Hovhannes is available for hire
Hire HovhannesHovhannes Dallakyan
Verified Expert in Engineering
Front-end Developer
Location
Kraków, Poland
Toptal Member Since
September 9, 2022
Hovhannes is an experienced lead software engineer based in Poland with a proven track record of building web applications and private npm packages for major companies, including a world-renowned news website. He specializes in JavaScript, React, and Node.js and enjoys freelancing on new, challenging projects. Hovhannes is also skilled in organizing and leading technical courses for beginners in various IT companies.
Portfolio
EPAM Systems
JavaScript, React, HTML, CSS, NestJS, Jenkins, Git, Private NPM Modules...
FLux Technology
HTML, CSS, JavaScript, React, Private NPM Modules, Node.js, APIs, Material UI...
SoftConstruct
HTML, CSS, Angular, JavaScript, Git, Front-end Architecture, SCSS, GitHub...
Experience
Availability
Part-time
Preferred Environment
MacOS, Linux, WebStorm, GitHub, Notion
The most amazing...
...project I've developed as a tech lead is a private npm library for premium features as part of one of the most famous news websites in the world.
Work Experience
Lead Software Engineer
2020 - 2024
EPAM Systems
- Developed and launched a site application for a news website. We had thousands of user engagements from three countries in the first month.
- Participated in the application architecture development, led the technical team, reviewed the code, introduced new features, and solved problems with their implementation.
- Attended the production and development environment deployment stages.
- Headed another tech team that created a private npm package for some common features.
Technologies: JavaScript, React, HTML, CSS, NestJS, Jenkins, Git, Private NPM Modules, Front-end Architecture, APIs, Node.js, SCSS, GitHub, Material UI, Redux, Scrum, Leadership, Functional Programming, Web Applications, Object-oriented Programming (OOP), Design Patterns, IT Project Management, Unit Testing, Agile, HTML5, MySQL, Sass, ESLint, Jest, TypeScript, SQL, Jira, Zoom, PostgreSQL, User Interface (UI), User Experience (UX), Web Development, Estimations, GitHub Actions, Charts, Front-end Development, Team Leadership, Next.js, UI Components, Storybook, OneTrust, Architecture, ChatGPT, OpenAI GPT-3 API, Front-end, REST APIs
Senior Software Engineer
2019 - 2020
FLux Technology
- Developed a large scalable eCommerce application for event management and added new features for specific events.
- Added features, fixed bugs, and improved the performance and user interface (UI).
- Attended release processes. In some months, the application was visited by more than 10,000 people.
- Helped a back-end developer to work on the front-end part and reviewed the code.
Technologies: HTML, CSS, JavaScript, React, Private NPM Modules, Node.js, APIs, Material UI, NestJS, Git, Front-end Architecture, SCSS, GitHub, Redux, Scrum, Leadership, React Native, Functional Programming, Web Applications, Object-oriented Programming (OOP), Design Patterns, IT Project Management, Unit Testing, Agile, HTML5, MySQL, Sass, ESLint, Jest, TypeScript, SQL, Slack, Jira, Zoom, Firebase, PostgreSQL, User Interface (UI), User Experience (UX), Web Development, Estimations, GitHub Actions, Bootstrap, Chrome Extensions, Charts, Full-stack Development, Full-stack, Front-end Development, Team Leadership, UI Components, PDF, Vue, Front-end, REST APIs
Software Engineer
2018 - 2019
SoftConstruct
- Developed a mobile web version of a large scalable project, mainly used by clients from the USA.
- Implemented new features, tracked and fixed bugs, and created a mobile web version of the application.
- Launched it in the US market and had more than 5,000 users.
- Resolved many CSS performance issues for older mobile phones.
Technologies: HTML, CSS, Angular, JavaScript, Git, Front-end Architecture, SCSS, GitHub, Material UI, Redux, Scrum, Leadership, APIs, Functional Programming, Web Applications, Object-oriented Programming (OOP), Design Patterns, IT Project Management, Agile, HTML5, Sass, ESLint, RxJS, Slack, Jira, Zoom, Web Development, Estimations, Front-end Development, Team Leadership, Front-end, REST APIs
Software Engineer
2017 - 2018
GrowApp Israel LTD
- Developed a mobile and web application for a QR code bonus system. After its launch, the app's name was in the window of almost every store in the country.
- Built a front-end part of the projects with React and used Meteor for the back end.
- Developed a mobile version of the app using React Native for Apple and Android platforms.
Technologies: HTML, CSS, JavaScript, React, React Native, Git, Node.js, Front-end Architecture, SCSS, GitHub, Private NPM Modules, Material UI, Redux, APIs, Web Applications, Object-oriented Programming (OOP), Design Patterns, IT Project Management, Agile, HTML5, Sass, ESLint, TypeScript, Web Development, Estimations, Heroku, Full-stack Development, Full-stack, Front-end Development, Front-end, REST APIs
Software Developer
2017 - 2017
DD Minds
- Developed an eCommerce web application from scratch for selling flowers. The business had a very successful dry run from the first month.
- Developed new features. Tracked and fixed bugs using the Jira tool.
- Oversaw the launch process and active engagement of the users in the first month.
- Added new features to the site at the client's request.
Technologies: HTML, CSS, JavaScript, SCSS, GitHub, APIs, Web Applications, Object-oriented Programming (OOP), HTML5, Sass, Web Development, Estimations, Heroku, Bootstrap, Front-end Development, Front-end
Experience
Paid Subscription Flow | NPM Library for All of the Client's Products
A React-based reusable npm private package for paid subscriptions. I implemented it with a micro front-end architecture that connects the other client's products and works independently. Also, I implemented it with third-party services.
Virtual Back Room - Zoom Video SDK
I added new features to the web application created with React and Firebase using Zoom Video SDK.
It was a user-based video portal. I used Zoom Video SDK for the functionality of the meeting, added some bug fixes, and new features like recording and pinning.
It was a user-based video portal. I used Zoom Video SDK for the functionality of the meeting, added some bug fixes, and new features like recording and pinning.
Fantasy Sport
I worked on a big scalable project named Fantasy Sport as a front-end developer. I have used the Angular framework, did responsive converting from design templates to HTML, and CSS ( SCSS ), improved the REST APIs, and aided with debugging and problem-fixing.
Harmony Access Manager
Key Responsibilities:
• User experience design: Developed user flows and navigation schemas to optimize the user experience for enterprise-level applications, aligning with modern design languages and UI patterns.
• Front-end development: Implemented cutting-edge React features, demonstrating proficiency in context, hooks, performance optimization, and more, to create robust, maintainable front-end architectures.
• Collaborative Development: Worked alongside back-end teams to integrate front-end and back-end operations seamlessly, ensuring responsive and scalable solutions.
• User experience design: Developed user flows and navigation schemas to optimize the user experience for enterprise-level applications, aligning with modern design languages and UI patterns.
• Front-end development: Implemented cutting-edge React features, demonstrating proficiency in context, hooks, performance optimization, and more, to create robust, maintainable front-end architectures.
• Collaborative Development: Worked alongside back-end teams to integrate front-end and back-end operations seamlessly, ensuring responsive and scalable solutions.
Education
2010 - 2012
High School Diploma in Mathematics and Computer Science
Armenak Armenakyan Hight School - Yerevan
Certifications
SEPTEMBER 2021 - PRESENT
Certified Technical Interviewer
EPAM Systems
Skills
Libraries/APIs
React, Vue, REST APIs, Node.js, RxJS
Tools
Git, GitHub, Notion, Slack, Jira, Zoom, ChatGPT, Jenkins, Figma
Frameworks
Redux, Material UI, React Native, Jest, Bootstrap, Next.js, Tailwind CSS, NestJS, Angular, Cypress
Languages
HTML, CSS, JavaScript, SCSS, TypeScript, HTML5, Sass, SQL
Storage
MySQL, PostgreSQL
Paradigms
Scrum, Functional Programming, Design Patterns, Unit Testing, Agile, Object-oriented Programming (OOP)
Platforms
Firebase, Heroku
Other
Front-end Architecture, Web Applications, Web Development, Estimations, Charts, Front-end Development, Storybook, UI Components, OneTrust, PDF, Front-end, Private NPM Modules, Leadership, APIs, IT Project Management, ESLint, GitHub Actions, Chrome Extensions, Architecture, OpenAI GPT-3 API, Tailwind UI, User Interface (UI), User Experience (UX), Full-stack Development, Full-stack, Team Leadership, User Workflows, Navigation
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