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Hi, I’m Mustafa Haider, a React Native developer with 5 years of experience building cross‑platform mobile apps for a global clientele. I specialize in scalable architectures, real‑time features, and responsive UX that keeps users engaged. I enjoy collaborating with cross‑functional teams to translate complex requirements into clean code and polished interfaces, and I’m always exploring new technologies to improve performance and outcomes. When I’m not coding, I focus on delivering measurable results for clients, refining app performance, and mentoring others on best practices. I’m excited about opportunities that involve innovative mobility solutions and impactful user experiences.…Hi, I’m Mustafa Haider, a React Native developer with 5 years of experience building cross‑platform mobile apps for a global clientele. I specialize in scalable architectures, real‑time features, and responsive UX that keeps users engaged. I enjoy collaborating with cross‑functional teams to translate complex requirements into clean code and polished interfaces, and I’m always exploring new technologies to improve performance and outcomes. When I’m not coding, I focus on delivering measurable results for clients, refining app performance, and mentoring others on best practices. I’m excited about opportunities that involve innovative mobility solutions and impactful user experiences.

Mustafa Haider

Programmer, Front-End Developer, App Developer, +3

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Hi, I’m Mustafa Haider, a React Native developer with 5 years of experience building cross‑platform mobile apps for a global clientele. I specialize in scalable architectures, real‑time features, and responsive UX that keeps users engaged. I enjoy collaborating with cross‑functional teams to translate complex requirements into clean code and polished interfaces, and I’m always exploring new technologies to improve performance and outcomes. When I’m not coding, I focus on delivering measurable results for clients, refining app performance, and mentoring others on best practices. I’m excited about opportunities that involve innovative mobility solutions and impactful user experiences.…Hi, I’m Mustafa Haider, a React Native developer with 5 years of experience building cross‑platform mobile apps for a global clientele. I specialize in scalable architectures, real‑time features, and responsive UX that keeps users engaged. I enjoy collaborating with cross‑functional teams to translate complex requirements into clean code and polished interfaces, and I’m always exploring new technologies to improve performance and outcomes. When I’m not coding, I focus on delivering measurable results for clients, refining app performance, and mentoring others on best practices. I’m excited about opportunities that involve innovative mobility solutions and impactful user experiences.

Available to hire

Hi, I’m Mustafa Haider, a React Native developer with 5 years of experience building cross‑platform mobile apps for a global clientele. I specialize in scalable architectures, real‑time features, and responsive UX that keeps users engaged. I enjoy collaborating with cross‑functional teams to translate complex requirements into clean code and polished interfaces, and I’m always exploring new technologies to improve performance and outcomes.

When I’m not coding, I focus on delivering measurable results for clients, refining app performance, and mentoring others on best practices. I’m excited about opportunities that involve innovative mobility solutions and impactful user experiences.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

React Native Developer at Fiverr

January 1, 2021 - Present

Delivered 90+ orders to 80 global clients with a 100% response rate, maintaining a perfect 5-star rating and a high customer satisfaction score. Selected as a Fiverr Choice badge for expert React Native skills and a Level 2 Seller for the past two years. Maintained open communication with all clients, earning repeat business and positive feedback. Built apps across social media, business, and learning using React Native and third-party libraries featuring Firebase integration (authentication, Firestore, push notifications, real-time sync). Integrated stakeholders' feedback, managed app distribution, and collaborated with QA teams to ensure on-time delivery. Experienced working with cross-functional teams and managing projects to meet deadlines.

React Native Developer (Contract) at LMKR

September 1, 2024 - September 26, 2025

Worked on Click app, a GIS-based mobile and web application used for property surveys. Enabled live map view integration, allowing surveyors to view properties in real-time using geospatial data. Developed features for survey data input, where surveyors could record information directly on mapped property units. Implemented functionalities to split and merge properties within the app based on survey findings and ground realities. Contributed to the app’s UI/UX to improve ease of use for field surveyors working in real estate and urban planning projects. Collaborated with GIS specialists and backend teams to integrate property boundary data and update parcel records dynamically. Optimized performance for offline survey capabilities, allowing data collection in low-connectivity areas.

React Native Developer (Contract) at VisionX

January 1, 2024 - September 26, 2025

Worked on Alkah Rabba app, providing a digital platform for electricity customers. Consolidated account management under a single user ID: add or remove beneficiaries; transfer ownership of accounts to new owners. Detailed consumption monitoring: view consumption by hour, day, week, month; compare with similar customers for benchmarking. Billing management and payments: view detailed bills, pay via multiple payment methods. Ability to request permanent or temporary electrical service for properties. Tracked status of service connection requests until completion. Bilingual support: Arabic and English.

React Native Developer (Contract) at Fiverr

January 1, 2021 - Present

Delivered 90+ orders to 80 global clients with a 100% response rate, maintained a perfect 5-star rating, and achieved a high Seller Score. Selected as a Fiverr Choice badge for expert React Native skills and a Level 2 Seller. Maintained open communication with 99 global clients, earned repeat business, positive feedback, and zero missed responses. Built apps across social media, business, and learning using React Native and third-party libraries with Firebase integration (authentication, Firestore, push notifications, real-time sync). Incorporated stakeholder feedback, managed app distribution, collaborated with QA teams, and worked with cross-functional teams to meet deadlines.

React Native Developer (Contract) at VisionX

January 1, 2024 - September 26, 2025

Worked on Alkah Rabaa app, providing a digital platform for electricity customers. Enabled live map view integration for surveyors, allowing real-time property viewing using geospatial data. Developed features for survey data input, where surveyors could record information directly on mapped property units. Implemented split and merge of properties within the app based on survey findings and ground realities. Contributed to the app’s UI/UX to improve ease of use for field surveyors in real estate and urban planning, and collaborated with GIS specialists and backend teams to integrate property boundary data and update parcel records dynamically. Optimized offline performance for field surveys.

React Native Developer at Fiverr

January 1, 2021 - Present

Led end-to-end mobile development with React Native for a global client base. Built a social learning platform used by over 10,000 users, enabling real-time engagement and offline capabilities. Integrated authentication, Firestore, push notifications, and other Firebase services. Delivered 90+ orders across 80 clients with a 100% response rate and a perfect 5-star rating. Implemented scalable architecture to support rapid feature expansion and incorporated stakeholder feedback into regular updates, resulting in improved user retention and satisfaction.

React Native Developer at VisionX

January 1, 2024 - October 13, 2025

Redesigned the account management module used by 500,000+ active users in the MENA region, adding multi-language support across 10+ countries. Reduced customer support queries by 40% after release and improved post-release satisfaction scores. Consolidated account management under a single user ID, enabled multi-account ownership transfer, and introduced detailed consumption monitoring with hourly to monthly granularity. Led end-to-end redesign and implemented benchmarks for usage comparison.

React Native Developer at LMKR

September 1, 2025 - October 13, 2025

Enhanced UI/UX for field surveyors in real estate and urban planning, optimized offline data collection in low-connectivity areas, and integrated live maps with offline caching. Enabled real-time property viewing using geospatial data and supported data input on mapped property units, including split/merge functionality for survey findings. Collaborated with GIS and backend teams to update parcel records and boundary data.

React Native Developer at Fiverr

January 1, 2021 - Present

Delivered 90+ orders to 80 clients worldwide with a 100% response rate and a perfect 5-star rating. Built social apps using React Native, Firebase for authentication, Firestore, push notifications, and real-time data syncing. Led end-to-end mobile development, implementing scalable architecture to support rapid feature expansion and improved user engagement.

React Native Developer at VisionX

January 1, 2024 - October 13, 2025

Led redesign of account management module affecting 500,000+ active users across the MENA region, enabling multi-language support across 10+ countries; reduced customer support queries by 40% and increased post-release user satisfaction. Consolidated account management under a single user ID, implemented multi-language capabilities, and introduced usage monitoring.

React Native Developer at LMKR

September 1, 2025 - October 13, 2025

Enhanced UI/UX for field surveyors, optimized offline data collection in low-connectivity environments, and integrated live maps with offline caching. Implemented real-time property viewing using geospatial data, and enabled data input directly on mapped property units with GIS/backend collaboration.

React Native Developer at Fiverr

January 1, 2021 - November 4, 2025

Led end-to-end mobile development on multiple React Native projects for a global client base. Delivered 90+ orders to 80 clients, maintained a 100% response rate and 5-star ratings. Built a social learning platform serving 10,000+ users; improved user retention by 30% within three months through UX enhancements and real-time features. Implemented scalable architecture enabling rapid feature expansion; integrated Firebase authentication, Firestore, push notifications, and real-time sync; collaborated with stakeholders to translate requirements into performant mobile experiences.

React Native Developer at VisionX

January 1, 2024 - January 1, 2024

Redesigned the account management module impacting 500,000+ active users across the MENA region, enabling multi-language support across 10+ countries. Reduced customer support queries by 40% and boosted post-release user satisfaction. Led redesign of account management, overhauled user profiles for multi-account and multi-language capabilities; consolidated account management under a single user ID; enabled detailed consumption monitoring by hour, day, week, and month; developed benchmarking features comparing usage patterns with similar customers.

React Native Developer at LMKR

September 1, 2015 - September 1, 2015

Enhanced UI/UX for field surveyors in real estate and urban planning projects; optimized offline data collection in low-connectivity scenarios; implemented live map integration with offline caching; enabled real-time property viewing using geospatial data; developed features for survey data input directly on mapped property units and tools to split/merge properties; collaborated with GIS and backend teams to update parcel records.

React Native Developer at LMKR

September 1, 2025 - September 1, 2025

Enhanced UI/UX for field surveyors in real estate and urban planning projects. Optimized offline survey performance for data collection in low-connectivity areas. Implemented live map integration with offline data caching, enabling real-time property viewing using geospatial data. Added features to input survey data directly on mapped property units and provided tools to split/merge properties based on survey findings. Collaborated with GIS and backend teams to integrate property boundary data and update parcel records.