I ship games and interactive experiences that work. 7 years of C# development. Started building diagnostic software for nuclear power plants - zero-crash systems where bugs aren't an option. Now I bring that same reliability mindset to game development. What I've built: Solo-developed action roguelite on Steam - custom roguelite progression, AI with dynamic difficulty, runtime world generation, ability system with ultimates, hero stats and leveling, state machines for game flow, zero-allocation async with UniTask, custom Service Locator architecture, shaders and VFX. 3D educational kids game (12 levels) - arcade gameplay, story progression, full development cycle. VR/XR projects - live 360 streaming for Oculus Quest, interactive experiences for Apple Vision Pro with asset streaming via AssetBundles and backend integration. Mobile - 3D boat simulator with 4-engine physics and water dynamics, 2D puzzle game with time-stop mechanics, quiz apps with full REST API integration. Technical toolkit: Core: C#, OOP, SOLID, Design Patterns, State Machines, Custom Service Locator, Zenject. Unity: DOTween, UniTask, A* Pathfinding, ScriptableObjects, Shader Graph, VFX Graph, Particle Systems, AssetBundles. UI: DoozyUI, TextMeshPro. Backend & Services: REST API, Firebase (Auth, Firestore, Realtime DB, Analytics, Cloud Functions), Facebook SDK. Monetization: Unity Ads, AdMob, IAP. Tools: Git/GitHub, EasyRoads3D, terrain systems. Optimization: Mobile profiling, CPU/GPU bottleneck fixing, instancing, app size reduction (5x). How I work: I write code like it's going to a power plant - clean, stable, no surprises. I care about the product, not just the paycheck. Details matter. Available for: Full game development, prototypes, porting, bug fixing, optimization, and live ops support.

Professional Full Stack Developer with 15+ years of experience developing Web, Cloud (SaaS), and Desktop applications, in .NET Core and .NET Framework, mastering the following languages and technologies: ▪ Microsoft Azure, C#, ASP.NET, Razor, MVC, Web API, Entity Framework, WebForms. ▪ HTML5, CSS3, JavaScript, JQuery, Bootstrap. ▪ SQL Server, MySQL, PostgreSQL, Oracle. ▪ Winforms Desktop. I've been working with Microsoft Azure Cloud technologies for 12+ years: ▪ SaaS and multitenant cloud applications. ▪ Azure AppServices and FunctionApps implementation. ▪ Production/staging/development environment life-cycle strategies. ▪ SQL Azure implementation and recovery strategies. ▪ Azure Active Directory, and Users management. ▪ CI/CD strategies and GIT/TFS integration. ▪ and more... Also, I've worked with dozens of APIs and libraries, including but not limited to: ▪ Twilio, Stripe, SendGrid, MailChimp, MailKit. ▪ Google Maps, GeoJSON, Adobe PDF, Sway. ▪ ShareFile, SSH.NET. ▪ Swagger, AutoMapper, Mediatr, CSVHelper. ▪ Selenium, Bogus, Moq, NLog, Serilog, NUnit, XUnit. ▪ Bootstrap, JQuery, DataTables.js, Chart.js, Flot.js, PerfectScrollbar. Highly skilled in Database development, and data migration/transformation: ▪ T-SQL programming: Stored procedures, functions, and cursors. ▪ Data migration, Integration, and Reporting Services SSIS/SSRS. ▪ DB normalization and optimization. As a senior developer, I'm used to working with the majority of software architectures, design patterns, and methodologies, like: ▪ DDD, Clean Architecture, Microservices, N-Tier Layers, Event-Source Driven. ▪ Dependency Injection, Repository, MVC, Factory, Mediator, and more. ▪ DevOps, CI/CD, Jira, ClickUp, GitHub, GitLab, TFS, Tortoise SVN. ▪ Methodologies: Scrum, Agile, CMMI, RUP.

Highly Experienced & Senior Full Stack Developer With over 6 years of proven expertise in full-stack development, I have a strong track record of delivering impactful web applications that meet client needs. I specialize in high-performance technologies, including C#, .NET, React, and Node.js, to ensure robust, scalable, and efficient solutions. 𝐖𝐡𝐲 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞? - Proven Success: Completed numerous projects valued over $30K, with more than 1,600 hours of quality work. - End-to-End Solutions: From initial concept to deployment, I handle the full development lifecycle with precision. - Custom-Tailored Development: Unique solutions designed specifically for your business goals and requirements. 𝐊𝐞𝐲 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬: 🔹 ConnectBooks Purpose: Financial automation for Amazon + QuickBooks users Tech: C#, .NET Core, React, SQL Server, QuickBooks/Amazon APIs Result: Real-time financial syncing & simplified bookkeeping 🔹 Truckoom Purpose: Fleet tracking and logistics management Tech: Node.js, Angular, PostgreSQL, WebSockets Result: Real-time vehicle tracking & improved logistics efficiency 🔹 Ancera Insight Engine Purpose: Healthcare data analysis and diagnostics Tech: ASP.NET Core, Blazor, MongoDB, Azure Result: Secure, HIPAA-compliant insights with rich UI 🔹 Pacific Shores Recovery Purpose: Rehab center operations and patient management Tech: ASP.NET MVC, Bootstrap, jQuery, SQL Server Result: Streamlined scheduling and patient record system 🔹 PricklyBear Purpose: Interactive learning and storytelling platform Tech: React, Node.js, Firebase, GraphQL, WebSockets Result: Engaging, multiplayer educational experience 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐏𝐫𝐨𝐟𝐢𝐜𝐢𝐞𝐧𝐜𝐢𝐞𝐬: 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬: C#, .NET Framework/Core, ASP.NET MVC/Web API, Node.js 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬: React, Angular, TypeScript 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬: SQL Server, MySQL, PostgreSQL, MongoDB 𝐀𝐏𝐈 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬: Google, Stripe, PayPal, AWS, Azure 𝐐𝐮𝐞𝐫𝐲 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬: SQL, GraphQL 𝐖𝐞𝐛 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬: RESTful APIs, WebSockets, AJAX 𝐇𝐨𝐰 𝐈 𝐖𝐨𝐫𝐤: - I believe in teamwork - we'll work together closely and I'll keep you updated every step of the way. You'll always know what's happening with your project. - I take pride in delivering work on time and building solutions that actually last. My code is clean, easy to maintain, and can grow with your business. Let's chat about your project! I'd love to hear your ideas and explore how we can make them happen using the right tech solutions. Best regards, Shaheryar Ghous Senior Full Stack Developer | C#, .NET | React | Node.js | API Integration ------------------------------------------------------------------------------------------------ Keywords and skills: Full Stack Development Skills #ASP.NET Core #ASP.NET #ASP.NET Web API #AngularJS #Angular #.NET Framework #ASP.NET MVC #Databases #SQLite #MySQL #Microsoft SQL Server #Web Servers #Microsoft IIS #Full Stack Development Deliverables #API Integration #Web Application #Database Development #Web Development #Full Stack Development Languages #Transact-SQL #SQL C# #JavaScript Top skills: #ASP.NET MVC C# #ASP.NET Core #.NET Framework #Web Development #ASP.NET Web API #Microsoft SQL Server #Microsoft Azure #.NET Core #SQL #ASP.NET #Angular #React #Node.js #JavaScript

✅ Lead System Design Engineer with 14 years' of experience ✔︎ TOP RATED PLUS | 80+ happy customers 🚀 Providing turn-key solutions from idea to production: Electronics, Firmware, Mobile Software, Prototyping, and Manufacturing. HARDWARE: - Schematic Design: Digital Systems, Analog boards, Power electronics. - Environment: Altium Designer, Kicad - PCB Layout: 1 - 18 layers, 3D View, and Manufacturing Service in JLCPCB and PCBWAY - Outputs: Component selection, BOM generation, Manufacturing documents. FIRMWARE: - FPGA firmware in VHDL on Xilinx/Altera FPGA and SoC, - MCU firmware in C/C++ for ARM, ST, TI, NXP, Atmel, PIC, Arduino, PSOC, ESP32, and NRF series. - Bluetooth, Bluetooth Low Energy (BLE), and wireless module programming. SOFTWARE: - Embedded Linux Yocto, Buildroot, Busybox - Embedded coding bare-metal C, Freertos, ThreadX, UC-OS - QT C++ - Mobile apps: native apps for Android (Java) - Backend: Python - User interface (UI, UX) PROTOTYPING: - PCB Prototype manufacturing, debugging, and validation; - Consultation on any aspect of design and manufacturing. HIGHLY SPECIALIZED IN **************************************************** AUTOMOTIVE / ELECTRIC VEHICLES: - Body Control Module (BCM) - Requested Wireless System - Powertrain Engine Control Unit (Gasoline/Diesel ECU) - Door Control Unit - Canbus Gateway TCP/IP (CANFD) - Instrumental Cluster for Infotainment - Entertainment Systems with the application processor - Video capture and monitoring systems CONSUMER: - IoT projects, sensors, wearable electronics, smart-home systems - Medical Electronic Goniometer INDUSTRIAL: - High-reliability systems for critical applications (Robotics, Oil and Gas, Automation); - Micro-controller and FPGA-based control systems - Power Supplies (AC/DC/AC) and Electric Drives (240/480VAC) - MPPT and Inverter for energy conversion systems - Analog Video: CVBS, Composite, PAL, NTSC, AHD - Digital Video: CSI2, DSI, TI FPD-Link3, HD/3G-SDI WIRELESS: - Bluetooth and BLE-enabled devices (Bluetooth 4.0/4.2/5.0, BLE) - 2.4Ghz radio transmitters (WiFi, Bluetooth, Radio) - GSM Tracking system - GPS capture module - LORA Products ************************************************** *MCU* : Freescale MPC55xx/MPC56xx, ARM Cortex M3/4 - ARM A8/9, Motorola 68HC11, Motorola 68HC12, TI DSP TM320C6713, TI CC2530 8051RF Cores, iMX51/53/6/8 Multimedia Processors, TI Sitara AM335 Industrial cores, Intel Atom, Infenion TC389/399, STM32 M0/M4/F7/H7, MSP430, Ambarella S5L, Nextchip NVP6134, NVP6324 AHD, ESP32, NRF52, PSOC6. *Operating Systems* : Embedded Linux, RTOS *FPGA and SoC* : VHDL, Quartus, Xilinx ISE, Vivado. Xilinx Spartan-3/6, Zynq-7, Ultrascale MPSOC. *RADAR* : Acconeer A111, A121 Innosent SMR RFBeam CDM324 *BLUETOOTH* : TI CC series, Microchip RN42 *Communications* : TCP/IP, RS232, RS422, RS485, CAN-BUS, SPI, I2C, One wire, QSPI, Modbus *Testing* : Vectorcast, Polyspace Unit Test, QAC Statical Code Analysis *Development Environment* : CodeWarrior, Eclipse, Visual Studio, QT, Keil, IAR, Understand *Configuration management* : SVN, JIRA, IBM Rational DOORS, IBM Clearcase/ClearQuest *Specialties* : DO-178C certification, aerospace, real-time software, model-based software design, HMI design, powertrain control units, ETPU, Automotive fault management regulations (OBD, J1939) and routines, Video capturing and monitoring interfaces such as MIPI csi2, dsi, and dual lvds. Developing high-volume electronic devices, IoT products Tags: Electrical Engineer, Electronics, Hardware Design, Firmware Development, PCB Design, PCB Layout Service, Board Layout, Schematics, Altium Designer, IoT, Internet of Things, Power Electronics, Bluetooth, BLE, TI, Texas Instruments, Freescale, NXP, FPGA, SoC, VHDL, Verilog, Xilinx, Altera, VHDL, C, C++, MCU, RTOS, Microcontroller, prototype, validation, Enclosures, BMS, SolidWorks, Android, Java, Mobile Apps, Database, Python. Services: - Embedded software design in C/C++, - PCB schematics and layout design, all fabrication outputs will be provided, - GUI design with Qt C++, - Embedded component search, - Engineering system design, - Android and IOS application development for Embedded devices, - IoT, Gateway, PLC automation for industry-grade projects, - Embedded Linux device driver, root file system, video streaming, qt embedded, etc. - Camera and video monitoring system design - FPGA SW design - Hardware Design/Component BOM - Turnkey Product Design

Experienced and reliable full-stack .NET developer with over 15 years of professional experience in designing, developing, and maintaining scalable web applications. I have successfully completed 65 contracts on Upwork, earned over $300,000, and logged more than 15,000 hours, delivering consistent results to clients worldwide. My technical Expertise Includes: - ASP.NET MVC, C#, .NET Framework - .NET Core (3.1, 5, 6, 7, 8 and newer) - Blazor (WebAssembly and Server) - AngularJS, Angular 2+ (including 4, 6, 7, 8), TypeScript - JavaScript, jQuery, HTML5, CSS3 - RESTful APIs, Web API 2, SOAP Integration - Selenium Web UI Automation - Telerik, Kendo UI, DevExpress, Infragistics Controls - QuickBooks API Integration and Custom Development - Third-party integrations: UPS, FedEx, DFL, and Social Media APIs Strengths: - Proven track record of long-term client relationships - Strong problem-solving skills with clean, maintainable code - Ability to quickly understand complex requirements and adapt to new technologies - Detail-oriented approach with a commitment to quality and deadlines If you're looking for a dependable .NET developer with a deep understanding of both frontend and backend technologies, I am available for new projects and long-term engagements.

Algorithmic development (3D geometry, image processing, 15 years). C++ development (16 years of experience). Understanding user needs and improving given requirements. Consulting on algorithms.

ABOUT ME I am an Electrical and Computer Engineer with strong multidisciplinary experience in embedded systems, PCB design, industrial automation, software development, and network engineering. I specialize in transforming ideas into practical, reliable, and scalable technical solutions. My experience covers the full development cycle, from hardware design and firmware programming to backend development, automation, and system integration. I am passionate about building efficient systems that solve real-world problems, and I take pride in delivering quality work with professionalism, precision, and on-time execution. My expertise includes: ✅ Embedded Systems and Firmware Development • Nordic nRF series, Arduino, ESP32 series, STM32 series, ESP8266, NodeMCU, Raspberry Pi series and custom microcontroller platforms and custom microcontroller platforms. • Embedded C, C++, and MicroPython • Zephyr RTOS and nRF Connect SDK development for Nordic nRF platforms • ESP-IDF and Arduino-based firmware development • USB, UART, I2C, SPI, CAN, Wi-Fi, Bluetooth, LoRa, MQTT, OPC UA, Zigbee, and Cellular communication ✅ PCB Design and Hardware Engineering • Schematic and PCB design up to 10 layers • Advanced PCB Layout (Altium, KiCad, Eagle, Allegro) • 3D CAD modeling and Enclosure Design • Custom footprint, symbol, and library creation • Compact and production-ready hardware design • Gerber, BOM, and manufacturing file preparation • Hardware and firmware co-design ✅ Industrial and Workflow Automation • Siemens PLC programming • SCADA systems • Industrial IOT automation • Python and Shell scripting for workflow automation ✅ Software Development • MERN stack web development • Backend: Node.js and Django Frontend: React, vue js Database: MongoDB, Couchdb, PostgreSQL, and MySQL • C, C#, C++, JavaScript, and Python ✅ Network Engineering • Packet Tracer and GNS3 simulation • Router, switch, and VPN configuration • pfSense firewall and network security

I’m a senior full-stack engineer with 10+ years of experience building scalable, high-performing applications using .NET Core, C#, Ruby on Rails, Python, and modern frontend frameworks like React/Next.js. I specialize in architecting clean, maintainable systems that stay flexible as your product grows. I’ve worked across SaaS platforms, enterprise systems, AI-driven apps, internal dashboards, complex API integrations, and end-to-end product builds—from architecture and backend logic to pixel-clean frontends. Whether you need a long-term tech partner or someone who can jump in and take ownership right away, I bring strong engineering discipline, fast execution, and clear communication.

150+ Jobs Completed | 2000+ Hours Logged With 16+ years of working as a software engineer, technical lead and software architect, Tajbir brings deep understanding of enterprise software, management, and technical strategy to any project. He has extensive experience in full stack development, both on mobile platforms and web architectures (client and server side). He writes code that can be maintained and expanded over time as business systems and requirements adapt to market demands or pivots in core business direction. He is obsessed with learning newer and better technologies to bring the best solutions to all products and ideas. He possesses a vast range of skills in many different technologies, designs, and methods of execution. Education- Bachelor's Degree in Computer Science And Engineering (4 Years) Master's Degree in Computer Science (Major: Software Engineering) (2 Years) Expert in- Framework: Asp.Net MVC, Asp.Net Core, Node, MEAN, MERN Front End: VanillaJS, Angular, React, Vue, jQuery, LESS, Bootstrap, Semantic UI Database: MS SQL Server, MongoDB, MySQL, Firebase E-Commerce: Shopify, NopCommerce CMS: Wordpress, Custom CMS Development in Asp.net Designing Tools: Figma, Adobe XD, Adobe Photoshop, Adobe Illustrator

🅷🅴🆈 👋 Hi! I’m a veteran full stack developer, mobile app developer, and team lead leading a senior long-term team capable of taking products from idea → launch → scale → maintenance. I’ve been in professional software development for 25+ years and mobile app development for 17+ years, delivering scalable iOS Development, Android App Development, Flutter, React Native, and backend-driven platforms across startups, SaaS products, enterprises, and high-growth mobile ecosystems. Clients usually come to us when they need more than just coding - they need a technical partner who understands architecture, business logic, scalability, monetization, and long-term product growth. As a mobile application developer, ios developer, android developer, flutter developer, and full stack developer, I specialize in building high-performance native and cross-platform mobile apps used by millions of users worldwide. I work with native iOS development using Swift, SwiftUI, UIKit, and Objective-C, native Android development with Kotlin and Java, as well as Flutter, React Native, and hybrid app development for scalable cross-platform delivery. Over the years, I’ve helped build 700+ apps across fintech, healthcare, social networking, education, entertainment, e-commerce, IoT, and enterprise SaaS. My experience covers the full mobile app development lifecycle - system architecture, UI/UX implementation, backend development, API Integration, DevOps, deployment, scaling, optimization, and long-term product evolution. 🏆 Why Clients Choose Me ✔️ 25+ years as a full stack developer and software architect
 ✔️ 17+ years in mobile app development
 ✔️ 700+ mobile apps delivered across iOS, Android, Flutter & React Native
 ✔️ Expertise in native app development, hybrid app development, and scalable backend systems
 ✔️ Reduced crash rates by up to 70% and improved app performance by 50% on production apps
 ✔️ Built mobile platforms used by 5M+ users worldwide
 ✔️ Strong experience with Mobile App Improvement, Mobile App Bug Fix, and modernization projects
 ✔️ Long-term experience with startups, SaaS companies, enterprises, and Fortune 500 clients
 ✔️ Full-cycle delivery: architecture → development → deployment → scaling → support 📱 Native iOS & Android Development • Native iOS Development with Swift, SwiftUI, UIKit, Combine, Objective-C • Native Android App Development with Kotlin, Java, Jetpack Compose • Smartphone app optimization for performance, UX, and scalability • Clean Architecture, MVVM, VIPER, modular app structures • Device integrations: BLE, GPS, biometrics, camera, sensors, HealthKit, Google Fit • App Store & Google Play deployment pipelines • Multi-language apps with localization and accessibility support • Advanced performance optimization and memory management 🔁 Cross-Platform & Hybrid App Development • Flutter developer expertise for scalable cross-platform products • React Native development with custom native module integrations • Kotlin Multiplatform Mobile (KMM/KMP) • Shared business logic across iOS and Android • Adaptive UI systems and responsive mobile layouts • Cross-platform architectures reducing development time by 40–60% 🔧 Backend, API Integration & Infrastructure • REST API and GraphQL API Integration • Firebase, Node.js, PHP, and scalable backend services • Authentication systems, caching, offline sync, token management • SQLite, Room, Realm, Core Data • Push notifications: FCM, APNS, OneSignal • Real-time chat, geolocation systems, dashboards, and live data platforms • Backend-connected mobile ecosystems with scalable cloud infrastructure ⚙️ DevOps, CI/CD & Delivery • Fastlane, GitHub Actions, Bitrise, Firebase App Distribution • Automated testing and deployment pipelines • Beta testing, crash analytics, staged rollouts • CI/CD optimization for faster and safer release cycles • AWS and scalable cloud deployment workflows 📊 Analytics & Monetization • Firebase Analytics, Mixpanel, Amplitude, Google Analytics • In-app purchases, subscriptions, AdMob, Facebook Ads • Retention optimization and funnel analytics • Data-driven product iteration and growth optimization 🔌 Advanced SDK & Hardware Integrations • AVFoundation, CameraX, Core Bluetooth, Core Motion • Stripe, Twilio, Agora, Sendbird, Mapbox, OpenCV • IoT dashboards, BLE integrations, voice/video systems • Camera-heavy and sensor-based mobile applications 🌍 Industries Served • Fintech & Banking • Healthcare & Fitness • E-commerce & Retail • Smart Home & IoT • Education & E-learning • Social Networking • Travel & Hospitality • Entertainment & Media • SaaS & Enterprise Platforms ✅ Let’s Build a Mobile Product That Scales!