I help teams turn complex technical systems into clear, structured content. My work includes technical articles, developer documentation, SaaS/product content, and tutorials that make APIs, identity systems, security topics, backend architectures, and other software challenges understandable to real-world users and developers. With a background in software engineering, I bring practical development experience to every writing, editing, and review project. I also leverage this background to perform detailed source code reviews and technical audits, combining a developer’s understanding of software systems with an editor’s eye for structure, clarity, consistency, and detail. I can also help teams design practical AI workflows for content operations, productivity, software development support, information organization, and lightweight automation. Such workflows improve real work without sacrificing accuracy or judgment. How I Can Help You... 💡 Clear, High-Impact Technical Writing and Developmental Editing ✔ Technical Articles / Tutorials / Explainers: I write clear, accurate articles on software development, security, or other technical topics so readers of any background actually understand them. ✔ Technical Documentation & API Guides: I create developer-friendly documentation, reference material, and API guides that help teams onboard faster and reduce support effort. ✔ Editing & Review: I can proofread your existing documents or content for clarity, consistency, and professional tone while maintaining technical accuracy. Technical editing, developmental editing, and copy editing as well. ✔ Process Documentation: I can document workflows, SOPs, and internal processes so that complex tasks become repeatable and easy to teach or train. ✔ Knowledge Base & SaaS Platform Support: I can build and maintain published content in knowledge base or SaaS environments, using tools such as Markdown, Git, and Confluence. ✔ Developer-Centered, Code-Forward Technical Content (what some call ‘dark mode’ writing): I can focus on real implementation details, architecture, SQL, APIs, and system behavior rather than high-level marketing language when required by the client. ✔ Lifestyle Articles / Product Roundups: I create informative and accessible lifestyle content and product roundups, for tech and other products. ✔ Graphic Design Support for Technical, Educational, and Marketing Assets: I can provide layout and light graphic design assistance for materials using Canva, InDesign, Photoshop, or Illustrator. 💡 Practical AI Workflows and Productivity ✔ AI Workflow Design: I can design practical AI-assisted workflows for content operations, research organization, documentation, task planning, and software-related knowledge work. Some preferred tools include ChatGPT, Claude, Gemini, AI coding assistants such as Claude Code, and automation platforms like Zapier. This list continues to evolve. ✔ Productivity and Lightweight Automation: I can help teams identify where AI tools and simple automation can reduce friction, make recurring work more repeatable, thus increasing productivity. ✔ Responsible Implementation: I focus on workflows that preserve accuracy, privacy, and human control — always with an emphasis on practical use rather than novelty. 💡 Structured Learning & Developer Training ✔ Educational Content & Courseware: I create tutorials, lessons, and learning materials for topics such as C#, OOP, mathematics, software development, and more. I also develop long-form projects — textbooks, self-study guides, and continuing-education courseware — ensuring technical accuracy and approachable learning. I work in Markdown/Git (docs-as-code) and can provide LaTeX layouts or short instructional videos when needed. 💡 Source Code Review & Software Engineering ✔ Code Review & Assessment Writing: I can review/audit your source code, then prepare artifacts, including code-review reports, mentoring notes, and best-practice recommendations that help developers improve structure and performance. Platforms include .NET, C#, C, C++, PHP, Node.js, Vue.js, Next.js, and others. ✔Software Engineering: .NET/C# development, specializing in REST APIs and utilities with a focus on performance optimization, security, and database design. Also proficient with C, C++, PHP, Node.js, Vue.js, Next.js, and others. 💡 Why Work With Me? ✅ Technical Depth: With many years in technical writing and software engineering, I understand the systems I document as well as the courseware I create. I ensure accuracy in every detail. ✅ Clarity, Engagement, & Usability: My writing and analysis emphasize readability and learning, helping both technical teams and non-technical stakeholders succeed. ✅ Trusted Experience: My track record spans decades of professional work, both on and off Upwork, with clients who value my ability to deliver clear, accurate, and dependable results. 📌 Let’s discuss how I can help with your project. Message me to schedule a call!

⚡ 14-Day MVP Delivery – Your production-ready mobile app launched in 2 weeks, not 2 months 🏆 Former Apple iOS Engineer – Silicon Valley standards meet startup speed for investor-ready applications 📱 70+ Apps Launched – Proven track record turning founder ideas into funded businesses on iOS and Android Need Expert Mobile App Development That Actually Delivers on Time? I'm a former Apple iOS engineer offering professional mobile app development for startup founders who need results fast. While other mobile app development agencies take 3-6 months and disappear mid-project, I deliver market-ready MVPs in 14 days or less. No crashes. No excuses. No communication gaps. I've successfully launched 70+ applications across the iOS App Store and Google Play Store through strategic mobile app development. But here's what matters more: I've helped multiple founders turn their ideas into investor-ready apps that secured real funding. One client came to me after their previous mobile app development team ghosted them 3 months into the project. They had an investor meeting in 2 weeks and nothing to show. I rebuilt their entire native app from scratch in 13 days using React Native. The app worked flawlessly in their pitch. They closed $500K in seed funding. That's the difference between a developer who codes and a developer who understands your real goal isn't just an app – it's launching your business before competitors beat you to market. I use test-driven mobile app development methodology with enterprise-grade architecture, so your app doesn't just work on day one. It scales as your business grows. You get weekly progress builds for continuous feedback, and I respond to messages within hours, not days. No more chasing developers who went silent. Whether you need iOS development, Flutter development, or cross-platform solutions with React Native, my mobile app development services deliver apps that look professional, function perfectly, and stay within your budget. No surprise costs. No endless revisions. Just a clear timeline and a finished product that's ready to make you money. Mobile App Development Services: - iOS App Development (Swift, native iOS development) - React Native Development (cross-platform iOS & Android apps) - Flutter Development (modern, scalable mobile applications) - MVP Development (investor-ready apps in 14 days) - Mobile App Design (professional UI/UX that converts) - App Store & Google Play Deployment (end-to-end launch support) Ready to Launch Your App Fast? If you're tired of mobile app development projects that drag on for months, developers who disappear, or apps that crash when you need them most – let's talk. Send me a message with your project details, and I'll show you exactly how my proven mobile app development process can get your app built, tested, and launched in 14 days. Every successful mobile app development project starts with a conversation. Your competitors aren't waiting. Neither should you.

About Us = = = = At ALGO, we design and develop systems, platforms, and automation powered by AI and emerging technologies. We integrate AI agents, software, data, and infrastructure to turn complex use cases into real, scalable, production-ready solutions. What We Do = = = = We build solutions in: AI, agents, platforms, systems, and automation, along with Blockchain, IoT, Immersive Technologies, Robotics, Game Development, Cybersecurity, Digital Twins, and Quant Engineering. Our focus is clear: moving from isolated experiments to integrated systems that generate real business impact. Why ALGO = = = = ALGO combines advanced engineering, expertise in emerging technologies, and strong execution capabilities to help companies design, develop, and scale complex technology solutions. Let’s build what matters = = = = If you’re looking to turn AI or emerging technologies into real solutions, ALGO can help.

Hi, I am Unity Game Application C# Developer Engineer with over 11 years of commercial experience. I have developed a few released Top Seller Worldwide game and mobile game with 1M+ downloads. Throughout my career, I have developed PC\Mobile RPGs, Multiplayer CCG, PC\Web FPS, Mobile Idler, and VR games, MMORPG(links after). Based on my successes and failures, I have a strong architecture vision for a scalable and reusable codebase. My coding practices prioritize cleanliness, documentation,modular, testing and reusability, enabling me to implement game features quickly and efficiently with high-quality results. Moreover, I possess extensive experience in optimizing videogame performance on mobile devices, including low-end models. What I Deliver: End‑to‑end game development from prototype to launch and LiveOps 30–60% FPS improvement on low‑end devices through deep CPU/GPU profiling Up to 90% build size reduction using thin‑client architecture and remote delivery assets Crash‑resistant, modular, secure, unhackable code Performance tuning, memory optimization, loading time reduction Cross‑platform builds for iOS, Android, PC (Steam), WebGL How I Can Help Your Project: Fixing bugs, optimizing performance, refactoring legacy systems Designing scalable game, meta, core systems Adding new features quickly without breaking production Building and releasing games for Mobile, PC, Web, and VR Publishing to App Store, Google Play, and Steam Integrating Ads, IAP, analytics, Firebase, and third‑party SDKs Multiplayer and backend development: Photon (PUN/Fusion/Quantum), Nakama, Mirror, FishNet, Node.js, ASP. NET, Java Why Clients Choose Me: 11+ years of hands‑on Unity and C# experience Deep expertise in LiveOps, optimization, memory and frame‑rate tuning Strong multiplayer background: Photon, Mirror, SmartFoxServer Testing experience across a wide range of devices: iOS, Android, Oculus Quest, Mac Experience in both indie teams and AA studios (3–100+ developers) Clean, maintainable code following SOLID, KISS, DRY principles Tools and Technologies: Unity: DOTS, Addressables, Zenject, Odin, DoTween, UniTask, UMA, Dialogue System, LevelPlay, Facepunch.Steamworks Backend: Nakama, Mirror, AWS, Firebase, PlayFab, Node.js, SmartFox Server Programming Languages: C#, JavaScript, TypeScript, Go, Java Client Testimonials: “Delivers clean and bug‑free features fast. Very knowledgeable in Unity architecture and optimization.” “Helped us launch our game across platforms with LiveOps‑ready infrastructure. A+ professional.”

💡 Looking for a Magento or Shopify specialist who can deliver more than just standard solutions? I’m a Certified Magento and Shopify expert with over 15 years of experience in eCommerce, helping businesses of all sizes launch, scale, and optimize their online stores. My work spans across industries such as fashion, healthcare, jewelry, and wholesale - always with a focus on creating secure, high-performing, and conversion-driven websites. ✨ My approach is straightforward: understand your unique business needs, build tailored ROI oriented solutions, and support you long-term with technical expertise and proactive problem-solving. ✅ Core Expertise: - Magento 2 development, customization & long-term support - Building custom modules and extensions for Magento 2 - Migration from Magento 1 → Magento 2 and other platforms → Magento - Shopify development, customization, and support - Migration from other platforms to Shopify - Shopify themes development and customization - Performance tuning & speed optimization - Regular audits, bug fixing & ongoing technical maintenance - QA testing and process improvements - SEO-friendly development & eCommerce best practices 🛠️ Tools & Technologies: - Languages/Frameworks: PHP, JavaScript, HTML, CSS, XML - Databases: MySQL - Magento Ecosystem: Magento 1 & 2 (Open Source & Commerce), Hyvä, Adobe Commerce Cloud - Shopify Ecosystem: Shopify, Liquid, Hydrogen, Polaris, Tailwind - Testing/QA: PHPUnit, Selenium, TestRail, BrowserStack - Dev & Collaboration: Git, Jira, Trello, Confluence, Slack - Other: REST & GraphQL APIs, Docker, Composer 📈 Why work with me: - Certified expert with deep technical expertise - 15+ years building and maintaining successful eCommerce solutions - Strong focus on UX, performance, and SEO for better conversions - Full-cycle support: planning, development, migration, launch & beyond - Clear communication, transparent reporting, and quick response times 🟢 Whether you need a new store, a smooth migration, or ongoing support for your existing project, I’ll make sure your eCommerce platform is reliable, scalable, and future-ready. Let’s discuss your project and build something impactful together!

Hi, I am Amit Singh and having 10+ years of significant and well-diversified experience in Cybersecurity domains, including ⭐Web Application penetration testing (SaaS, Cloud etc.)⭐Network Penetration testing(Servers, Active Directory, IoT etc.)⭐Web API pen-testing ⭐Mobile penetration testing (android & iOS)⭐Web 3.0 DApps & Smart Contract pen-testing (Blockchain technology)⭐ Source Code Review etc. 🏆Top Rated Profile on Upwork ✅I have performed penetration tests & vulnerability assessments and delivered professional reports to companies all over the world in accordance with: ☑️ Offensive Security (OSCP) standards ☑️ OWASP Top 10 Vulnerability ☑️ OWASP API Security Top 10 Vulnerability ☑️ OWASP Mobile Security Top 10 Vulnerability ☑️ Application Security Verification Standard 4.0 (ASVS 4.0) ☑️ CWE Top 25 Most Dangerous Software Errors ☑️ ISO 27001 Penetration Testing ☑️ Payment Card Industry Data Security Standard (PCI DSS) ☑️ General Data Protection Regulation (GDPR) ☑️ Common Vulnerability Scoring System (CVSS) ☑️ Open Source Security Testing Methodology Manual (OSSTMM) ✅ Cybersecurity Certifications:- ☑️ Certified eLearnSecurity Web application penetration tester (eWPT) ☑️ Certified API Security Professional( CASP) ☑️Certified Ethical hacker(CEH) ✅ The deliverable will be a professional Penetration Testing/Vulnerability Assessment report which includes: ☑️ Executive Summary ☑️ Assessment Methodology ☑️ Type of Tests ☑️Risk Level Classifications ☑️ Result Summary ☑️ Table of Findings ☑️ Detailed Findings. Each finds listed within the report will contain a CVSS score, Issue Description, Proof of Concept, Remediation, and Reference sections. ✅ Tool List (Acunetix, Nessus, BurpSuite Professional, Nmap, Netsparker, Metasploit Framework, OpenVAS, Mimikatz, SQLmap, Nikto, checkmax and Zaproxy etc. Note-For more info lets connect over the chat section. Thanks

You've got an idea, or a prototype that works in a demo. The hard part is making it real. Something that holds up when real users and real money show up. And keeps working as you grow. That's what I do. I take early-stage builds and make them production-grade. Not just features that work today, but a platform that lasts. 𝗪𝗵𝗼 𝗜 𝘄𝗼𝗿𝗸 𝗯𝗲𝘀𝘁 𝘄𝗶𝘁𝗵 You're building your first real platform. You know your business cold, you just need it built like it'll actually run. Or you've got an AI prototype (Cursor, Lovable, Bolt, ChatGPT) that demos well but isn't ready for real users. You need someone to make it solid. 𝗛𝗼𝘄 𝗜 𝗵𝗲𝗹𝗽 🛠 Plan and build your web or mobile app, from idea to launch. 🔒 Make a prototype production-ready. Security, scale, the parts that break under real load. ⚙️ Harden and upgrade existing systems so they hold up as you grow. 🤖 Add AI and automation where it actually saves time and money. 𝗔𝗯𝗼𝘂𝘁 𝗺𝗲 I've spent 6+ years building software for businesses and founders. I've built for companies like Air Methods and Dropbox, and helped first-time founders in media and healthcare get a real business off the ground. I care about one thing: software that does its job and keeps doing it. Fast to ship, solid under real use, built to grow with you. 𝗦𝘁𝗮𝗰𝗸 React, React Native, Next.js, Node, TypeScript, AWS, Azure. Project scoping and roadmaps. App support and maintenance. 𝗡𝗲𝘅𝘁 𝘀𝘁𝗲𝗽 Send me a message or invite me to your project. Tell me what you're building. Happy to walk you through how I'd approach it.

You cannot afford a data breach. Having secured industry giants like Dell, Western Union, DigitalOcean, and the Indian Government (NCIIPC), I bring enterprise-grade security expertise to your project. I am an OSCP and CREST Registered Penetration Tester with 6+ years of experience. I don't just run automated scanners that miss critical flaws, I use a systematic, manual approach (OWASP, NIST) to think like a hacker and find vulnerabilities before malicious actors do. 🛡️ Why Clients Trust Me: - Elite Certifications: OSCP, CREST (CRT & CPSA), ISO 27001 Lead Auditor, and (ISC)². - Manual Intelligence: I go beyond automated tools. I perform deep logic-based testing to find complex vulnerabilities in Business Logic, API endpoints, and Smart Contracts. - Clear Reporting: You receive a detailed report with Proof-of-Concept (PoC) screen captures, CVSS v4.0 risk scoring, and actionable remediation steps, not just technical jargon. 🛠️ My Security Services: 1. Web & Mobile Application Security (VAPT) - Comprehensive testing for Web Apps, APIs, and Thick Clients. - iOS & Android Security (Static & Dynamic Analysis). 2. Source Code Review & DevSecOps integration. 3. Cloud & Infrastructure Security - AWS, Azure, GCP, and DigitalOcean configuration audits. - Network VAPT, Container Security (Docker/K8s), and Firewall/Router hardening. - Active Directory & Windows/Linux Server hardening. 4. Emerging Tech Security (AI & Blockchain) - AI/LLM Security: Testing GenAI and Agentic AI models for prompt injection and jailbreaks. - Blockchain: Smart Contract auditing and IoT/Hardware security. ✅ My 4-Step Engagement Process: - Reconnaissance & Scanning: Using BurpSuite Pro, Nessus, custom scripts and other standard tools. - Manual Exploitation: Verifying false positives and exploiting complex flaws. - Reporting: Delivering a professional report with a management summary and technical fix guide. - FREE Retest: I will verify your fixes at no extra cost to ensure the holes are truly plugged. 🏆 Notable Achievements: - Acknowledged by NCIIPC (Government of India) for critical security submissions. - Secured platforms for: Fitbit, Skyscanner, UnderArmour, Mailgun, and Bharti Airtel. 🛠️ Technical Skills: - Vulnerability Assessment & Penetration Testing - Web Application VAPT - API VAPT - AI/Gen AI/Agentic AI Security Testing - Android & iOS Mobile ApplicationVAPT - Network VAPT - AWS/ Azure/ GCP/ DigitalOcean Cloud Security Audit and Penetration Testing - Microsoft Office 365 Security Audit or Configuration Review - Thick Client or Desktop Application VAPT - Active Directory Security - DevSecOps - Container Security - VoIP Penetration Testing/ Security Testing - IoT/Hardware Security Testing - Smart Contract Security Audit - Threat Modeling - Threat Intelligence - Open Source Intelligence - Security Configuration Review - Firewall, Switches, Router, Operating Systems and Servers Contact me to discuss your scope. Let’s secure your assets today.

✅ Amongst the Top 1000 hackers worldwide Web Pentesting | Mobile App Pentesting | API Pentesting | Vulnerability Assessment | Python & Bash Automation I work with companies to make their digital assets secure and provide solutions to enhance their security parameters. I create cybersecurity content on hackingloops.com explaining the practicalities and how-tos of the vulnerability and exploitation Part-time bug bounty hunter at Bugcrowd & Intigriti. Feel free to contact me for your queries and security-related issues.

I specialize in building secure, scalable, production-ready backend systems using Java, Spring Boot & microservices architecture for startups and enterprises. Back-end technologies: - Spring-framework, spring-security - JPA/Hibernate + Spring-Data - REST, GraphQL, and WebServices (Spring-Boot) - Apache Kafka, Camel - SQL, MySQL, PostgreSQL, MariaDB, MongoDB - Maven/Gradle/Ant Front-end technologies: - Spring-MVC, Struts - template engines: Thymeleaf, JSP/JSTL, GSP, Freemarker, Jtwig, Velocity - JQuery and Bootstrap - HTML5, CSS3, JavaScript - Angular, React SDLC - Agile and Scrum programming methodology - TDD using JUnit, Mockito, Karma (for UI) - Eclipse, STS and Intellij IDEA - Git, SVN, and CVS code repositories - Maven, Ant, and Gradle build tools - Jenkins and Bamboo CI servers - Docker, Kubernetes - Bash scripting, Server Administration Cloud - Amazon cloud deployment using EC2 - Amazon file sharing S3 - Amazon cloud database using RDS - Amazon based messaging (SNS and SQS) - Google cloud platform - Heroku based could deployment - VPS setup and administration