Senior Software Engineer

Karen H

Information

Available hours \ week
40 h/w
Seniority level
Senior
Years of experience
9 yrs.
Location
United Arab Emirates, Dubai
Nationality
Armenia
Timezone
(GMT+04:00) Yerevan

Languages

Russian
Fluent (C2)
Armenian
Fluent (C2)
English
Advanced (C1)

About

Karen is a Senior Software Engineer with 9 years of experience in full-stack development. She excels in Node.js, React Native, React.js, and JavaScript, having led teams to deliver stable and high-performance applications while ensuring code quality and secure API integrations. Her past roles include leading software engineering efforts in fintech and cybersecurity sectors, tackling challenges in app architecture and performance optimization. She holds degrees in Finances and Web Development.

Additional skills

Experience

Wallypay

Lead Software Engineer

About the Project

WallyPay is a modern Georgian mobile banking app that enables users to manage accounts, make transfers, pay bills, track transactions, and perform daily financial operations. The goal was to deliver a secure, fast, and reliable digital banking experience with real-time services for both individuals and small businesses.

  • Fintech

Responsibilities

I worked as the Lead Software Engineer, responsible for the app architecture, core feature development, secure API integrations, and overall code quality. I led the mobile team, coordinated with backend and product teams, and helped deliver a stable, high-performance banking app used by thousands of users.

AutoSec

Lead Mobile Engineer

About the Project

AutoSec is a secure networking application that provides fast, private, and reliable VPN connections. The goal is to protect user data, ensure anonymous browsing, and offer stable global server connectivity. The product includes encrypted tunnels, real-time speed monitoring, server switching, and a simple, user-friendly interface for users who need privacy and unrestricted internet access.

  • Cyber-security

Responsibilities

I worked as the Lead Software Engineer, responsible for the app’s architecture, VPN integration, custom native modules, secure tunneling logic, and performance optimization. I implemented core features like server management, speed tracking, and connection stability. I also coordinated with backend and security teams to deliver a fast, secure, and reliable VPN experience.

Skills & technologies

DU

Senior Software Engineer

About the Project

The Du Telecom mobile app provides customers with an easy way to manage their telecom services, including mobile plans, payments, data usage, add-ons, support requests, and account settings. The goal was to deliver a stable, user-friendly, and secure app that improves customer self-service and reduces dependency on call centers. The target audience is Du’s mobile and home service customers across the UAE.

  • Telecommunications

Responsibilities

As a Senior Software Engineer, I contributed to developing key mobile features, integrating APIs, improving performance, and ensuring smooth user flows. I worked closely with design, backend, and QA teams, optimized the app’s architecture, fixed critical issues, and helped deliver reliable updates that improved overall user experience and app stability.

Skills & technologies

Education

Armenian State University of Economics

2012 - 2018
Finances

Microsoft IT Academy (Yerevan)

2015 - 2016
Web Development