10/21/2026 updated

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Full-Service Software Engineering Partner | Dedicated Teams, AI, Cloud, Data & Enterprise Solutions

Pasadena, USA
Only remote
Bachelor of Computer Science and Informatics, State Engineering University of Armenia (2013-2017)
Pasadena, USA
Only remote
Bachelor of Computer Science and Informatics, State Engineering University of Armenia (2013-2017)

Profile attachments

hrachya_mkrtchyan.pdf

About me

zealous is a full-service software engineering company with 12+ years of experience, serving startups to Fortune 100s across 50+ countries. We build and scale dedicated teams, combining deep engineering expertise with AI, cloud, data, QA and flexible end-to-end product delivery.

Java (Programming Language)
Full-Stack Web Development
Extensive experience in both frontend and backend web development using JavaScript, TypeScript, ReactJS, NodeJS, AngularJS, Python, and Django. Development of complex web applications including streaming platforms, CMS systems, and AI-powered observability tools.

Cloud & AWS Architecture
Deep expertise in AWS services including Lambda, S3, CloudFormation, EventBridge, API Gateway, RDS, Aurora DSQL, DynamoDB, SQS, SNS, AppSync, Step Functions, and CloudWatch. Design and implementation of serverless microservices architectures and CI/CD pipelines using GitHub Actions.

QA Engineering, Testing & Automation
Solid background in testing and automation of web, mobile, API applications, including functional, performance, stress, and load testing. Proficiency with tools such as Playwright, Cypress, Selenium, JMeter, K8, Artillery, TestNG, PyTest, Jest, Vitest, Cucumber, Espresso, XCUITest, Appium, TestRail.

Database Management
Proficiency with a wide range of databases including PostgreSQL, MySQL, ClickHouse, ElasticSearch, Redis, MongoDB, and Amazon Aurora DSQL. Experience with DynamoDB Streams, Athena, and Glue for data pipeline and aggregation tasks.

GraphQL & API Development
Experience designing and implementing GraphQL APIs using Strawberry GraphQL, Apollo GraphQL, and Django Channels. Development of REST APIs and WebSocket-based services for real-time communication.

DevOps & Container Orchestration
Hands-on experience with Docker, Docker Compose, Kubernetes (GKE), ArgoCD, nginx, Grafana, Loki, and Datadog for deployment, monitoring, and infrastructure management.

AI/LLM Integration
Experience integrating AI agent flows and LLM-based workflows using Temporal, Prefect, Anthropic Claude, and Google Vertex AI into production platforms for automated debugging and observability.

Frontend Frameworks & UI Libraries
Proficiency with ReactJS, Redux, MUI, Radix UI, Tailwind CSS, shadcn/ui, ECharts, Recharts, React Flow, TanStack Table, Electron, Storybook, and Vite for building modern, responsive user interfaces.

Software Architecture & Methodologies
Strong foundation in Object-Oriented Programming, Design Patterns, and Architectural Patterns such as MVC. Experience applying these principles across large-scale enterprise and startup projects.

Experience

Professional experience10+ years
Freelancer since2026

Languages

EnglishFluent

Project history

Senior Software Engineer

zealous CJSC
Server design and backend development for a streaming platform designed for fitness and wellness. Responsibilities include development of serverless application (backend microservices on AWS Lambda), weekly/monthly user progress aggregation on Amazon Aurora DSQL, historical data backfill pipeline, continuous deployment to QA with GitHub Actions, new REST APIs, CMS schema extensions, and service upgrades.

Senior Software Engineer

Sailfish AI
Development of an AI-powered observability and debugging platform (Sailfish AI) capturing full-stack telemetry and using LLM agents to discover, triage, root-cause and fix production issues. Responsibilities included backend services (GraphQL API, WebSockets, async workers), frontend features for enterprise web and desktop (Electron) app, JS/TS session-recording SDK improvements, Zendesk app embedding, GitHub/GitLab integrations, AI agent flow integration, and database performance optimization.

Senior Software Engineer

zealous CJSC
Senior Software Engineer role at zealous CJSC, leading backend and full-stack development projects including serverless AWS architectures and streaming platform services.

Software Engineer - Server Design (Backend)

zealous CJSC
Development of backend services for a fitness and wellness streaming platform. Responsibilities included development of the serverless application (backend) and service upgrades. Technologies: Javascript, NodeJS, TypeScript, Git, MySQL, TypeORM, Jest, AWS SDK, AWS services, Serverless, Datadog, Doppler, Github Actions, Redis, OpenAPI.

Software Engineer - Content Management System Development

zealous CJSC
Development of a generic Content Management System designed for game servers. Responsibilities included designing REST APIs and developing website pages. Technologies: NodeJS, ReactJS, JavaScript, TypeScript, npm, yarn, CSS, Visual Studio Code, Gitlab, GQL, Jest, Swagger, Express, Mongoose, Ant Design, jwt.

Software Engineer

zealous CJSC
Software engineering role at zealous CJSC (with a break for military service from July 2017 to July 2019). Worked on web development projects including frontend and backend development.

Software Engineer - Fitness Web Application Development

zealous CJSC
Development of a streaming platform designed for fitness and wellness allowing users to subscribe to video workouts, digital contents and meal plans. Responsibilities included developing and releasing UI features and integrating web app with new content APIs. Technologies: ReactJS, CSS, JavaScript, npm, Visual Studio Code, Github, Redux, GQL, Styled Components.

Software Engineer - Employee Skills Management Platform

zealous CJSC
Web/Server design for employees to manage resource skills and find project matches. Responsibilities included development of frontend and backend, designing REST APIs, and creating website pages. Technologies: HTML/CSS, JavaScript, npm, Bootstrap, NodeJS, ReactJS, PostgreSQL, Visual Studio Code, Github, MVC.

Software Engineer - Server Design (Backend, Game)

zealous CJSC
Server design for a football video game to store/retrieve data and control user actions. Responsibilities included designing APIs and Spark integration to calculate player ratings. Technologies: Scala, sbt, Spark, MySQL, Akka, IntelliJ IDEA, Github.

QA Engineer - Functional Testing of Web/Mobile Apps

zealous CJSC
Functional test plans and suite design and development for testing web/mobile applications from both BE and FE perspective for a fitness and wellness streaming platform. Responsibilities included development of test systems for automated testing of web and mobile apps, unit/module/integration test-cases, and test-harness and report generation. Technologies: Netbeans, Android Studio, Jenkins, Jira, Github, TestRail, Confluence, Java, Gradle, Maven, Junit, Selenium, Cucumber, MySQL, Espresso.

QA Engineer - QA Metrics Dashboard

zealous CJSC
Designing a centralized portal for all QA metrics. Technologies: Netbeans, JS, AngularJS, HTML, CSS/CSS3, Bootstrap.

QA Engineer - Performance and Functional Testing of Clients Activities Management Services

zealous CJSC
Load/functional test plans and suite design and development for testing services functionality and load handling. Responsibilities included endurance/performance/stress and functional testing, test analysis and reporting, and automated test and reporting framework implementation. Technologies: Eclipse, JMeter, Jenkins, Java, TestNG, Junit, Maven, Elastic Search, Redis, RabbitMQ, Github, JIRA, Confluence.

QA Engineer - Automated Functional Testing of a Large Media Application

zealous CJSC
Functional testing of a media application on multiple platforms (iOS, Android, Web). Responsibilities included designing and automating iOS and Android UI tests, executing tests and analyzing results. Technologies: Eclipse, Jenkins, Java, Maven, Appium, TestNG, Github, Confluence.

QA Engineer - Testing of a Web/Mobile Game Backend Services

zealous CJSC
Load test plans design and development for testing FE service. Responsibilities included designing load test scripts, executing performance/scalability/endurance tests, and analyzing and documenting results. Technologies: Jenkins, Jmeter, Confluence, JIRA, Github.

Student / Intern at Instigate Training Center

zealous CJSC
Internship at Instigate Training Center as part of early career development.

Certificates

iSTQB Gold Partner

iSTQB

2025

Portfolio

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