Hey, I’m Abdulah Džankić, a front-end developer from Bosnia and Herzegovina, passionate about creating seamless web and mobile experiences. My focus isn’t just building websites; I craft digital solutions that truly make an impact. I specialize in responsive, user-friendly frontends and have extensive experience in backend development using Node.js, Express, Supabase, and databases like MongoDB. I also integrate AI-powered features into web and mobile apps, handling data collection, processing, and analysis to deliver smart, interactive, and personalized experiences. I enjoy building full-stack solutions that are scalable, maintainable, and efficient. Whether it’s frontend or backend, I’m here to turn ideas into robust, real-world applications. Feel free to connect if you’re looking to build something exceptional together!

I'm a programmer with around 10 years of professional experience in software development industry. I have created a wide range of websites using .NET, .NET Core, PHP Frameworks,CMS like CodeIgniter,Yii, WordPress,Custom PHP, JavaScript and MySQL. My portfolio is the evidence of my capability.

𝑯𝒊, 𝑰'𝒎 𝑹𝒂𝒌𝒆𝒔𝒉 — 𝑬𝒙𝒑𝒆𝒓𝒕 𝑭𝒖𝒍𝒍-𝑺𝒕𝒂𝒄𝒌 𝑫𝒆𝒗𝒆𝒍𝒐𝒑𝒆𝒓 💼 8+ 𝐘𝐞𝐚𝐫𝐬 | 🚀 139+ 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬 | ⭐ 𝟏𝟎𝟎% 𝐂𝐥𝐢𝐞𝐧𝐭 𝐒𝐚𝐭𝐢𝐬𝐟𝐚𝐜𝐭𝐢𝐨𝐧 I’m a Full Stack & AI-Powered Web Application Developer with 8+ years of experience building scalable web solutions for startups and small businesses. My work blends cutting-edge AI integrations with robust front-end and back-end development to deliver smart, responsive, and user-centric applications. AI Integration is my specialty. Whether it's building an AI content generator, integrating OpenAI/Gemini into web apps, or enhancing UX with AI-based personalization, I bring innovative solutions to life. I also work with n8n, an open-source workflow automation platform, to design and deploy custom automations that connect various services and streamline business operations. From automating lead flows and marketing tasks to integrating CRMs, webhooks, and APIs, I build efficient, scalable workflows that save time and reduce manual work. List of my expertise with various tech stacks: AI-Powered Web App (React + OpenAI / Gemini) SaaS MVP Development Website with AI Blog Writer & Scheduler E-commerce Store with AI Product Recommender Convert Figma to Next.js with Tailwind Landing Page with AI Lead Scoring React + Firebase Job Board / Marketplace Responsive design Third-party integrations via API Payment gateway integration Social media logins Geo-location implementation My proficiency comprises: Custom web application development CMS: WordPress, Joomla, Drupal PHP Frameworks: Laravel, Symfony, CakePHP, Zend, CodeIgniter, Yii ROR Framework, Python, Django APIs: RESTful, SOAP-based, OAuth-based APIs, Shipping APIs – UPS, USPS, FedEx, Amazon APIs (MTurk, SimpleDB), and Google APIs E-Commerce Website Development – Magento, BigCommerce, Shopify, OpenCart, osCommerce, PrestaShop Interactive Front-End Web Development: HTML, XHTML, XML, CURL, CSS, Twitter Bootstrap JavaScript MVC libraries and frameworks including: Bubble io, Backbone js, Ember, Knockout js, Ext JS, AngularJS, Node js & MEAN JS I also specialize in building all types of calculators like simple input-output tools to complex financial, tax, health, and logic-based calculators. Whether it's in Excel, Google Sheets, or web-based (JavaScript, React, etc.), I create fast, user-friendly, and error-proof tools tailored to your exact needs. Custom Excel & Google Sheets Calculators Financial & Tax Calculators (IRMAA, QCD, RMD, ROI, etc.) Health & Fitness Calculators (BMI, BMR, etc.) Web-based Calculators with live inputs and dynamic logic Error validation, styling, and mobile responsiveness AI Developer | AI Engineer | Artificial Intelligence Solutions | Machine Learning Developer | Deep Learning Developer | AI Model Integration | Natural Language Processing (NLP) | Computer Vision Expert | AI Chatbot Developer | N8N Developer | PyTorch Developer | OpenAI Integration | AI-Powered Web Apps | AI Automation Services | Custom AI Models | AI Workflow Optimization | AI in E-commerce | AI-Based Recommendations | AI-Powered Analytics | AI SaaS Solutions | AI-Powered CRMs | AI Prompt Engineering | AI Content Generation | AI Personalization Systems | Full Stack Developer | Full Stack Engineer | MERN Stack Developer | MEVN Stack Developer | Frontend & Backend Expert | RESTful API Developer | GraphQL Developer | End-to-End Web Solutions | JavaScript Full Stack | TypeScript Developer | Web App Development | Full Stack App Architect | SaaS Product Developer | MVC Architecture Expert | API Integration Services | Full Stack Consulting | Full Stack Performance Optimization | Full Stack Debugging | CI/CD Implementation | GitHub Actions & Deployment |

Hi there! I'm a passionate Front-End Developer focused on building fast, responsive, and user-friendly web experiences. I specialize in modern front-end development and have hands-on experience in animation, scalable UI systems, and Chrome extension development. I have already built several Chrome extensions, including Organize AI, and I love creating tools that improve workflow and enhance user experience. My core goal is to understand your needs, meet deadlines, and ensure long-term success for every project I take on. I take pride in writing clean, maintainable code and staying up-to-date with the latest trends and technologies in web development. Whether you need a highly interactive interface, animated elements, or a full-featured Chrome extension, I’m here to help. ✨ My key technical skills include: 🔹 HTML5 / CSS3 / SCSS / Tailwind CSS 🔹 JavaScript (ES6+), TypeScript, AJAX, Git 🔹 React.js, Redux, Redux Toolkit, Next.js 🔹 Plasmo & Chrome Extension Development 🔹 Animation Libraries: GSAP, SVG animations 🔹 Bootstrap 5, Responsive & Cross-Browser Design 🔹 W3C Valid Code and Best Practices I’m especially interested in building long-term relationships with clients and offering ongoing support even after delivery. Let’s connect and build something awesome together! Feel free to reach out with any questions — I’m always here to help.

50+ clients. 100% Job Success Score. 10+ years in software engineering. I work with startup founders who have a clear idea and need one person to build it end-to-end — architecture, backend, frontend, deployment. No team to manage. Deepest experience in fintech, but I've shipped products across healthcare, edtech, and SaaS. If it's a web product, I can build it. DM me with what you're building.

Struggling with Dataverse API thresholds, complex Power Pages security roles, or integrating third-party systems into your CRM? Low-code setups often break at scale. As a Senior Dynamics 365 CE & Power Platform Architect with a technical .NET development foundation, I specialize in building the high-complexity, pro-code solutions that outlast basic configurations. With over 6 years of experience architecting enterprise ecosystems, I bridge the gap between business logic and scalable cloud architecture. Whether you need a secure customer-facing portal or a custom C# plugin to handle heavy automation, I deliver production-ready, fully documented solutions. Core Technical Expertise: Dynamics 365 CRM/CE: Advanced customization, custom C# plugins, workflow extensions, and end-to-end Lead-to-Cash process automation. Power Pages (Portals): Enterprise-grade B2B/B2C portals with custom UI/UX using Liquid, JavaScript, strict Web Roles isolation, and secure Table Permissions. Power Apps: High-adoption Canvas and Model-Driven applications designed for complex operational needs (field operations, inventory, and offline-sync). Integrations & Dataverse: Cloud flows, custom REST/SOAP API integrations (QuickBooks, Jira, ERPs), and high-performance Dataverse schema design built to bypass standard query throttling limits.

My focus is Location Intelligence solutions in Real Estate, Construction and Transport industries. My passion lies in developing custom algorithms based on large GIS datasets, such as OpenStreetMap data or government land and cadastral registers. I extensively use PostgreSQL/PostGIS databases and server-side software focused on delivering high-performance tiled map sources in my work. I possess expert knowledge of Mapbox GL, MapLibre GL, and Leaflet map scripts and their application for complex GIS data visualization. Currently I am in search of interesting projects related to: - Land registers, cadastres, real estate evaluation and appraisal using GIS datasets - Location Intelligence applications in Construction and Real Estate industries - Processing and leveraging OpenStreetMap data in various applications - Physical address related GIS solutions - Routing and traffic solutions - Climate and weather data processing, tightly integrated with maps I possess extensive experience in: - Managing large real estate and geospatial databases - Government GIS open data - Utilizing OpenStreetMap data in various applications, ranging from traffic routing to real estate appraisal - Visualizing data on web maps, including big data - Processing weather and climate maps with NetCDF and GRIB data - Analyzing satellite imagery data for NDVI/NDWI, detection of roofs, pools, building footprints, etc. - Developing custom GIS algorithms Technologies: Backend: - Python, GeoPandas, Numpy, Flask, FastAPI. GIS-specific libraries: - Gdal, ECMWF, OSRM, Valhalla, Nominatim Frontend: - Mapbox GL, Maplibre, Leaflet, Google Maps, Turf, Javascript Databases: - Postgres/Postgis, MySQL, MongoDB Deployment: - AWS, Ubuntu, Debian Desktop: - QGIS, ArcGIS Note: I don't like works with HTML/CSS UI other than map components. It's acceptable only as a very small part of the whole project

Full Stack Developer SaaS focused on turning complex product ideas into stable, scalable platforms Recent Client Results: ✔️ launch SaaS products in 6-10 weeks ✔️ improve API performance by 30-45% ✔️ reduce manual operations by 40-60% ✔️ build platforms ready to support 10k+ users. As a Full Stack Developer React Node and SaaS Developer I help startups and established businesses. I bring 16+ years in software development, 225+ delivered products and 9+ years of hands-on Node.js experience. As a Certified Full Stack Developer React Node and Web Full Stack React Developer, I focus on business outcomes first: launching SaaS MVPs 30–40% faster, improving release stability, building scalable architecture, and reducing costly rework as products grow. My experience as a Full Stack React JS specialist allows me to deliver production-ready solutions with React.js, Node.js, Next.js, Nest.js, and modern JavaScript Developer workflows, supporting platforms with 10k+ users, 99.9% uptime targets, and integrations across APIs, payments, CRMs, and AI tools. As a Backend Developer Nest.js with strong TypeScript Backend Development skills, I design maintainable server-side application architecture, secure APIs, and clean business logic for SaaS, internal tools, marketplaces, and custom platforms. As a Node js Developer, Nodejs Developer, and Nodejs Backend Developer, I use Node.js to simplify complex workflows, improve backend stability by 30–45%, and support products built on both SQL and NoSQL databases. My Typescript Nodejs background helps teams move 25–35% faster with modular services, readable code, and easier long-term maintenance. I also build advanced integrations with Stripe, third-party services, and node.js graphql solutions for scalable product ecosystems, including platforms with 10k+ users, 99.9% uptime targets, and 20+ API/payment/CRM integrations. I’m a Full Stack Developer React Node with deep experience in scalable web application development across SaaS platforms, CRM systems, dashboards, admin panels, internal tools, and custom business products. My React js Node js work is focused on shipping fast, usable, and maintainable solutions that support real business goals. As a React Developer and Full Stack Developer React Node, I build responsive, scalable interfaces using React, JavaScript, Node.js, and Next.js. My work as a React JS Developer and React JS / Next.js / NestJS Developer focuses on creating fast, user-friendly products that improve usability, support growth, and reduce friction across the customer journey. I also work as a React Native Developer ( Full Stack Developer SaaS ) when a product needs mobile-first extensions or companion app experiences aligned with the main platform. As a Full stack AI SaaS developer, I help businesses with scalable SaaS Projects, Edtech Products with dashboards and payment flows, advanced e-commerce solution beyond CMS limits, Corporate Websites with strong backend logic, marketplace platforms with secure transactions, Authentication and Security with JWT-based access control, API Development and Integration, GraphDB, REST API, node.js graphql, CRM Development, Payment Gateways Stripe Paypal Liqpay, Database Management & Optimization and ongoing Deployment & Maintenance. I also bring practical experience with PHP, Laravel, Python, Vue.js, Angular, React, Node.js, full stack developer supabase react, full stack react native spring boot, JavaScript, MySQL, WordPress, Tailwind CSS, Bootstrap, HTML, HTML5, CSS and CSS 3, TypeScript, Redux, jQuery, Responsive Design, Web Design, PHP, MongoDB, Next.js python full stack developer, full stack developer ai, full stack developer react, full stack developer shopify My work covers full stack node.js react for modern Web Application products, including custom API development and API Integration, while Git supports a clean and reliable delivery workflow. I also bring strong Web Design awareness, helping create interfaces that are not only functional, but also responsive, polished and user-friendly. 👉If you need a Full Stack Web Developer who can launch faster, improve performance, stabilize architecture, and build for long-term growth - let’s discuss your product.

**Microsoft 365 SharePoint & Power Platform Professional | 13+ Years of Experience | Microsoft Certified** A seasoned Microsoft SharePoint developer and architect with over 12.5 years of comprehensive experience in development, configuration, customization, and administration across various SharePoint platforms. Adept at designing and architecting scalable, enterprise-grade solutions with deep expertise in both classic and modern SharePoint environments. Microsoft-certified and results-driven, with a proven record of delivering high-quality solutions for global clients. Demonstrated technical proficiency, a love of innovation, and leadership and team management skills. Adept at using AI tools like Microsoft Copilot and ChatGPT, as well as contemporary Microsoft technologies like Power Platform, Microsoft 365, SPFx, and Azure, to create clever business apps. Successfully delivered 100+ diverse projects for clients across various industries, ensuring timely delivery and customer satisfaction. --- **Core Competencies & Technical Skills:** **SharePoint & Microsoft 365:** * SharePoint (MOSS 2007, 2010, 2013, 2016, 2019, and SharePoint Online) * Office 365 / Microsoft 365 * SharePoint Framework (SPFx), Microsoft Teams Development, Bot Framework, Teams Apps **Power Platform:** * PowerApps (Canvas, Model-Driven, Power Pages) * Power Automate (Cloud Flows, UI Flows, RPA) * Power BI, Power FX, Power Query * Power Virtual Agents * Power Automate Desktop (RPA) **AI & Automation:** * Microsoft Foundry, Copilot, Copilot Studio, SharePoint Agents * Integration with ChatGPT and Azure QnA **Migration & Integration:** * SharePoint on-premises to Online migrations * Third-party platform migrations to Microsoft 365 * Azure AD B2C, Azure DevOps, Microsoft Azure **Development Skills:** * Backend: .NET Core, C#, MVC, SQL, REST APIs * Frontend: React, TypeScript, JavaScript, jQuery **Tools & Frameworks:** * SPFx, TeamsFX, PowerFX, Nintex Forms and Workflows --- **Professional Highlights:** * 12+ years with leading multinational companies * 5+ years of successful freelance project delivery and owning company * M.Tech. in Artificial Intelligence from IIT Jodhpur * B.Tech. in Information Technology **Certifications:** * Microsoft Azure Fundamentals (AZ-900) * Microsoft Power Platform Developer (PL-400) * SharePoint Core Solutions (70-331) * SharePoint Advanced Solutions (70-332) I would be delighted to bring my expertise to your project or organization and contribute to its success.

✅ *** TOP RATED PLUS Fulltime Upwork Freelancer *** ✅ *** 100% Job Success Ratio *** ✅ *** 100% Client Satisfaction *** ✅ *** 5★ Rating *** 𝐀𝐌𝐀𝐙𝐈𝐍𝐆 𝐂𝐋𝐈𝐄𝐍𝐓 𝐓𝐄𝐒𝐓𝐈𝐌𝐎𝐍𝐈𝐀𝐋𝐒 : =============================== ★★★★★ - Amine. "Sanjay is extremely efficient and quick. He's very good and agile working with HTML/CSS/PHP. I'm starting another project with him right away. I recommend." ★★★★★ - Amy. - "Sanjay did a phenomenal job with our project. He was fast, professional, courteous and got the job done exactly as we asked. Thank you!" ★★★★★ - Zack. - "This freelancer is very responsive and great at the work that he does. I will rehire him for every website creation and update." - "Sanjay is an excellent and quick worker. I have already rehired him for 2 jobs. His work always looks good." - "Sanjay was a pleasure to deal with in many respects. He was professional, easy to communicate with, exceptionally helpful, proactive, and get me the outcome I was after. I am delighted to have chosen him for this project and grateful he did such an outstanding job. Thanks Sanjay!!" - "Sanjay delivered good work on this development project and I enjoyed working with him. His communication was top-notch, he met all deadlines, and his skills were reasonably strong." I have 10+ Years of experience in the web Development. I completed lots of projects on Web Applications and Mobile Applications. I am interested in working with the programming language and creating new logic for it. I am an expert in WordPress and woo-commerce. I am also interested in developing new plugins and themes based on requirements and doing customization in WordPress. Currently, I am learning React JS. ✅ Wordpress with WooCommerce ✅ Laravel ✅ Code Igniter ✅ PHP ✅ MySQL ✅ Bootstrap ✅ HTML5 ✅ CSS3 ✅ Javascript/jQuery ✅ Java ✅ AJAX ✅ JSON ✅ API Integration ✅ Payment Integration ✅ Third Party Integration ✅ Git Feel free to contact me if you want to create successful application or just need some consultation for your existing product.