Hire the Best MXNet Developers

I specialize in building robust, end-to-end VPN ecosystems — from cross-platform applications to powerful admin panels and secure backend infrastructures. With years of hands-on experience across multiple VPN protocols and deployment environments, I deliver secure, scalable, and high-performance VPN solutions tailored to your exact business needs. 🛡️ Supported VPN Protocols: ✅ WireGuard – Lightning-fast, modern VPN protocol. ✅ OpenVPN – Battle-tested and widely compatible. ✅ IKEv2/IPSec – Ideal for mobile security and fast reconnects. ✅ OpenConnect / AnyConnect – Cisco-compatible enterprise-grade tunneling. ✅ Shadowsocks – Lightweight proxy for bypassing censorship. ✅ V2Ray / VLESS / VMess – Next-gen obfuscation and tunneling protocols. ✅ Trojan – TLS-based protocol for strong anti-censorship. 📱 Cross-Platform VPN Application Development: ✅ iOS (Swift / Objective-C) ✅ Android (Kotlin / Java / Flutter) ✅ Apple TV & Smart TVs ✅ macOS, Windows, Linux (native or hybrid) ✅ Browser Extensions (Chrome, Firefox, Edge) Premium Features Include: 🔒 Kill Switch 🔀 Split Tunneling 🧹 Ad & Malware Blockers 🌐 Custom DNS 💸 In-App Purchases (Stripe, Google, Apple) 📱 TV Login via QR Code 🔁 Auto Protocol Switching 🧠 Advanced Admin Panel & Backend Infrastructure: Designed with ISPs, VPN providers, and enterprise clients in mind, my Laravel-based admin panels include: 📊 Smart Dashboard: Real-time user activity, traffic stats, server status, and alerts. 👥 Client Management: Create, suspend, edit users; ticket support; manage devices. 🧾 Bulk Account Creation: Generate voucher/gift card accounts instantly. 🧑‍🤝‍🧑 Group & Subscription Control: Manage plans and group-level privileges. 🌍 Server Control: Add/manage VPN servers, view resource usage (CPU/RAM/BW). ⚖️ Load Balancing: Automatic traffic distribution for 99.99% uptime. 🛑 Downtime Alerts: Receive instant alerts via Slack, email, or SMS. 🔒 Decentralized Auth System: Keeps users connected even during API outages. 📈 Real-Time Monitoring: Accurate online user count & server performance tracking. 💳 Secure Payment Gateway Integrations: ✅ Stripe, PayPal – Seamless subscriptions and one-time payments. ✅ Crypto Payments – CoinGate, CoinPayments integration for privacy-focused users. Whether you're launching a white-label VPN service, need a corporate-grade internal VPN, or want a fully branded cross-platform app — I can deliver a secure, user-friendly, and feature-rich solution tailored just for you. 🛠️ Let’s build your VPN empire — with zero compromises on speed, privacy, or performance.

I help businesses build reliable, scalable communication systems and web applications by combining deep expertise in VoIP (3CX & Yeastar) with full-stack development and API integrations. With 6+ years of experience in 3CX, hands-on expertise in Yeastar Cloud PBX, and 3+ years in full-stack development, I specialize in delivering end-to-end solutions — from telephony infrastructure to CRM integrations and custom dashboards. 🔥 What I Can Do For You ☎️ VoIP & PBX Solutions (3CX + Yeastar) 3CX setup, configuration & troubleshooting (V18/V20) Yeastar Cloud PBX deployment & management SIP Trunk integration (Twilio, Telnyx, Flowroute, etc.) IVR, Call Queues, Ring Groups, Call Routing Predictive / Progressive Dialer setup Call recording, reporting & analytics Multi-tenant PBX architecture DID management & call flow optimization 💻 Full Stack Development Backend: PHP, Node.js, Golang Frontend: JavaScript, HTML, CSS, Bootstrap, Tailwind Database: MySQL, PostgreSQL Build scalable CRM systems & dashboards WebRTC / SIP dialer development Real-time systems & automation workflows 🔗 API Development & Integrations (Swagger/OpenAPI) REST API design & development Swagger/OpenAPI documentation CRM integrations (Zoho, Salesforce, Monday, etc.) Webhooks, automation, and data sync systems 🌐 WordPress Development Custom theme & plugin development Website optimization & speed improvements API integrations with WordPress Business websites & landing pages 💡 Why Clients Choose Me ✔ 6+ years in VoIP & telephony systems ✔ Strong backend + infrastructure understanding ✔ Fast troubleshooting & problem-solving ✔ Clean, scalable, production-ready solutions ✔ Excellent communication & long-term support 📌 Recent Work Highlights Built multi-company 3CX dialer system with CRM integration Deployed Yeastar Cloud PBX for international clients Developed VoIP analytics dashboards & call tracking systems Integrated Twilio / Telnyx with custom applications Created API-driven automation workflows using webhooks 🎯 Let’s Work Together If you need help with: Setting up or fixing your 3CX / Yeastar PBX Building a custom dialer or VoIP system Integrating APIs or CRM systems Developing a scalable web application 👉 Send me a message — I’ll provide a clear solution quickly.

• Software development in C# (.NET Framework, .NET Core, and .NET) with more than 11 years of experience. • Desktop application development in C#, primarily using WPF and WinDev. • Mobile application development using Flutter and Dart with 4 years of experience. • General knowledge of ASP.NET, Blazor, JavaScript, TypeScript, React, jQuery, Python, PHP and PowerShell scripting. • Advanced WPF application development using the MVVM architecture, including advanced Data Binding, creation of complex User Controls, control styling and templating, Dependency Properties, Attached Properties, and the use of components and frameworks such as DevExpress, Prism, Handy Controls, and ModernWPF. Experienced in debugging and visual inspection using Snoop. • Knowledge in Radzen Blazor and MudBlazor frameworks for web applications. • SQL databases: SQL Server, SQLite, PostgreSQL, and MySQL, with 11+ years of experience: Database design and implementation; Performance optimization through indexing and normalization; Stored Procedure design and development; Integration using Entity Framework 6 and Entity Framework Core. • REST API integration, including OpenAI API, Spotify Web API, College Scorecard API, DomainBox API, InternetBs API, Dreamscape Reseller API, and Hexonet API. Also experienced in maintenance, troubleshooting, and enhancements of ASP.NET Web APIs. • Use of AI-assisted development tools to accelerate coding tasks and solve unfamiliar technical challenges, including GitHub Copilot, Codex, ChatGPT, and Gemini. • Advanced querying using LINQ and Lambda Expressions. • Asynchronous programming (async/await) and background processing. • Source code management and version control using Git, GitHub, and Azure DevOps. • Implementation of authentication and authorization integrations with BambooHR (Auth0-based). • Processing, serialization, and deserialization of JSON, XML, and CSV data. • Excel (.xlsx) file generation and manipulation using ClosedXML. • Development of Google Chrome extensions using JavaScript. • Implementation of data encryption mechanisms for files and text. • Integration with Active Directory and Azure Active Directory through .NET libraries. • Task automation using Windows Task Scheduler and .NET libraries. • Experience with POS systems and peripheral device integrations with serial port communication (COM). • Previous experience with C++ and the Qt Framework, as well as basic Linux administration and Linux command-line usage. • Use of Adobe Photoshop to assist in application design tasks, including logos, UI mockups, and layout designs. About me: Software developer with over 11 years of experience designing and developing software across multiple programming languages, primarily .NET C#. Experienced in SQL database implementation, software debugging, troubleshooting, quality assurance testing, and technical documentation. Strong analytical and problem-solving skills for identifying and solving complex problems through efficient technological solutions. Committed and passionate about continuous learning, research, and process improvement, with the ability to quickly adapt to new technologies and work environments. Note: Not all projects are in my Portfolio. I mostly worked on private projects so is hard for me to show everything on what I've worked

Helped businesses deploy Microsoft Teams Phone, Genesys Cloud CX, SIP Trunks, and AudioCodes SBC solutions, reducing telephony issues and improving call reliability for contact centers and enterprise environments. Specialized in Microsoft Teams Phone, Genesys Cloud CX, SIP Trunking, and AudioCodes SBC with experience delivering cloud voice and contact center solutions for SMB and enterprise customers. 🔹 Microsoft Teams & Voice Solutions ✔️ Microsoft Teams Direct Routing ✔️ Operator Connect & Calling Plans ✔️ Auto Attendants & Call Queues ✔️ PSTN Integration & SBC Configuration ✔️ Multi-provider SIP failover routing 🔹 VoIP & Contact Center Expertise ✔️ SIP, E1, PRI integrations ✔️ AudioCodes SBC configuration & troubleshooting ✔️ Genesys Cloud CX (BYOCC, SIP Trunks, Routing) ✔️ Call recording & voice security ✔️ VoIP troubleshooting (RTP, TLS, SRTP, QoS) 🔹 Cloud & Infrastructure ✔️ AWS & Azure deployments ✔️ Hybrid cloud architecture ✔️ VPNs, Firewalls, Load Balancers ✔️ DNS, SPF, DKIM, DMARC & Email deliverability ✔️ High-availability & secure network design

Senior .NET Developer with 6+ years building scalable, secure, and high-performance web applications for US enterprise clients in healthcare, finance, ERP, and data security. Specializing in C# .NET, ASP.NET Core, .NET Core, and .NET 8 with deep expertise in microservices architecture, REST API development, and Azure cloud deployments. CORE .NET DEVELOPER SKILLS ✅ C# .NET Developer: ASP.NET Core, .NET Core, .NET 8, .NET Framework ✅ REST API & Microservices: Web API, Minimal APIs, Clean Architecture ✅ Auth & Security: Keycloak, JWT, OAuth2, OIDC, RBAC ✅ Cloud & DevOps: Azure, Azure Functions, Docker, CI/CD, Azure DevOps ✅ Databases: SQL Server, PostgreSQL, MySQL, MongoDB ✅ Frontend: React, Angular, TypeScript, TanStack Query, Material UI ✅ Observability: Serilog, OpenTelemetry, Centralized Logging ✅ Testing: xUnit, NUnit, Integration Testing ⭐ WHY CLIENTS HIRE ME AS A .NET DEVELOPER ✔ 100% Job Success, 5 stars on every contract ✔ Reduced API response times by 32% at iCareManager ✔ Boosted legacy .NET performance by 35% at Autymate ✔ Cut deployment time by 45% via Azure DevOps CI/CD ✔ US remote experience, EST/PST time zone friendly ✔ 0–3 hour response time, proactive communication 🏆 .NET DEVELOPER PROJECT HIGHLIGHTS ▸ iCareManager: ASP.NET Core microservices, Keycloak OIDC/OAuth2, Serilog/OpenTelemetry logging, Linux/PostgreSQL deployments, CI/CD pipelines, 32% faster APIs, 45% faster deploys ▸ Autymate (US): .NET to .NET 8 migration (+35% performance), Azure Functions bug fixes (-40% failures), JWT REST APIs, ADO.NET Unit of Work, CI/CD pipelines ▸ Healthcare Platform: .NET 6 + React full-stack: patient intake, scheduling, RBAC, clinical docs, inventory, 5-star rated ▸ Data Security Platform: FTP monitoring, AES-256 encryption, Hangfire job queues, MSSQL, 50% security improvement 🛠 C# .NET DEVELOPER TECH STACK Backend: ASP.NET Core | C# .NET | .NET Core | .NET 8 | .NET Framework Web API | Minimal APIs | Entity Framework Core | Dapper | ADO.NET Security: Keycloak | JWT | OAuth2 | OIDC | RBAC | Custom Authenticators Cloud: Azure | Azure Functions | Azure DevOps | Docker | CI/CD | Linux DB: SQL Server | PostgreSQL | MySQL | MongoDB Frontend: React | Angular | TypeScript | TanStack | Material UI Testing: xUnit | NUnit | Integration Testing 🏥 DOMAINS Healthcare & EHR | FinTech | ERP | Data Security | E-Commerce | Workflow Automation 📩 Message me, I respond within a few hours.

Senior Full-Stack Engineer with 10+ years building mobile, web, AI, desktop, and IoT applications. I help startups and enterprises ship MVPs and scale apps 2x faster, with expertise in performance, reliability, automation, and cross-platform delivery. Core Expertise • Mobile & Desktop: Android, iOS, React Native, Kotlin, Swift, Tizen, WebOS, C++, C#, Delphi • Web & Backend: Node.js, .NET, TypeScript, JavaScript, Python, Java, Go • AI & Data: LLMs (RAG pipelines, Ollama, OpenAI, Anthropic APIs), LangChain, Hugging Face, TensorFlow, PyTorch, spaCy, Scikit-learn • Automation & Orchestration: n8n, Zapier, Make (Integromat), Airflow, Monday, CI/CD pipelines • Media Processing: OpenCV, FFmpeg, real-time video/audio streaming • IoT & Devices: Bluetooth, NFC, Alexa integration, Thermal Imaging • Cloud & Enterprise: AWS, Azure, Google Cloud, Firebase, MS Graph, REST, WebSockets, SSO (SAML, Keycloak) • DevOps: Git, Docker, Jenkins, Fastlane, Visual Studio, Xcode Specialized Solutions • Real-time video/audio solutions (FFmpeg, OpenCV, WebRTC) • AI-powered apps with LangChain, Hugging Face, n8n automations, and RAG pipelines Workflow automation with n8n, Zapier, Make, Airflow • IoT device integration (Bluetooth, NFC, Alexa) • Secure enterprise integrations (MS Teams, SSO, Keycloak) • Scalable backends & APIs (Node.js, .NET, Firebase, GraphQL)