I build modern, scalable, and business-focused software solutions across Web, Mobile, Desktop, and Backend systems using the Microsoft ecosystem.
From elegant user experiences to reliable back-end architecture, I help startups, businesses, and growing products transform ideas into production-ready applications that are fast, maintainable, and built for long-term growth.
Whether you need a custom platform, API integration, business portal, CMS website, enterprise dashboard, or cross-platform application — I focus on delivering software that solves real business problems.
🎯 Core Expertise
🔹 C# .NET Development
🔹 ASP.NET Core Web Applications
🔹 RESTful API Development
🔹 Umbraco CMS Development & Customization
🔹 .NET MAUI Cross-Platform Applications
🔹 WPF Desktop Applications
🔹 MVVM Architecture
🔹 Entity Framework Core
🔹 SQL Server & Database Design
🔹 Azure Cloud Solutions
🔹 Authentication & Authorization
🔹 Microservices Architecture
🔹 Third-Party API Integration
🔹 Performance Optimization
🔹 Clean Architecture & SOLID Principles
💻 DEVELOPMENT STACK
🔷 Languages
✔ C#
✔ SQL
✔ JavaScript
✔ TypeScript
✔ HTML5 / CSS3
✔ XAML
🔷 Frameworks & Platforms
⚙ ASP.NET Core
⚙ .NET 5 / .NET 6 / .NET 8
⚙ WPF
⚙ WinForms
⚙ .NET MAUI
⚙ Umbraco CMS
⚙ Entity Framework Core
🔷 Front-End
🎨 Razor Pages
🎨 Blazor
🎨 Angular
🎨 React
🎨 Vue.js
🎨 Bootstrap
🎨 Responsive UI Design
🔷 Databases
🗄 SQL Server
🗄 PostgreSQL
🗄 MySQL
🗄 SQLite
🔷 Tools
🛠 Visual Studio
🛠 Git
🛠 GitHub
🛠 Azure DevOps
🛠 Postman
🛠 Docker
☁️ Cloud & DevOps
🔸 Azure App Services
🔸 Azure Storage
🔸 Azure Functions
🔸 Azure SQL Database
🔸 Azure Key Vault
🔸 CI/CD Pipelines
🔸 GitHub Actions
🔸 Azure DevOps Pipelines
🔸 Docker Containerization
🔸 Automated Deployments
🔸 Monitoring & Logging
🔐 Security & Authentication
✔️ ASP.NET Identity
✔️ JWT Authentication
✔️ OAuth 2.0
✔️ Role-Based Access Control
✔️ Secure API Architecture
✔️ Data Protection & Encryption
⚙️ Solutions I Build
✅ Enterprise Web Applications
✅ SaaS Platforms
✅ Custom Business Management Systems
✅ CRM & ERP Solutions
✅ REST APIs & Backend Services
✅ Mobile Applications (.NET MAUI)
✅ Desktop Applications (WPF)
✅ CMS Platforms (Umbraco)
✅ E-Commerce Integrations
✅ Real-Time Applications
✅ Reporting & Analytics Systems
✅ Legacy System Modernization
🚀 Professional Strengths
💠 Full-Stack .NET Expertise
💠 Strong Software Architecture Skills
💠 Clean & Maintainable Code
💠 Business-Oriented Development
💠 Fast Learning & Problem Solving
💠 Excellent Communication
💠 Reliable Delivery & Long-Term Support
💠 Independent Freelancer — No Agency
💎 WHY CLIENTS WORK WITH ME
⭐ Business-Oriented Development
⭐ Production-Ready Solutions
⭐ Long-Term Maintainability
⭐ Scalable Architecture
⭐ Transparent Communication
⭐ Reliable Deadlines
⭐ Quality-First Development
🔑 RELEVANT KEYWORDS
C# Developer, .NET Developer, ASP.NET Core, .NET MAUI, WPF Developer, Backend Developer, API Developer, REST API, Entity Framework Core, SQL Server, Azure Developer, Cloud Solutions, Umbraco Developer, CMS Development, Enterprise Software Development, Cross-Platform Mobile Development, Desktop Application Development, SaaS Development, Web Application Development, Microservices, Clean Architecture, Software Architecture, Full Stack .NET Developer.
🔒 I’m a passionate, independent developer, not an agency.
🕒 Available 40+ hours/week, flexible across time zones. 🌍
Let's build something exceptional together! 💪
📩 Click "Invite" or "Message" and let's discuss how I can help bring your project to life.
Your idea + my expertise = success. 🚀
C#
ASP.NET Core
API
Microsoft Azure
SQL
Umbraco
Windows Presentation Foundation
.NET Core
.NET Stack
.NET Framework
ASP.NET
ASP.NET MVC
ASP.NET Web API
Web Development
Mobile App Development
Desktop Application
Model View ViewModel
React
Vue.js
Angular
Peter P.
Iligan, Philippines
$12/hr
5.0
4 jobs
I'm a Robotics Engineer with expertise in robot design, motion planning, control systems, and embedded systems. My background combines mechanical engineering and software development, enabling me to deliver complete robotics solutions from concept and simulation to hardware implementation.
My experience includes developing autonomous climbing robots for space exploration, where I designed robotic mechanisms, implemented kinematics and motion planning algorithms, and developed simulation environments using MATLAB, Python, and ROS2. I also have experience with CAD, mechanical design, embedded systems, motor control, and robotics integration.
My technical expertise includes:
• Robot Design and Mechanical Engineering
• MATLAB & Simulink
• Python
• ROS/ROS2
• Motion Planning
• Forward & Inverse Kinematics
• Finite Element Analysis (FEA)
• Flow Simulation
• Control Systems
• CAD (SolidWorks/Fusion 360)
• Embedded Systems
• Robot Simulation
I can assist with:
* Robotics algorithm development
* Motion planning and path planning
* Robot kinematics and dynamics
* MATLAB and Python programming
* ROS/ROS2 development
* Mechanical and CAD design
* Robot simulation and prototyping
* Embedded robotics and actuator integration
I focus on delivering accurate, well-documented, and practical engineering solutions. Whether you're developing a research prototype, industrial robot, automation system, or robotics software, I'm committed to providing reliable results and clear communication throughout the project.
Robotics
Mechanical Engineering
Embedded System
Robot Operating System
Computer Vision
Python
MATLAB
Microcontroller Programming
3D Modeling
SolidWorks
Finite Element Analysis
Flow Simulation
Mechatronics
Mechanical Design
Control Engineering
Teody C. S.
Cavite, Philippines
$35/hr
4.8
15 jobs
Hi, I’m Teody — a Senior Drupal Consultant with over 16 years of experience helping organizations maintain, upgrade, and stabilize Drupal platforms over the long term.
I work best with teams that need continuity and ownership, not just short-term development help. Many of my engagements are structured as long-term contracts or monthly retainers, where I support both technical execution and informed decision-making.
Areas I commonly support:
Drupal 7 → 10/11 migrations and modernization
Drupal core upgrades (8 → 9 → 10)
Ongoing maintenance, performance, and security
Acting as a long-term development partner for agencies and organizations
Recent highlights:
Led a team of Drupal developers for the FSC.org redesign implementation
Successfully upgraded the NBI project from Drupal 8 to 10
Engagements often start with a discovery or technical review, followed by ongoing support once priorities are clear.
If you’re looking for someone to take long-term responsibility for your Drupal platform, I’m open to conversations around consulting or retainer-based partnerships.
PHP
AngularJS
React
SQL
Drupal
Node.js
jQuery
CSS
JavaScript
HTML
Junel B.
Oroquieta City, Philippines
$60/hr
4.9
309 jobs
I help businesses increase ROI and ROAS by fixing and optimizing their conversion tracking so ad algorithms can work at their full potential. I specialize in Google Tag Manager and server-side tracking to overcome ad blockers, iOS privacy restrictions, and browser limitations ensuring your data is accurate and reliable.
With clean, high-quality tracking in place, I feed the right signals into ad platforms, unlock better optimization, and provide actionable insights through ad managers and Google Analytics to drive smarter decisions and higher conversions.
Google Tag Manager
Google Analytics
Google Ads
Campaign Setup
Paid Media
Facebook
Pay Per Click Advertising
C
Mathematics
JavaScript
Mechanical Engineering
Google
Terence B.
Lapu-Lapu, Philippines
$45/hr
5.0
28 jobs
🏆 𝗨𝗣𝗪𝗢𝗥𝗞 𝗘𝗫𝗣𝗘𝗥𝗧 𝗩𝗘𝗧𝗧𝗘𝗗
💪 Top 1% of performers | 15,000+ hours
🎖️ Top Rated Plus | 100% Job Success
✔︎ 20+ years experience in Embedded Systems, IoT & Full Stack Development
I design and develop production-grade embedded and IoT systems, from firmware and hardware integration to cloud-connected platforms.
Specialized in STM32, Nordic nRF52/nRF53/nRF91, ESP32, RTOS (FreeRTOS/Zephyr), and secure C/C++ firmware development.
I help companies turn hardware concepts into reliable, scalable, real-world products.
🚀 𝗔𝗕𝗢𝗨𝗧 𝗠𝗘
I am a Senior Embedded Systems and IoT Engineer with over 20 years of experience delivering production-ready systems across embedded firmware, hardware design, cloud infrastructure, and full stack applications.
I specialize in end-to-end system development — from low-level firmware and PCB collaboration to cloud integration and application layers — ensuring robust and scalable real-world deployments.
I work with startups and engineering teams to transform complex ideas into reliable production systems.
🔧 𝗘𝗠𝗕𝗘𝗗𝗗𝗘𝗗 𝗦𝗬𝗦𝗧𝗘𝗠𝗦 & 𝗙𝗜𝗥𝗠𝗪𝗔𝗥𝗘
Extensive experience in production-grade embedded firmware development.
▸ 𝗠𝗜𝗖𝗥𝗢𝗖𝗢𝗡𝗧𝗥𝗢𝗟𝗟𝗘𝗥𝗦 & 𝗣𝗟𝗔𝗧𝗙𝗢𝗥𝗠𝗦
▪ ARM Cortex-M
▪ STM32
▪ Nordic nRF52 / nRF53 / nRF91
▪ ESP32 / ESP8266
▪ Raspberry Pi
▪ Arduino
▪ Microchip PIC
▪ Silicon Labs BGM220
▸ 𝗥𝗧𝗢𝗦 & 𝗘𝗠𝗕𝗘𝗗𝗗𝗘𝗗 𝗔𝗥𝗖𝗛𝗜𝗧𝗘𝗖𝗧𝗨𝗥𝗘𝗦
▪ FreeRTOS
▪ Zephyr RTOS
▪ Bare-metal firmware
▪ Multi-threaded systems
▪ Event-driven architectures
▪ OTA firmware updates
▪ Secure boot & encrypted firmware
▸ 𝗖𝗢𝗠𝗠𝗨𝗡𝗜𝗖𝗔𝗧𝗜𝗢𝗡 & 𝗪𝗜𝗥𝗘𝗟𝗘𝗦𝗦
▪ UART, SPI, I2C, USB
▪ BLE, Bluetooth Classic
▪ LoRa / LoRaWAN
▪ Wi-Fi, LTE, NB-IoT
▪ RS232 / RS485
▸ 𝗦𝗘𝗖𝗨𝗥𝗜𝗧𝗬 & 𝗡𝗘𝗧𝗪𝗢𝗥𝗞𝗜𝗡𝗚
▪ TCP/IP, MQTT, HTTP/HTTPS
▪ TLS / mbedTLS
▪ ARM TrustZone
▪ Secure elements (Optiga, ST-SAFE)
▪ PKI systems
▪ JSON, XML, Protobuf
☁️ 𝗜𝗢𝗧 & 𝗖𝗟𝗢𝗨𝗗 𝗦𝗬𝗦𝗧𝗘𝗠𝗦
▪ AWS IoT, EC2, S3, RDS
▪ MQTT-based architectures
▪ Industrial IoT platforms
▪ Telemetry & remote monitoring
▪ Cellular / NB-IoT / LTE devices
▪ Robotics & automation systems
💻 𝗙𝗨𝗟𝗟 𝗦𝗧𝗔𝗖𝗞 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧
▸ 𝗕𝗔𝗖𝗞𝗘𝗡𝗗
▪ Java (J2SE/J2EE), Spring
▪ JSF, JSP, Servlets
▪ Hibernate, JPA
▪ Node.js
▪ PHP / CakePHP
▪ REST APIs
▸ 𝗙𝗥𝗢𝗡𝗧𝗘𝗡𝗗
▪ ReactJS
▪ JavaScript, HTML5, CSS3, Bootstrap
▸ 𝗗𝗔𝗧𝗔𝗕𝗔𝗦𝗘𝗦
▪ MySQL
▪ Apache Derby
▪ Database design & optimization
🛠 𝗛𝗔𝗥𝗗𝗪𝗔𝗥𝗘 & 𝗣𝗖𝗕 𝗗𝗘𝗦𝗜𝗚𝗡
▪ PCB design (Altium Designer / KiCad)
▪ Analog & digital circuit design
▪ Hardware bring-up & debugging
▪ Sensor integration
▪ Power systems
▪ Motor control (PWM, stepper, servo, robotics)
🧠 𝗜𝗠𝗔𝗚𝗘 𝗣𝗥𝗢𝗖𝗘𝗦𝗦𝗜𝗡𝗚 & 𝗔𝗜
▪ OCR systems
▪ Signal processing & filtering
▪ Embedded AI / ML integration
▪ Sensor data conditioning
▪ Computer vision pipelines
🧪 𝗤𝗨𝗔𝗟𝗜𝗧𝗬 & 𝗦𝗘𝗖𝗨𝗥𝗜𝗧𝗬
▪ Secure firmware architecture
▪ Veracode static/dynamic analysis
▪ System debugging & reliability engineering
▪ Performance optimization
▪ Production-grade system hardening
🧾 𝗣𝗥𝗢𝗚𝗥𝗔𝗠𝗠𝗜𝗡𝗚 𝗟𝗔𝗡𝗚𝗨𝗔𝗚𝗘𝗦
▪ C / C++
▪ Embedded C
▪ Java
▪ Python
▪ JavaScript
▪ PHP
▪ MATLAB
🎯 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧 𝗣𝗛𝗜𝗟𝗢𝗦𝗢𝗣𝗛𝗬
I focus on building reliable, maintainable, and production-ready systems by combining strong engineering fundamentals with real-world product experience across hardware, firmware, cloud, and software layers.
If you need embedded firmware, IoT systems, cloud integration, or full stack development, I can help bring your product from concept to production.
C
Firmware
Real-Time Operating System
Embedded System
Embedded C
JavaScript
C++
Python
Computer Vision
Bluetooth LE
Firmware Programming
J2EE
OCR Algorithm
Machine Learning
Java
Joshua F.
Rodriguez, Philippines
$10/hr
5.0
7 jobs
Programmer | Essay Writing Specialist | Data entry | Virtual assistant
With a diverse skill set spanning programming, essay writing, data entry, and virtual assistance, I offer comprehensive support tailored to your needs. Combining a background in computer engineering with a knack for clear communication and efficient problem-solving, I bring a unique blend of technical expertise and versatile assistance to every task.
**Programming Proficiency:** Proficient in C++, Python, Java, and Arduino, I can tackle a wide range of programming challenges. Whether you need software development, algorithm design, or hardware integration, I have the skills to deliver robust solutions.
**Software Development:** Experienced in the complete software development lifecycle, from requirements gathering to maintenance, I specialize in creating user-friendly and scalable solutions. My approach is tailored to your specific requirements, ensuring that the end product meets your expectations.
**Robotics and Automation:** With a passion for robotics showcased by my championship in the Sumobot competition, I am well-equipped to assist with robotics projects. From developing and programming robotic systems to designing control algorithms, I can help optimize performance and achieve your automation goals.
**Problem-Solving Skills:** As a Computer Engineering student, I have honed my analytical and problem-solving abilities. I excel at identifying and resolving complex technical challenges, ensuring projects progress smoothly and efficiently.
**Collaboration and Communication:** Thriving in collaborative environments, I work effectively with diverse teams. My strong communication skills enable me to understand project requirements and keep clients informed throughout the development process, fostering a transparent and productive working relationship.
Whether you require assistance with software development, algorithm implementation, hardware integration, or robotics projects, I am dedicated to delivering high-quality work that exceeds expectations. Your project goals are my priority, and I am committed to providing the support you need to succeed.
Java
C++
Logic Programming
Python
Programming Bug Fix
Array Programming
Essay Writing
Essay
Writing
Machine Learning
Deep Learning
AI Model Training
AI Model Development
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