I am a full-stack PHP web developer with more than 14 years of experience in web development and API integration.I develop web applications using PHP, MySQL, WordPress, and Laravel.My goal has always been to create websites that are highly functional but also completely focused on the needs of the client .
I have successfully integrated over 300 APIs globally, which has equipped me with expert skills in API integration.Here are some of the API integrations I have successfully completed.
Accounting & Billing :-
Billing Orchard API, Chargebee API, Debitsuccess API, Escrow API, MYOB API, Payleadr API, Payme API, QuickBooks API, Reckon API, Saasu API, SecurionPay API, Small2Invoice API, Xero API
CRM & Marketing Automation :-
ActiveCampaign API, Capsule CRM API, GoHighLevel API, HubSpot API, Keap (Infusionsoft) API, Klaviyo API, Ontraport API, Total Expert API, Zoho CRM API
E-Commerce, Inventory & Shipping :-
Booqable API, eBay / Shopping API, FedEx API, Inventory Planner API, Magento API, Parcel Pro API, ShipEngine API, Shipit API, Shopify API, SKUSavvy API, Unleashed API, UPS API, USPS API
Field Service & Project Management :-
FieldRoutes API, Filevine API, Housecall Pro API, Hubstaff API, Procore API
Productivity, Automation & Forms :-
Google Apps Script, Jotform API, Qualtrics API, Zapier API
Communication & Helpdesk :-
Constant Contact API, Freshdesk API, OneSignal API, Phone Wagon API
Social Media & Ad Tech :-
AdButler API, CJ (Commission Junction) API, Facebook API, Instagram API, LinkedIn API, Linkshare (Rakuten) API, X (Twitter) API
Events, HR & Staffing :-
Avionté API, BambooHR API, Bookeo API, RunSignUp API, TryBooking API, Webtickets API
ERP & Open Data & Media & Wearables :-
NYC Open Data API, Odoo API, Quickbase API, Zoho API , Discogs API, Fitbit API, Garmin API, Spotify API
Other :-
Angaza API, Bisnode (Bisweb) API, CommCare API, ElevenLabs API, Jobs API, Litmos API, Lovable AI, Redtail API, SpyFu API, Teamleader API, Whereismypartners API
Specialist in the following domains:
- Front End development , Back-end development, Full Stack PHP, Laravel, CodeIgniter, Cakephp.
- Shopify, WordPress, Webflow, Custom Wordpress Plugin , Custom Wordpress Theme.
- Wordpress widget development, Created Leaderboard by using the 3rd party api data
- Wordpress Custom plugin and Wordpress themes development , Wordpress Api integration
- Wordpress Woocommerce orders and customer synch with 3rd party site
- n8n Workflow automation , SuiteDash customization ,Website development in the Lovable
- API Integration
- WordPress Development
- PHP Development
- CRM Automation
- WooCommerce
- Laravel
- RESTful API
Reasons to select my services:
- I possess a demonstrated history of producing high-quality work.
- I offer clients continuous support following the project's completion.
Should we collaborate, I am dedicated to delivering high-quality work efficiently. After completing a project, I offer continuous support to ensure the applications are error-free and highly adaptable for end users.
Feel free to reach out with any inquiries, and I will respond promptly..
WordPress Development
API Development
jQuery
API Integration
PHP
RESTful API
SOAP
WordPress Theme
WordPress Plugin
WordPress e-Commerce
API
Chatbot Development
SaaS
Cloud Application
WordPress Website
Sumit S.
Chandigarh, India
$40/hr
5.0
26 jobs
I'm a Top Rated Senior C#/.NET Developer with 13+ years of experience building enterprise applications, APIs, system integrations, and data processing solutions. I've earned $80K+ on Upwork with a 100% Job Success Score by helping businesses modernize software, automate workflows, and solve complex technical challenges.
I specialize in developing reliable backend systems using C#, ASP.NET Core, .NET, SQL Server, Entity Framework, REST APIs, Azure, and enterprise integrations. My experience includes building new applications, enhancing existing systems, integrating third-party platforms, and modernizing legacy applications such as MS Access and COM-based solutions.
Over the years, I've delivered solutions for healthcare, legal, eDiscovery, document processing, OCR, JSON/XML transformations, data migration, reporting, and enterprise automation. I enjoy working on projects that require strong problem-solving skills and attention to detail.
My core expertise includes:
• C#, .NET, ASP.NET Core
• SQL Server, Entity Framework
• REST APIs & Third-Party Integrations
• Azure & Cloud-Based Solutions
• AI Automation & OpenAI Integration
• JSON, XML & Data Transformation
• OCR & Document Processing
• Enterprise Software Development
• Legacy System Modernization (MS Access, VBA, COM)
• Performance Optimization & Debugging
Clients value me for writing clean, maintainable code, communicating clearly, and delivering dependable solutions. Many of my projects have turned into long-term collaborations because I focus on understanding business requirements and building software that is scalable, reliable, and easy to maintain.
If you're looking for an experienced developer who can build, integrate, modernize, or automate your business applications, I'd be happy to discuss your project.
OpenAI API
CRM Automation
API Integration
REST API
C#
.NET Core
Artificial Intelligence
Web API
ETL
Microsoft Azure
SaaS Development
AI Agent Development
AI App Development
Alpesh M.
Ahmedabad, India
$18/hr
5.0
51 jobs
⭐⭐⭐⭐⭐ 𝗧𝗢𝗣-𝗥𝗔𝗧𝗘𝗗 𝐨𝐧 𝐔𝐩𝐰𝐨𝐫𝐤 in AI
⭐⭐⭐⭐⭐ Top 10 Rated AI API 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 In World 🌎
⭐⭐⭐⭐⭐ Expert AI 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫
⭐⭐⭐⭐⭐ Expert Amazon Ebay ÀPI 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫
⭐⭐⭐⭐⭐ 15+ 𝐘𝐞𝐚𝐫𝐬 𝐨𝐟 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 API Ecommerce Developer
⭐⭐⭐⭐⭐ 𝟓𝟎𝟎𝟎+ 𝐇𝐨𝐮𝐫𝐬 𝐖𝐨𝐫𝐤𝐞𝐝 𝐨𝐧 𝐔𝐩𝐰𝐨𝐫𝐤
⭐⭐⭐⭐⭐ $60𝐊+ 𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐨𝐧 𝐔𝐩𝐰𝐨𝐫𝐤
Hello it's Alpesh Mundadiya here,
✔ 15+ years of experience in .Net Framework,
→ Windows Form, ASP.Net Web Form, MVC, Web API
→ ASP.Net Core MVC and Web API
→ C#, VB.Net
→ Entity Framework, Entity Framework Core
→ ADO.Net, LINQ
✔ 15+ years of experience in JavaScript, jQuery
✔ 15+ years of experience in Microsoft SQL Server
Expert In eBay API. Amazon MWS API, Amazon FBA API, Query Optimization, Cache Management, Page Speed Optimation, Server Management
✅ Do you need help to auto stock in Amazon or auto price in Amazon or auto listing in Amazon?
✅ Do you need help to auto stock in eBay or auto price in eBay or auto listing in eBay?
✅ Do you want to customize the store in Shopify or BigCommerce or OpenCart?
✅ Do you want to Full Stack ASP.Net C# Web Developer?
✅ Do you want to Optimization in your site speed or Cache Management?
✅ Do you have trouble with your database query in SQL and MySQL?
✅ Do you want to server setup for your business?
I have experience in building High-End database driven applications for customers from small to medium enterprises and entrepreneurial community. From last 15+ year I am working with IT Services some of listed here 👇
✨ Key Skill ✨
✔️ ASP.NET / C# / ASP.NET Core / Asp Classic
✔️ SQL Server, MySql
✔️ PHP, OpenCart, Codeigniter, Shopify, BigCommerce, Liquid, Shopify Theme Development
✔️ JQuery, Ajax, Json, Css, Html, Twitter Bootstrap
✔️ Amazon MWS API. Amazon SP API, Amazon FBA API, Amazon MWS API
✔️ Amazon Web Service (AWS) , AWS Management Console
✔️ eBay API, Walmart Open API
✔️ Pay- pal API, Stripe API, Amazon Payment API, Autorized.net API , Stripe API
✔️ FedEx API, UPS API
✔️ SOAP/REST: integration of existing services, API, new services creation.Other web API integration
✔️ Web Scraping (Crawling), Amazon Web Scraping, Web Auto Login, JSON and XML parsing, Amazon To eBay Integrations
Front-End Technology
✔️ Angular ✔️ Angular material ✔️ Ng content ✔️ Pipe ✔️ Typescript ✔️ VueJs
🤖 LLM & AI Engineering
➜ AI Model Development: Artificial Neural Networks, TensorFlow, PyTorch, Generative AI Apps
➜ LLM Fine-Tuning: Persona bots, Q&A systems, Legal/Medical NLP models using LLaMA 3, Mistral
➜ Synthetic Data Generation & Machine Learning Model Training
➜ LLM Prompt Engineering & Evaluation Pipelines for benchmarking
➜ AI Model Integration with OpenAI API, ChatGPT API, and OpenAI Embeddings
➜ Cloud-based AI Deployment: SkyPilot on AWS, GCP, RunPod
➜ Inference Optimization: vLLM, TGI with quantized models (AWQ, GPTQ, GGUF, GGML)
➜ AI Agent Development with CrewAI, AutoGen, Deepgram, Amazon Polly
Server Deployment
✨ Amazon ✨
✔️ Amazon EC2
✔️ Amazon Simple Storage Service (S3)
✔️ Amazon RDS
✔️ Amazon Lightsail
✨ Azure✨
✔️ ServiceBus
✔️ AppServices
✔️ API Management
✔️ Cosmos DB
✔️ AzureSQL
✔️ LogicApps
✔️ EventHubs
✔️ AppInsight
✅ Amazon API Integration: Proficient in integrating various Amazon APIs including SP-API, DSP-API,Amazon MWS, and ADS-API to fetch and integrate real-time data, enabling informed decision-making.
✅ Store Inventory Management Automation: Expertise in automating and streamlining inventory management processes to ensure efficient operations.
✅ ChatGPT and OpenAI Integration: Leverage powerful technologies for enhancing customer interactions, automating customer support, and creating personalized experiences.
ASP
CodeIgniter
JavaScript
jQuery
AngularJS
ASP.NET
Laravel
PHP
OpenCart
eBay API
Amazon MWS
API
API Integration
RESTful API
eBay Web Services
Deependra R.
Dungarpur, India
$17/hr
5.0
187 jobs
1) Top Rated Plus Professional.
2) Total 163 Jobs done at Upwork 100% success.
3) 11.4k+ Hours and Earned $230k+
→ I am doing Website Development (Programming) in PHP-MYSQL Linux Apache & It's CMS and Frameworks like WordPress, Joomla, Contao, Magento Oscommerce (Ecommerce).
→ Laravel (Blade Template), Zend (Laminas) Framework, CodeIgniter Framework
→ Artificial Intelligence (OpenAI, DeepSeek AI)
→ JavaScript Frameworks: jQuery, Prototype.js, ExtJs .
→ Version Control: GitHub
→ Project , Task & Team management: Trello, Basecamp, Slack, Monday etc..
→ I am also Handling database operations, Custom APIs, Third Party, complex applications SOAP, JSON, XML, RESTful API, QR Code generation, Cloud Computing Services - Amazon Web Services (AWS), Payment gateways (PayPal, Braintree, Stripe), etc.
XML
Web Development
jQuery
JavaScript
CSS
HTML5
WordPress Development
API Integration
SOAP
Contao
Custom PHP
Magento
PHP
MySQL
Subhashchandra S.
Ahmedabad, India
$35/hr
4.5
134 jobs
Looking for a Full Stack Developer and API Integration Expert? I am a senior Full Stack Developer with 15+ years experience specializing in API integration and custom web applications using Node.js, Angular, Vue.js.
With 108+ projects, 3,200+ hours, and 100% Job Success Score, I deliver reliable Full Stack solutions as your API Integration Expert.
⭐ FULL STACK DEVELOPER EXPERTISE:
✔ Full Stack Web Applications End-to-end development using Node.js, Angular, Vue.js
✔ Full Stack API Development REST API, GraphQL using Node.js Express
✔ Full Stack Frontend Angular, Vue.js, React JS single-page applications
✔ Full Stack Backend Node.js, Express.js, .NET Core, PHP Laravel
✔ Full Stack Database SQL Server, PostgreSQL, MySQL, MongoDB
✔ Full Stack Cloud Azure, AWS, Docker, Kubernetes
I am a Full Stack Developer building web applications using Node.js, Angular, Vue.js.
⭐ API INTEGRATION EXPERT SERVICES:
✔ QuickBooks Online API Integration Invoices, payments, customers, reports
✔ QuickBooks Desktop API Integration QBXML, Web Connector sync
✔ Amazon SP-API Integration Orders, inventory, settlements, FBA
✔ eBay API Integration Listings, orders, fulfillment automation
✔ Shopify API Integration Products, orders, inventory sync
✔ BigCommerce & WooCommerce API Integration E-commerce connectivity
✔ Xero & Zoho Books API Integration Accounting software sync
✔ Zoho CRM & Salesforce API Integration CRM automation
✔ Payment Gateway API Integration Stripe, PayPal, Authorize.net
✔ Healthcare API Integration — Open Dental, Dentrix, CurveDental
I am an API Integration Expert connecting business systems using Node.js, Angular, Vue.js.
⭐ NODE.JS DEVELOPMENT:
✔ Node.js REST API Backend development with Express.js
✔ Node.js Microservices Scalable architecture using Node.js
✔ Node.js Real-Time WebSocket, Socket.io with Node.js
✔ Node.js Authentication JWT, OAuth 2.0 in Node.js
✔ Node.js Database SQL Server, PostgreSQL, MongoDB with Node.js
✔ Node.js Cloud Azure, AWS hosting for Node.js apps
I am a Node.js Expert building scalable backends as Full Stack Developer.
⭐ ANGULAR DEVELOPMENT:
✔ Angular SPA Single-page applications using Angular
✔ Angular Components Reusable component architecture in Angular
✔ Angular Material Professional UI with Angular Material
✔ Angular Forms Reactive forms, validation in Angular
✔ Angular HTTP API Integration in Angular applications
✔ Angular State NgRx, RxJS for Angular apps
I am an Angular Expert building enterprise apps as Full Stack Developer.
⭐ VUE.JS DEVELOPMENT:
✔ Vue.js SPA Single-page applications using Vue.js
✔ Vue.js Components Reusable Vue.js component architecture
✔ Vue.js Vuetify UI frameworks for Vue.js
✔ Vue.js Pinia State management in Vue.js
✔ Vue.js API REST API connectivity in Vue.js
✔ Vue.js Nuxt Server-side rendering with Vue.js
I am a Vue.js Expert building modern apps as Full Stack Developer.
⭐ CUSTOM SOFTWARE:
✔ SaaS Platforms Multi-tenant using Node.js, Angular, Vue.js
✔ CRM Systems Customer management with Full Stack technologies
✔ Healthcare Software Patient portals, practice management
✔ POS & Inventory Retail systems, stock management
✔ E-commerce Online stores, marketplace API Integration
⭐ TECH STACK:
Frontend: Angular, Vue.js, React JS, Next.js, Nuxt.js, Tailwind
Backend: Node.js, Express.js, .NET Core, C#, PHP, Laravel
Database: SQL Server, PostgreSQL, MySQL, MongoDB
API: REST API, GraphQL, OAuth 2.0, WebSocket
Cloud: Azure, AWS, Docker, Kubernetes
DevOps: CI/CD, GitHub Actions, Azure DevOps
AI: Lovable.dev, Cursor.ai, GitHub Copilot
⭐ API INTEGRATION EXPERT PLATFORMS:
✔ Accounting: QuickBooks, Xero, Zoho Books
✔ E-commerce: Shopify, Amazon, eBay, BigCommerce
✔ CRM: Zoho CRM, Salesforce, HubSpot
✔ Payments: Stripe, PayPal, Authorize.net
✔ Healthcare: Open Dental, Dentrix, CurveDental
⭐ WHY HIRE ME AS FULL STACK DEVELOPER & API INTEGRATION EXPERT:
→ 108+ projects | 3,200+ hours
→ Top Rated Plus | 100% Job Success
→ Full Stack: Node.js, Angular, Vue.js, .NET, Laravel
→ API Integration Expert: QuickBooks, Shopify, Amazon, eBay
→ 15+ years experience
⭐ PORTFOLIO — FULL STACK DEVELOPER:
→ QuickBooks & Shopify API Integration Node.js
→ Amazon SP-API Sync Node.js Express
→ SaaS Inventory Angular, Node.js
→ Healthcare Portal Vue.js, .NET
→ CRM System Angular, Node.js
→ E-commerce Dashboard Vue.js, Node.js
Need Full Stack Developer or API Integration Expert? Message me!
XML
.NET Framework
AJAX
CakePHP
SQL
PHP
C#
API Integration
MySQL
BigCommerce
API
Intuit QuickBooks
Accounting Software
React
Angular
Naseem A.
Pune, India
$25/hr
5.0
350 jobs
⚡ Available now - 🏆 Top Rated Plus - Document Remediation/PDF Accessibility Expert
🎯Adobe Acrobat Pro | CommonLook | axesPDF | Word | Excel | Powerpoint
Hello! 👋 I'm Naseem, and I'm thrilled to have you here.
My passion is working with PDFs, especially in Accessibility and Document Remediation. I have over 14 years of experience in document accessibility (Word, Excel, and PPT), particularly in PDF Accessibility. As part of my work, I ensure compliance with WCAG, ADA, AODA, #A11y, Section 508, and EAA (European Accessibility Act) requirements. I can handle projects of any level of difficulty.
✔What I will do:
I manually test all PDF files, including heading levels, tables, lists, and alt text for images, to ensure they meet WCAG 2.1 AA & 2.2 AA (WCAG (ISO/IEC 40500:2012), PDF/UA (ISO 14289)) accessibility standards. I use leading accessibility tools, including PDF Accessibility Checker (PAC 2024 and PAC 2026) and CommonLook PDF Validator, to deliver 100% error-free documents. I am also proficient with JAWS (2021 and 2024) and NVDA screen readers. With my extensive experience, skills, and knowledge, I am ready to help you achieve success in your project.
✔️Test and Remediate Documents (PDF, Forms, Word, Excel, PowerPoint)
✔️ WCAG 2.1/2.2 AA & ADA Standard
✔️ PDF Accessibility Checker (PAC 2/3/2021/2024/2026)
✔️ CommonLook PDF validator
✔️ Section 508 Compliance
✔️ PDF Fillable Forms with Accessibility
⭐️Key steps:
1. Use Heading Styles: Ensure proper heading hierarchy (H1, H2, H3, etc.).
2. Add Alt Text: Provide meaningful alternative text for images, charts, and graphics.
3. Descriptive Links: Use descriptive hyperlink text instead of raw URLs.
4. Use Tables Correctly: Ensure tables are used for data, not layout, and include headers.
5. Avoid Color Dependence: Ensure information is not conveyed by color alone.
6. Check Language Settings: Set the document's primary language.
⭐️Core services:
1. Fillable PDF forms with calculations, validation, buttons, and clean field structure
2. PDF editing, conversion, OCR, redaction, compression, merging, splitting, and optimization
3. Microsoft Word and Google Docs formatting, templates, reports, TOC, styles, forms, and mail merge
4. PowerPoint and Google Slides design, cleanup, slide masters, pitch decks, reports, and presentations
5. Excel and Google Sheets cleanup, formulas, dashboards, charts, templates, and automation
✔️SKILLS
Skills that help me succeed and realize my passion include Adobe Acrobat DC Pro, PDF accessibility, PDF forms, ABBYY FineReader, OCR, HTML/CSS, JavaScript, customized PDF stamps, InDesign, PowerPoint, Excel, and Word.
Thanks,
Naseem A.
Data Extraction
Ada
Section 508
Adobe Acrobat
Web Content Accessibility Guidelines
Document Conversion
ABBYY FineReader
Microsoft Word
Word Processing
Accuracy Verification
Graphic Design
PDF Conversion
SEC Reporting
Web Accessibility
PDF Pro
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