Sunny is available for hire
Hire SunnySunny Chevli
Verified Expert in Engineering
MySQL Developer
Surat, Gujarat, India
Toptal member since December 17, 2021
Bio
Sunny has 16 years of experience working on web development and programming. His specialties in building web and mobile applications, websites, and web services lie in .NET technologies, PHP, JavaScript, React, React Native, AngularJS, and jQuery. Over the years, Sunny has accumulated expertise through finance and accounting, education, and healthcare projects, providing solutions for B2B, eCommerce, ERP, and teaching portals.
Portfolio
NovoEd - Main
Microservices, Microsoft Teams, Node.js, Azure, .NET Core, Microsoft Teams Bot...
Katilyst Inc
JavaScript, Microsoft Bot Framework, Azure, Microsoft Teams
Eitan Digital
React, Node.js, Artificial Intelligence (AI), GitHub, Scalability, TypeScript...
Experience
- JavaScript - 12 years
- HTML5 - 12 years
- MySQL - 12 years
- CSS - 12 years
- PHP - 8 years
- React - 6 years
- .NET Core - 4 years
- Next.js - 4 years
Work Experience
Microsoft Teams App Developer
2024 - PRESENT
NovoEd - Main
- Developed a robust Microsoft Teams ChatBot using .NET Core and Azure Bot Service, enhancing user interaction and accessibility for educational software notifications and course searches.
- Integrated features allowing users to like or reply to text and video notifications directly within the chat, improving user engagement and response rates.
- Deployed the ChatBot to Azure and successfully published it to Microsoft App Source, ensuring wide accessibility and seamless integration with Microsoft Teams.
- Created REST APIs to trigger notifications from the educational software, facilitating real-time updates and increased responsiveness to user actions.
- Collaborated with cross-functional teams to align the ChatBot functionalities with user needs and educational software requirements, driving a user-centric approach in development.
Technologies: Microservices, Microsoft Teams, Node.js, Azure, .NET Core, Microsoft Teams Bot, MySQL, JSON Web Tokens (JWT), Software Architecture
Consultant
2025 - 2026
Katilyst Inc
- Created a production-ready Microsoft Teams bot solution, implementing robust Node.js services and React-based interfaces to streamline collaboration and enhance user engagement.
- Integrated enterprise-grade features and compliance requirements, ensuring the bot met Microsoft’s technical and security standards for marketplace submission.
- Enabled successful publication of the bot on the Microsoft Store by coordinating with completing certification processes, expanding product reach to thousands of potential users.
Technologies: JavaScript, Microsoft Bot Framework, Azure, Microsoft Teams
Full-stack Node.js and React Developer
2025 - 2026
Eitan Digital
- Defined the application architecture and established scalable design patterns, ensuring maintainability and performance across both front-end (React) and back-end (Node.js) components.
- Collaborated with leadership to hire and onboard a product manager and designer, strengthening project execution and improving delivery timelines by aligning technical and creative workflows.
- Delivered end-to-end development solutions by integrating business requirements into production-ready features, accelerating project milestones, and enhancing user experience through optimized code practices.
Technologies: React, Node.js, Artificial Intelligence (AI), GitHub, Scalability, TypeScript, Tailwind CSS, Meta Ads, Google Ads, Data Pipelines, API Integration, PostgreSQL, TikTok Ads, LinkedIn Ads, Express.js, MongoDB, REST APIs
Front-end Developer
2025 - 2025
Edward Su
- Reviewed the existing client codebase and converted it to React based on Figma design.
- Learned concepts of blockchain and implemented swap and bridge functionality.
- Developed a feature to display transaction histories from the blockchain.
Technologies: JavaScript, CSS, React, HTML, Node.js, Next.js, Figma to React, Blockchain
Microsoft Teams Bot Integration Engineer
2025 - 2025
FleetWorks Technology Inc
- Developed and deployed a Microsoft Teams bot service designed to facilitate AI agent communication, enabling the delivery of transportation-related information to individual chats and group channels.
- Handled back-end API development for the Microsoft Teams Bot using Express.js, ensuring seamless data retrieval and integration.
- Implemented key interface modifications in Next.js, as part of the ongoing UI refinement efforts, improving usability and responsiveness while aligning with project requirements and user expectations.
- Engineered Apex classes for Salesforce endpoints, providing structured data access for AI agent interactions. Their development ensured efficient data transmission, supporting intelligent communication workflows.
Technologies: JavaScript, Microsoft Bot Framework, Azure Bot Framework, Microsoft Teams, TypeScript, Express.js, OAuth, Microsoft Graph API, CI/CD Pipelines, REST APIs, Node.js, Courier, Next.js, Salesforce, Supabase, PostgreSQL
Mobile and Web Application Developer (via Toptal)
2023 - 2025
DataHaven Solutions Inc
- Developed an HR job portal for the client, using React and .NET Core as a full-stack developer. The portal has role-based access and manages applicants, job descriptions, and job applications.
- Contributed to the job portal. The portal takes resume files in any format (image, document, PDF, etc.), renders data from the input files, and converts them to JSON format. Then, the data are stored in the database as the applicant's resume.
- Used Azure AI Document Intelligence service to extract data from resume files. Used the OpenAI GPT-4 API to convert extracted data to JSON format.
- Created a mobile application using React Native to upload resumes received via WhatsApp and email or photos taken by the camera. Also created APIs in .NET for mobile applications.
- Implemented JWT authentication for REST APIs. It is used for both web and mobile applications.
Technologies: React Native, ServiceNow, Cloud, Mobile Development, React, .NET Core, C#, Microsoft SQL Server, Azure, OpenAI, OpenAI GPT-4 API, APIs, Swagger, Tailwind CSS, Azure AI Document Intelligence, JSON Web Tokens (JWT), Software Architecture, Vite
Senior Front-end Developer
2024 - 2024
wearit-ai.com
- Developed an eCommerce website to generate custom outfits via AI and order them from the website.
- Converted all pages designed in Figma to a Next.js website and deployed to Vercel.
- Fixed all bugs reported by the QA team and improved the website.
Technologies: React, Next.js, NoSQL, Vercel, Figma, Figma to React
Software Architect (via Toptal)
2024 - 2024
Top Notch Freight Systems, LLC
- Studied requirement documents for the project and estimations given by the development team.
- Defined project milestones and created a timeframe for the project. Assisted the client with the tech stack of the project.
- Negotiated the final cost of the project with the development team on behalf of the client.
Technologies: Full-stack, Architecture, Amazon Web Services (AWS), JavaScript, React, Node.js, Python, Django
Full-stack Developer
2023 - 2023
Miricyl
- Reviewed the existing code of Next.js (front end) and NestJS (back end). Implemented JSON Web Token (JWT) authentications for the API in NestJS. Also added Swagger to expose API documentation to other developers.
- Developed the admin panel using React to manage users, categories, and questions (truth or dare game).
- Implemented new design screens from Figma to Next.js responsive front end. Also, established a connection between the back and front end to store and display data to the front end.
Technologies: Next.js, NestJS, React, MySQL, TypeORM, Chakra UI
Full-stack Developer | Senior Software Developer
2022 - 2023
MGR360, LLC
- Acquired a comprehensive understanding of the project details through knowledge transfer sessions with the previous developers via Microsoft Teams, which allowed me to fix existing issues on the portal effectively.
- Migrated the database from Azure Cosmos DB to Microsoft SQL Server and developed a stored procedure that can be called from .NET Core.
- Collaborated with the client to develop a new design and concept, implemented a new plan from Figma, and converted the design arrangements to HTML and CSS for seamless implementation.
- Handled the transition from Microsoft Entra ID (formerly Azure Active Directory) authentication to single sign-on (SSO) for a better user experience and explored a Graph API for efficient UI data retrieval.
- Added new features like a meeting scheduler, meeting agenda, and dashboard. Developed an independent admin panel for company users to manage applications.
- Built the myusermanual.co platform using Next.js. The platform allows users to register on the site, take a survey, and automatically generate a personalized user manual based on the responses.
- Created an admin panel for myusermanual.co, featuring reports and a dashboard for content updates and user management.
- Integrated myusermanual.co with Manager360 for the Microsoft Teams app to enable sharing user manuals with the team as a profile or user manual.
- Implemented a chatbot within the Microsoft Teams app that can send notifications to users with interactive messages so they can make updates directly in the chat without having to access the app separately.
- Learned the Python code for ChatGPT AI developed by another team that generated embeddings from PDFs to be used as AI knowledge. Implemented the code to pass live context from the Teams app to ChatGPT and integrated it with the Teams chatbot.
Technologies: .NET, React, Azure, Microsoft Teams, Azure DevOps, Microsoft, Web Development, API Documentation, Figma, API Integration, SQL, Chatbots, Next.js, ChatGPT, OpenAI GPT-4 API, Front-end, Python, React Redux
Mobile Application Developer
2022 - 2022
Innovative Fintech Company
- Started working with the existing codebase and implemented new design screens from Figma.
- Maintained an application by improving code and fixing bugs.
- Prepared the application for the App Store and Google Play Store upload.
- Implemented push notifications for the application using Firebase.
Technologies: React Native, React, Firebase, Figma, API Integration, Mobile Applications, React Redux
Senior Software Developer
2019 - 2021
Bloomsbury Tutors
- Built a company website from a given design in Photoshop using CakePHP and MySQL. Created the administration panel for managing tutors, students, and bookings.
- Created a React Native mobile application for the platform. Firebase was used to create real-time alerts and push notifications. Implemented SendBird for the chat feature of the application.
- Converted the PHP admin site to a React version by creating a REST API in CakePHP.
- Built a Next.js version for the company website with a good user interface. Implemented basic SEO for the site.
- Created a tutor panel using React and CakePHP that includes the functionality for tutors to manage their profile, availability, bookings, calendar, and communication with students via the chat feature.
- Developed a student panel using React and CakePHP that includes the functionality of students to manage their profile, search tutors, book a tutor, calendar, process payments, and communicate with tutors via the chat feature.
- Created reminders or alerts for booking by setting up cron jobs.
- Used monday.com to keep track of time, bugs, and new implementations.
Technologies: PHP, CakePHP, MySQL, JavaScript, React Native, React, Visual Studio Code (VS Code), Payment Gateways, Firebase, SendBird, Xcode, Objective-C, CSS, Adobe Experience Design (XD), Photoshop CS5, Amazon Web Services (AWS), Node.js, HTML, TypeScript, Redux, Mobile Applications
Senior Full-stack Developer
2015 - 2021
Keystrokes Inc
- Built a healthcare insurance claims application and a REST API in .NET Core. Developed a .NET service using SignalR to capture real-time events from users. Created UI elements and drag-and-drop capability for dynamic widgets.
- Designed structure using React for the UI and .NET Core for the REST API that other team members can use as a starter project.
- Utilized Redmine for tracking issues and allocating tasks to team members.
- Created a medicine portal for a prominent pharmaceutical firm in the United States that includes functionality such as product management, invoices, payment processing, supply management for retail stores, and order shipment.
- Fixed existing WordPress sites and added new UI pages. Added the ability to use custom PHP code to load data from Salesforce into WordPress.
- Built a dashboard for the Salesforce cloud using .NET Core. Developed a REST API to get data by calling Salesforce cloud APIs. Created .NET core services to receive and feed data to the Salesforce cloud.
- Designed an online course and quiz application using React and .NET framework.
- Worked as a Linux server administrator, deploying websites and .NET Core services. Worked on AWS Elastic Beanstalk and Lambda, Amazon S3, Digital Ocean, Siteground, and Heroku with .NET Core deployment using Docker.
- Created a REST API in PHP for a weather alert application that uses Twilio SMS and voice-over to give real-time alerts. Used Elastic Beanstalk and Lambda to install it on AWS.
Technologies: C#.NET, ASP.NET, .NET Core, Next.js, React, Visual Studio, Visual Studio Code (VS Code), Photoshop CS5, HTML5, CSS, Amazon Web Services (AWS), Full-stack, .NET, JSON Web Tokens (JWT), REST APIs, APIs, CodeIgniter, C#, Entity Framework, Ant Design, React Redux, HTML5 Banners
Senior Software Engineer | Head of Development
2011 - 2014
Salient Brands
- Developed a social marketing network for consumers to receive free samples and tickers. I used PHP using the Smarty MVC Framework and MySQL.
- Created a native mobile application for iPhone and Android phones.
- Built a chat feature to encourage interaction amongst users. Developed a social media feature to "follow and follow back" and created a timeline for users to get updates for new promotions and events.
Technologies: PHP, Smarty, JavaScript, jQuery, MySQL, Android, iOS, Xcode, Objective-C, REST APIs
PHP Developer
2009 - 2011
V3 Plus Web Solution
- Created an accounting system for the company that includes invoices, ledgers, and final account reports.
- Developed software for the hosting company to sign up for packages with an admin panel in PHP.
- Built websites for different events which include sports and health.
- Tracked bugs using Bugzilla and assigned new tasks to team members, reviewing their code.
Technologies: PHP, JavaScript, MySQL, HTML5
Project History
Healthcare Insurance Claims Application
For this healthcare insurance claims application, I worked as a full-stack developer. I used React to create a new user interface and implemented a drag-and-drop functionality with dynamic widgets using React DND. By using SignalR to create a microservice, I was able to develop a feature that captures real-time events for logged-in users. It was my job to create new components, assign jobs to other users, and review code.
Bloomsbury Tutors
I worked on the company's website, admin site, and user panel as a full-stack developer. I also contributed to the React Native mobile application development, creating UI elements from Adobe XD or PSD to convert them to HTML and CSS.
SampleOn
http://sampleon.comSampleOn is a social media marketing platform aiming to promote new products, events, and businesses. I worked on the native Android and iOS apps and used PHP MVC Framework and MySQL to build the platform.
Manager360 for Microsoft Teams
The Manager360 app is the manager’s hub for running a high-performing team consistently and effectively.
Build a strong management cadence for goal setting, 1-on-1 meetings, performance reviews, and other vital recurring activities.
Use Manager360 to keep the team data you need at your fingertips, from predictive, real-time goal updates to employee strengths and working styles.
Access our full video course in the Manager360 system, plus timely in-app tips and training on management, leadership, and coaching.
Build a strong management cadence for goal setting, 1-on-1 meetings, performance reviews, and other vital recurring activities.
Use Manager360 to keep the team data you need at your fingertips, from predictive, real-time goal updates to employee strengths and working styles.
Access our full video course in the Manager360 system, plus timely in-app tips and training on management, leadership, and coaching.
My User Manual
https://myusermanual.co/A personal user manual is a guide to working with you as a people manager. Give your employees a cheat sheet for working with you. You'll have fewer misunderstandings and more productive collaboration with your team!
WearIt-AI.com
https://www.wearit-ai.comWearIT-AI is an eCommerce website that generates and suggests clothing outfits via AI for the photo uploaded. The generated outfits can be ordered via the website. The website contains Designer Brands, Womenswear, Menswear, and Unisex clothing categories.
Education
2004 - 2009
Master's Degree in Information Technology
Veer Narmad South Gujarat University - Surat, India
Certifications
NOVEMBER 2023 - PRESENT
Kubernetes for the Absolute Beginners - Hands-on
Udemy
NOVEMBER 2023 - PRESENT
Tailwind CSS : A Modern Way To Build Websites Using CSS
Udemy
NOVEMBER 2023 - PRESENT
FastAPI Full Stack Web Development (API + Webapp)
Udemy
OCTOBER 2023 - PRESENT
Docker for the Absolute Beginner - Hands On - DevOps
Udemy
OCTOBER 2023 - PRESENT
The Complete Python Bootcamp From Zero to Hero in Python
Udemy
Skills
Libraries/APIs
React, jQuery, Node.js, REST APIs, Entity Framework, React Redux, SendBird
Tools
Visual Studio, Microsoft Teams, Figma, ChatGPT, Salesforce Sales Cloud, Xcode, Photoshop CS5, Adobe Experience Design (XD), GitHub
Languages
PHP, JavaScript, C#.NET, HTML5, CSS, HTML, TypeScript, C#, SQL, Python, Objective-C
Frameworks
ASP.NET, .NET Core, Next.js, React Native, CodeIgniter, .NET, JSON Web Tokens (JWT), Redux, Ant Design, Tailwind CSS, NestJS, Swagger, CakePHP, Smarty, PHP MVC, Django, Azure Bot Framework, Express.js
Paradigms
Mobile Development, Azure DevOps, DevOps, Microservices
Platforms
Firebase, Visual Studio Code (VS Code), Azure, Microsoft, Vercel, Amazon Web Services (AWS), Docker, Android, iOS, Linode, Kubernetes, Microsoft Bot Framework, Salesforce, Blockchain, Google Ads
Storage
Databases, MySQL, Microsoft SQL Server, NoSQL, PostgreSQL, Data Pipelines, MongoDB
Other
Full-stack, APIs, Web Development, API Documentation, API Integration, Mobile Applications, Chatbots, OpenAI GPT-4 API, Front-end, Design, HTML5 Banners, TypeORM, Chakra UI, OpenAI, Azure AI Document Intelligence, FastAPI, Software Engineering, Data Structures, Payment Gateways, Architecture, ServiceNow, Cloud, Software Architecture, Vite, Microsoft Teams Bot, Figma to React, OAuth, Microsoft Graph API, CI/CD Pipelines, Courier, Supabase, Artificial Intelligence (AI), Scalability, Meta Ads, TikTok Ads, LinkedIn Ads
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