Zaur Mahmudov, Developer in Budapest, Hungary
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Zaur Mahmudov

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...
Leneo
Next.js, React, JSX, HTML, CSS, Redux, Sass, Git, Modular CSS, JavaScript...
Amplio Automatika Kft
React, PHP, Node.js, Next.js, CSS, Modular CSS, Git, Azure, Sass, JavaScript...

Experience

  • CSS - 9 years
  • HTML - 9 years
  • TypeScript - 8 years
  • Git - 8 years
  • React - 8 years
  • Redux - 7 years
  • Sass - 6 years
  • Next.js - 5 years

Preferred Environment

MacOS, Visual Studio Code (VS Code), Slack, Azure

The most amazing...

...project I've built is a back-office system for a hardware company, allowing admins to manage invoicing, warehouse tasks, and real-time client chats.

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), Tailwind UI, Server-side Rendering (SSR), Application State Management, React Router, User Experience (UX)

Lead Front-end Engineer

2021 - 2023
Leneo
  • Led the development of a fintech web application aimed at simplifying leasing processes for small and medium-sized businesses, aligning feature planning and prioritization with overarching business objectives and customer needs.
  • Partnered with cross-functional teams to ensure seamless integration of front-end components with back-end services, fostering efficient collaboration and synergy between different departments.
  • Leveraged cutting-edge development methodologies to accelerate timelines while maintaining a high-quality user experience, ensuring efficient project delivery without compromising on user satisfaction.
  • Instituted and enforced coding best practices and standards, resulting in a robust and maintainable codebase, promoting consistency and reliability across the development process.
  • Engaged in agile development cycles, including daily stand-ups and sprint planning, ensuring adherence to project timelines and achieving all milestones on time.
  • Spearheaded the design and development of dynamic user interfaces using React, enhancing user engagement and responsiveness, and contributing to the overall excellence of the UI/UX design.
Technologies: Next.js, React, JSX, HTML, CSS, Redux, Sass, Git, Modular CSS, JavaScript, TypeScript, SCSS, REST, Atomic Design, Styled-components, Figma, Jest, Front-end Development, Front-end, Tailwind CSS, HTML5, APIs, Tailwind UI, Server-side Rendering (SSR), Application State Management, React Router, User Experience (UX), Leadership, CSS Animations

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), Tailwind UI, Server-side Rendering (SSR), Application State Management, React Router, Atomic Design, User Experience (UX), CSS Animations

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), Application State Management, User Experience (UX)

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), Application State Management, User Experience (UX)

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), User Experience (UX)

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

Uniwasy – International Students Portal

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

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

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, React Router, 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, Server-side Rendering (SSR), Application State Management, User Experience (UX), Styled-components, Tailwind UI, Atomic Design, Google Ad Manager, Advertising Technology (Adtech), Google Publisher Tag (GPT), Leadership, CSS Animations

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