Dmytro is available for hire
Hire DmytroDmytro Snisarenko
Verified Expert in Engineering
Front-end Developer
Location
Amsterdam, Netherlands
Toptal Member Since
August 17, 2020
Dmytro is a front-end engineer with over thirteen years of web development experience and the author of multiple open source libraries. He developed a real-time fault-tolerant hybrid mobile application used by KLM mechanics at Schiphol airport to perform between-the-flight aircraft maintenance. He is a Stack Overflow enthusiast, a Certified Scrum Master, and AWS solutions architect. Dmytro is passionate about delivering products that are accessible, reliable, and offer a smooth user experience.
Portfolio
Vocably
Extensions, Amazon Web Services (AWS), PWA, Angular, Terraform, CI/CD Pipelines...
John Deere
Amazon Web Services (AWS), Terraform, Angular
DAZN
Bootstrap, JavaScript, Front-end, OAuth, HTML, CSS, Amazon Web Services (AWS)...
Experience
Availability
Part-time
Preferred Environment
Continuous Delivery (CD), Continuous Integration (CI), WebStorm, MacOS
The most amazing...
...product I've built is a job posting engine for one of the largest freelance marketplaces on the planet.
Work Experience
Founder, Software Engineer
2021 - PRESENT
Vocably
- Developed and published a Chrome Extension that lets users look up unfamiliar words.
- Created a progressive web application (PWA) that lets users learn the words they looked up with the extension.
- Built a back end that provides the necessary functionality for the extension and PWA.
Technologies: Extensions, Amazon Web Services (AWS), PWA, Angular, Terraform, CI/CD Pipelines, DevOps
Software Engineer
2021 - 2021
John Deere
- Developed a system that receives, stores, and processes operation metrics from different types of vehicles, mainly AWS, Terraform, DynamoDB, and Lambda.
- Built a sales tool that helps users track, analyze, and predict various machinery metrics, mainly Angular, OAuth, AWS, and Terraform.
- Developed a metric conversion algorithm and grammar.
Technologies: Amazon Web Services (AWS), Terraform, Angular
Front-end Engineer
2019 - 2021
DAZN
- Collaborated with principal engineers and stakeholders to facilitate multiple improvements speeding up the development and release process (DX team).
- Developed a user settings chapter of a highly loaded website.
- Built a number of development and business-support tools.
Technologies: Bootstrap, JavaScript, Front-end, OAuth, HTML, CSS, Amazon Web Services (AWS), Next.js, GraphQL, RxJS, MobX, Terraform, Node.js, Redux, React, TypeScript
Senior Front-end Developer
2017 - 2019
KLM Royal Dutch Airlines
- Developed and launched a fault-tolerant hybrid application used daily by over 300 KLM mechanics in Amsterdam, Schiphol airport.
- Achieved a clean record of critical issues for one year straight in a critical, high-expectation environment.
- Open-sourced a library, solving a common Ionic CORS problem with over a thousand weekly downloads in 2019.
Technologies: Front-end, CSS, HTML, Ionic, Jest, Redux, Angular, TypeScript
Senior Front-end Developer
2014 - 2017
Knab Hypotheek (Amsterdam)
- Developed a flexible registration process and 16 tools intended to gather detailed customer legal and financial data.
- Achieved a first-page rank score in Google Search results for the most popular keywords in a highly competitive area by applying performance and UX optimizations.
- Introduced and open-sourced a corporate style guide and component library as a result of collaboration with the design team.
- Introduced a test-driven development process with Karma and test automation with Protractor.
Technologies: Karma, Protractor, ECMAScript (ES6)
Senior Front-end Developer
2012 - 2014
A Large Freelance Marketplace (under NDA)
- Developed a job posting template engine that has been used by the high-traffic platform for several years.
- Introduced test-driven development (TDD) as a to-go approach for the entire company.
- Created many features that significantly optimized the project as the senior front-end developer for the job posting team.
Technologies: HTML, CSS, JavaScript
Experience
Settings Chapter of DAZN Website
https://www.dazn.com/myaccountI developed the settings chapter of a highly loaded sports streaming multi-regional website. Within the settings chapter, a user can manipulate subscriptions, set up payment methods, the language, region, and manage devices. I was the front-end engineer for the project and worked with the business analyst, back-end team, and testers developing with React, Mobx, ES6, Jest, and Selenium.
Mobile App for KLM Mechanics in Amsterdam Airport
This is a real-time fault-tolerant hybrid mobile application used by 330 KLM mechanics at Schiphol airport to perform between-the-flight aircraft maintenance. The application displays KLM's p-to-date fleet schedule and towing information. It helps team leaders to manage teams and provides the mechanics with an outline of the scope of work. I developed this app with Ionic, Angular, TypeScript, and OAuth.
Vocably
https://vocably.proVocably is a platform, both an extension and an app, that helps users to look up new words while surfing the web and study those words as flashcards on mobile.
As a founder and the only developer of Vocably, my tasks and responsibilities included:
• Developing the back end with AWS, GCP, Lambda, API Gateway, and Cognito.
• Developing the front-end and mobile experience (PWA) with Angular and Amplify
• Developing the Chrome Extension with Vanilla and Web Components.
• DevOps with CircleCI, Terraform, Node.js, Zx, and Bash.
• Testing with Jest, Cypress, and Endtest.io.
• Market analysis, product marketing, cost, and pricing analysis.
As a founder and the only developer of Vocably, my tasks and responsibilities included:
• Developing the back end with AWS, GCP, Lambda, API Gateway, and Cognito.
• Developing the front-end and mobile experience (PWA) with Angular and Amplify
• Developing the Chrome Extension with Vanilla and Web Components.
• DevOps with CircleCI, Terraform, Node.js, Zx, and Bash.
• Testing with Jest, Cypress, and Endtest.io.
• Market analysis, product marketing, cost, and pricing analysis.
Education
2002 - 2007
Master's Degree in Computer Science
Sevastopol National Technical University - Sevastopol, Ukraine
Certifications
JANUARY 2019 - JANUARY 2022
AWS Certified Solutions Architect - Associate
Amazon Web Services
APRIL 2018 - PRESENT
Professional Scrum Master I
Scrum.org
DECEMBER 2017 - PRESENT
React Nanodegree
Udacity
JANUARY 2011 - PRESENT
Zend Certified Engineer (PHP)
Zend
Skills
Libraries/APIs
React, Node.js, RxJS, MobX, Stripe
Tools
Karma, Webpack, Terraform, WebStorm
Frameworks
Redux, Angular, Jest, Ionic, Protractor, Next.js, Bootstrap
Languages
TypeScript, JavaScript, ECMAScript (ES6), CSS, HTML, GraphQL
Paradigms
Scrum, Unit Testing, E2E Testing, Agile, Continuous Integration (CI), Continuous Delivery (CD), DevOps
Platforms
Amazon Web Services (AWS)
Other
Front-end, Web Components, OAuth, Cloud Computing, Algorithms, Data Structures, Computer Networking, Extensions, PWA, CI/CD Pipelines, Progressive Web Applications (PWA), PayPal
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