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As a seasoned engineer with over five years in complex software systems across multiple industries (such as Logistics systems, HealthTech, EdTech, among others), I bridge the gap between complex technical challenges and accessible solutions. My expertise in cloud-based applications isn't just about writing code, it's about making technology work for people.
Whether you're struggling with debugging code, designing efficient algorithms, or navigating complex system architectures, I've been in your shoes. I've developed enterprise applications from the ground up and guided hundreds of learners through challenges ranging from basic syntax errors to advanced architectural decisions.
**What sets me apart? I don't just solve problems, I help you understand them. My approach combines hands-on engineering experience with a talent for explaining complex concepts in straightforward terms. From untangling complex code issues to optimizing system performance, I translate technical challenges into clear, actionable steps**.
My greatest achievement isn't the systems I've built, it's watching my mentees transform from curious beginners to confident professionals. This journey has sharpened my ability to meet you exactly where you are—whether you need an expert to help resolve a persistent bug or a patient guide through new programming paradigms.
**Let me help you turn technical obstacles into opportunities for growth.**
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 have a great passion for solving problems and can help people with various programming languages, databases, information systems, software related projects.
I love to teach what I know. I think I can explain things easily with examples. I have been working as a Software Engineer for the last 5 years and have worked with some of the world's most reputed companies like **Open AI, Scale AI, Doloras Lab**, etc as a freelancer.
# 👋 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.
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# ⚖️ 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.
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# 🔗 Find More Details
- **LinkedIn**: [linkedin.com/in/rctushar07](https://www.linkedin.com/in/rctushar07)
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# 🌟 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)
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# 🎯 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.)
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I am currently employed as a frontend lead at Cyberspace. I’m hands on in all stages of software development cycle, from planning and design to testing and deployment.
Jude is passionate about algorithms analysis, bug fixes, brainstorming ideas, integrating and building new systems
I’m a senior mobile + backend engineer with 20+ years in software (PHP since 2002; professional since 2005) and 10+ years building mobile apps. I help teams ship and stabilize real products—especially apps that are “almost done” but stuck on crashes, performance, flaky networking, or release blockers.
What I can help you with (fast, practical):
• iOS (Swift, SwiftUI, UIKit): crash fixes, performance/memory, concurrency issues, architecture cleanup
• Flutter (iOS/Android/macOS): reliability, state consistency, networking/retry behavior, release readiness
• Backend stability (PHP/Laravel or custom, Python/Django, Rails): idempotency, queues, DB performance, webhook safety
• Firebase + mobile reliability: Auth/Firestore rules, Cloud Functions patterns, analytics/instrumentation
• Monetization + shipping: RevenueCat/IAP reliability, App Store Connect/Play Console, CI/CD, rejection handling
Recent work includes taking a messy iOS codebase (CakeClub) to production-ready with a Firebase Cloud Functions v2 backend, stronger security patterns, CI/release automation, and RevenueCat integration; and delivering major cross-platform Flutter work (BillBlaster) including design refinements, admin tooling, and push notification features.
If you come with logs/screenshots (Crashlytics traces, network errors, repro steps), I’ll give you a clear diagnosis and a prioritized fix plan—and if it makes sense, I can execute the fixes as a focused sprint.
I am an experienced software engineer, excellent in Web, Mobile and Desktop Application Development using technologies like React, React Native, .NET Framework, NodeJS, Electron, Angular, Ionic Framework, NestJS, NextJS, PHP, PostgreSQL, MS SQL, MongoDB, Firebase and others. I have experience working with Figma Designs, Adobe XD, Adobe PhotoShop and Adobe Illustrator. I can create and deploy web, mobile (IOS and Android) and desktop applications seamlessly.
With over a decade of experience in full-stack development, I specialize in **Ruby on Rails, custom eCommerce solutions** (Spree, Solidus), **ReactJS**, and **DevOps**. My expertise spans designing and developing scalable, distributed cloud-based applications with a strong foundation in **database architecture** and **system refactoring**.
As a technology leader, I’ve successfully delivered complex, high-impact projects across industries including **Real Estate, Finance, Healthcare, Marketing**, and **eCommerce**. My portfolio includes building sophisticated eCommerce marketplaces, **SaaS platforms**, and multi-channel selling applications. I am passionate about crafting innovative, robust software solutions tailored to meet diverse business needs.
**Key Expertise:**
- **Backend:** Ruby on Rails, building and scaling RESTful APIs.
- **Frontend:** ReactJS, JavaScript, responsive UIs with Tailwind CSS, and Bootstrap.
- **eCommerce Solutions:** Spree, Solidus, custom marketplaces, multi-tenant SaaS platforms.
- **Database Architecture:** MySQL, PostgreSQL, MongoDB, Redis, Cassandra, optimized for high performance and scalability.
- **DevOps:** CI/CD pipelines (CircleCI, AWS Pipeline), containerization (Docker), cloud platforms (AWS, GCP, Heroku, DigitalOcean).
- **Test-Driven Development:** Expertise in TDD using RSpec, ensuring high code quality and maintainability.
In addition to my technical expertise, I have a strong commitment to **open-source contributions** and have developed multiple **Ruby/Rails/Spree extensions**. I also bring a wealth of experience in **refactoring legacy code bases**, implementing **performance optimisation**, and improving **scalability** and **security**.
My passion lies in helping businesses unlock their full potential through technology, and I am always eager to collaborate on long-term, impactful projects.
Let’s build the future, one line of code at a time.
Best regards,
Rahul Singh
A full-stack software engineer passionate about crafting scalable, high-performing web solutions. With a strong focus on appealing user interfaces, efficient software design, and outstanding online platforms, I leverage my tech stack to build exceptional products. I thrive on collaborating with other talented engineers to deliver quick and effective solutions.
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