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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.
Always learning and always yearning, I sincerely believe that we can achieve greater heights by collaborating on our problems. I love to be involved with technical communities in different capacities and enjoy solving issues. I have had more than 50 mentoring sessions on HackHands ( http://www.hackhands.com/hiren ). Currently I run my own business, which is into mobile apps and websites.
I have a great passion for solving problems and can help people with various programming languages, databases, information systems, software related projects.
# 👋 How Do I Help? Just like a good doctor with a patient. I listen carefully, analyze deeply, and work toward the best solution. When mentoring, I approach with extra care, empathy, and patience. --- # ⚖️ My Work Ethic - **Honesty first**: No false promises, no wasted time. - **Client satisfaction matters most**: I only accept payment when clients are happy with the outcome. --- # 🔗 Find More Details - **LinkedIn**: [linkedin.com/in/rctushar07](https://www.linkedin.com/in/rctushar07) --- # 🌟 Why Choose Me? - **6+ years** in Full-Stack, Cloud & Data Engineering within the tech industry - Contributed to **5 industrial projects**, collaborating within large teams - **10 years of coding experience** and **2000+ competitive programming problems solved** - **10 LinkedIn recommendations** from international clients & teammates - **100+ aspiring professionals mentored** throughout my journey - Featured as **Top Full-stack Python Developer** in Prog.AI Analysis 👉 [Prog.AI Feature](https://www.linkedin.com/posts/prog-ai-hiring_python-python3-javascript-activity-7296196512563257345-Fx11) --- # 🎯 What Do I Offer? ## 💻 Development Services - **Web apps** using Django, Flask, FastAPI, React, NextJs - **N8N Automation** - **Cloud infrastructure development** & serverless apps - Database design & **performance optimization** - Troubleshooting & debugging with clear communication - **Data Engineering** & ETL pipelines - Web scraping, data collection, and visualization - Data ingestion, processing, and transformation for analytics - Workflow automation with **Python scripts** - Custom **Python libraries** & reusable Django apps - Third-party API integration (Stripe, social media, etc.) ## 👨🏫 Personalized Mentorship - Guidance for college/university projects & assignments - Short & long term mentorship on **backend, cloud, or data engineering** - Live **1:1 resume review** - Mock **DSA coding interviews** - Code reviews with professional insights - Project planning & management guidance (methodologies, challenges, team dynamics) - Advice on handling **stress & challenges** at work (deadlines, communication, disagreements, etc.) ---
I am a seasoned mobile application developer with over 6+ years of expertise in mobile application development, I specialize in Flutter, Android and iOS native. My work focuses on crafting innovative, high-performance mobile applications that meet user and business needs while adhering to the highest quality standards. Core Competencies: • Advanced proficiency in Android Studio, Java, Dart, and the Flutter Framework. • Integration of SQLite, RESTful APIs, and extensive use of Firebase Services (Authentication, Realtime Database, Cloud Functions, FCM, Crashlytics, and more). • Skilled in Google Maps APIs (routes, navigation, and directions) and payment gateway integration such as Stripe. • Expertise in source control management with Git (GitHub, GitLab, Bitbucket) and automating workflows using CI/CD pipelines. • Deep understanding of the mobile app development lifecycle, architecture, and emerging trends. • Strong debugging and problem-solving skills to deliver error-free applications. Key Contributions: • Successfully collaborated with cross-functional teams, including designers and QA professionals, to deliver seamless and intuitive user experiences. • Ensured app responsiveness and performance through thorough testing and debugging before release. • Delivered scalable and maintainable applications by adhering to clean coding principles and best practices. • Proactively stayed ahead of mobile development trends to incorporate cutting-edge features into apps. Driven by a passion for technology and user-focused design, I excel at transforming ideas into impactful mobile solutions that enhance user satisfaction and business growth. My projects includes: (All the projects are available on app store also) https://play.google.com/store/apps/details?id=com.horizonix.quran https://play.google.com/store/apps/details?id=com.horizonix.game.notifier https://play.google.com/store/apps/details?id=com.cerashealth.imhomev2&hl=en&gl=US https://play.google.com/store/apps/details?id=com.fishverify&hl=en&gl=US https://play.google.com/store/apps/details?id=com.bagndash.bagndashapp https://play.google.com/store/apps/details?id=com.agentduty.app https://play.google.com/store/apps/details?id=com.matrix.essapp https://play.google.com/store/apps/details?id=com.matrix.satatyamv https://play.google.com/store/apps/details?id=com.matrixcomsec.acs https://play.google.com/store/apps/details?id=com.matrixcomsec.android.satatyasight https://play.google.com/store/apps/details?id=com.matrix.cosecmode https://play.google.com/store/apps/details?id=com.matrixcomsec.vms Flutter plugins - https://pub.dev/packages/emoji_selector https://pub.dev/packages/easy_debouncer https://pub.dev/packages/live_location https://github.com/Alfaizkhan/skeletons_plus GitHub - https://github.com/Alfaizkhan LinkedIn - https://www.linkedin.com/in/alfaizkhan
I'm a Senior .NET & AI Architect with 21+ years of experience helping developers, startups, and engineering teams solve difficult technical problems. Whether you're a beginner using AI to build software ("vibe coding") or an experienced developer building enterprise applications, I can help you move faster using modern AI tools like Claude, Cursor, ChatGPT, GitHub Copilot, and Gemini, Antigravity. I can help with: - Blazor Server & WebAssembly - ASP.NET Core & .NET - ASP.NET ZERO AND ABP Framework - C# debugging and performance optimization - AI Agents & LLM integrations - Claude Code, ChatGPT, GitHub Copilot workflows - Semantic Kernel, LangGraph & Model Context Protocol (MCP) - Entity Framework Core & SQL Server - Architecture reviews - Code reviews and pair programming - Bug fixing and production issues - Azure deployment & CI/CD My mentoring style is practical and hands-on. Whether you're fixing a production bug, building an AI-powered application, or trying to get Claude to generate better code, we'll identify the root cause, solve the problem together, and make sure you understand the solution. Claude Certified Architect If you're stuck, let's get you unstuck.
**I am a freelance software developer, a clinical counsellor and a mentor in one.** **As a software developer,** I do contract work through my Vancouver-based company Qubiq Interactive ([https://www.qubiqinteractive.ca](https://www.qubiqinteractive.ca/)). My main focus in on custom-built applications that require a unique engineering approach, although I have extensive experience with working on more traditional consumer apps and websites as well. I am especially passionate about agent-based modeling and games development. **As a tech counsellor** at my private practice Treerock Therapy ([https://www.treerocktherapy.ca](https://www.treerocktherapy.ca/)), I provide career counselling to individuals and team mental health consulting to tech companies. My mission is to facilitate transformation of burnout, anxiety and depression into self-actualization in my clients. I started my career in the engineering industry in 2009 and received a PhD in Simulation of Complex Systems from the University of Southampton, United Kingdom in 2017. I have developed autonomous robot simulations, distributed data processing systems, games and websites. I trained and mentored junior programmers, led development teams and maintained strong relationships with clients. I taught software development at higher education institutions in Europe and in Canada.
Senior Software Engineer with 8 years of experience building backend applications and enterprise software. Experienced in Java, Spring Boot, Microservices, REST APIs, System Design, and Distributed Systems. Worked on scalable applications, performance optimization, production support, and software architecture. Currently working at Microsoft, contributing to the WPF framework and leading initiatives around modernization, automation, accessibility, and performance improvements. Previously worked at Siemens Healthineers building backend services and APIs for medical imaging systems. Skilled in designing reliable, scalable, and maintainable software solutions while collaborating with cross-functional teams. Core expertise: • Distributed Systems & Microservices • System Design (HLD + LLD) • Java, Spring Boot, C#, .NET, [ASP.NET](http://asp.net/) • REST APIs & Backend Engineering • Performance Optimization & Scalability • Concurrency, Reliability, and Production Debugging • CI/CD and Release Engineering Conducted 50+ design/code reviews and contributed to engineering best practices across teams.
20 year software engineer, 10 years engineering manager. Extensive experience in Javascript/React for coding mentorship. Mentoring for 15 years a mix of technical, leadership, and professional skills. I do this for fun on the side so I don't charge much. https://www.dandigangi.com https://linkedin.com/in/dandigangi https://x.com/dandigangi
I'm a full-stack developer with a passion for building meaningful products that will impact the life of customers day to day life, and I have around four and half years of professional experience, mostly in startups. I am a part-time lecturer at of one the private university here in Dhaka, Bangladesh. My current company, we use Django Rest framework as our backend technology, React.js for our frontend development, and Material Ui for design. But I am open to learning any technology to do my job. Tech Stack: Python - 5yrs Django - 4yrs React - 4yrs Material UI - 3yrs Node.js - 1yr Vanilla.js - 1yr ES6 - 3yr I am a competitive programmer too, having 10 years of experience in problem-solving and algorithm development. Also experienced in - C - C++ - Java - Data Structure - Algorithm - Problem Solving - Tutoring
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