Alexander is available for hire
Hire AlexanderAlexander Nosov
Verified Expert in Engineering
Software Developer
Frankfurt, Hesse, Germany
Toptal member since January 5, 2021
Bio
Alexander is a seasoned product-focused software engineer with more than ten years of software development experience. For the last 7+ years, he has focused on building complex, high-performance front-end JavaScript and React applications and leading development teams. Alexander has a good eye for UI/UX and a product mindset.
Portfolio
Mobius Labs
React, TypeScript, Material UI, JavaScript, Python, Flask, PostgreSQL
Madhat GmbH
React
Kairion
JavaScript 6, MongoDB, Redux Form, React Final Form, Express.js, Node.js...
Experience
- JavaScript - 10 years
- HTML - 10 years
- CSS - 10 years
- REST APIs - 8 years
- React - 6 years
- GraphQL - 3 years
- Node.js - 3 years
- TypeScript - 2 years
Availability
Part-time
Preferred Environment
Sketch, Figma, Jira, Git, MacOS, Linux, Visual Studio Code (VS Code), WebStorm
The most amazing...
...system I've built is an advertisement management platform that helped reduce ad campaign creation time from three days to just two hours.
Work Experience
Full-stack Developer
2021 - 2022
Mobius Labs
- Developed a web application that provides a possibility to work with machine learning SDK.
- Successfully migrated the project from JavaScript to TypeScript.
- Developed a component library for a design system.
Technologies: React, TypeScript, Material UI, JavaScript, Python, Flask, PostgreSQL
Senior full-stack developer
2020 - 2021
Madhat GmbH
- Developed a platform to host online events.
- Developed an admin UI for managing online events.
- Developed a system for real-time timers managed by the back end that send signals to all connected clients so that they are not dependent on the browser time settings or a time zone. Wrote integrational tests.
Technologies: React
Lead Front-end Developer
2015 - 2020
Kairion
- Developed a complex front-end application for an advertisement management platform using React.
- Hired, trained, and managed a team of junior and mid-level front-end developers.
- Designed REST and GraphQL API, together with other team members.
- Migrated from Redux to React local state and from REST to GraphQL.
- Planned and managed software releases and controlled product quality together with the QA team.
- Developed reusable React components library to be used by the team.
- Designed the UI/UX wireframes according to business requirements.
Technologies: JavaScript 6, MongoDB, Redux Form, React Final Form, Express.js, Node.js, Webpack, REST APIs, React Apollo, Redux, TypeScript, GraphQL, JavaScript, React
Senior Full-stack Developer
2015 - 2016
Motoparking Club
- Developed a web app that helps bikers find parking for their motorcycles.
- Built the back end and front end for this application.
- Designed a web application and developed UI/UX wireframes.
Technologies: JavaScript 6, Heroku, MongoDB, Flask, Python, ECMAScript (ES6), jQuery, Webpack, Flux, React, JavaScript
Full-stack Developer
2013 - 2014
Luka, Inc.
- Developed an application that recommends restaurants and makes reservations in a chat interface.
- Created an admin panel where admins can control and tune the recommendation algorithm.
- Migrated the front end of the admin panel from Angular to React.
Technologies: MongoDB, Python, Scala, JavaScript 6, ECMAScript (ES6), jQuery, Webpack, Angular, React, JavaScript
Back-end Developer
2012 - 2013
Vospitanie Robota
- Developed the back end for an educational mobile application.
- Wrote code based on the company's and client's requests.
- Designed the REST API following the client's specifications.
Technologies: JavaScript, NGINX, PostgreSQL, MongoDB, Flask, Python
Software Engineer
2010 - 2011
Innova
- Developed the back end for the application that provides online cinema service. This application was one of the first online cinemas in the country.
- Tracked and fixed bugs found by the quality assurance team.
- Improved the system quality by identifying issues and common patterns.
Technologies: ZeroMQ, Memcached, NGINX, Sphinx Search Engine, PostgreSQL, Tornado, Django, Python
Software Engineer
2007 - 2010
SHL Russia
- Developed a platform for online assessment called SHL tools that helps companies measure their employees' skills using different tests and questionnaires.
- Developed a 360-degree feedback tool that allows companies to gather feedback about employees.
- Built a web application for the online screening of job applicants.
Technologies: CSS, HTML, JavaScript, PHP, RabbitMQ, NGINX, MySQL, Django, Python
Full-stack Developer
2006 - 2009
Career Press
- Developed a network of eCommerce and content web sites.
- Expanded the integration with payment gateways and delivery companies.
- Developed custom modules and checkout solutions for Drupal CMS.
Technologies: PHP, jQuery, JavaScript, NGINX, Apache, Sphinx Search Engine, MySQL, Django, Python
Experience
Advertisement Management Platform for Kairion
https://kairion.de/I developed the front end for an advertisement management system where the operations department and external users can set up and optimize advertisement campaigns. Using this solution, new campaigns can be set up in two to three hours instead of 2-3 days, the time needed when using the previous system.
Web Application for Motoparking Club
https://github.com/nosovsh/motoparkingA web application that helps bikers find parking for their motorcycles. I collected requirements, developed design and wireframes, and developed the back end and front end optimized for mobile usage as a native app would be.
This project's source code was later published to the public and used by many developers as an example of a high-quality React application.
This project's source code was later published to the public and used by many developers as an example of a high-quality React application.
Recommendation Application for Luka
An application that recommends restaurants and books places to eat in a chat interface. The company was later successfully enrolled in a Y Combinator (YC) startup incubator. Together with other developers, I developed a recommendation system and management UI for tuning this algorithm. This UI was later migrated from Angular to React.
SHL Tools
Built a platform for online assessment of employees. It helps companies to measure their employees' skills using different tests and questionnaires. Used by the Russian branches of top multinational companies. I developed the platform using Python, MySQL, and Django framework.
Admin UI for Computer Vision Application
https://ct.mobiuslabs.com/A web application that helps companies to have easy and understandable access to machine learning algorithms. Clients can train and customize ML models, train them, and predict and analyze data. I've participated as a full-stack developer.
Education
2008 - 2010
Master's Degree in Software Project Management
Higher School of Economics - Moscow, Russia
2004 - 2008
Bachelor's Degree in Business Informatics
Higher School of Economics - Moscow, Russia
Skills
Libraries/APIs
React, React Final Form, REST APIs, Node.js, jQuery, Redux Form, ZeroMQ
Tools
Webpack, React Apollo, Figma, Sketch, NGINX, RabbitMQ, Apache, WebStorm, Git, Jira
Languages
JavaScript, HTML, CSS, TypeScript, GraphQL, Python, JavaScript 6, ECMAScript (ES6), Scala, PHP
Frameworks
Redux, Material UI, Swagger, Django, Jest, Express.js, Flux, Flask, Angular
Storage
MySQL, MongoDB, PostgreSQL, Sphinx Search Engine, Memcached
Paradigms
REST
Platforms
Linux, Docker, Heroku, MacOS, Visual Studio Code (VS Code)
Other
CSS-in-JS, Full-stack, User Experience (UX), Software Development, Software Development Management, Software Project Management, Tornado, Apollo, Flux Architecture, Front-end
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