I am a Full Stack Web & Mobile App Developer with expertise in Web Development, iOS & Android App Development (Top 3%), maintaining 100% Client Satisfaction on Upwork and successfully delivering hundreds of projects across industries.
I am a Top-Rated Plus Mobile App Developer specializing in Flutter, React Native, iOS (Swift), Android (Kotlin) and Full-Stack Application Development. I build AI-powered mobile apps, real-time video streaming platforms, SaaS products, MVPs and on-demand service applications with scalable backend architectures using Node.js, NestJS, Laravel and Firebase.
I have had the opportunity to work with numerous startups, scale-ups and enterprises, helping them design, develop, launch and scale high-performance mobile and web applications that work flawlessly across devices.
โ I Can Help You With:
- Mobile App Development with Web Admin Panel
- MVP Development & SaaS Application Development
- API Development & Third-Party Integrations
- Node.js / NestJS Backend for Mobile & Web Apps
- Laravel / PHP Backend Development
- Firebase Integration (Auth, Firestore, Cloud Functions)
- Payment Gateway Integration (Stripe, Razorpay, PayPal)
- Real-Time Chat, Notifications & WebSocket Integration
๐ก Having Expertise In:
- AI-Powered Mobile Applications
- Real-Time Video Streaming Apps
- Live Streaming & Video Sharing Platforms
- E-Learning & EdTech Applications
- E-Commerce & Marketplace Apps
- On-Demand Service Apps (Taxi, Food, Delivery, Booking)
- Chat & Social Networking Apps
- SaaS & Subscription-Based Platforms
- Gamified Mobile Applications
- AR/VR Mobile App Development
- IoT & BLE-Based Mobile Applications
๐ฏKey Milestones:
๐ Rewarded as ๐ ๐ง๐ข๐ฃ ๐ฅ๐๐ง๐๐ ๐ฃ๐๐จ๐ฆ ๐ by Upwork (๐ง๐ผ๐ฝ ๐ฏ%)
๐ 7000+ personal hours on Upwork and still counting
๐ 100000+ agency hours on Upwork and still counting
๐ 100% Job Success (Client Satisfaction Ratio)
๐ 500+ jobs completed successfully as an Agency
๐ฏ Checkout my portfolio of apps on Upwork: Over the past decade, I have honed my skills in developing a diverse array of iPhone and Android applications Development
โ Health and Fitness Apps
โ GPS/ Geo Location Apps
โ Trade Apps
โ Homeowner/Contractor App
โ Artificial Intelligence based Apps
โ Bluetooth / BLE Integration Apps
โ Food Delivery Apps
โ Nutrition Planning Apps
โ Restaurant Search Apps
โ Salon Booking Apps
โ Gym Booking Apps
โ Taxi Apps
โ AI Powered Apps
โ E-commerce Apps
โ Dating and TikTok Style Apps
โ Video Streaming, Voice Calling, Chat and Messaging Apps
โ Real Estate Apps
โ Driver Instructor Finding Application
โ Hotel and Travel Booking Apps
โ E-Learning Mobile Application
โ Wellness & Meditation Application
โ NDI's Industry Applications
๐ฏ Areas of Expertise
โ Mobile App Development: Swift, Objective C, Kotlin, Java, Jetpack
โ Cross-Platform App Development: Flutter (Dart), React Native
โ Backend Development: Node JS, Nest JS, Laravel, PHP, Express
โ Frontend Development: React JS, Next JS, Angular, HTML5, CSS3
โ API Development & Integrations: REST APIs, AWS Lambda, API Gateway
โ Databases & Cloud Storage: MySQL, MongoDB, Firebase, DynamoDB
โ Real-Time App Features: Socket IO, Firebase Real Time Database, Twilio
โ Payment Gateway Integration: Stripe, Razorpay, PayPal, Braintree
โ Maps & Location Services: Google Maps, Apple Map Kit, GPS Tracking
โ Version Control & Collaboration: GitHub, Bitbucket, GitLab
I specialize in no-code/low-code development and AI integrations, allowing you to launch faster while keeping costs low without compromising quality.
Additional Services that i am offering:
- 6 Months Free Maintenance once the apps goes live on apple store and Google play store
- Ownership/iP rights from the day one uploaded on the Client Github
- Regular Updates & Scrum meetings.
- Following Agile Scrum Methodology from day one
- Strictly adhering to the Apple Guidelines and Google Guidelines.
- Taking Complete responsibility of Deployment on both Apple store and Google Play store.
I specialize in no-code/low-code development and AI integrations, allowing you to launch faster while keeping costs low without compromising quality.
I work with tools like Bubble, FlutterFlow, Webflow and integrate powerful AI solutions using Claude, GPT and OpenAI APIs to build smart, automated systems.
๐น What I Do
- Full Stack Web & Mobile App Development
- No-Code / Low-Code Development (Bubble, FlutterFlow, Webflow)
- AI App Development & Integration (Claude AI, GPT-4/5, OpenAI API, Chatbots, Automation)
- SaaS Application Development (Subscription Models, Multi-Tenant Systems)
- API Integration (Payment gateways, third-party services)
- Dashboard & Admin Panel Development
- Workflow Automation (Zapier, Make, AI Automation Systems))
- UI/UX Design (Figma)
๐ Letโs start with a FREE 15โ30 minute consultation to discuss your project and define the best approach.
Contact us today to discuss your projectย requirements.
Flutter
iOS Development
Smartphone
User Profile Creation
Android App Development
iOS
Mobile App Development
Chat & Messaging Software
User Authentication
Hybrid App Development
In-App Purchases
Web Development
React Native
Android
AI Chatbot
React
JavaScript
iPad App Development
API
API Integration
Jon Paul D.
Mabalacat City, Philippines
$20/hr
5.0
13 jobs
I help businesses build, optimize, and manage enterprise-grade contact center solutions using RingCentral and NICE CXone.
With 8,000+ hours worked and $100K+ earned on Upwork, I specialize in designing reliable IVR systems, intelligent call flows, routing logic, and customer support automation for both small businesses and large enterprises.
What I Can Help You With:
โ RingCentral UCaaS & CCaaS setup and administration
โ NICE CXone / InContact development and support
โ IVR and call flow design
โ Studio scripting and automation
โ Omnichannel customer support solutions
โ API integrations and workflow automation
โ Technical troubleshooting and platform support
โ Contact center optimization and reporting
โ Post-implementation support, maintenance, and system optimization
Why Clients Work With Me:
โ Certified and experienced contact center engineer
โ Strong communication and project ownership
โ Fast problem-solving and reliable delivery
โ Able to manage projects from planning to deployment
โ Ongoing support available after implementation
I focus on building scalable, user-friendly customer experience solutions that improve efficiency and customer satisfaction.
Letโs discuss how I can help your business.
Desktop Support
NICE
VoIP Administration
VoIP Software
inContact
Call Center Management
Avaya
Implementation
Implementation Plan
RingCentral Glip
Dialpad
Back-End Development
Front-End Development
Business with 10-99 Employees
Business with 100-999 Employees
Chris C.
Portage, Michigan
$130/hr
5.0
74 jobs
๐ Expert Vetted - Top 1% of talent on Upwork
โญ๏ธ Top Rated - Highly rated for the work provided
๐ฏ 100% Job Success Score
๐ 600+ hours on Upwork
โ 30+ years of experience
โ 50+ projects delivered here on Upwork
With over three decades of experience under my belt as a network and security engineer, I've traversed the ever-evolving landscape of LAN/WAN network design, network security, firewalls, implementation, and maintenance.
My expertise is not merely a testament to time, but also backed by credentials including Cisco CCNP (route/switch), a Cisco CCDP for network design, and a PCNSE for Palo Alto Networks.
I am always available for consulting for short-term and long-term projects.
Thank you.
Network Engineering
Computer Network
VPN
Firewall
Cisco ASA
VMWare
Security Engineering
Palo Alto Firewalls
Cisco Certified Network Professional
Ubiquiti
Wireless Communication
VoIP
Virtual LAN
Network Design
Cisco Router
Cisco Certified Network Associate
Gil A.
Lipa City, Philippines
$100/hr
4.7
113 jobs
Top Rated Plus, Experienced Network Engineer & Network Operations Manager
With โญ๏ธ over a decade โญ๏ธ of experience in network engineering and operations, I bring a wealth of expertise to meet your business needs. As a seasoned Network Engineer, I have successfully handled clients across the globe, ensuring robust and efficient network solutions.
โถ๏ธ PROFESSIONAL BACKGROUND:
Former Global Network Operations Manager at one of the largest BPOs worldwide.
Led a team of network professionals to manage and optimize global infrastructures.
โถ๏ธ SPECIALIZATIONS:
1. โญ๏ธ Unifi/Ubiquiti: Cloud gateways, routers, switches, access points, and cameras.
2. Cisco: Routers, switches, access points, firewalls (ASA and FTD), ISE, SD-WAN, DUO, and Umbrella.
3. โญ๏ธ VPN Expertise: AnyConnect, Secure Client, Wireguard, OpenVPN, IPSec VPN, and SSL VPN.
4. Meraki: Access points, switches, and routers.
5. Palo Alto Firewalls
6. Sonicwall Firewalls
6. Linux Servers
7. Synology NAS
โถ๏ธ CERTIFICATIONS:
โ CCNP
โ CCNA Security
โ Lean Six Sigma Yellow Belt
โถ๏ธ WHY CHOOSE ME?
Proven track record of delivering high-quality network solutions.
Extensive experience with a variety of network technologies and platforms.
Committed to providing exceptional service and support to ensure your network's success.
Microsoft Azure
Cisco ISE
Cisco Certified Network Associate
Cloud Engineering
Ansible
Troubleshooting
Cisco Router
Cloud Implementation
Cisco Meraki
Cisco Certified Internetwork Expert
Cisco WLC
Cisco IOS
Cisco ASA
Cloud Architecture
Amazon Web Services
Mohammad A.
Jeddah, Saudi Arabia
$20/hr
5.0
1 jobs
๐จโ๐ป ๐๐ฏ๐ผ๐๐ ๐ ๐ฒ
Expert Developer Team Lead & Technical Project Manager specialized in building and scaling ride-hailing applications, on-demand mobility platforms, and fleet management solutions. I deliver high-throughput systems featuring real-time GPS tracking, seamless maps API integration, and resilient, highly scalable backend architectures.
๐บ๐ฆ ๐ณ๐๐น๐น-๐๐๐ฎ๐ฐ๐ธ ๐ฑ๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐ฒ๐ฟ๐ ๐๐ธ๐ฟ๐ฎ๐ถ๐ป๐ถ๐ฎ๐ป ๐๐ฒ๐ฎ๐บ
High-Performance Tech Stack & Engineering Skills:
๐ฑ Mobile Development: Flutter cross-platform, Native iOS (Swift), and Native Android (Kotlin).
๐ Backend Engineering: PHP (Laravel/Symfony), high-performance RESTful APIs, and GraphQL.
๐ง System Architecture: Microservices, event-driven architecture, and robust system design.
๐บ๏ธ Geospatial Tech: Google Maps API, Mapbox, Geolocation, geofencing, and live tracking.
๐ DevOps & Infrastructure: GitLab CI/CD, version control, Docker, and automated deployment pipelines.
๐ง ๐ช๐ต๐ฎ๐ ๐ถ ๐ฑ๐ผ?
I bridge the gap between business vision and technical execution by managing the entire Software Development Lifecycle (SDLC):
๐ฏ Technical Strategy: Product roadmap planning, MVP definition, and technical feasibility analysis.
๐จโ๐ป Agile Leadership: Scrum/Kanban management, sprint planning, and cross-functional team leadership.
โก Performance Optimization: Designing high-concurrency databases, data caching, and low-latency systems.
๐ Global Collaboration: Coordinating international stakeholders, distributed teams, and client management.
๐ Project Delivery: Managing risks and scopes to deliver complex, large-scale apps under tight deadlines.
๐ฅ ๐๐ ๐ฝ๐ฒ๐ฟ๐ถ๐ฒ๐ป๐ฐ๐ฒ ๐๐ถ๐ด๐ต๐น๐ถ๐ด๐ต๐๐
A track record of turning complex logistics concepts into high-performing, production-ready platforms:
๐ Ride-Hailing Solutions: Developed scalable, Uber-like applications with highly accurate live GPS tracking.
๐ก Real-Time Dispatching: Built intelligent matching algorithms and real-time data streaming backends via WebSockets.
๐ Full-Stack Delivery: Directed engineering operations from initial UI/UX wireframes to final production deployment.
๐งฑ Scalable Architectures: Migrated legacy backends into modular, horizontal-scaling cloud architectures.
Ready?
๐ ๐๐ฒ๐'๐ ๐ฏ๐๐ถ๐น๐ฑ ๐๐ผ๐บ๐ฒ๐๐ต๐ถ๐ป๐ด ๐ด๐ฟ๐ฒ๐ฎ๐ ๐๐ผ๐ด๐ฒ๐๐ต๐ฒ๐ฟ!
Feel free to contact me,
๐ฉ Click the "Message" or "Invite" button to discuss your project requirements.
๐ก ๐๐ฒ๐๐๐ผ๐ฟ๐ฑ๐
Technical Management: Agile Project Management, Scrum Master, Technical Product Ownership.
Mobility & Logistics: On-Demand Delivery, Fleet Tracking, Route Optimization, Distance Matrix.
Backend & DevOps: Database Optimization, CI/CD Pipelines, Cloud Infrastructure, System Scalability.
Soft Skills: Technical Mentorship, Client-Facing Communication, International Team Leadership.
Web Development
Flutter
Kotlin
PHP
Node.js
Figma
UX & UI
Mobile App Development
QA Testing
Swift
HTML
CSS
JavaScript
Java
Landing Page
SMTP
WordPress
React Native
Google Maps
Mapbox
Musheer Mansour Abdul Kareem M.
Sanaa, Yemen
$15/hr
5.0
2 jobs
ISP Network Engineer with 10+ years of experience in GPON, MikroTik, Linux, DNS, Email Infrastructure, and Hosting Operations.
I have more than 10 years of hands-on experience operating real production environments, including an FTTH network, MikroTik routing platforms, GPON OLT systems, SmartOLT automation, hosting infrastructure, and business email systems.
Recently received a 5-star Upwork review for DNS, Email Infrastructure, and Technical Operations support, with client feedback highlighting quality, problem-solving, and technical expertise.
My experience comes from real operational environments rather than lab-only setups. I work daily with customer provisioning, PPPoE services, network troubleshooting, DNS management, hosting infrastructure, and email delivery systems.
ISP & Network Operations
โข MikroTik RouterOS Administration
โข GPON OLT Administration (ZTE C620 / C650)
โข SmartOLT Deployment & Automation
โข ONU Provisioning & Troubleshooting
โข PPPoE Services & Subscriber Management
โข VLAN Configuration, Routing & Switching
โข VPN & WAN Failover Solutions
โข ISP Customer Provisioning & Operations
Linux, Hosting & DNS
โข Ubuntu Linux Administration
โข VPS & Hosting Management
โข cPanel & WHM Administration
โข DNS Troubleshooting & Migration
โข Cloudflare Administration
โข SSL Certificates
โข Website & Email Migration
โข WordPress Hosting & Troubleshooting
Email Infrastructure
โข Microsoft 365 Administration
โข Google Workspace Administration
โข SPF, DKIM, DMARC & MX Records
โข Email Deliverability Troubleshooting
โข Email Routing & Forwarding
โข SMTP Configuration
I focus on identifying root causes, solving technical issues efficiently, and building reliable solutions that work in real production environments.
Available for GPON, MikroTik, SmartOLT, Linux, DNS, Email Infrastructure, Hosting, WordPress, ISP Operations, and Network Troubleshooting projects.
Linux System Administration
VPN
Routing
TCP/IP
Network Administration
Telecommunications Engineering
API Development
MikroTik RouterOS
Twilio API
DNS
WordPress
Hosting Setup
Email Deliverability
API Integration
cPanel
Fiber Optics
GoDaddy
Google Workspace
Domain Migration
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