, a Kotlin migration, or a complex release rescue needs someone who has shipped production work and handled the full lifecycle. The safer signal is relevant project depth, not a long list of unrelated roles.
Yes, most Android work can be handled remotely with clear communication, shared tickets, and test builds. Teams in Dortmund often combine remote delivery with occasional on-site sessions for planning, device labs, or stakeholder reviews. That mix works well when the code is ready but decisions still need close feedback.
Look for clean architecture, stable builds, and a clear explanation of trade-offs in the first conversation about Android work. Good specialists can talk about crash handling, testing, battery use, startup time, and how they would release safely through Play Console. Ask for examples that match your app type, not generic claims.
The core Android stack often includes Kotlin, Android Studio, Gradle, Jetpack, Compose, Room, and WorkManager. Depending on the app, you may also need dependency injection, image loading, push notifications, or device-specific APIs. A capable specialist knows which tools fit the problem instead of using everything by default.
Freelancers usually want to know the app scope, target devices, current code health, and how releases are managed for Android. They also ask about backend APIs, design assets, testing access, and whether the work is meant to extend an existing product or start from scratch. Clear answers help them estimate the effort and avoid rework.
The average hourly rate of freelancers in Dortmund, Germany who have used Android in their recent projects is 97 €, which corresponds to a daily rate of about 779 € based on an 8-hour working day.
Of the freelancers in Dortmund, Germany who have used Android 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 Dortmund, Germany who have used Android in their recent projects have 21 years of professional experience, with a single engagement typically lasting around 1.8 years.
The most common languages among freelancers in Dortmund, Germany who have used Android in their recent projects are German (100%), English (100%), and Spanish (50%).
The most common industries among freelancers in Dortmund, Germany who have used Android in their recent projects are Information Technology (100%), Automotive (83%), and Education (83%).
The most common business areas among freelancers in Dortmund, Germany who have used Android in their recent projects are Information Technology (100%), Product Development (100%), and Operations (67%).
Main locations of FRATCH Experts, who have recently used Android
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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