Vahagn Harutyunyan
Vahagn Harutyunyan

Senior Full Stack Software Engineer

Actively looking · Member since 7 Oct 2026
Location
Yerevan, Armenia
Desired salary
Unspecified
Work preference
Remote Only
Experience level
Senior

About

Professional summary

I am a Senior Full Stack Software Engineer with over six years of experience building business-critical software from initial architecture through production deployment and support.

I specialize in backend and full-stack development with PHP, Laravel, Node.js, React, Vue.js, TypeScript, React Native, and relational databases. I build scalable APIs, administrative systems, web applications, and mobile applications.

I have substantial domain experience in payment systems, fintech, insurance, banking integrations, SaaS, marketplaces, e-commerce, and booking platforms. My work includes transaction processing, reconciliation, merchant integrations, reporting, and real-time notifications.

I focus on reliable high-concurrency systems, including transaction-safe database design, row-level locking, conditional updates, Redis-backed workflows, and production monitoring. I have also published React Native applications to the Apple App Store and Google Play.

I contribute beyond implementation through system design, architecture, sprint estimation, production support, code reviews, developer mentoring, and technical interviews. I enjoy delivering maintainable solutions that solve complex business problems.

Skills

26 capabilities

Tech stack & tools

Working toolkit

Application Hosting

Data Stores

Languages & Frameworks

Libraries

Experience

Career history

Senior Full Stack Software Engineer Golden SB Tech Group

Designed and delivered a multi-channel payment gateway supporting account-to-account, card-to-card, cryptocurrency, bank gateway, merchant withdrawal, and peer-to-peer payment flows. Architected transaction-processing workflows and database schemas for card, bank, crypto, Stripe, Idram, and merchant withdrawal rails.

Implemented concurrency-safe transaction matching through transactional processing, row-level locking, and conditional updates to prevent race conditions. Built merchant APIs, reconciliation and reporting tools, administration dashboards, real-time payment notifications, merchant synchronization infrastructure, and centralized monitoring for payment, banking, and cryptocurrency operations.

Processed and monitored thousands of daily transactions across multiple channels. Mentored junior and mid-level developers, conducted code reviews, participated in technical interviews, and contributed to architecture, planning, and estimation.

Full Stack Software Engineer AOByte

Built investment and insurance platforms covering travel, vehicle, and property insurance products. Developed full-stack functionality for business workflows, contracts, integrations, and user-facing applications.

Integrated Sumsub KYC, governmental services through Ekeng APIs, and MASYS SOAP services for contract validation. Developed PDF contract generation and asynchronous notification systems.

Contributed to technical architecture, developer mentoring, estimation, release activities, and production support.

Full Stack Web Developer Join To Hire

Developed full-stack web applications, APIs, and administrative interfaces. Worked across backend and frontend implementation to support business application requirements.

Contributed to the delivery of web systems with API integrations and internal administration capabilities.

Freelance Developer Freelance

Delivered custom web applications, automation tools, and administration systems for clients. Managed projects from requirements gathering and implementation through deployment.

Built practical business solutions with a focus on end-to-end delivery, maintainability, and operational readiness.

Web Developer Wave IT

Developed and maintained web applications and REST APIs. Worked with MySQL databases and frontend integrations to support application features.

Contributed to ongoing maintenance and enhancement of web-based systems.

Backend Developer Cube Development Studio

Developed backend services and database-driven applications using MySQL. Participated in API development and maintenance of existing applications.

Supported the implementation of backend functionality and ongoing application improvements.

Education

Learning history

Armenian State University of Economics

Bachelor, Finance

Bachelor of Finance. GPA: 97.58.

ISTC Academy

Techno Group Program

Completed the Techno Group Program.

This professional hasn’t added portfolio projects yet.

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