Hello, I'm

Tigran Petrosyants

Full-Stack Web Developer | Angular, React & Node.js

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01 / About

About Me

Full-Stack Web Developer with 4 years of experience building and modernizing enterprise applications using Angular, TypeScript, Node.js, REST APIs, PostgreSQL, MongoDB, and Redis. Hands-on experience with Dockerized deployments, Linux production servers, HTTPS, and CI/CD. Build AI-assisted development workflows and automation infrastructure with controlled context, tool access, evaluation, and QA to improve delivery reliability and developer productivity.

LOCATION Yerevan, Armenia

EMAIL tigran.petrosyants@gmail.com

STATUS Open to opportunities

Languages

Armenian · Native English · Professional Russian · Professional Spanish · Elementary

Years Experience

30+

Technologies

Companies

02 / Skills

Technical Skills

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Front-End

Angular 13–20 React Next.js TypeScript JavaScript (ES6+) HTML5 CSS3/SCSS Tailwind CSS Astro Three.js GSAP Angular Material RxJS Figma Figma-to-Code Workflows Lit (familiar)

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Back-End

Node.js Bun Express.js LoopBack MongoDB Firebase PostgreSQL (familiar) Redis (familiar) RESTful APIs GraphQL gRPC

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AI Development & Automation

Cursor Claude Code OpenAI Codex OpenAI Agents SDK MCP (Model Context Protocol) Agent-to-Agent (A2A) interoperability Figma-to-Code Workflows Prompt/context orchestration Tool-permission control Evaluation and QA automation

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Testing

Cypress (E2E) Puppeteer Unit Testing Component Testing

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DevOps & Cloud

Git GitHub/GitLab Bitbucket GitLab CI/CD GitHub Actions Docker AWS (familiar) Linux HTTPS DNS Backups npm/yarn

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Security & Integration

Keycloak Passport HttpOnly cookies CSRF Socket.io SignalR Swagger/OpenAPI Rate limiting

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Methodologies

Agile/Scrum Code Reviews Technical Documentation Knowledge Transfer

03 / Experience

Experience

Oct 2022 — Present

Web Developer

FreeDOM Development CJSC

Yerevan, Armenia (Remote)

▸ Develop and maintain enterprise web applications using Angular, TypeScript, Node.js, and REST APIs
▸ Build backend services and third-party integrations using PostgreSQL, MongoDB, and Redis, including JWT/OAuth2 authentication, asynchronous processing, and message queues
▸ Design authentication, data synchronization, webhook, and error-handling flows across distributed services
▸ Containerize applications with Docker and use GitLab CI/CD for automated testing, builds, deployments, and production releases
▸ Improve application performance by eliminating redundant API calls, optimizing database queries, and introducing caching strategies
▸ Participate in architecture discussions, peer code reviews, technical documentation, and shared component/module development
▸ Collaborate with designers, QA, product stakeholders, and frontend/backend engineers from planning through production support

Aug 2025 — Aug 2026

Angular & Node.js Developer (Contract)

STDEV

Yerevan, Armenia (Remote)

▸ Contributed to enterprise web applications in communications, workflow, and operations domains using Angular 20, TypeScript, Angular Material, RxJS, NgRx, Keycloak, SignalR, AG Grid, and data visualization libraries
▸ Led an enterprise Angular upgrade from version 17 to 20, migrating legacy RxJS-based modules to standalone components and signal-based state management
▸ Resolved breaking changes and deprecated APIs while adopting modern Angular control flow and architectural patterns
▸ Improved bundle size and load performance through lazy loading, OnPush change detection, and tree-shakeable standalone imports
▸ Built and maintained Node.js backend services with NestJS, Prisma, PostgreSQL, Redis, BullMQ, JWT/Passport authentication, Swagger/OpenAPI, throttling, and structured logging
▸ Integrated AI-assisted development capabilities using OpenAI agent tooling and contributed to automated QA, build-audit, and UI-guard workflows
▸ Collaborated with backend engineers, designers, and QA to deliver features without production downtime; conducted code reviews and documented migration patterns

Oct 2022 — Dec 2022

Web Development Intern

FreeDOM Development CJSC

Yerevan, Armenia (Remote)

▸ Built responsive web applications using Angular, Tailwind CSS, HTML5, and CSS3, ensuring cross-browser compatibility and accessibility compliance
▸ Developed REST APIs with Node.js, Express.js, and MongoDB, following RESTful design principles and best practices
▸ Wrote E2E automated tests using Cypress, improving test coverage and reducing regression bugs
▸ Optimized application performance, accessibility (WCAG), and SEO through audit-driven improvements

Mar 2021 — Dec 2022

Customer Support Specialist

Digitain

Yerevan, Armenia

▸ Provided technical support for enterprise-grade B2B gaming platform, troubleshooting complex issues and coordinating with development teams for resolution
▸ Developed strong communication and problem-solving skills in a fast-paced, client-facing technical environment serving international clients

04 / Projects

Projects

All professional work projects are under NDA. The examples below are personal projects.

ServiceNer.am

A production-ready full-stack service marketplace connecting clients with verified professionals across Armenia. Built with a Next.js/React frontend, Express/TypeScript backend, MongoDB/Mongoose persistence, shared TypeScript contracts, multilingual Armenian/English/Russian content, booking workflows, provider/client dashboards, image uploads, and real-time Socket.io notifications. Includes protected authentication with HttpOnly JWT cookies, CSRF protection, validation, rate limiting, and role-aware access control. Docker Compose, Linux deployment, HTTPS, DNS, backups, Cypress E2E checks, smoke verification, and production health workflows support reliable operation.

Next.js React Express.js Node.js TypeScript MongoDB Mongoose Socket.io Docker Compose Cypress Tailwind CSS

Next.js React Express.js Node.js TypeScript +6

Sneakers Store

An e-commerce single-page application for browsing and purchasing sneakers. Includes product catalog with filtering, shopping cart functionality, responsive design, and a clean modern UI.

Angular TypeScript Tailwind CSS RxJS

Technical Blog

A tech blog platform with a dark-themed design system, featuring article listings, syntax-highlighted code blocks, and category-based navigation focused on Angular and web development news.

Angular TypeScript Firebase SCSS Angular Material

Jobs Armenia IT

An AI-assisted job aggregation and Telegram automation platform. A Bun/TypeScript worker aggregates jobs from 40+ configured sources, persists data in PostgreSQL or SQLite, deduplicates and classifies opportunities, routes them into structured Telegram topics, and generates daily or weekly AI digests. Includes eligibility filtering, AI-assisted publication quality review, source-health monitoring, concurrency control, and repository-aware automation workflows using Cursor, Claude Code, OpenAI Codex, MCP, and agent tooling.

Bun TypeScript PostgreSQL SQLite Telegram Bot API AI Agents MCP Web Scraping

Bun TypeScript PostgreSQL SQLite Telegram Bot API +3

05 / Education

Education & Certifications

Degrees

Bachelor of Management

Sep 2017

Eurasia International University, Yerevan

ERASMUS+ Exchange Scholarship

Dec 2019

Santiago de Compostela University, Spain

Certifications

Certificate of React JS

Nov 2021

Armenian Code Academy

Certificate of JavaScript

Jul 2021

Microsoft Innovation Center

Languages

Armenian Native

English Professional

Russian Professional

Spanish Elementary

06 / Contact

Get In Touch

I'm currently open to new opportunities. Whether you have a project in mind, a question, or just want to say hello — I'd love to hear from you.

linkedin.com/in/tigran-petrosyants

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