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I am a **Multi-talented** professional adept in **Full Stack Web Development**, **Web Security Research**, and **Robotics Engineering**. As a dedicated Web Security Researcher and ethical hacker, I uncover vulnerabilities and mitigate security risks, bridging the gap between development and cybersecurity. Additionally, as a Robotics Engineer, I design and build sophisticated robotic systems, applying my deep understanding of mechanics, electronics, and programming. Passionate about crafting clean, scalable code and innovative robotics solutions, I contribute to projects that prioritize both robust development, cybersecurity practices, and cutting-edge robotic technology.
I'm Matei, a full-stack developer with over 10 years of experience, specializing in JavaScript, React, and Node.js. I help developers at all levels overcome challenges, from debugging complex issues to understanding core concepts. My approach is patient and tailored to your needs, ensuring you gain confidence and clarity in your coding journey. Format: - regular (long term) or one-time - for any level (beginner/intermediate/advanced) - 45-90min sessions, up to 6hrs on request - personalized take-home tasks & resources Availability: - until Jul 15: 4:00-6:00, 15:00-18:00 UTC - after Jul 15: 4:00-18:00 UTC - last minute or late night sessions on request (email matei@copot.eu) Technologies: - JavaScript: ESNext, NodeJS/Deno, TypeScript, React, Vue, NodeMCU, & more - Front-end Web Dev: HTML5, CSS3, responsive design, PWAs, SPAs, & more - Back-end Web Dev: Express/NextJS APIs, Python, AWS, Docker, SQL, PHP, & more - App Dev: Mac/Linux & Android, Electron, Expo, Python, Stripe, UX, & more - others: always curious about other technologies, e.g. haskell, ruby, WASM, WebGL... = Why me? I'm typically paid €100/hr by top companies, so the lower rate here means you're getting top-tier expertise at an accessible price. I enjoy mentoring because it brings variety and a more collaborative and relaxed dynamic. I have a proven track record of guiding learners from zero experience to landing high-paying jobs. My teaching adapts to your pace and goals — you'll always get honest, actionable advice, including what’s realistic and what’s not. If you're serious about growing your skills or career in tech, I’d be glad to support your journey.
Passionate Web Developer inclined towards helping others. I've been mentoring many junior developers and Novice to understand how websites can be built using modern web standards. Having over a decade of experience in Fullstack Web Development and serving 100s of clients, I'm happy to help you out in web related tasks. My main expertise are in Php, MySQL, WordPress, Shopify and Codeigniter. Other technologies and projects I've delivered are related to MERN, Laravel, VueJS, HTML, CSS, Bootstrap, Javascript and jQuery. Let's work together to deliver things faster and with utmost quality.
With over 20 years of experience in tech, I've turned chaotic projects into well-oiled machines. From slashing load times on high-traffic platforms to automating under narrow constraints, and leading migrations, I specialize finding streamlined solutions for complex challenges. Whether you or your team need mentoring on how to best make use of git, or DevOps automation, or need a complete workflow overhaul. Connect with me and we'll talk about how I can best help you - whether it's mentoring on a specific topic you are stuck on, or getting my hands dirty and helping you make that release date, or get those load times down. Lets get started, understanding the problem is the first step.
I'm an experienced React Native developer with five years in the field, specializing in creating cross-platform mobile applications. Alongside my frontend expertise, I have strong experience as a backend engineer and MERN stack developer, allowing me to work across the full stack. I also bring DevOps experience, including Kubernetes orchestration and deployments on platforms like AWS, Digital Ocean, Google cloud and Azure. My journey has involved collaborating on diverse projects, staying updated on industry trends, and contributing to both frontend and backend development. Looking forward, I aspire to contribute to innovative projects, leveraging my full-stack and DevOps expertise to create seamless, scalable, and user-centric solutions.
Data Analyst with strong skills in data management, integration, visualization and delivery with a proven ability to pick up and utilize skills efficiently and quickly in a fast paced or deadline driven environment.
Kumsal Obuz is a seasoned web developer with over 20 years of experience in two different countries. As a self-taught professional, Kumsal has honed expertise in various areas of game development and design. In August 2020, Kumsal founded [Viroid Games](https://viroidgames.com/), a Toronto-based game studio. Viroid Games has successfully launched one game on Steam and delivered several others on commission. The studio’s focus areas include business consulting for indies, low & High Poly characters, creatures, environment design, gaming props, concept art, and audio services. Additionally, Viroid Games offers high-quality explainer videos. Kumsal’s passion extends beyond game development. They authored the book “[Game Development with Blender and Godot](https://www.amazon.com/dp/1801816026/),” which guides readers through integrating Blender with Godot Engine. The book covers essential topics, from 3D modelling to basic game design and scripting. In the spirit of community building, Kumsal founded the [Godot Toronto](https://discord.gg/ZuJXnuJ) group on Discord. This initiative fostered connections within the game development community, allowing developers to share knowledge, collaborate, and support one another.
Worked in the field for 3 decades for mom and pop shops to fortune 500 companies. I am seeking a full time position with a company as a backend, CFML programmer which is where I feel most comfortable with my more than 3 decades of coding experience. I would require a remote position, however, I am open to adjusting my waking hours to any time zone.
I’m a **senior .NET UI developer** with **15+ years of experience**, specializing in **WPF and .NET MAUI** for cross-platform and Windows applications. I’ve worked with **startups, enterprises, and financial institutions**, helping teams build **scalable, high-performance UI solutions**. As a **mentor and consultant**, I enjoy helping developers **level up their skills**, solve complex UI problems, and improve their software architecture. Whether you need **guidance on a tricky issue, code reviews, or hands-on problem-solving**, I’m happy to help. ### **Expertise** - ✅ **WPF & .NET MAUI** – UI development, best practices, and performance optimization - ✅ **Modernizing legacy apps** – migrating from older frameworks, improving maintainability - ✅ **Code architecture & design patterns** – MVVM, dependency injection, scalability - ✅ **Debugging & troubleshooting** – solving tricky UI bugs, performance bottlenecks - ✅ **General .NET development** – C#, asynchronous programming, API integration I provide **one-off mentoring sessions, ongoing guidance, and freelance consulting**. If you're working with **WPF, .NET MAUI, or need help with UI development**, let’s chat!
**Salesforce Certifications** Salesforce Certified Application Architect Salesforce Certified Sales Cloud Consultant Salesforce Platform Developer II Salesforce Platform Developer I Salesforce Administrator Salesforce App Builder • 10+ years of Experience in Administration & Development of Salesforce CRM. • Implemented Security and Sharing Rules at Object, Field, and Record Level for different users at different levels of organization. Also created various profiles and configured the permissions based on the organizational hierarchy. • Implemented Sales Cloud, Entitlement Management and Automated process in Service Cloud. • Implemented Field Service Lightning and customized FSL mobile app through Flows and App Extensions. • Expertise in Visual Force Development using Standard & External Components like D3.js,bootstrap .jQuery, Google MDL. • Expertise in Lightning Roll out form classic,Lightning Component Development, Lightning Experience ,Lightning Design System,Lightning App builder. • Implemented Salesforce community using Salesforce templates and custom templates. • Good command on APEX programming language, REST/SOAP API,Force.com REST APIs, Email Services, SOSL, SOQL etc • Worked on the designing of Custom Objects, Custom Tabs, Custom Fields, role based Page Layouts, Custom Reports, and Report Folders, Report extractions to various formats, design of Visual Force Pages, Dashboards and various other components as per the client and application requirements. • Maintain User Accounts, Roles and Profiles in the Salesforce.com application • Implemented the Validation Rules, Approval Process, Workflows for automated lead routing, lead escalation and Email Alerts. • Experience of Tasks, Workflow rules, and Triggers,Flows, Process builder . • Designed and developed Apex Triggers for various functional needs in the application. • Involved in Unit Testing and Test Coverage for triggers. • Experience on Force.com IDE, Data Loader, Import Wizard and salesforce.com Sandbox Environments, Github source control. • Customisations using Salesforce flow, Lightning Web Components , Aura Components.
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