Abdelrahman Abdelnazeer
Summary
Experienced software engineer with 9+ years building scalable systems across mobile and backend domains. Demonstrated
expertise in architectural design, system replatforming, and driving technical initiatives that deliver significant business
impact. Proven track record of leading cross-functional teams and mentoring engineers while delivering complex technical
solutions that balance business needs with engineering excellence.
Overview
11
11
years of professional experience
2014
2014
years of post-secondary education
Work History
Senior Software Engineer
Hopper.com
Dubai
07.2022 - 04.2025
- Created architectural design and authored RFCs to replatform and unify Price Freeze across hotel and air verticals into a single multi-tenant system - reducing duplication, enabling partner-specific configurations, and streamlining integration with banks, airlines, and OTAs (Online Travel Agencies).
- Migrated Price Freeze to a server-driven UI architecture, enhancing flexibility and velocity in delivering dynamic user experiences.
- Played a key role in driving Price Freeze to profitability and doubling revenue through experimenting with pricing models, optimizing backend performance, and improving mobile UX.
- Conducted technical exploration and spikes on third-party and in-house solutions, contributing insights to technical decision-making.
- Built APIs and SDKs for fintech products like Change for Any Reason and Flight Disruption Assistance as part of the Airline Fintech team.
- Integrated three new airlines and supporting existing partners, contributing to increased adoption and broader availability of products like Change for Any Reason and Flight Disruption Assistance.
Senior Android Developer
Booking.com
Amsterdam
03.2021 - 07.2022
- Built features for customer-facing and partner-facing Android apps using Kotlin, Java, and backend services in Perl and Java.
- Led a multi-team project to launch the first Booking.com-paid Genius discounts, shifting from hotel-partner funded models to a new Booking-funded discount system - opening new monetization channels and increasing Booking's control over promotional strategies.
- Led large-scale projects challenging the status quo of current systems, facilitating smooth alignment and collaboration among multiple teams. Employed multiple iterations and extensive A/B testing to e.
- Mentored and onboarded engineers, fostering a collaborative learning environment and facilitating team growth.
- Developed internal testing tooling, with a comprehensive monitoring system per team and app modules, providing measurable testability needed to set objectives around test quality leading to an increase of test coverage of 20% of the booking.com app.
Core Android Developer
Booking.com
Amsterdam
11.2016 - 03.2021
- Built customer-facing features and backend services for the Genius loyalty program.
- Collaborated with product and engineering managers to define objectives, assess trade-offs, and plan timelines.
- Contributed to system design for new Genius program features across mobile and backend platforms.
- Applied A/B testing and data analysis to guide product improvements and validate new features.
Android Developer
Ousta Technologies
Cairo
10.2015 - 10.2016
- Company Overview: Ousta is a startup that offers a private car ordering service.
- Launched rider app to 100k+ users with a 99.6% crash-free rate.
- Created the OUSTA rider application.
- Ensured code cleanliness and structure, employing optimal design patterns for enhanced flexibility, maintainability, and reusability.
- Orchestrated the development roadmap for both rider and driver applications.
- Evaluated and selected technologies, APIs, design patterns, and coding styles for implementation.
- Ousta is a startup that offers a private car ordering service.
Android Developer
Cyan Digital House
Cairo
05.2015 - 10.2015
- Built high quality native Android applications.
- Helped in putting web services structure and design.
- Researched and introduced new features on the products.
Android Developer
Vision-AS
Cairo
01.2015 - 03.2015
- Worked on building an educational Android Application to help school students read lessons, watch videos, answer quizzes using Canvas LMS API.
Linux Admin
Vision-AS
Cairo
07.2014 - 01.2015
- Set up and maintain Linux servers.
- Troubleshoot clients' server problems and provide appropriate solutions.
- Write automation and monitoring scripts.
Education
Bachelor's degree - Computer engineering
Shoubra faculty of engineering-Benha university
Skills
- Android Development
- Backend Development
- Kotlin
- Scala
- Java
- Perl
- SQL
- BigQuery
- Microservices
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Timeline
Senior Software Engineer
Hopper.com
07.2022 - 04.2025
Senior Android Developer
Booking.com
03.2021 - 07.2022
Core Android Developer
Booking.com
11.2016 - 03.2021
Android Developer
Ousta Technologies
10.2015 - 10.2016
Android Developer
Cyan Digital House
05.2015 - 10.2015
Android Developer
Vision-AS
01.2015 - 03.2015
Linux Admin
Vision-AS
07.2014 - 01.2015
Bachelor's degree - Computer engineering
Shoubra faculty of engineering-Benha university
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