Testing / QA Specialists para contratar
Mostrando 209 resultados
Freelancers patrocinados
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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. menos
Contratar johnnier3
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Verificación de software, Verificación / QA, Verificación de usabilidad, Testing de aplicaciones móviles, Automatización de pruebasI am a dedicated Software Tester with comprehensive training in manual and automated testing, including ISTQB fundamentals, API testing, and Agile methodologies. Skilled in analyzing requirements, designing effective test cases, executing tests, and reporting defects clearly. Experienced in using test tools like Jira,...I am a dedicated Software Tester with comprehensive training in manual and automated testing, including ISTQB fundamentals, API testing, and Agile methodologies. Skilled in analyzing requirements, designing effective test cases, executing tests, and reporting defects clearly. Experienced in using test tools like Jira, Postman, and Selenium. I bring strong attention to detail, problem-solving skills, and effective communication to ensure high-quality software delivery. Ready to contribute to your project’s success by improving software reliability and user experience. menos
Contratar antonyf8
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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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Testing de aplicaciones móviles, Pruebas de Regresión, Verificación de software, Verificación / QA, Verificación de usabilidadI would describe myself as a detail-oriented and proactive professional, passionate about software quality and continuous improvement. I enjoy working in collaborative environments, learning new technologies, and contributing to the success of the team by identifying risks and ensuring reliable software delivery.I would describe myself as a detail-oriented and proactive professional, passionate about software quality and continuous improvement. I enjoy working in collaborative environments, learning new technologies, and contributing to the success of the team by identifying risks and ensuring reliable software delivery. menos
Contratar sindycarolinap
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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. menos
Contratar 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. menos
Contratar globaltechnosys
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With 8+ years of experience in internet marketing and design, I help businesses create clean, modern, and effective digital experiences. I specialize in UX/UI design, front-end development, branding, and email marketing—offering both digital and print solutions tailored to your goals. ✅ Minimalist & conceptual design...With 8+ years of experience in internet marketing and design, I help businesses create clean, modern, and effective digital experiences. I specialize in UX/UI design, front-end development, branding, and email marketing—offering both digital and print solutions tailored to your goals. ✅ Minimalist & conceptual design style ✅ Strong work ethic and attention to detail ✅ Proven success with both corporate and personal clients ✅ Focused on results: engagement, usability & visual appeal ✅ Tools: Figma, Adobe Creative Suite, HTML/CSS Let’s bring your ideas to life with smart, creative design that works. menos
Contratar advance339
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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! menos
Contratar 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. menos
Contratar eclairios
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What if your website didn’t just work, but worked wonders? Because you're not hiring a coder, you are gaining a strategic ally who… - Responds fast, communicates daily, and never disappears after delivery. - Offers real-time support, even after the project. - Delivers solutions that boost user experience and...What if your website didn’t just work, but worked wonders? Because you're not hiring a coder, you are gaining a strategic ally who… - Responds fast, communicates daily, and never disappears after delivery. - Offers real-time support, even after the project. - Delivers solutions that boost user experience and performance, not just "meet requirements." For over a decade, my goal has been to deliver websites that run smoother, load faster, and feel so intuitive that your visitors stay longer, convert more, and remember you. Major Expertise in: ✔ Shopify theme builder and customizer ✔ Personalize WordPress theme and plugin ✔ Apache Tomcat, Wildfly, NGINX SQL ✔ PSD to HTML ✔ PSD to WordPress/Shopify ✔ Full E commerce Website ✔ Custom Portfolio / Business Websites ✔ Laravel Development ✔ PHP ✔ jQuery / jQuery UI Your audience is waiting. Let’s give them an experience they’ll never forget. menos
Contratar waqaswebmaster
