Publication
Aurelia vs. Angular 2 — A Code Comparison
https://www.toptal.com/developers/angular-js/aurelia-vs-angular-2
Alexander is currently unavailable
Alexander Mikhalchenko
Verified Expert in Engineering
JavaScript Developer
Dubai, United Arab Emirates
Toptal member since November 27, 2016
Bio
Alexander is a real full-stack developer, and he's proven himself to be the guy who can swoop in to rescue a project. Alexander works exceptionally well with tight schedules and overnight prototyping, even though he prefers less extreme development.
Portfolio
Zaask
ELK (Elastic Stack), Next.js, Redux, React
Legion (via Toptal)
Angular
Tractionboard, Inc.
MongoDB, Elasticsearch, PHP, JavaScript
Experience
- JavaScript - 12 years
- AngularJS - 12 years
- React - 8 years
- Startups - 8 years
- Prototyping - 7 years
- TypeScript - 7 years
- AI-assisted Development - 1 year
Preferred Environment
Git, WebStorm, MacOS, Claude Code
The most amazing...
...thing I've done is re-architect a huge legacy database, reducing the average query time by 97%.
Work Experience
Consultant
2018 - 2019
Zaask
- Migrated from a legacy monolithic app to React.
- Measured and improved the performance of the ELK stack.
- Prototyped new features.
- Optimized pages for Google PageSpeed measurement tools.
- Implemented a custom i18n-based translation solution.
Technologies: ELK (Elastic Stack), Next.js, Redux, React
Freelance Front-end Developer
2017 - 2019
Legion (via Toptal)
- Successfully refactored and improved the existing legacy Angular dashboard.
- Fixed major architecture flaws in the project.
- Implemented a set of new features from scratch.
- Rewrote the legacy build process to Webpack.
- Mentored onsite developers.
Technologies: Angular
CTO
2016 - 2017
Tractionboard, Inc.
- Created a new Aurelia-based front end from scratch.
- Refactored and unit-tested a tracking system.
- Redesigned the database architecture and moved to Elasticsearch.
- Wrote Elasticsearch Groovy scripts.
- Performed big data processing and visualization.
- Worked on research and development (R&D).
Technologies: MongoDB, Elasticsearch, PHP, JavaScript
Senior Front-end Developer
2015 - 2017
Severex
- Prototyped an overnight project featured at the Dubai SmartCity Conference.
- Worked on front-end development (Aurelia).
- Created big data visualizations.
- Developed a reusable component kit.
- Performed research and development (R&D).
Technologies: Aurelia, JavaScript
Developer | Consultant
2014 - 2016
Athena Art
- Implemented WordPress customizations.
- Handled speed optimization (custom Redis-based caching).
- Implemented a RSS feed and website scraping.
- Consulted on the website architecture.
Technologies: WordPress, PHP
Full-stack Developer (Contractor)
2015 - 2015
DualLab
- Designed and built single-handedly a layer of Node.js REST API on top of a legacy SOAP API.
- Implemented test-driven development.
- Worked on an Angular-based front end.
- Developed the prototype of the web client instead of the legacy Qt client.
- Unit-tested and integration-tested with Nightmare.js.
- Performed research and development (R&D).
Technologies: Angular, Node.js, JavaScript
Full-stack Developer
2014 - 2015
StarOfService
- Implemented an AWS integration (SQS, S3 integration).
- Built and maintained single-handedly a primary search engine (TF-IDF based).
- Developed a RESTful API.
- Handled the data analysis and performed a Mixpanel integration.
Technologies: Redis, MySQL, JavaScript, PHP
Full-stack Developer Intern
2013 - 2014
ITransition
- Worked on courses and completed an internship.
- Developed with .NET MVC and Symfony.
Technologies: Symfony, PHP, .NET
Experience
Education
2017 - 2018
Master's Degree in Computer Science, Mathematics
Belarussian State University - Minsk, Belarus
2012 - 2017
Bachelor's Degree in Computer Science, Mathematics
Belarussian State University - Minsk, Belarus
2010 - 2012
Associate's Degree in Mathematics
Belarussian State University Lyceum - Minsk, Belarus
Skills
Libraries/APIs
React Redux, React, Node.js, jQuery, Facebook Ads API, Facebook API, X (formerly Twitter) API, D3.js, OpenCV
Tools
WebStorm, PhpStorm, Claude, RabbitMQ, NGINX, Apache, Redux Thunk, Git, ELK (Elastic Stack), Claude Code
Languages
SQL, Sass, CSS3, JavaScript, PHP, XHTML, TypeScript, GraphQL, Groovy, Python, Java, C++, Assembly
Frameworks
AngularJS, Express.js, Aurelia, React Native, Redux, Symfony 2, Bootstrap, Symfony, Angular, .NET, Next.js, Selenium
Paradigms
Kanban, Object-oriented Design (OOD), Scrum, Agile, Test-driven Development (TDD), Behavior-driven Development (BDD)
Platforms
Web, Mobile, Docker, MacOS, WordPress
Storage
InnoDB, Redis, MySQL, MongoDB, Elasticsearch, Amazon S3 (AWS S3)
Industry Expertise
Project Management
Other
Startups, Leadership, Single-page Applications (SPAs), R&D, Public Speaking, Prototyping, AI-assisted Development, Web3, Big Data, Tech Sales, Data Analysis, Mobile Web, OpenAI, Apollo, Machine Learning, Number Theory, Differential Equations, Algorithms, Calculus, Image Recognition, Computer Vision
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