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高级威客
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Hi, I'm Johnnie Reece, a Preferred Freelancer on this platform and a senior full-stack developer with over 10 years of experience delivering enterprise-grade, high-performance web applications for startups and Fortune companies. Core expertise and current tech stack: • Frontend: React 18+, Next.js 14/15 (App Router,...Hi, I'm Johnnie Reece, a Preferred Freelancer on this platform and a senior full-stack developer with over 10 years of experience delivering enterprise-grade, high-performance web applications for startups and Fortune companies. Core expertise and current tech stack: • Frontend: React 18+, Next.js 14/15 (App Router, Server Actions, Server Components), Angular 17/18+, TypeScript, Tailwind CSS, Redux Toolkit, React Query, Zustand, shadcn/ui • Backend: C# .NET 8 / .NET 9, ASP.NET Core Web API, Entity Framework Core, Minimal APIs, SignalR, gRPC • Cloud & DevOps: AWS (Lambda, ECS/Fargate, RDS, S3, CloudFront, Cognito, AppSync, CDK/IaC), Docker, GitHub Actions, Terraform What I deliver – consistently, on every project: → Pixel-perfect, fully responsive interfaces with 98–100 Lighthouse scores → Clean, modular, and well-documented architecture built for long-term maintainability and scale → End-to-end development: requirements analysis, architecture design, MVP delivery, production deployment, and post-launch support → Secure, high-performance backends (OAuth2/OpenID, PCI-compliant patterns, real-time features) → Cost-optimized AWS infrastructure with 99.99%+ uptime and auto-scaling → Smooth legacy migrations to modern React/Next.js + .NET 8/9 + AWS stacks → On-time, on-budget delivery with fixed-price or milestone structures My working approach: I operate as a true technical partner, not just a coder. You receive daily progress updates with live demos, direct access to me (no middlemen), proactive recommendations on architecture, performance, and cost optimization, and code that follows industry best practices and is ready for future team handoff. Clients return because projects are delivered faster, cleaner, and more reliably than expected — with zero surprises. Ready to work with a verified Preferred Freelancer who is fully up-to-date with standards and consistently exceeds expectations? Message me today to discuss your project. I typically respond within minutes and can start immediately. 收起
雇用 johnnier3
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⭐ Among Top 2% Freelancers ⭐☑️ 🛠️ "Verified & Preferred Freelancer | 14+ Years in Quality Assurance & software Testing Across Web, Mobile & Desktop."🛠️ 🎯 ISTQB Expert-Level Certified Software Tester 🎯 👋 Welcome & Thanks for Visiting My Profile! I’m a Full-time Freelance Software Quality Assurance Analyst with 14+...⭐ Among Top 2% Freelancers ⭐☑️ 🛠️ "Verified & Preferred Freelancer | 14+ Years in Quality Assurance & software Testing Across Web, Mobile & Desktop."🛠️ 🎯 ISTQB Expert-Level Certified Software Tester 🎯 👋 Welcome & Thanks for Visiting My Profile! I’m a Full-time Freelance Software Quality Assurance Analyst with 14+ years of proven industry experience in testing Desktop, Web, and Mobile (Android & iOS) Applications. My goal is to ensure bug-free, user-friendly, and high-performing software solutions for my clients. 🔹 My Services ✔️ Software Testing ✔️ Website Testing ✔️ Android Mobile App Testing ✔️ iOS Mobile App Testing ✔️ Desktop windows Application Testing ✔️ iPad Application Testing 🔹 Professional Summary ✨ 14+ years of hands-on experience in Software Testing & QA ✨ Specialized in Desktop, Web & Mobile App Testing ✨ Skilled in Test Plans, Test Scenarios, Test Cases, Execution & Reporting ✨ Proficient in Bug Lifecycle Management using tools like Jira, Bugzilla, Redmine, Mantis, HP ALM, TestRail, TestLink and more ✨ Strong analytical, documentation, and problem-solving skills ✨ Excellent client communication & collaboration abilities ✨ Detail-oriented team player with a focus on quality delivery 🔹 Web Application Testing Expertise 🌐 UI & Cross-Browser Testing ⚡ Smoke, Sanity, Integration & Regression Testing 🧩 Functional & System Testing 👨💻 Usability & Compatibility Testing 🚀 Performance & Load Testing 🔐 Security Testing 🌍 Localization & User Acceptance Testing 🔹 Mobile Application Testing Expertise 📲 Installation Testing 🧩 Functional Testing 👨💻 Usability & Compatibility Testing 🚀 Performance & Load Testing 🔐 Security Testing 🌍 Localization Testing 🔹 Tools & Platforms 🛠 Bug Tracking & Test Management Tools: JIRA | Mantis | Bugzilla | Redmine | Unfuddle | ClickUp | HP ALM | TestRail | TestLink | XStudio 💻 Test Devices Availability: ✔️ Windows (7, 8.1, 10, 11) ✔️ MacBook ✔️ Android devices (OS v8 – v15) ✔️ iPhones- 6S ,12, 15 ✔️ Samsung Galaxy Tab ✔️ iPad Mini 5 🔹 Test Deliverables 📑 100% coverage of test cases with execution status (Pass/Fail) 📊 Detailed Bug/Issue Summary Report (Excel / Google Sheets) including: Issue Summary & Description Affected Devices/OS details Screenshots & Video Proofs Clear Steps to Reproduce 💬 Online availability for bug clarifications until resolution 💡 Why Choose Me? ✅ 14+ Years of Proven QA Experience ✅ Wide Range of Device & OS Coverage ✅ Clear, Transparent, & Timely Communication ✅ Commitment to Delivering Quality Software 📩 Let’s Connect! Feel free to reach out for any queries or project discussions — I’m always available to ensure your product is tested to perfection. ✨ Your Quality is My Priority! ✨ 🌍 "Your trusted QA partner for delivering software that works everywhere, every time." Thanks, Lokesh. 📌 Available for both short-term and long-term projects — committed to delivering quality, on-time results every time. 收起
雇用 lokeshnadh6287
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I am on a mission to change the quality of software services provided on freelancer platforms. i know Android/IOS/Flutter inside out, not hesitant to explore any unknown territory, so you can get your ideas converted to products on one of the most competitive prices. Some of our skills (not limited to) include local...I am on a mission to change the quality of software services provided on freelancer platforms. i know Android/IOS/Flutter inside out, not hesitant to explore any unknown territory, so you can get your ideas converted to products on one of the most competitive prices. Some of our skills (not limited to) include local databases, Location, Maps, Firebase (FCM), Web APIs (both development and integration), Prototyping. 收起
雇用 s9iper1
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With over 10 years of experience in cybersecurity, I specialize in protecting businesses and individuals from cyber threats. I've worked across industries such as finance, healthcare, and retail, helping clients secure their digital infrastructure with tailored solutions. What I Can Do for You: Web Application...With over 10 years of experience in cybersecurity, I specialize in protecting businesses and individuals from cyber threats. I've worked across industries such as finance, healthcare, and retail, helping clients secure their digital infrastructure with tailored solutions. What I Can Do for You: Web Application Penetration Testing I uncover vulnerabilities like SQL injection, cross-site scripting (XSS), and authentication flaws, ensuring your web applications are secure from attacks. Network Security Assessments I assess your network infrastructure, identifying weaknesses in firewalls, routers, and internal systems to prevent unauthorized access and data breaches. Cloud Security Audits I review your cloud setup to ensure proper configurations, access control, and encryption, keeping sensitive data secure. API Security Testing I help secure your APIs by identifying vulnerabilities like broken authentication, authorization flaws, and data exposure. Mobile Application Security Testing I analyze your mobile apps for security issues, such as insecure data storage and weak encryption, ensuring a safe experience for your users. Forensics & Malware Analysis I investigate suspicious activity and malware across networks, PCs, and mobile devices. My forensic analysis helps track and eliminate threats while providing insights into how the attack occurred and how to prevent future breaches. Vulnerability Scanning & Reporting I provide thorough vulnerability scans and deliver detailed reports with prioritized recommendations, helping you fix issues efficiently. Security Hardening I implement best practices in secure coding, encryption, and multi-factor authentication to protect your systems from future attacks. Compliance & Risk Assessments I ensure your business meets industry compliance standards, such as GDPR, HIPAA, and PCI DSS, while improving your overall security posture. Why Clients Choose Me: Proven Expertise With over 10 years of experience, I’ve secured businesses of all sizes and industries, delivering real results that prevent cyberattacks and strengthen defenses. Tailored Solutions Every business has unique security needs, and I customize my services to fit your specific requirements, ensuring the best protection. Actionable Reporting I don’t just identify risks—I provide easy-to-understand, actionable recommendations so you can address vulnerabilities immediately. Ongoing Support I offer continuous support and guidance, helping you stay ahead of evolving threats and ensuring your security remains strong. Let’s Work Together: Whether you need penetration testing, forensic investigation, malware analysis, or ongoing security assessments, I’m here to help. Let’s discuss how I can provide tailored security solutions to protect your business from cyber threats. 收起
雇用 ahad47
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Are you searching for a dynamic and skilled IT professional to elevate your business? Look no further! I am an experienced freelancer offering a wide range of services to boost your online presence and drive success. With a passion for quality assurance software testing, I ensure flawless software performance. As a...Are you searching for a dynamic and skilled IT professional to elevate your business? Look no further! I am an experienced freelancer offering a wide range of services to boost your online presence and drive success. With a passion for quality assurance software testing, I ensure flawless software performance. As a Cisco Certified Network Associate (CCNA), I excel in network engineering, optimizing network infrastructures with precision. For seamless system administration, I manage servers and maintain optimal performance in Linux and Windows environments. TestRail expertise streamlines testing processes, enhancing efficiency. I bring creativity and technical prowess to web design and development, crafting engaging user experiences and visually stunning designs. From ecommerce platforms to personal portfolios, I bring your vision to life. As a multilingual translator (Urdu to English), I bridge linguistic barriers and expand your reach. I also offer expert teaching in English, computer science, and IT subjects. From data entry to database administration (MySQL and Microsoft SQL), finance, and business administration, my meticulous attention to detail and organizational skills drive operational efficiency. As a Microsoft Certified Specialist in PowerPoint, Excel, and Word, I create impactful presentations, automate spreadsheets, and produce professional documents. Proficient in Microsoft Azure and AWS, I deploy, manage, and optimize secure and scalable cloud environments for your business needs. For hassle-free web hosting and domain registration, I specialize in cPanel/WHM, WHMCS, WordPress, and Joomla configuration and installation. I am a versatile IT professional with expertise in quality assurance software testing, network engineering, system administration, web design and development, translation services, and more. Let's collaborate and drive tangible business growth together! 收起
雇用 wallymna
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I create full digital experiences, not just websites. Everything I build looks polished, feels intuitive, and performs seamlessly. Highly experienced in: ⤷ Web development with WordPress, Webflow, and Shopify ⪢ UI/UX design and branding ⤷ SEO, automation, and API integrations ⪧ Graphic design, AI, and custom tech...I create full digital experiences, not just websites. Everything I build looks polished, feels intuitive, and performs seamlessly. Highly experienced in: ⤷ Web development with WordPress, Webflow, and Shopify ⪢ UI/UX design and branding ⤷ SEO, automation, and API integrations ⪧ Graphic design, AI, and custom tech solutions My strengths include building high-performing websites, crafting seamless user experiences, implementing smart marketing strategies, and delivering results-driven solutions. I help bring your ideas to life online, making them personal, professional, and effective. 收起
雇用 strdmgrblr
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Hi there, This is Kishore, a Full Stack Developer at Global Technosys, a company with over 18 years of experience in delivering cutting-edge web solutions. With my extensive expertise, I bridge the gap between front-end and back-end development to craft robust, scalable, and user-friendly applications tailored to...Hi there, This is Kishore, a Full Stack Developer at Global Technosys, a company with over 18 years of experience in delivering cutting-edge web solutions. With my extensive expertise, I bridge the gap between front-end and back-end development to craft robust, scalable, and user-friendly applications tailored to meet your business goals. My technical proficiency spans a wide range of web technologies, ensuring comprehensive solutions for your needs: Skills: - Full-Stack Development - PHP, Laravel, CodeIgniter - Android and IOS App Development - Flutter App Development - JavaScript (including modern frameworks) - LMS System Development - POS System Development - Food delivery system Development - HTML/CSS - SQL and Database Design - Figma (UI/UX Design) - API Development and Integration - Responsive and Mobile-First Design - CMS Platforms (WordPress, Shopify, etc.) I look forward to collaborating with you and bringing your vision to life with innovation and precision. 收起
雇用 globaltechnosys
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I’m an experienced software developer with a strong background in building reliable, efficient, and user-friendly software solutions. Since I'm new to this platform, I’m currently offering my services at a reduced rate, while keeping my commitment to quality, clear communication, and on-time delivery the same. If...I’m an experienced software developer with a strong background in building reliable, efficient, and user-friendly software solutions. Since I'm new to this platform, I’m currently offering my services at a reduced rate, while keeping my commitment to quality, clear communication, and on-time delivery the same. If you’re looking for a developer who takes pride in their work, values collaboration, and delivers results that align with your goals, I’d be excited to help bring your project to life. 💡 Key Expertise: 🤖 AI & Automation — n8n, Power Automate, OpenAI / GPT Workflows 🔗 API Integration — REST, Webhooks, Supabase, Firebase 💻 Frontend — React, Vue.js, Next.js, Tailwind CSS, Flutter ⚙️ Backend — Node.js, Java, Express, PHP ☁️ Cloud & Databases — AWS, Supabase, MySQL, PostgreSQL 🎨 UI/UX & Design — Modern, intuitive, and responsive interfaces Message me for a FREE consultation. Let's make your vision become a reality! 收起
雇用 venplura
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Member of the Top 1% Freelancer.com Apps and Website Development Group I am a Professional Software Engineer with over 10 years of experience delivering innovative solutions across various platforms and industries. I specialize in designing, developing, and maintaining high-quality applications that meet and exceed...Member of the Top 1% Freelancer.com Apps and Website Development Group I am a Professional Software Engineer with over 10 years of experience delivering innovative solutions across various platforms and industries. I specialize in designing, developing, and maintaining high-quality applications that meet and exceed client expectations. Core Skills ✔ Android Apps ✔ iOS Apps ✔ Flutter Apps ✔ Website Development ✔ CMS Development ✔ Windows & Mac Apps ✔ Backend, API & Database Development ✔ App/Website Testing and QA ✔ Forex/Trading Apps Areas of Expertise ✔ Advanced UI/UX Design ✔ Firebase: Storage, Auth, Analytics, AdMob Ads, ✔ Agora: Audio/Video Calling ✔ Push Notifications, Cloud Messaging, Twilio SMS/Chat ✔ Custom API Development ✔ Payment Gateways: Google Pay, PayPal, Stripe, Authorize.net, WePay ✔ Google Maps and APIs ✔ Parse Server SDK ✔ EMV SDK Integration ✔ Advanced Encryption: AES256, Hashing, Base64 ✔ QR Code Generation & OCR (Image-to-Text) ✔ Audio/Video Players & Live Streaming ✔ GPS Integration ✔ Contacts, SMS & Call Logs ✔ Sensor Integration Why Choose Me? ⭐ Customer Satisfaction is my top priority. ⭐ No Upfront Payments – Pay only when you’re satisfied with the work. ⭐ Free Post-Maintenance Support for up to 3 months. ⭐ 100+ Projects Completed with a perfect 5-star rating. ⭐ Free Project Consultation to help you make the best decisions for your business. 收起
雇用 eclairios
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Hello and welcome! 👋 I’m a seasoned Data Analyst, Web Developer, QA Specialist, and Technical Writer with 10 years of professional experience helping businesses turn ideas into reliable, scalable, and impactful solutions. 📊 I specialize in data analysis and visualization using Python, R, SQL, Excel, Power BI,...Hello and welcome! 👋 I’m a seasoned Data Analyst, Web Developer, QA Specialist, and Technical Writer with 10 years of professional experience helping businesses turn ideas into reliable, scalable, and impactful solutions. 📊 I specialize in data analysis and visualization using Python, R, SQL, Excel, Power BI, Tableau, Pandas, NumPy, and SPSS to deliver actionable insights that support data-driven decisions. 💻 In web development, I build modern, responsive, and performance-optimized websites and applications using HTML5, CSS3, JavaScript, React.js, Vue.js, AngularJS, Next.js, Node.js, Django, Laravel, MongoDB, WordPress, Wix, and Shopify. 🕵️♂️ As a QA professional, I ensure software quality through manual and automated testing, regression testing, performance analysis, and usability testing for web, mobile, and game applications. ✍️ As a technical writer, I create user-friendly documentation, manuals, web content, and reports that make complex information clear and accessible. 🚀 Over the years, I have helped clients improve reporting efficiency, scale web apps to handle thousands of users, reduce system errors, and enhance user engagement. 🌍 My work philosophy is simple: clarity, quality, communication, and client success. I stay up to date with evolving technologies and adapt quickly to meet project needs. 🤝 If you are looking for a professional who can combine data, development, testing, and writing into one complete package, I’d be happy to collaborate with you. Thanks 收起
雇用 zeenatmuzaffar
