Harman Kamboj, Developer in Patiala, Punjab, India
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Harman Kamboj

Verified Expert  in Engineering

Full-stack Developer

Location
Patiala, Punjab, India
Toptal Member Since
August 25, 2021

Harman is a highly efficient developer specializing in building professional full-stack web applications and managing all aspects of the development process. He is passionate about expanding his knowledge of web technologies and building scalable, high-quality software. Harman's primary tech stack includes TypeScript, Node.js, React, GraphQL, Redux, Svelte, and cloud services.

Portfolio

Freelance
TypeScript, Sass, HTML5, React, Flutter, Laravel, PHP, Tailwind CSS, HTML, CSS3...
InnovateTech Solutions
React, JavaScript, Data Scraping, Node.js, Python, Design, Single Sign-on (SSO)...
Defi Innovations Inc
JavaScript, Svelte, CSS, Tailwind CSS, Web3.js, Single-page Applications (SPA)...

Experience

Availability

Full-time

Preferred Environment

Node.js, React, TypeScript, Redux, Third-party APIs, GraphQL, PostgreSQL, MongoDB, Laravel, PHP

The most amazing...

...thing I've developed is an AI games app used by over one million people that involved working with LLMs, highly integrated analytics, and API authorization.

Work Experience

Senior Full-stack Developer | Designer

2020 - PRESENT
Freelance
  • Developed an anti-theft application that lets users keep track of their phones, remotely call them, and store media in the cloud for safekeeping.
  • Built and maintained RESTful APIs that support cloud messaging, file transfers, and different authentication techniques.
  • Refactored the logic using business logic components to support further faster development times and easier debugging of the codebase.
  • Created a web-based admin panel to track devices, transfer files, and ring devices remotely.
  • Developed a web-based super admin panel to manage users and subscriptions and track usage statistics.
Technologies: TypeScript, Sass, HTML5, React, Flutter, Laravel, PHP, Tailwind CSS, HTML, CSS3, Front-end, Team Leadership, Remote Team Leadership, Leadership, Technical Leadership, Dart, Firebase, SQL, ECMAScript (ES6), Next.js, DevOps, Unity3D, Android, Solidity, Web3, Python, Flask, APIs, Generative Pre-trained Transformers (GPT), OpenAI GPT-4 API, Back-end Development, Amazon Web Services (AWS), Mobile Apps, Full-stack, Material UI, Jest, Vanilla JS, Unit Testing, REST APIs, Back-end, Ruby on Rails (RoR), Bootstrap 5, User Interface (UI), User Experience (UX), Cypress, Storybook, Integration, Front-end Development, REST, Docker, Webpack, Babel, API Integration, GitHub, React Native, Mobile Development, Expo, Git, WordPress, Instagram API, Front-end Design, iOS, Apollo, Technical Consulting, Technical Architecture, React Router, Axios, Minimum Viable Product (MVP), Webflow, Scalable Application, Product Management, Design, Single Sign-on (SSO), Google Sign-in, Server-side Rendering (SSR), Full-stack Development, Software Architecture, Databases, Azure, GPT, Artificial Intelligence (AI), FlutterFlow, CI/CD Pipelines, PostgreSQL

Full-stack Developer

2022 - 2023
InnovateTech Solutions
  • Managed a 15+ member team, guiding projects and ensuring milestones. Played a key role in ideation and acted as a lead developer across projects.
  • Led the development of a YouTube scraper and dashboard that visualized changes in views, comments, and more over time, enhancing data-driven decision-making.
  • Created a Sass AGI platform enabling AI bots to collaborate on tasks and a gamified chat app with AI-driven interactions, elevating user engagement.
  • Developed expertise in custom AI models and OpenAI APIs, expanding my AI-driven capabilities.
  • Increased user engagement by 30% by implementing AI-driven interactions in the gamified chat app.
  • Achieved a 20% reduction in data gathering time with the YouTube scraper and analytical dashboard.
  • Improved data accuracy by 25% through advanced data scraping techniques.
Technologies: React, JavaScript, Data Scraping, Node.js, Python, Design, Single Sign-on (SSO), Google Sign-in, Server-side Rendering (SSR), Full-stack Development, Software Architecture, Databases, Azure, GPT, Artificial Intelligence (AI), FlutterFlow, CI/CD Pipelines, PostgreSQL

Svelte Expert

2022 - 2022
Defi Innovations Inc
  • Brought to life a high-performance decentralized exchange that bolstered the growth of the decentralized finance (DeFi) landscape, catalyzing industry advancements.
  • Showcased mastery in Svelte, propelling front-end development and elevating the platform's user experience to new heights.
  • Acquired practical proficiency in GraphQL and The Graph, optimizing API development and augmenting the exchange's data processing capabilities.
  • Achieved a 20% increase in user engagement and a 15% decrease in bounce rates after implementing UI/UX improvements.
  • Reduced page load times by 30% through JavaScript optimization techniques.
Technologies: JavaScript, Svelte, CSS, Tailwind CSS, Web3.js, Single-page Applications (SPA), Crypto, Stock Exchange, Design, Single Sign-on (SSO), Google Sign-in, Server-side Rendering (SSR), Full-stack Development, Software Architecture, Databases, GPT, CI/CD Pipelines, PostgreSQL

React-based Front-end Developer

2021 - 2022
TechSolutions Australia
  • Collaborated closely with clients, facilitating the creation of a user-friendly platform tailored to their specific needs.
  • Mastered front-end technologies and best practices, adopting atomic design principles to ensure scalability and robustness.
  • Demonstrated proficiency in Storybook, a pivotal tool for efficiently managing UI components and ensuring consistency across the platform.
  • Achieved a 30% reduction in website loading time through optimization techniques, improving user satisfaction.
  • Increased user engagement by 20% through responsive design principles and enhanced UI/UX.
  • Launched the revamped website ahead of schedule, resulting in a 15% boost in online traffic within the first month.
Technologies: React, JavaScript, CSS, Tailwind CSS, Design, Single Sign-on (SSO), Google Sign-in, Full-stack Development, Software Architecture, Databases, GPT, CI/CD Pipelines, PostgreSQL

Back-end Developer | Expert Node.js Developer

2021 - 2021
Trendset Holdings
  • Exceeded client expectations, facilitating a successful collaboration with an enterprise-scale client and delivering on project objectives.
  • Demonstrated adaptability by making substantial contributions to both front-end (React) and back-end (Node.js, TypeScript, and TypeORM) domains.
  • Cultivated expertise in Docker and Kubernetes, advancing proficiency in DevOps practices and the creation of scalable, resilient systems.
  • Leveraged Stripe integration to optimize payment operations, augmenting user satisfaction through enhanced transaction experiences.
Technologies: Node.js, React, TypeScript, Single Sign-on (SSO), Google Sign-in, Full-stack Development, Software Architecture, Databases, GPT, CI/CD Pipelines, PostgreSQL

Senior Full-stack Developer

2020 - 2021
Koji
  • Initiated, documented, and maintained the main workflow for the svelte starter template.
  • Created, tested, and shipped a GIPHY plugin for the platform.
  • Developed a SoundCloud plugin to browse, filter, and save common creative sounds to be used on the platform.
  • Designed, developed, and maintained a gradient plugin to browse and filter through a selection of hand-picked gradients with patterns and the ability to customize and use them on the platform.
  • Spearheaded, documented, and maintained the main workflow for the TypeScript starter template and support for an Express.js back end.
Technologies: JavaScript, TypeScript, React, Node.js, Svelte, CSS, HTML, CSS3, Front-end, Leadership, Team Leadership, Remote Team Leadership, Technical Leadership, Architecture, Dart, Firebase, SQL, Web Audio, ECMAScript (ES6), DevOps, Unity3D, Android, Flask, APIs, Back-end Development, Amazon Web Services (AWS), Mobile Apps, Full-stack, Material UI, Jest, Vanilla JS, Unit Testing, REST APIs, Back-end, Bootstrap 5, User Interface (UI), User Experience (UX), Cypress, Storybook, Integration, Front-end Development, REST, Docker, Webpack, Babel, API Integration, GitHub, React Native, Mobile Development, Expo, Git, Front-end Design, Apollo, Technical Consulting, Technical Architecture, React Router, Axios, Minimum Viable Product (MVP), Scalable Application, Product Management, Single Sign-on (SSO), Google Sign-in, Full-stack Development, Software Architecture, Databases, GPT, CI/CD Pipelines, PostgreSQL

QA Developer

2020 - 2020
Gometa
  • Assured the quality and usability of community-submitted web games and applications.
  • Designed a checklist to assist with the QA process—resulting in improved efficiency.
  • Spearheaded and maintained guidelines to provide better feedback to the developers, which resulted in smoother submission experiences.
  • Communicated and managed a sub-team of developers, which included assisting them with their development.
  • Shipped and monitored developer applications through different release stages.
Technologies: TypeScript, JavaScript, CSS, Sass, React, Svelte, Node.js, Express.js, P5.js, Godot, Unity, HTML, CSS3, Front-end, Leadership, Team Leadership, Remote Team Leadership, Technical Leadership, Architecture, Dart, Firebase, SQL, Web Audio, ECMAScript (ES6), Google Cloud Platform (GCP), CI/CD Pipelines, Site Reliability Engineering (SRE), Unity3D, Android, Python, APIs, Back-end Development, Amazon Web Services (AWS), Material UI, Jest, Vanilla JS, Unit Testing, REST APIs, Back-end, Bootstrap 5, User Interface (UI), User Experience (UX), Storybook, Integration, Front-end Development, REST, Docker, Webpack, Babel, API Integration, GitHub, React Native, Mobile Development, Expo, Git, Front-end Design, Apollo, Technical Consulting, Technical Architecture, React Router, Axios, Minimum Viable Product (MVP), Scalable Application, Product Management, Single Sign-on (SSO), Google Sign-in, Full-stack Development, Software Architecture, Databases, PostgreSQL

Senior Full-stack Developer | Team Lead

2016 - 2018
AfterTutor Ventures Pvt. Ltd.
  • Developed and designed websites for local businesses.
  • Spearheaded, designed, planned, and developed an eCommerce for an online print-on-demand service.
  • Tested, maintained, and deployed modern applications through different stages of development.
  • Maintained healthy communications with the client and assured that the guidelines were met.
  • Reworked a biometric attendance system for a company with over 5,000 employees by implementing a web panel to help keep track of employee shifts and overtime.
Technologies: TypeScript, JavaScript, React, Laravel, Svelte, Node.js, Serverless, HTML, CSS3, Front-end, Leadership, Team Leadership, Remote Team Leadership, Technical Leadership, Architecture, SQL, NoSQL, Web Audio, ECMAScript (ES6), Android, Python, Flask, APIs, Back-end Development, Material UI, Jest, Vanilla JS, REST APIs, Back-end, Bootstrap 5, User Interface (UI), User Experience (UX), Integration, Front-end Development, REST, Webpack, Babel, API Integration, GitHub, React Native, Mobile Development, Expo, Git, Front-end Design, Technical Consulting, Technical Architecture, Axios, Minimum Viable Product (MVP), Scalable Application, Product Management, Single Sign-on (SSO), Google Sign-in, Full-stack Development, Software Architecture, Databases, PostgreSQL

Anti-theft Application

An application that lets users keep track of their phones, remotely call them, and store media in the cloud for safekeeping.

I built the app including an admin panel to browse location history and access stored media from a remote device.

Smart School ERP Solution

A web-based ERP solution for smart schools to help manage their finances, attendance, fee structure, curriculum, and library. It also has a robust web panel that also works as a CMS for their front-facing website.

Driving Educational Application

Nita and Brothers is an educational application for people aiming to apply for a driving license in Italy. It supports multiple languages, video and audio lessons, and has a paid subscription model for premium users.

Analytics and Data Scraping Platform

The analytics and data scraping platform catered to businesses and data analysts seeking actionable insights from web data.

- Built a YouTube Scraper & Analytical Dashboard, enabling users to visualize changes in views, comments, and more over time.
- Created a SaSS AGI Platform that allowed AI bots to collaborate on tasks, enhancing user engagement.
- Contributed to captivating Roblox games and developed a location-sharing app for families to improve connectivity.
- Trained custom AI models for an internal animation pipeline, streamlining image creation.

- Led a 15+ member team in project management, resulting in on-time delivery of milestones.
- Increased user engagement by 30% through the implementation of AI-driven interactions in the gamified chat app.
- Achieved a 20% reduction in data gathering time with the YouTube Scraper & Analytical Dashboard.
- Improved data accuracy by 25% through the utilization of advanced data scraping techniques.
- Expanded the user base by 40% with the introduction of the SaSS AGI Platform.

DeFiPro

- Developed and maintained the Svelte-based front-end of DeFiPro, ensuring optimal user experience and responsiveness.
- Collaborated closely with the backend development team to integrate the front-end with the existing infrastructure and APIs.
- Implemented custom ERC-20 token support, allowing users to trade a wide range of digital assets on our platform.
- Built a GraphQL API over The Graph, enabling real-time data retrieval from the Ethereum blockchain.
- Created a polished and modern UI using Tailwind CSS for efficient and consistent styling.
- Optimized front-end performance resulting in faster load times and smoother interactions.
- Contributed to the development of single-page applications, enhancing user engagement and navigation.
- Successfully delivered the DeFiPro front-end within the specified timeframe, aligning with the beta release schedule.
- Achieved a 20% increase in user engagement and a 15% decrease in bounce rates after implementing UI/UX improvements.
- Reduced page load times by 30% through JavaScript optimization techniques.
- Implemented a GraphQL API leading to a 25% reduction in data retrieval latency, enhancing real-time market data accuracy.

Website Migration and Design System Integration

Worked on a project to modernize TechSolutions Australia's website by migrating from WordPress to a cutting-edge tech stack.
- Converted Figma components into Storybook components using React and TailwindCSS.
- Built dynamic and visually appealing page layouts using Storybook components and TailwindCSS.
- Collaborated with the team to seamlessly integrate data into the newly designed components, ensuring a responsive and user-friendly website.

Architected the migration from WordPress to a modern tech stack, resulting in a more efficient and visually appealing website.
- Seamlessly integrated the design system, ensuring a consistent and aesthetically pleasing user experience.
- Collaborated with cross-functional teams to enhance data integration, improving functionality and user engagement.

Achieved a 30% reduction in website loading time through optimization techniques, improving user satisfaction.
- Increased user engagement by 20% through responsive design principles and enhanced UI/UX.
- Successfully launched the revamped website ahead of schedule, resulting in a 15% boost in online traffic within the first month.

OpenSpeaker

Worked on an enterprise project using Node.js, TypeScript, TypeORM, Docker, and Kubernetes.
- Crafted robust and performant server-side solutions using Node.js and backend technologies.
- Contributed to React.js-based frontend development tasks.
- Implemented secure payment processing using Stripe.
- Implemented Docker and Kubernetes-based containerization and orchestration strategies.
- Exceeded client expectations and delivered on project objectives.
- Made substantial contributions to both frontend and backend domains.
- Cultivated expertise in Docker and Kubernetes.
- Optimized payment operations using Stripe integration.

Languages

JavaScript, CSS, Sass, PHP, TypeScript, SQL, HTML5, ECMAScript (ES6), HTML, CSS3, GraphQL, Dart, Solidity, Python

Frameworks

Laravel, Svelte, Express.js, Redux, Flutter, Unity, Next.js, Unity3D, Vanilla JS, React Native, Bootstrap, Tailwind CSS, Flask, Material UI, Jest, Ruby on Rails (RoR), Cypress

Libraries/APIs

React, Node.js, Web Audio, REST APIs, React Router, P5.js, Instagram API, jQuery, Web3.js

Tools

Git, GitHub, Webpack, Babel, Expo

Paradigms

REST, Mobile Development, Scalable Application, DevOps, Unit Testing

Platforms

Godot, Firebase, Google Cloud Platform (GCP), Android, Amazon Web Services (AWS), Docker, WordPress, iOS, Webflow, Azure, FlutterFlow

Storage

NoSQL, PostgreSQL, MongoDB, MySQL, Databases

Other

Third-party APIs, Front-end, Leadership, Architecture, CI/CD Pipelines, APIs, Back-end Development, Full-stack, Back-end, Bootstrap 5, User Interface (UI), User Experience (UX), Integration, Front-end Development, API Integration, Front-end Design, Technical Consulting, Technical Architecture, Axios, Minimum Viable Product (MVP), Product Management, Design, Single Sign-on (SSO), Google Sign-in, Full-stack Development, Software Architecture, GPT, Serverless, Apollo Server, Technical Leadership, Web3, Generative Pre-trained Transformers (GPT), OpenAI GPT-4 API, Mobile Apps, Storybook, Apollo, Server-side Rendering (SSR), Artificial Intelligence (AI), Team Leadership, Remote Team Leadership, Site Reliability Engineering (SRE), Data Scraping, Single-page Applications (SPA), Crypto, Stock Exchange

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