Zaur is available for hire
Hire ZaurZaur Mahmudov
Verified Expert in Engineering
Software Developer
Budapest, Hungary
Toptal member since March 8, 2022
Bio
Zaur is a results-oriented and innovative senior software engineer with seven years of experience. He started his career with PHP and JavaScript back in 2016 and quickly fell in love with development. He has been improving his skills and taking on new challenges ever since. Zaur loves working on exciting projects, is great at teamwork, and feels comfortable working independently.
Portfolio
Chegg - Main
JavaScript, TypeScript, GraphQL, React, Prebid.js, Google Ad Manager...
Amplio Automatika Kft
React, PHP, Node.js, Next.js, CSS, Modular CSS, Git, Azure, Sass, JavaScript...
Sayt.az
React, PHP, Redux, SQL, Laravel, Next.js, Node.js, Express.js, CSS, Modular CSS...
Experience
- CSS - 9 years
- HTML - 9 years
- JSX - 8 years
- Git - 8 years
- React - 8 years
- Redux - 7 years
- Sass - 6 years
- Next.js - 5 years
Availability
Full-time
Preferred Environment
MacOS, Visual Studio Code (VS Code), Slack, Azure
The most amazing...
...project I've ever built is the back office of a hardware company where admins can manage everything from invoicing to warehouse and real-time chat with clients.
Work Experience
Full-stack Engineer
2022 - 2025
Chegg - Main
- Maintained and enhanced high-traffic projects used by millions of Chegg users daily, implementing feature improvements that boosted platform performance, scalability, and user satisfaction.
- Led a team of three engineers as a manager, streamlining workflows, mentoring team members, and delivering complex projects on schedule while fostering a collaborative and productive work environment.
- Developed and deployed innovative features that drove significant user engagement and retention, leveraging cutting-edge technologies to meet evolving user needs and industry standards.
- Built and shipped new features in production using React and Next.js, enhancing user experience and engagement.
- Developed and optimized server-side rendering (SSR) and static site generation (SSG) in Next.js, improving SEO and reducing load times for millions of users.
- Led A/B testing experiments on new UI components and features, analyzing user behavior and iterating based on data-driven insights.
- Deployed features to production on a regular basis, working with CI/CD pipelines to ensure smooth rollouts and fast iteration cycles.
- Collaborated closely with back-end teams to design API contracts and optimize data fetching strategies using Next.js API routes and middleware.
Technologies: JavaScript, TypeScript, GraphQL, React, Prebid.js, Google Ad Manager, Advertising Technology (Adtech), Google Publisher Tag (GPT), Python, CSS, HTML5, Next.js, AWS HA, Azure, Express.js, Front-end, GitHub, Node.js, JSX, HTML, Redux, Git, REST, Styled-components, Figma, Cypress, Jest, Front-end Development, Tailwind CSS, APIs, Search Engine Optimization (SEO)
Senior Software Engineer
2019 - 2022
Amplio Automatika Kft
- Built the application architecture on TypeScript, React, and Redux.
- Developed a custom reusable component, which made development more consistent and quicker.
- Created an administration panel that handles everything from real-time chatting to bookkeeping, invoicing, and warehouse management.
- Built a REST API and socket services based on PHP and Node.js.
- Reviewed teammates' push requests, pointed out weak spots, and improved overall code quality.
- Worked in sprints using Azure services, tracking bugs and solving them.
- Taught React and other cutting-edge technologies to juniors, indirectly contributing to the company's success.
Technologies: React, PHP, Node.js, Next.js, CSS, Modular CSS, Git, Azure, Sass, JavaScript, TypeScript, GitHub, JSX, HTML, Redux, Express.js, SCSS, REST, Styled-components, Figma, Cypress, Jest, Front-end, Front-end Development, Tailwind CSS, Python, HTML5, APIs, Search Engine Optimization (SEO)
Senior Software Developer
2019 - 2019
Sayt.az
- Built React and Next.js-based front-end applications for hospitals and many businesses.
- Created a React-based web application for hospital reservations, patients' online illness cards, and the patients' user panel with more than 2,000 users on a daily basis.
- Designed REST API services for medium to large space projects.
- Performed R&D for libraries and ways to enhance our codebase.
- Built databases and table structures for medium and large-scale web applications.
Technologies: React, PHP, Redux, SQL, Laravel, Next.js, Node.js, Express.js, CSS, Modular CSS, Git, JavaScript, TypeScript, JSX, HTML, Sass, SCSS, REST, Styled-components, Figma, Cypress, Jest, Front-end, Front-end Development, Tailwind CSS, Python, HTML5, GitHub, APIs, Search Engine Optimization (SEO)
Software Developer
2018 - 2019
Gladiators Agency
- Maintained existing applications and designed and delivered new applications with React and Laravel.
- Designed the back office and a REST API with PHP and Node.js.
- Identified and suggested new technologies and tools for enhancing product value and increasing team productivity.
- Tested websites and performed troubleshooting before deployment.
Technologies: CSS, HTML, PHP, React, Laravel, Git, Express.js, Node.js, JavaScript, TypeScript, JSX, Next.js, Sass, SCSS, REST, Styled-components, Figma, Front-end, Front-end Development, Tailwind CSS, HTML5, GitHub, APIs, Search Engine Optimization (SEO)
Junior Web Developer
2016 - 2018
Crocusoft
- Reworked a government site completely using our custom PHP framework.
- Created a few eCommerce stores with Laravel, JavaScript, and TypeScript.
- Coordinated with project management staff on database development timelines and the project scope.
Technologies: JavaScript, TypeScript, PHP, HTML, CSS, Express.js, Git, REST, Front-end, Front-end Development, Tailwind CSS, HTML5, GitHub, APIs, Search Engine Optimization (SEO)
Experience
My Sky Maps – Create Your Dream Star Map
MySkyMaps is a personal project. In a nutshell, users create and download a high-quality star map/sky map in PDF format (A3, A4, A5) that calculates and displays the exact star positioning from a given date and location. The website supports multilanguage, authentication, payment methods, and complex routing.
Amplio Admin Panel
Amplio Automatika KFT has an admin panel where we built the following functionalities:
• Sending, tracking, and receiving invoices
• An entire warehouse management system
• Real-time chat between colleagues and real-time notifications
• HR management and crew enrolling
• Bookkeeping and accounting
• Sending, tracking, and receiving invoices
• An entire warehouse management system
• Real-time chat between colleagues and real-time notifications
• HR management and crew enrolling
• Bookkeeping and accounting
Uniwasy – International Students Portal
https://uniwasy.com/Uniwasy is a platform where students can submit their application to top universities with a few clicks. There are three types of users: students who can filter and apply to universities, university admins who add their info to the platform and proceed with applications, and marketing agencies that can earn money in the system by connecting students to universities.
Some of the features include:
• Real-time chat between every kind of customers
• Subscription-based billing for universities to use uniwasy.com
Some of the features include:
• Real-time chat between every kind of customers
• Subscription-based billing for universities to use uniwasy.com
WED – All About Wedding
WED.az is the only platform where users can find everything needed for their weddings, such as the venue, hotels, clothes, photographers, and many more. Different entities can register their services or assets to be used or rented on the platform.
World Net Summit
World Net Summit is an event with the summit's primary purpose: networking. The website allows registering as a speaker or participant, becoming a sponsor, and purchasing event tickets. On top of it, admins have the functionality to retrieve invoices from the back end for bookkeeping purposes.
HTML to Markdown Converter – Built with Next.js
https://htmltomarkdown.vercel.app/A sleek one-page web app that converts raw HTML into clean, readable Markdown. Built using Next.js and styled for a dark, developer-friendly UI, this tool simplifies the process of transforming HTML DOM content—making it ideal for training large language models (LLMs), building chatbots, or structuring scraped data for machine learning tasks. Features include one-click paste/clean/copy actions and real-time conversion.
Skills
Libraries/APIs
React, Node.js, Prebid.js
Tools
JSX, Figma, Git, Slack, GitHub
Languages
PHP, HTML, CSS, Sass, JavaScript, SQL, TypeScript, SCSS, GraphQL, Python, HTML5
Frameworks
Redux, Laravel, Next.js, Express.js, Jest, Tailwind CSS, CodeIgniter, Cypress, AWS HA
Paradigms
Search Engine Optimization (SEO), Modular CSS, REST
Platforms
Azure
Other
Front-end, Front-end Development, APIs, Styled-components, Atomic Design, Google Ad Manager, Advertising Technology (Adtech), Google Publisher Tag (GPT), Tailwind UI
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