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Ahmed Abdelhafiz , full stack developer

Ahmed Abdelhafiz

full stack developer ·freelancer

Saudi Arabia

Bachelor's degree, Software Engineering

Work experience

Total years of experience: 6 years, 4 months

full stack developer

February 2020 - Present

freelancer

Khartoum, Sudan

February 2020 - Present

I work as a freelance developer. I provide services including requirements gathering, development, deployment, operation and monitoring. Furthermore to help deliver their ideas in the best way possible.

Company industry:
Software Development
Job role:
Information Technology

Software Developer

December 2024 - January 2025

SudaPost — Sudanese Postal Services Co.

Khartoum, Sudan

December 2024 - January 2025

▸ Rewrote a 10-year-old government-mandated financial report — originally driven by a
3, 000+ line Oracle PL/SQL stored procedure — reducing generation time from 2-4 minutes
down to under 10 seconds, a 94% performance improvement, and enabling compliance
reporting that had previously required multi-minute waits to run on demand.
▸ Accelerated operational reporting by rebuilding CRM RESTful endpoints in Spring Boot,
cutting data retrieval latency and eliminating manual workarounds used by three internal
departments.
▸ Delivered end-to-end data ingestion and transformation pipelines that consolidated multi
source business data into structured analytics dashboards, replacing a fully manual
reporting workflow.

Company industry:
Distribution, Supply Chain & Logistics

Backend Developer

October 2021 - November 2024

Mishwar Technology

Khartoum, Sudan Hybrid

October 2021 - November 2024

▸ Engineered and scaled a Java/Spring Boot REST API backend for a transport booking
platform handling up to 5, 000 daily journeys at peak, maintaining consistent uptime across
mobile and web clients throughout.
▸ Designed a fully normalised PostgreSQL schema covering bookings, routes, drivers, and
user profiles — reducing data duplication and enabling complex reporting queries that
previously required manual aggregation.
▸ Drove three major feature releases end-to-end by translating stakeholder requirements into
technical specifications, coordinating delivery, and shipping working software on schedule.
▸ Strengthened by authoring JUnit and a Postman-based integration
test suite, achieving regression coverage across all business-critical endpoints and reducing
post-release defects.

Company industry:
Motor Vehicle Passenger Transport

Education

Sudan University of Science and Technology

May 2022

May 2022

Bachelor's degree, Software Engineering

Sudan

GPA (point): 2.60 out of 4

GPA (point): 2.60 out of 4

Skills

NodeJS
Expert
NodeJS
Expert
SDLC
Expert
SDLC
Expert
SQL
Expert
SQL
Expert
Spring
Expert
Spring
Expert
Java
Expert
Java
Expert
HTML/CSS
Expert
HTML/CSS
Expert
Spring Boot
Expert
Spring Boot
Expert
Communication
Expert
Communication
Expert
Git/Github
Expert
Git/Github
Expert
Bootstrap
Intermediate
Bootstrap
Intermediate
Linux
Intermediate
Linux
Intermediate
Java
Expert
Java
Expert
teamwork
Intermediate
teamwork
Intermediate
kotlin
Intermediate
kotlin
Intermediate
Software Architecture
Intermediate
Software Architecture
Intermediate
Oath 2
Intermediate
Oath 2
Intermediate
node.js
Intermediate
node.js
Intermediate
JavaScript
Intermediate
JavaScript
Intermediate
Docker
Expert
Docker
Expert
mysql
Expert
mysql
Expert
postgresql
Intermediate
postgresql
Intermediate
python
Intermediate
python
Intermediate
Firebase
Intermediate
Firebase
Intermediate
Express Js
Intermediate
Express Js
Intermediate
mvc
Intermediate
mvc
Intermediate
kubernetes
Intermediate
kubernetes
Intermediate
JSON
Expert
JSON
Expert
web development
Intermediate
web development
Intermediate
problem solving
Expert
problem solving
Expert
BACK END SOFTWARE ENGINEERING
Intermediate
BACK END SOFTWARE ENGINEERING
Intermediate
DATA PIPELINES
Intermediate
DATA PIPELINES
Intermediate
GITHUB
Intermediate
GITHUB
Intermediate
JAVA PROGRAMMING LANGUAGE
Intermediate
JAVA PROGRAMMING LANGUAGE
Intermediate
LINKEDIN
Intermediate
LINKEDIN
Intermediate
NODE JS JAVASCRIPT LIBRARY
Intermediate
NODE JS JAVASCRIPT LIBRARY
Intermediate
NOSQL
Intermediate
NOSQL
Intermediate
RESTFUL API
Intermediate
RESTFUL API
Intermediate
SOFTWARE ENGINEERING
Intermediate
SOFTWARE ENGINEERING
Intermediate
SQL PROGRAMMING LANGUAGE
Intermediate
SQL PROGRAMMING LANGUAGE
Intermediate

Languages

Arabic
Native Speaker
English
Expert