Hire the Best Google Maps API Developers
in Ukraine

I build data- and API-heavy platforms on Laravel + React — and own them end-to-end. My focus is the parts most developers bolt on as an afterthought: interactive maps (Mapbox / Leaflet / Google Maps) and Meta / Google marketing-API integrations. 15 years, 50+ projects delivered, 100% Job Success. I work best on systems built to last and grow — but I'm just as happy taking a single, well-scoped task to start. ⚙️ FULL-STACK WEB PRODUCTS Laravel APIs paired with React frontends, built to last — not just to ship. From SaaS platforms and admin dashboards to a multi-brand CMS engine powering 15+ automotive dealer websites (Volvo, Mercedes-Benz, Alfa Romeo, Jaguar, Land Rover). 🗺 Interactive Maps — Mapbox / Leaflet / Google Maps API ◾ Custom maps: styled tiles, markers, plotting live data ◾ Map tools: drawing & editing shapes, measurements and calculations on the map ◾ Example: a solar-PV design tool with live roof mapping 🛠️ Meta Graph / Marketing API ◾ Lead capture: real-time leads delivered straight to CRM, email, or messenger ◾ Ad tooling: custom reporting logic, automated insights, campaign automation ◾ Publishing & analytics: posting to Instagram/Facebook (feed, stories), post & profile insights 🗃️ Google API ◾ Custom Looker Studio connectors ◾ Google Merchant Center feeds (recent project: 30k+ SKUs synced) ◾ Google Ads automation tools 💳 Payments ◾ Standard and custom Stripe / PayPal / Afterpay integrations However you want to start — a full build, a senior pair of hands on an existing codebase, or one focused task (a map feature, a Meta/Google API integration, a tracking or feed setup) — I'm easy to work with and quick to get going. Send a short note about your project, even a rough idea, and I'll tell you honestly how I'd approach it. 🤝 Thank you, Vitalii Komliev

🌍 GIS Developer Who Turns Location Data Into Systems That Cut Costs and Scale Operations | 15+ Years Most businesses sitting on location data don't have a system that actually uses it. I build the tools that change: - 🗺️ Interactive web maps and dashboards - 🧭 Route optimization tools - 🛰️ Real-time asset monitoring systems - 📊 Spatial analysis solutions for faster decision-making 💡 I don’t just write code. I focus on solving business problems by leveraging geospatial data to drive smarter decisions, reduce costs, and scale operations. 🚀 Track record: ✔ 15+ years in GIS & full-stack development ✔ 13,700+ hours worked ✔ 120+ milestones completed ✔ 90+ successful projects ✔ 55+ satisfied clients 🏆 Key achievements: ✔ Developed a Non-Emergency Medical Transportation (NEMT) platform with GIS features that helped the client win contracts and grow revenue by more than 30 times ✔ Built a GIS tool that reduced the duration of the land property development potential assessment by more than 1000 times (from days to seconds). ✔ Developed a service for automatic scheduling and routing shared rides, which increased the fleet capacity by more than 20%. These are examples of how GIS can create a measurable business impact. 🌐 Industries I serve: - 🚚 Logistics - 🚑 Healthcare & NEMT (Non-Emergency Medical Transportation) - 🏡 Real Estate & PropTech - 🌳 Environmental Monitoring & Sustainability - and beyond. 🛠️ My services - GIS consulting and discovery - Proof of concept for GIS solutions - Web GIS development - Mobile GIS development - Geospatial analysis - Object detection and recognition on satellite imagery 🤝 How I work Every project starts with understanding your business processes and goals. This allows me to design a solution that solves the actual problem. My development process is iterative and usually consists of the following stages: - Discovery: Analysis and specification of your business needs, project goals, data, and requirements; UI/UX design; high-level architecture design; cost estimation; and development planning - Implementation - Testing - Delivery After each iteration (typically 1–2 weeks), I provide a demo of completed features and incorporate your feedback. This approach reduces risks, improves transparency, and ensures we stay aligned with your goals. To improve quality, accelerate development, and reduce costs, I often involve other specialists from our team, such as a Business Analyst, a QA Engineer, a DevOps Engineer, and a Data Analyst. I also use AI tools to accelerate writing code. 🌐 Industry experience 🚚 Logistics & Healthcare Transportation ✔ Transportation request booking and management platforms ✔ Fleet management systems ✔ Route optimization ✔ Dispatch automation: Vehicle Routing Problems (VRP), Dial-a-Ride Problem (DARP) ✔ Cost optimization for Google Maps API ✔ GPS and ETA tracking ✔ Geofencing ✔ API integration with dispatch software ✔ Billing (EDI 837, 835) and payment processing 🏡 Real Estate & PropTech ✔ Integration of geospatial data from multiple sources ✔ Multi-layer map visualization (zones, cadastral data, infrastructure, etc.) ✔ Site selection and suitability analysis tools ✔ Automated geospatial reporting 🌳 Environmental Monitoring & Sustainability ✔ Map-based inventory management systems ✔ Satellite imagery processing and analysis ✔ Object recognition on aerial and satellite imagery using AI/ML ✔ Spatial analytics and decision-support tools ⚙️ Core skills ✔ GIS & Mapping: Mapbox, Leaflet, OpenLayers, Google Maps API, ArcGIS, OSM, OSRM, PostGIS ✔ Frontend: JavaScript, Vue.js, React ✔ Backend: Python, Node.js, PHP (Laravel, CodeIgniter), C# ✔ Databases: PostgreSQL, MySQL ✔ Other: AWS, Docker, API Integration, AI/ML, OpenCV, Data Scraping Other experience and skills: ✔ Development of ArcGIS (ArcMap, ArcGIS Server) extensions and tools ✔ Building GIS components that can be used in both desktop and web environments (ArcMap, ArcGIS Engine Runtime, ArcGIS Server based web applications) ✔ Implementation of fast boolean operations on large polygon sets (10+ millions) ✔ GIS Specialist ✔ Web GIS Developer ✔ Interactive Map Development ✔ GIS mapping ✔ Web mapping application developer ✔ Mapbox developer ✔ Mobile application developer ✔ Database architecture design ✔ Data analysis ✔ SaaS developer ✔ Logistics supply chain software developer ✔ Supply chain management system ✔ Transportation Management System ✔ TMS software developer ✔ Trucking logistics software developer ✔ Freight management system ✔ NEMT software developer ✔ Booking Management System ✔ Dispatch software developer 📅 Available: 09:00 - 19:00 (GMT+2) 👉 Let’s discuss your goals, challenges, or ideas and explore how geospatial technology can help your business grow.

I build fast, interactive web maps and data‑visualization dashboards for real estate, logistics, utilities, and city‑data products. 400+ completed projects on Upwork. What I deliver: Interactive maps: Mapbox GL / MapLibre / Leaflet / Google Maps / OpenStreetMap—3D, clustering, custom styling, high performance at scale. Data visualization: D3.js, deck.gl, three.js—charts, heatmaps, spatial dashboards that tell a clear story. Geo features: geocoding, routing, isochrones, drawing tools, spatial analysis (Turf.js, OpenRouteService). Full‑stack support when needed: React, JS, PHP/MySQL, API integrations, data scraping/ETL. My process: You share your use case, sample data, and must‑have interactions. I propose scope, architecture, milestones, and timeline (clear definition of done). You get frequent demos and measurable progress Send me a link to your current map (or a reference), sample data/source, and key interactions—I'll reply with a concrete plan and estimate.

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

🏆 Why I'm a Top-Rated Full Stack Developer & .NET Developer 8+ years as a Full Stack Developer and .NET Developer, 60+ web apps shipped for US, UK and EU clients
$60k+ earned on Upwork as a C# Developer and .NET Developer, 100% Job Success Score
 As a Full Stack Developer, I've shipped 40+ releases combining React, Angular and ASP.NET Core
 As a C# Developer, I cut API response times by 45% and infrastructure costs by 30% for a fintech client
As a .NET Developer, I migrated 3 legacy monoliths to .NET Core microservices, +70% deployment speed 💥 Recent win — as a Full Stack Developer and C# Developer, I rebuilt a logistics platform using .NET Core, Angular and MySQL, cutting order processing time by 55% and lifting client retention by 22%. 🟢 Most business platforms are slow, hard to scale and expensive to maintain. With 8+ years as a .NET Developer, C# Developer and Full Stack Developer, I architect scalable web developer solutions on .NET, Angular, React and Python stacks that turn technical debt into growth 🟢 ⭐️⭐️⭐️⭐️⭐️ "She's an outstanding .NET Developer and Full Stack Developer. Reliable, communicative, and delivers clean, production-ready C# code every time." 🎯 WHY CLIENTS CHOOSE ME AS A FULL STACK DEVELOPER I'm a Full Stack Developer, .NET Developer and C# Developer with full-cycle ownership — from database architecture and API design to pixel-perfect frontends. As a C# Developer, I write clean, testable code following SOLID principles, and as a Full Stack Developer I make sure the entire product actually works for your users. ✔️ .NET Core & C# — as a .NET Developer and C# Developer: scalable ASP.NET Core APIs, background services, .NET MAUI apps
 ✔️ Frontend — React, Angular, Vue.js, jQuery, built for speed and clean UX
 ✔️ Full Stack Development — as a Full Stack Developer, connecting .NET, Node.js and Python backends to JavaScript frontends
 ✔️ Web Developer Services — as a web developer, WordPress, Laravel and PHP sites alongside custom .NET apps
 ✔️ Database Architecture — MySQL, SQL Server, API Integration for data-heavy systems
 ✔️ Cloud & DevOps — Azure, AWS, Docker, CI/CD, supporting .net full stack developer and full stack developer react deployments 📊 RESULTS 🔶 Fintech Platform: as a .NET Developer and C# Developer, -60% transaction errors, 99.9% uptime via a full .NET Core rebuild
 🔶 E-commerce Marketplace: as a Full Stack Developer, React + .NET Core APIs, +28% checkout conversion, 3x page load speed
 🔶 Healthcare SaaS: as a senior .net developer, HIPAA-compliant rebuild, -40% manual admin work ⚙️ TECH STACK C#, .NET, .NET Core, .NET Framework, .NET MAUI, ASP.NET, React, Angular, Vue.js, Node.js, JavaScript, TypeScript, Python, PHP, Laravel, WordPress, HTML5, CSS 3, jQuery, Bootstrap, MySQL, SQL Server, Git, Azure, AWS, Docker, Software Architecture & Design, Agile Software Development, Desktop Application development 💼 EVERY PROJECT AS A FULL STACK DEVELOPER INCLUDES ▪️ Clean, well-documented C# and .NET code with automated testing
 ▪️ Direct communication, just a senior C# Developer / .NET Developer working on your project 
▪️ Ongoing support after launch as your long-term Full Stack Developer and .NET Developer partner 🏭 INDUSTRIES Fintech · Healthcare · E-commerce · Logistics · SaaS · Real Estate · EdTech 🔎 ALSO EXPERIENCED AS react developer · python developer · java developer · blockchain developer · mobile app developer · wordpress developer · full-stack web developer · python full stack developer · wordpress full stack · full stack developer react · c# .net developer · senior fullstack developer · .net full stack developer · senior .net developer · .net core developer · c developer · cs cart developer · qnap integration · c# wpf · c# angular · c# unity · javascript fullstack · fullstack web developer · full stake developer · c# game developer · full-stack development Each project covers a real client engagement, twice over: react developer dashboard + rebuild; python developer API + script; java developer module + fix; blockchain developer audit + integration; mobile app developer release + update; wordpress developer site + migration; full-stack web developer scope; python full stack developer work; wordpress full stack rebuild; full stack developer react integration; c# .net developer contract; senior fullstack developer judgment; .net full stack developer discipline; senior .net developer oversight; .net core developer debugging; c developer fixes; cs cart developer migrations; qnap integration fixes; c# wpf builds; c# angular dashboards; c# unity prototypes; javascript fullstack proofs of concept; fullstack web developer delivery; full stake developer projects; c# game developer credits; full-stack development results. 🚀 LOOKING FOR A RELIABLE FULL STACK DEVELOPER OR .NET DEVELOPER? 👉 Hire a proven .NET Developer, C# Developer and Full Stack Developer. 📅 Last updated: 06.07.2026

Javascript/Typescript | React / React.js Frontend Developer| Tailwind,Sass, CSS | API Integration | Saas & Business Apps| Dashboards, Maps & Data Visualization I’m a React.js developer with over 10 years of experience building scalable, responsive, and high-performance web applications. I help small and mid-sized businesses bring their ideas to life through custom React-based apps, interactive dashboards, and data-driven tools. 💡 What I Do I design and develop single-page applications (SPAs) from scratch using the React ecosystem — including React.js, React Router, Redux / Redux Toolkit, MobX, and TypeScript. My focus is on clean architecture, reusable components, and optimized rendering performance. I’ve built complex data visualization dashboards using Chart.js, Recharts, D3.js, and ECharts, as well as interactive map-based applications with Leaflet and Mapbox. Whether it’s financial analytics, agriculture monitoring, or business automation dashboards, I can create fast, intuitive interfaces tailored to your goals. 🧩 Key Technologies Frontend: React, React.js, Next.js, Redux, Redux Toolkit, MobX, React Router, TypeScript, JavaScript (ES6+), HTML5, CSS3 (SASS, styled-components), BEM Data Visualization: Chart.js, Recharts, ECharts, D3.js Maps: Leaflet, Mapbox, Google Maps API Backend (for integration): Node.js, Express, REST APIs, WebSockets Database: PostgreSQL, MongoDB Tools & DevOps: Git, Docker, Nginx, pm2, CI/CD pipelines ⚙️ Why Clients Choose Me ✅ React Specialist: I focus exclusively on React.js development, which means every component I build is optimized for performance and scalability. ✅ Data-Focused Apps: Strong experience building interactive dashboards and real-time visualization tools. ✅ Business Understanding: I’ve worked in finance, hospitality, agriculture, and data analytics, so I understand domain-specific requirements. ✅ Communication & Reliability: Transparent collaboration, quick responses, and consistent delivery. I hold an M.Sc. in Computer Networks and Systems and have a proven 90%+ job success rate on Upwork. If you’re looking for a React.js expert who can deliver clean, maintainable, and visually polished applications — let’s talk.