01
React Native Engineer
Leading end-to-end mobile development for scheduling, time tracking, documentation, task management, and real-time synchronization.
30%React Native
increase in operational efficiency
React Native Engineer · Berlin·Available for contracts & full-time roles
I turn React systems into reliable mobile products.
5 years delivering maintainable, testable cross-platform products with modern React Native architecture.
5years building mobile products
10+mobile solutions delivered
-40%operations error reduction
90%+automated test coverage
Berlin, Germany · Tunisia
English & French fluent · German A2
Selected mobile workChoose a project
Project / 01
Field operations
CRAFTBOXX
A workflow-driven product for job scheduling, time tracking, documentation, task management, and real-time synchronization.
React NativeTypeScriptReal-time sync
30%increase in operational efficiency
Product thinking
made visible
made visible
Switch project
see it live
see it live
1/6 · Overview
02 / Professional experience
From product idea to production.
Continuous mobile engineering delivery across field operations, banking, telecommunications, fitness, education, and smart mobility.
02
React Native Engineer
Built subscription learning, custom exams, live competitions, in-app purchases, and a referral-led revenue model.
40%React Native
monetization growth delivered
03
React Native Engineer
Delivered real-time field operations, mapping, 90%+ test coverage, SonarQube quality gates, and faster feature delivery.
90%+React Native
automated test coverage
04
React Native Engineer
Shipped telecom, banking, retail, fitness, and EV-charging products with native integrations, payments, and production ownership.
−40%React Native
reduction in manual input errors
05
React Native Engineer
Built real-time scooter discovery and reservations with geolocation, authentication, in-app payments, and a smooth mobile experience.
LIVEReact Native
real-time mobility product
03 / Technical toolkit
Architectural standards & stack precision.
Core mobile
Cross-platform UI delivery and dependable state management.
Architecture
Modular codebases with clear separation of concerns.
Data & networking
Offline persistence, APIs, and real-time synchronization.
Testing & QA
Automated quality gates for confident production releases.
DevOps & release
Repeatable build and release pipelines across app stores.
Hardware & integrations
Native device capabilities and third-party services.
Proven domain metrics
Products across demanding domains.
Flex Fitness
Online training with subscriptions, integrated payments, and premium content.
Youree
A modern smart-home charging experience for electric vehicles.
RetailOps
Retail operations and barcode scanning that reduced manual input errors.
Mantaray
Real-time scooter discovery, reservations, geolocation, and payments.
04 / Academic foundation
Engineering degrees.
MSc
ESPRIM · Monastir, TunisiaMaster's Degree in Software Engineering
Specialization in distributed systems, mobile architectures, and quality engineering.
BSc
ESPRIM · Monastir, TunisiaBachelor's Degree in Computer Science
Algorithms, object-oriented programming, database design, and networking.
Communication & reachLocation base Available from
Multilingual collaborator.
Arabic
Native proficiency
English
Full professional
French
Fluent · bilingual
German
Elementary · A2
Berlin, Germany
+49 160 1260573Tunisia
+216 53 227 341Ready for remote & relocation
Need a mobile engineer who can own the product journey?
I bring product thinking, clean architecture, testing, native integrations, and production delivery to the same table.
Email me: mokhtar.oubaya@gmail.com