"<Rashad Ataf>"
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© 2026 Rashad Ataf

About Me

My programming journey began in 2010 with Visual Basic 6 during high school, sparking a passion that led me to earn a Bachelor's degree in Computer Engineering from Tishreen University. Since 2017, I've built my career as a full-stack engineer, working across startups and established companies. Currently, I'm a Senior Full Stack Software Engineer at ZIM Connections in London, where I contribute to architecture decisions and lead development of a React Native eSIM marketplace app serving 10,000+ users across 190+ countries. Mobile is where I've gone deepest. Beyond the React Native layer, I've built 4+ custom native modules in Kotlin, Java, Swift, and Objective-C, covering SIM diagnostics, metrics collection, and system-level integrations. One of my proudest wins was reverse-engineering the Android eSIM provisioning flow with no official documentation: I used ADB log analysis to find the system intent behind the QR scan and replicate it, so the app can trigger eSIM installation natively. Over the years, I've evolved from building simple websites to architecting complex systems with TypeScript, Node.js, React Native, and cloud infrastructure. I'm passionate about system design, performance optimization, and mentoring junior developers. When I'm not coding, you'll find me exploring new technologies, analyzing stocks, or diving into a good book. Beyond my day job, I actively contribute to the developer community through open-source projects like AutoTypeX, and I'm always experimenting with new tech, currently building an algorithmic trading platform in Python.
Happy Clients
100+
Projects Completed
200+
Years Experience
9

Skills

Proficient

HTML

90% proficient

CSS

85% proficient

Tailwind CSS

80% proficient

JavaScript

90% proficient

TypeScript

90% proficient

React.js

85% proficient

React Native

80% proficient

Redux.js

75% proficient

Next.js

80% proficient

Node.js

85% proficient

Express

80% proficient

Nest.js

70% proficient

RESTful APIs

80% proficient

GraphQL

65% proficient

WebSockets

70% proficient

PostgreSQL

75% proficient

MongoDB

75% proficient

SQL

75% proficient

Git

90% proficient

GitHub

85% proficient

CI/CD

80% proficient

Clouds (AWS, GCP)

75% proficient

Docker

75% proficient

Linux

70% proficient

Pulumi

60% proficient
Familiar

Kotlin

60% proficient

Android (Java)

65% proficient

Swift

60% proficient

SwiftUI

55% proficient

Objective-C

50% proficient

Python

60% proficient

FastAPI

55% proficient

Redis

65% proficient

BullMQ

60% proficient

PHP

60% proficient

Laravel

60% proficient

C

50% proficient

C++

60% proficient

MySQL

60% proficient

WordPress

60% proficient

Figma

70% proficient

Photoshop

40% proficient

C#

55% proficient

Vue.js

40% proficient

Experience

Senior Full Stack Software Engineer - ZIM Connections, London

Dec 2021 - Present

  • Contributed to architecture and led development of a React Native eSIM marketplace app serving 10K+ users across 190+ countries, backed by TypeScript/Node.js services on AWS handling 50K+ daily requests.
  • Built 4+ native modules in Kotlin, Java, Swift, and Objective-C for SIM diagnostics, metrics collection, and system-level integrations, bridged into the React Native app.
  • Reverse-engineered the Android eSIM provisioning flow with no official documentation (ADB log analysis, system intent replication), enabling the app to trigger eSIM installation natively.
  • Implemented secure session persistence across app reinstalls using iOS Keychain and Android Keystore.
  • Led end-to-end development of 20+ React Native features, reducing load time by 75% and increasing user retention by 30%.
  • Established CI/CD with GitHub Actions (automated testing, linting, type-checking), cutting deployment time from 2 hours to 15 minutes.
  • Resolved 50+ critical bugs and implemented CloudWatch and Elastic APM monitoring for proactive issue detection.
  • Drove technical roadmap decisions with C-suite and product teams, balancing business goals with scalability.
  • Standardized UI components, reducing development time by 35%.
  • Mentored 3 junior developers, improving team velocity by 40% through code reviews and best practice workshops.
Full Stack Software Developer - Alphatech, Istanbul

Feb 2021 - Nov 2021

  • Designed role-based dashboards used by 500+ internal users, reducing task completion time by 25%.
  • Conducted in-depth analysis of application requirements, crafting efficient and scalable database designs.
  • Explored and implemented best practices in HTTP standards, REST, and web security for optimal application performance and user authentication.
Freelancer, Full Stack Software Developer - Self Employed, Remote

Aug 2017 - Feb 2021

  • Redesigned 10+ client websites, improving SEO rankings by 50% and increasing organic traffic by 200%.
  • Integrated apps with REST APIs for Google Maps, social media logins, payment processors, and various services.
  • Conducted thorough searches for suitable hosting and VPS, deploying projects and configuring servers with domains and subdomains.
  • Engineered RESTful web services to manipulate dynamic datasets.
  • Designed and implemented both NoSQL and SQL databases, developing APIs for seamless database communication.

Education

Tishreen University

Bachelor in Computer Engineering

Sep 2012 - Sep 2019