Voucher Generating system
Built a voucher generation system replacing manual processes and reducing time by 80%.
Backend Engineer
Open to part-time
Bio
Nabil R. is a backend engineer with over five years of experience in architecting and delivering scalable backend systems in the retail and fintech domains. He specializes in Java, Spring Boot, and microservices, building secure APIs, voucher systems, and inventory audit tools. Nabil integrates technologies such as Keycloak, Spring Security, and LDAP into his projects, ensuring robust security and streamlined operations. He is proficient in AWS and Docker, emphasizing clean code and collaboration in agile environments. At Kazyon, Nabil developed a voucher generation system that reduced processing time by 80% and created a dashboard system for over 1000 branches to track operations. His work at KIWE included designing a QR-based ticketing system and integrating third-party services like Fawry and VictorLink. Nabil holds a BSc in Communication & Electronic Engineering from the Obour High Institute for Engineering & Technology. He is well-suited for roles that involve backend development and digital transformation projects in dynamic, cross-functional teams.
Expertise
JavaAWSSQLGoRelational Database
Video Intro
Assessments
- Find Indices of Two Numbers That Add Up to TargetHard
- Average Score on Handling Timeouts in Transaction ProcessingMedium
Projects
Dashboard System for Kazyon
Created an internal dashboard aggregating operation data for 1000+ branches to track opening/closing activities and life stock.
Inventory App
Developed a secure backend system enabling store managers to quickly and efficiently perform inventory audits.
E-commerce Kazyon System
Collaborated on resolving complex parts of the legacy code during transformation from spring 2 and hybris to a modern microservice-based architecture.
Experience
Sr Analyst I Software Engineering
DXC EGYAug 2024 — Present- Worked in agile environment with offshore teams located in other countries on London Market platform - Digital processing in global insurance markets.
Java Spring BootMicroservicesJunitAWSJAVA SOFTWARE Developer
KAZYON EGYApr 2023 — Jul 2024- Engineered backend system that streamlined critical operations and introduced scalable microservices infrastructure.
- Integrated Voucher Generating system, Dashboard System, Inventory App, and E-commerce Kazyon System.
Spring MVCThymeleafSQL ServerSpring BootSpring SecurityLDAPJWTKeycloakMicroservicesHybris MigrationApache POIJunior Back-end Developer
KIWE EGYSep 2021 — Mar 2023- Designed APIs and database schema for Product Marketplace.
- Created QR-Based ticketing system for event check-in and out.
- Built financial tracking tools and CMS Platform.
Spring CloudVictorLink SMSMNGM E-commerceFawry
Education
BSc. Communication & Electronic Department
obour high institute for engineering & technologyEgypt2012 — 2018
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Backend Engineer
4+ years experience
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