Skills List :
– 🌐 Web Development
– 🤝 API Development
– 🌍 Map-based Systems
– 🤖 AI-powered Features
– ⚡ Performance Optimization
I have over 10 years of experience in Web and API development, having completed numerous projects for startups and enterprises alike. My deep expertise helps clients build scalable web applications and powerful map-based solutions.
My strength lies in developing reliable systems with a focus on real-world applications, providing clean code for both custom APIs and data-driven platforms. My integration of AI-powered features enhances business operations efficiently.
Understanding both technical and business needs, I am committed to delivering high-performance solutions, offering clear communication and ongoing support to ensure successful project outcomes.
– 🌐 **Web Development**: Expertise in building custom web applications using frameworks like PHP, Laravel, and React for dynamic and interactive user experiences.
– 🤝 **API Development**: Crafting robust APIs and integrating third-party services such as Google APIs, Mapbox, and Stripe to enhance application functionality.
– 🌍 **Map-based Systems**: Development of advanced platforms utilizing Google Maps and Mapbox, bringing dynamic data and GIS components to your projects.
– 🤖 **AI-powered Features**: Implementing intelligent automation and AI functionalities using OpenAI, designed to streamline business processes effectively.
– ⚡ **Performance Optimization**: Focused on optimizing systems for increased performance and scalability, ensuring they can handle complex operations smoothly.
If you are looking for a developer who can align technical solutions with your business goals, reach out to discuss how I can help your project succeed. Let’s build something great together!
Google Maps API
API Development
JavaScript
WordPress
PHP
MySQL
Data Scraping
API Integration
RESTful API
Python
Node.js
AWS Development
Web API
Google APIs
Google Sheets Automation
SaaS Development
Laravel
React
Kashif A.
Islamabad, Pakistan
$50/hr
5.0
69 jobs
⭐️ Top Rated - Top 10% of talent on Upwork
✅ 6+ years of experience
✅ 50+ projects delivered with 5 star rating
✅ Available to collaborate seamlessly in US time zones
Hi, I'm a seasoned GIS specialist and full-stack developer, on a mission to deliver excellence in interactive web mapping. Leveraging industry-leading technologies such as Mapbox, Leaflet, and OpenLayers, I create high-quality, tailored solutions that meet your project’s unique needs. With a robust foundation in HTML, CSS, JavaScript, Python, ReactJS, and React Native, along with expertise in geospatial analysis, data management, and web mapping technologies like PowerBI and ArcGIS, I'm committed to driving impactful solutions
My ability to effectively communicate and collaborate with cross-functional teams, along with my strong problem-solving and analytical skills, ensures that your interactive web maps are not only functional but also visually compelling. My passion for Mapbox and Leaflet allows me to push the boundaries of what’s possible in web mapping, making me a valuable asset to your team.
⭐ My strengths and skills:
✅ Full-Stack Development: Proficient in both front-end and back-end development, including HTML, CSS, JavaScript, and frameworks like ReactJS, React Native, and Angular for building user interfaces. I also have experience with server-side technologies like Node.js, Laravel, or Django for building robust APIs and handling data processing that power interactive web maps.
✅ Geospatial Expertise: In-depth knowledge of GIS principles, spatial databases (e.g., PostGIS), and geospatial data formats (e.g., GeoJSON, Shapefile), with a solid understanding of coordinate systems, map projections, and spatial analysis techniques that are crucial for creating accurate interactive web maps using Mapbox, Leaflet, and OpenLayers.
✅ Web Mapping Technologies: Extensive experience with Mapbox, Leaflet, and OpenLayers to create interactive web maps that are both visually appealing and highly functional. I can customize these web maps to meet your unique requirements, ensuring seamless integration with your existing systems and optimal performance.
✅ Database Management: Proficient in working with relational databases (e.g., PostgreSQL, MySQL) and spatial databases (e.g., PostGIS) for efficient storage and retrieval of geospatial data. My experience in database management ensures that your Mapbox and Leaflet interactive web maps have fast and reliable data access.
✅ Data Visualization: Skilled in visualizing geospatial data using charting libraries like D3.js or Plotly. I create intuitive and informative data visualizations that enhance your interactive web maps developed with Mapbox, Leaflet, and OpenLayers.
✅ Spatial Analysis and Modeling: Capable of performing advanced spatial analysis tasks such as buffering, overlaying, network analysis, and geoprocessing. My expertise in tools like ArcGIS, QGIS, and ArcGIS Pro complements my work in developing interactive web maps with Mapbox and Leaflet.
✅ Version Control and Collaboration: Proficient in using version control systems like Git for code management and collaboration within development teams. My approach ensures that your interactive web maps built with Mapbox and Leaflet are maintained with the highest standards.
✅ Problem-Solving and Analytical Skills: Strong analytical thinking and problem-solving abilities enable me to address complex spatial challenges and develop innovative solutions using Mapbox, Leaflet, OpenLayers, and other geospatial technologies. Whether you need to optimize map performance or customize map styles, I have the expertise to deliver results.
✅ Communication and Collaboration: Excellent communication skills allow me to effectively collaborate with cross-functional teams & clients. I translate technical concepts into understandable terms and work in agile development environments, ensuring your interactive web maps meet all project requirements.
⭐ Technologies:
Geographic Information Systems (GIS) Software: ArcGIS, QGIS.
Spatial Databases: PostgreSQL with PostGIS, Microsoft SQL Server.
Programming Languages: Python, JavaScript, SQL.
Web Mapping Libraries: Leaflet, OpenLayers, Mapbox GL JS, CesiumJS, Potree.
GIS APIs: Google Maps API, ArcGIS API for JavaScript, Mapbox API, MapTiler API.
Front-end Frameworks: React, Angular, Wordpress
Back-end Frameworks: Node.js, Django, GeoServer.
Data Visualization: D3.js, Plotly.
Geospatial Analysis: GDAL, P, rasterio, TurfJS, GeoPandas.
Spatial ETL (Extract, Transform, Load): FME.
Version Control: Git, GitHub, Bitbucket.
Cloud Computing: Amazon Web Services (AWS)
Mobile Development: React Native.
Containerization: Docker.
Data Formats: GeoJSON, Shapefile, KML, GeoTIFF, vector tiles.
Let’s connect to discuss how my expertise in Mapbox help your business
Google Maps API
ArcGIS
JavaScript
D3.js
Mapbox
React
Google Map Maker
GIS
Leaflet
Python
Satellite Image
OpenLayers
Map Integration
Interactive Data Visualization
WordPress
Aneeq ur Rehman S.
Islamabad, Pakistan
$20/hr
4.7
33 jobs
🌍 GIS Developer with 6+ years of experience building interactive maps, responsive dashboards, spatial databases, backend APIs, and automation systems. A recent Mapbox application I developed efficiently displayed and clustered more than 16,000 addresses.
My solutions help businesses:
🗺️ Visualize locations and geospatial data
📍 Manage properties, territories, and service areas
📊 Turn complex datasets into actionable dashboards
⚙️ Automate repetitive operational workflows
🔄 Synchronize customer data across business platforms
🚀 Launch scalable, production-ready web applications
🗺️ Interactive Maps & GIS Applications
I develop custom mapping applications using Mapbox, Google Maps, Leaflet, MapLibre, PostGIS, QGIS, and ArcGIS services.
My mapping capabilities include:
• Location search, filtering, and geocoding
• Territory and service-area management
• Custom map layers, markers, popups, and controls
• Property discovery and location-based search
• Polygon drawing, routing, and spatial measurements
• Heatmaps, clustering, and data-driven visualization
• GeoJSON and geospatial dataset processing
• Real estate, field operations, and business mapping platforms
💻 Full-Stack Geospatial Development
I build complete applications, from the spatial database and backend architecture to the final responsive dashboard.
✔ Frontend: React, Next.js, TypeScript, JavaScript, Mapbox GL JS
✔ Backend: NestJS, Node.js, REST APIs
✔ Databases: PostgreSQL, PostGIS
✔ Mapping: Mapbox, Google Maps API, Leaflet, MapLibre, QGIS
✔ Additional: Flutter, React Native, WordPress, and third-party integrations
My focus is clean architecture, maintainable code, performance, security, and long-term reliability.
⚡ Automation & API Integrations
I develop automation systems that reduce manual work and reliably synchronize business platforms.
🤖 Automated lead detection, form submission, and claiming
🔗 GoHighLevel webhook processing and contact synchronization
🏠 HouseCallPro estimate-event integrations
📍 Address-based customer matching
🔄 External platform and CRM data synchronization
⏱️ Cron-based background automation
🛡️ Retry and fallback queues for failed API operations
🕸️ Web scraping and browser automation
⭐ Why Work With Me?
🏆 Top Rated Upwork freelancer
💯 100% Job Success Score
✅ 33 completed Upwork projects
📜 Registered Engineer
🎓 Bachelor of Engineering in GIS
💬 I provide clear milestones, regular progress updates, and documented handover so clients always know the project’s current status and next steps.
🧩 Clean, scalable, and maintainable solutions
💡 I do more than embed maps. I design reliable geospatial systems around your business requirements, data, and long-term goals.
📩 Send me your mapping requirements, existing application, workflow, or dataset, and I’ll recommend the most practical implementation approach.
Google Maps API
GIS
Mapbox
PostGIS
Leaflet
Geospatial Data
PostgreSQL
React
TypeScript
API Integration
Geocoding
Full-Stack Development
RESTful API
QGIS
Spatial Analysis
JavaScript
WordPress
Node.js
NestJS
Automation
Hamza R.
Faisalabad, Pakistan
$15/hr
4.5
40 jobs
👋 Need a skilled FlutterFlow Developer or Flutter Developer for your next mobile app development project? You're in the right place! I specialise in Flutter and FlutterFlow development, crafting visually stunning, high-performance applications. Whether it's custom mobile app development, backend integration, or AI-powered solutions, I ensure seamless functionality with Firebase, Supabase, and custom APIs.
🌟 𝗪𝗵𝘆 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲?
---------------------------------------------------------------------------------------------------
✅ Top 5% FlutterFlow Developer worldwide
✅ 4+ Years of Experience in Flutter & native mobile app development
✅ 30+ Successful Projects across industries
✅ Deep Expertise in Firebase & Supabase optimization
✅ AI-Powered Mobile App Development with & Custom APIs
✅ 100% Client Satisfaction with long-term support
📌 FlutterFlow Developer Services
---------------------------------------------------------------------------------------------------
✅ Custom FlutterFlow Development – End-to-end mobile app development, custom components, seamless Firebase & Supabase integration
✅ FlutterFlow Backend Solutions – Scalable database setup, secure authentication, custom API integration
✅ MVP Development – Rapid prototyping, startup solutions, quick-to-market apps
✅ UI/UX Excellence – Modern, intuitive, and engaging app designs with custom animations
📌 Flutter Developer Services
---------------------------------------------------------------------------------------------------
✔ Flutter, Dart, BLoC, Provider, GetX – Best architecture & state management for scalable mobile app development
✔ Figma to Flutter – Pixel-perfect UI implementation
✔ Backend Development – Node.js, MongoDB
✔ Firebase & Supabase – Firestore, Realtime DB, Authentication, RPC function, Edge Functions
✔ Social Media & Payments – Google, Facebook, Apple, Stripe, Razorpay
✔ Google SDKs & APIs – Maps, Ads, Analytics, Push Notifications
💡 𝗪𝗵𝗮𝘁 𝗬𝗼𝘂 𝗚𝗲𝘁?
---------------------------------------------------------------------------------------------------
✅ High-Quality, Bug-Free Apps – Scalable & optimized for performance
✅ Clean, Maintainable Code – Best coding practices for long-term success
✅ Lifetime Support & Maintenance – Ongoing improvements & feature updates
🚀 Ready to build your next mobile app development project? Let’s discuss your idea and bring it to life! 💬🎨
— Hamza R.
Google Maps API
Google Maps
Flutter
FlutterFlow
Firebase Cloud Firestore
Supabase
API Integration
iOS Development
App Store Upload
Stripe
Push Notifications
Apple Pay JS
Firebase
Ahmed R.
Islamabad, Pakistan
$20/hr
4.9
12 jobs
𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗚𝗜𝗦 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 𝗧𝘂𝗿𝗻𝗶𝗻𝗴 𝗦𝗽𝗮𝘁𝗶𝗮𝗹 𝗗𝗮𝘁𝗮 𝗶𝗻𝘁𝗼 𝗥𝗲𝗮𝗹-𝗪𝗼𝗿𝗹𝗱 𝗜𝗻𝘀𝗶𝗴𝗵𝘁𝘀
Helping businesses and governments build scalable GIS platforms, real-time dashboards, and advanced spatial solutions.
With 7+ years of experience in GIS and Web Development, I specialize in building scalable Web GIS applications, interactive maps, and spatial analytics systems that deliver real impact.
What I Can Do For You:
- GIS & Spatial Analysis
- Site suitability & land use analysis
- Spatial clustering, buffering, overlays
- Hydrology & environmental analysis
- Geostatistics & data modeling
- Web Mapping & GIS Applications
- Interactive maps using Mapbox, Leaflet, OpenLayers, Cesium
- Real-time GIS dashboards
- Custom map-based platforms (tracking, analytics, visualization)
- Full Stack Web GIS Development
- Frontend: React.js, JavaScript, HTML, CSS
- Backend: Node.js, Express.js, PHP, Python
- API integrations & scalable architecture
- GIS Databases & Data Engineering
- PostgreSQL/PostGIS, MySQL
- Spatial data processing & optimization
- GeoJSON, SHP, KML, and large dataset handling
- GIS Mobile Apps
- Map-based mobile applications (React Native)
- Location tracking & field data collection apps
- Tools & Technologies
- GIS Tools: ArcGIS, QGIS, GeoServer, ENVI
- Web Mapping: Mapbox, Leaflet, OpenLayers, Cesium
- Backend: Node.js, Python, PHP
- Frontend: React.js, Tailwind, Bootstrap
- Cloud: AWS (EC2, S3, RDS), CI/CD
- Data: Google Earth Engine, PostGIS
What Makes Me Different:
✔ I don’t just build maps, I build solutions that solve real problems
✔ Strong combination of GIS expertise + full stack development
✔ Experience across government, enterprise, and research projects
✔ Focus on performance, scalability, and clean UI/UX
✔ Clear communication & on-time delivery
Recent Project Types
- Route optimization systems
- Land information & property mapping systems
- Real-time tracking dashboards
- Population & demographic maps
- Custom GIS web platforms
🤝 Let’s Work Together
If you’re looking for someone who can understand your data, design the right solution, and deliver a high-quality GIS product, let’s connect.
📩 Send me a message and let’s discuss your project.
Google Maps API
Python
Data Analysis
Node.js
Cesium
Amazon RDS
ArcGIS
QGIS
Web Application
Spatial Analysis
Leaflet
GIS
GIS Software
PostGIS
JavaScript
Darab K.
Lahore, Pakistan
$45/hr
5.0
23 jobs
GPS Tracking & Traccar developer with 10+ years building fleet management systems, taxi booking apps, trucking & load board platforms, and last-mile delivery solutions — 200+ projects delivered, Top Rated on Upwork with 100% Job Success Score.
If you need a GPS tracking system, Traccar-based fleet platform, truck dispatch app, load board marketplace, taxi booking app, or real-time delivery tracking system — you are on the right profile.
📡 GPS Tracking & Traccar Development
One of the most experienced Traccar developers on Upwork with over a decade of active Traccar work. I build complete Traccar solutions — custom protocol decoders for any GPS hardware, white-label fleet tracking web portals, Traccar mobile apps for iOS and Android via Flutter, and multi-tenant platforms for GPS tracking service providers who resell to their own clients.
I also deploy self-hosted Nominatim servers for reverse geocoding and Valhalla routing engines for directions and route optimization — completely eliminating Google Maps API costs for fleet businesses operating at scale.
Hardware I integrate with: Teltonika · GoSafe · Calamp · Concox · Queclink · Meitrack · Coban · Ruptela · and any custom protocol device via custom decoder development.
🚚 Fleet Management Systems
Full-stack fleet platforms with real-time vehicle tracking, geofencing alerts, fuel monitoring, driving behavior scoring, trip and stop analytics, vehicle maintenance scheduling, work hours tracking, driver behavior reports, heavy machinery and forklift monitoring, and VIN/MC# verification. Built for fleet operators, logistics companies, transport businesses, and asset tracking providers.
Features I build: Live map tracking · Geofencing & alerts · Fuel consumption reports · Driver scorecards · Trip history & replays · Maintenance scheduling · Multi-vehicle dashboards · Role-based portals for Fleet Managers, Admins, and Drivers.
🚛 Trucking, Load Board & Freight Forwarding
Complete TMS and load board platforms for trucking marketplaces. Load and job posting, optimized routing, multi-stop pickup and dropoff, driver dispatch apps, BOL and POD documentation, and real-time cargo tracking. Portals for Shippers, Carriers, Dispatchers, and Fleet Managers. Integrations with Truckstop, Sylectus, DAT, and FedEx.
🚖 Taxi Booking & Ride-Hailing Apps
End-to-end taxi dispatch and ride-hailing platforms — fare calculation, route optimization, driver bidding on trips, multiple pickup and dropoff via maps, live trip tracking, background GPS tracking for drivers, SMS/email/push notifications, payment gateway integration, and in-app real-time chat for iOS and Android.
📦 Delivery & Last-Mile Apps
Driver apps with job dispatch, real-time navigation, multi-stop delivery routing, delivery confirmation, POD capture, live customer tracking links, and SMS/push notifications. Built for courier companies, logistics operators, and on-demand delivery businesses.
👷 Employee & Driver Tracking
Field staff attendance, geofenced check-in and check-out, shift tracking, live location monitoring, work hours reports, and driver behavior scoring — built for companies managing mobile field teams and drivers across multiple locations.
⚙️ How We Work
Every project starts with a technical discovery call where I map your exact requirements before writing a single line of code. I provide weekly progress updates, maintain clean documented code, and run dedicated QA before every deployment. 200+ delivered projects means I have seen the edge cases, the scaling problems, and the integration challenges before they become your problem.
My team handles full-stack delivery — backend, mobile, frontend, DevOps, and QA — so you work with one point of contact from kickoff to launch.
🛠 Tech Stack
Backend: Laravel · Django · FastAPI · Python · CodeIgniter · Flask
Mobile: Flutter (iOS & Android)
Maps: Google Maps · Leaflet · Mapbox
Routing: Valhalla (self-hosted) · Google Directions API
Geocoding: Nominatim (self-hosted) · Google Geocoding API
Databases: MySQL · PostgreSQL · MongoDB
DevOps: Docker · CI/CD Pipelines · AWS · DigitalOcean · Hetzner · Contabo
Payments: Stripe · PayPal · Apple Pay · Google Pay
📩 Message me with your project — fleet tracking, Traccar customization, load board, trucking TMS, taxi app, or delivery platform. I will respond within a few hours with a clear plan.
Google Maps API
Transportation
Supply Chain & Logistics
Web Development
App Development
Fleet Management
GPS
Freight Forwarding
Flutter
Laravel
Django
Transportation & Warehousing
FastAPI
React
Logistics Management
Geolocation
PostgreSQL
API Integration
Android App Development
PHP
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