Testing / QA Specialists para contratar
Mostrando 208 resultados
Freelancers patrocinados
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Hi, I'm Johnnie Reece, a Preferred Freelancer and senior full-stack, mobile & emerging tech expert with 10+ years delivering enterprise-grade, high-performance solutions for startups and Fortune 500 companies. 🚀 Core expertise and current tech stack: → Frontend & Web 🌐: React 18+, Next.js 14/15 (App Router, Server...Hi, I'm Johnnie Reece, a Preferred Freelancer and senior full-stack, mobile & emerging tech expert with 10+ years delivering enterprise-grade, high-performance solutions for startups and Fortune 500 companies. 🚀 Core expertise and current tech stack: → Frontend & Web 🌐: React 18+, Next.js 14/15 (App Router, Server Actions), Angular 17/18+, TypeScript, Tailwind CSS, Redux Toolkit, React Query, Zustand, shadcn/ui → Mobile 📱: React Native, Flutter, Expo, Firebase — cross-platform iOS/Android apps with native feel → Backend & APIs ⚙️: C# .NET 8/9, ASP.NET Core, EF Core, SignalR, gRPC; Python (FastAPI, Django, Flask) → CMS & E-commerce 🛒: WordPress, WooCommerce, Elementor — custom themes/plugins, secure & optimized sites → Blockchain & Web3 ⛓️: Solidity, Ethereum, Smart Contracts, Web3.js, Ethers.js, Hardhat — dApps, NFTs, DeFi → Automation 🤖: Python (Selenium, Scrapy), RPA, Zapier/n8n, custom bots & AI tools → Cloud & DevOps ☁️: AWS (Lambda, ECS/Fargate, RDS, S3, Cognito, CDK), Docker, Terraform, GitHub Actions, CI/CD What I deliver – every project: ✅ Pixel-perfect, responsive web & mobile apps (98–100 Lighthouse scores) ✅ Native-feeling cross-platform mobile solutions (React Native + Flutter) ✅ Secure, scalable backends (.NET/Python) with real-time, OAuth2, PCI compliance ✅ High-performance WordPress/WooCommerce sites & custom plugins ✅ Blockchain dApps, smart contracts & Web3 integrations ✅ Automation bots, scraping, workflows & cost-saving optimizations ✅ Full-cycle development: analysis → architecture → MVP → deployment → support ✅ Smooth legacy migrations to modern stacks (React/Next + mobile + .NET/Python + AWS) ✅ Auto-scaling, cost-optimized infrastructure with 99.99%+ uptime My approach: I act as your technical partner — daily updates with live demos, direct access (no middlemen), proactive advice on architecture, performance, security & costs. Code is clean, documented, and built for long-term maintainability & easy handoff. Clients return because I deliver faster, cleaner, more reliably — with zero surprises and maximum value. Ready to launch your project with a verified Preferred Freelancer skilled in web, mobile, WordPress, blockchain, automation & cloud? Message me now! I reply fast and can start immediately. Let's create something exceptional! 💼 menos
Contratar johnnier3
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Verificación / QA, Verificación de páginas web, Integración de API, Aprendizaje Automático (ML), PythonGreat ideas deserve great engineering. I turn ambitious concepts into reliable, production-ready software that drives real results. I build modern, scalable, and secure systems using Python, FastAPI, Django, PostgreSQL, and React, helping startups and businesses launch products that perform — fast. 🤖 From AI-powered...Great ideas deserve great engineering. I turn ambitious concepts into reliable, production-ready software that drives real results. I build modern, scalable, and secure systems using Python, FastAPI, Django, PostgreSQL, and React, helping startups and businesses launch products that perform — fast. 🤖 From AI-powered features (OpenAI integrations) to custom backends and full-stack builds, I bring the technical depth and business focus to make your vision real. 🐳 With Docker, Nginx, and strong testing pipelines, I ensure every product is clean, scalable, and built to last. 💼 Looking for someone who understands both business goals and technical excellence? Let’s build something remarkable together. menos
Contratar muteebu007
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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. menos
Contratar ahad47
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Welcome to Xipe Tech, where innovation meets excellence. We are a leading solution provider specializing in a diverse range of software development services, equipped with a talented team of 35 skilled developers. Our mission is to empower businesses by delivering cutting-edge solutions tailored to their unique...Welcome to Xipe Tech, where innovation meets excellence. We are a leading solution provider specializing in a diverse range of software development services, equipped with a talented team of 35 skilled developers. Our mission is to empower businesses by delivering cutting-edge solutions tailored to their unique needs. Comprehensive Services At Xipe Tech, we pride ourselves on our extensive expertise across various domains, including: Game Development: Crafting immersive and engaging gaming experiences that captivate users and drive engagement. Mobile Development: Building high-performance, applications that work seamlessly on both iOS and Android devices. Artificial Intelligence and Machine Learning: Leveraging AI and ML to develop intelligent systems that enhance decision-making and automate processes. Backend Technologies: Proficient in Node.js, ensuring robust and scalable server-side solutions. Frontend Technologies: Utilizing Angular, React, and other frameworks to create dynamic and user-friendly interfaces. Cloud Technologies: Implementing scalable cloud solutions that enhance performance and reliability. Website development :Xipe Tech delivers high-quality website development services, creating responsive and custom websites tailored to meet diverse business needs across various industries. Our team excels in both frontend and backend development, offering end-to-end solutions that encompass server management, database integration, and cloud deployment. With our holistic approach, we ensure that every aspect of your project is covered, allowing for seamless integration and functionality. With over 12 years of industry experience, we have successfully completed many development projects, earning a reputation for delivering high-quality solutions on time and within budget. Our commitment to excellence is reflected in our 5-star ratings and satisfied clientele. We understand the importance of collaboration in achieving project success. That’s why we guarantee constant communication with our clients throughout the development process, ensuring that your vision is realized at every stage. Your Partner in Success Whether you're a startup looking to establish your digital presence or an enterprise seeking to optimize your operations, Xipe Tech is your trusted partner in navigating the ever-evolving tech landscape. Together, let’s transform your ideas into reality and drive your business forward. Join us at Xipe Tech, where your success is our priority! menos
Contratar fattahaabdul
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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. menos
Contratar globaltechnosys
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We are a small team with 3+ years of combined experience in mobile and web app development. Our expertise spans building high-quality Android, iOS, and cross-platform apps using Java, Kotlin, and Flutter, as well as developing scalable web applications. On the backend, we specialize in creating secure and efficient...We are a small team with 3+ years of combined experience in mobile and web app development. Our expertise spans building high-quality Android, iOS, and cross-platform apps using Java, Kotlin, and Flutter, as well as developing scalable web applications. On the backend, we specialize in creating secure and efficient REST APIs using Django, FastAPI, Node.js (Express), and Java Spring Boot. Mobile Development: Android & iOS (Java, Kotlin, Flutter) Web Development: Scalable and responsive applications REST API Development: Django, FastAPI, Node.js (Express), Spring Boot As a team, we focus on delivering reliable, high-performance solutions that integrate smoothly across platforms and ensure long-term scalability. menos
Contratar arehman171
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Dominantsoftech Dominantsoftech
$15 USD / hora
Full-Stack Dev | Node.js, Laravel | Mobile AppsIndiaI help startups and growing businesses build fast, secure, and scalable digital products using modern technologies. From clean, conversion-focused frontends to robust backend systems, I focus on performance, reliability, and long-term maintainability. Whether you’re launching an MVP, upgrading an existing platform,...I help startups and growing businesses build fast, secure, and scalable digital products using modern technologies. From clean, conversion-focused frontends to robust backend systems, I focus on performance, reliability, and long-term maintainability. Whether you’re launching an MVP, upgrading an existing platform, or scaling your product, I work as a technical partner, not just a developer. What I Specialize In 🌐 Frontend (Modern & High-Performance) • React.js, Next.js, TypeScript • HTML5, CSS3, Tailwind, Bootstrap • Pixel-perfect UI from Figma / Adobe XD • Fast rendering, SEO-friendly, mobile-first design ⚙️ Backend & APIs • Node.js, Express • PHP (Laravel, CodeIgniter, Core PHP) • REST APIs, secure authentication • Scalable database design (MySQL, PostgreSQL) 📱 Mobile App Development • Android & iOS apps • Performance-optimized, production-ready builds 🛒 CMS & E-Commerce • WordPress (custom themes & plugins) • Shopify, Magento Why Clients Invite Me ✔ Clear communication & realistic timelines ✔ Clean, well-documented, maintainable code ✔ Performance, security & scalability focused ✔ Long-term support and improvement mindset If you’re looking for a developer who understands both technology and business goals, I’d be happy to discuss your project and suggest the best approach. menos
Contratar Dominantsoftech
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Hi! I'm Hung, a seasoned Full-Stack Developer with over 5 years of expertise, I specialize in crafting scalable , high-performance web applications and management systems that align with your business goals. Utilizing cutting-edge technologies like Php, Laravel, Python, Node.js, Vue.js, React, WordPress, Magento,...Hi! I'm Hung, a seasoned Full-Stack Developer with over 5 years of expertise, I specialize in crafting scalable , high-performance web applications and management systems that align with your business goals. Utilizing cutting-edge technologies like Php, Laravel, Python, Node.js, Vue.js, React, WordPress, Magento, CodeIgniter, and Shopify, I deliver exceptional results on time and within budget. 💻 My Expertise Backend Mastery ✓ PHP Frameworks: Expert in Laravel, CodeIgniter, CakePHP, and Yii. ✓ Python Expertise: Skilled in Flask, Django, FastAPI, Celery, and WebSocket integrations. ✓ Node.js Mastery: Experience with Express.js, NestJS, Hapi.js, Sails.js, and real-time applications using Socket.IO. ✓ Database Expertise: Proficient in MySQL, PostgreSQL, MongoDB, SQLite, NoSQL, and SQL Server--optimized for performance. ✓ API Development: Specializing in RESTful and GraphQL APIs with seamless third-party integrations. ✓ CMS Expertse: Extensive experience with Magento 1 & 2, WordPress, Squarespace, Shopify, and more. Frontend Excellence ✓ Core Languages: HTML5, CSS3, JavaScript (ES6+), TypeScript, jQuery. ✓ Frameworks/Libraries: Vue.js (Next and Nuxt), React, Angular, Alpine.js, Bootstrap, and Tailwind CSS. ✓ Specialties: Proficient in Progressive Web Apps (PWA), PSD/Figma-to-HTML conversions, ensuring pixel-perfect, responsive designs. ✨Services I Offer ✓ Custom Web Applications: Tailored solutions built from the ground up or optimized for performance. ✓ API Development & Integration: From RESTful to GraphQL, ensuring smooth data flow. ✓ E-commerce Solutions: Customization for platforms like Magento, Shopify, and WooCommerce. ✓ Scalable Backend Solutions: Designed for high-traffic systems. ✓ Frontend Development: User-friendly interfaces powered by Vue.js or React. ✓ Ongoing Maintenance & Support 🎯 Why Clients Choose Me ? ✔️ Proven Experience ✔️ Problem Solver ✔️ Commitment to Excellence ✔️Your Success is My Goal Results You Can Expect ✓ Optimized for performance and scalability. ✓ Aligning with your business goals and growth strategies. ✓ Focusing on performance, security, and scalability. Ready to Get Started? Let's connect today! I am committed to building long-term partnerships. Feel free to reach out with any questions or project inquiries. KEYWORDS: #WordPress #PHP #Laravel #Vue #MVC #Python #MySQL #WebDesign #WebAPI #NodeJS #ReactJS #Backend #Frontend #FullStack #Shopify menos
Contratar giaphung2k1
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Hi, I'm Ashish Kumawat, a Software Engineer with 5 years of experience in web and e-commerce development. I specialize in creating innovative, efficient, and scalable digital solutions to enhance your online presence. Skills & Expertise: Web Development: HTML, CSS, JavaScript, React, Angular, Vue.js E-commerce...Hi, I'm Ashish Kumawat, a Software Engineer with 5 years of experience in web and e-commerce development. I specialize in creating innovative, efficient, and scalable digital solutions to enhance your online presence. Skills & Expertise: Web Development: HTML, CSS, JavaScript, React, Angular, Vue.js E-commerce Solutions: Shopify, WooCommerce, WordPress, Magento Backend Development: Node.js, Python, PHP, Ruby on Rails Database Management: MySQL, PostgreSQL, MongoDB SEO & Performance Optimization Version Control: Git, GitHub Services Offered: Custom Website Development E-commerce Website Development Shopify Store Setup and Customization Responsive Web Design API Integration Website Maintenance SEO Optimization Why Choose Me? Client-Centric: Understanding your business goals and tailoring solutions to meet them. Quality & Efficiency: High-quality work delivered on time. Clear Communication: Regular updates and transparent communication. Long-term Partnership: Ongoing maintenance and support available. Ready to elevate your digital presence? Let's connect! menos
Contratar ashishkumawat022
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Verificación / QA, Verificación de software, Verificación de usabilidad, Verificación de páginas web, Testing de aplicaciones móviles✅ Experienced Software Tester with 6+ years in manual and automation testing across web and mobile platforms. ✅ Use Java with Selenium and maven tool. ✅ TestNg Framework and Cucumber. ✅ Proficient in identifying bugs, writing test cases, and ensuring flawless functionality. ✅ Strong understanding of user experience...✅ Experienced Software Tester with 6+ years in manual and automation testing across web and mobile platforms. ✅ Use Java with Selenium and maven tool. ✅ TestNg Framework and Cucumber. ✅ Proficient in identifying bugs, writing test cases, and ensuring flawless functionality. ✅ Strong understanding of user experience and performance optimization. ✅ Familiar with bug tracking tools like JIRA, Trello, and TestRail. ✅ Capable of end-to-end project handling from QA to deployment. ✅ Excellent problem-solving skills with attention to detail and quality assurance. ✅ Reliable, deadline-driven, and committed to client satisfaction. ✅ Open to both short-term tasks and long-term collaborations. Why Choose Me? High-quality results. Clear Communication: Always aligned with client expectations and deadlines. Let's connect and discuss how I can help deliver high-quality software for your projects! menos
Contratar aanchalt5
