Армен 

Armen Sarkisian
Full-Stack .NET Developer

Living place: Ukraine, Drohobych

Date of birth: 18.06.1994

Email: [відкрити контакти](див. вище в блоці «контактна інформація»)

Telegram: t.me/naisikras

LinkedIn: [відкрити контакти](див. вище в блоці «контактна інформація»)

Github: github.com/armen-sarkisian

Summary

.NET Developer with 2+ years of hands-on experience building RESTful APIs and

integrating with external systems. Experienced in financial workflows, messaging

systems, and database optimization. Skilled in ASP.NET Core (primarily Web API,

with previous experience in ASP.NET MVC), MS SQL, RabbitMQ, and backend

integrations with Telegram Bot API, Microsoft Graph API, LiveAgent, CheckBox API

and OpenAI API. On the frontend, worked with React and modern JavaScript (ES6+).

Technical Skills
Backend
C#, ASP.NET Core (WebAPI/MVC)
RESTful API
Entity Framework Core
MS SQL, PostgreSQL
Quartz.NET
JWT Authentication

Dependency Injection
LINQ
Redis
RabbitMQ (MassTransit)
Design Patterns

Database & Performance
SQL query optimization
Index design and tuning
Stored procedure optimization

Observability & DevOps
Docker
Grafana
Azure
Prometheus (metrics integration: latency, error rate)
Logging and error handling

Integrations experience
Microsoft Graph API (mail monitoring, transport rules)
Telegram Bot API
LiveAgent (ticket creation, support workflows)
OpenAI GPT API (AI-based integrations)

Frontend
React, JavaScript ES6, HTML, CSS

Other
Git
NGrok
Postman

Experience
Backend .NET Developer — FunExtreme Technology LLC (747ph.live
project)
May 2025 – Apr 2026

Developed backend for a payment aggregator platform (online casino
domain): deposits, withdrawals, balance tracking
Built message-driven workflows using MassTransit and RabbitMQ
(asynchronous processing)
Implemented retry policies and handled failed messages using dead-letter
queues
Worked with financial transaction flows and basic consistency handling
Optimized EF Core usage: reduced N+1 queries, improved query structure
Improved database performance: added indexes based on slow queries,
optimized stored procedures and joins
Added system observability: integrated Prometheus metrics (latency, error
rate), built dashboards in Grafana
Used Docker for local environment setup (API, database, message broker)
Improved logging and error tracking for backend operations
Integrated OpenAI GPT API for AI-driven features (request handling,
response generation)

Backend .NET Developer — RocketUp (Timewise.com.ua project)
Feb 2025 – Apr 2025

Developed backend services using ASP.NET Core
Integrated Microsoft Graph API and Exchange Online
Implemented email monitoring and transport rule management
Worked with Microsoft Entra ID (Azure AD)

Backend .NET Developer — JobPlnr
Sep 2024 – Dec 2024

Developed frontend features using React
Fixed bugs and implemented UI changes based on requirements

Gained experience working in a production environment

Full-stack ASP.NET MVC Developer — SunRose
Oct 2021 – Jul 2023

Maintained and extended legacy ASP.NET MVC application
Implemented PayPal payment integration
Developed REST API integration to CheckBox.ua
Prepared and deployed releases

Education
National Metallurgical Academy of Ukraine (Dnipro)

Material Science and Metal Processing
Graduated: 2016

Languages
Ukrainian — Native
Russian — Fluent
English — Intermediate
German — Basic
Armenian — Basic

Notes
Focused on backend engineering and system reliability
Interested in building scalable systems and SaaS products
Continuously improving knowledge of distributed systems and performance
optimization