Performance Tuning Specialists para contratar
Mostrando 35 resultados
Freelancers patrocinados
-
Contratar iosifpeterfi
Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are...Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are effortless. Strengths: Infrastructure architecture & operations (Linux/Windows, virtualization, networking) Security hardening, identity & access, monitoring/observability Automation & DevOps practices (CI/CD, config management, IaC) Migrations and upgrades with minimal downtime Concise runbooks, risk-aware planning, and stakeholder-friendly communication Certifications: CompTIA Security+, Microsoft MCSE/MCSA/MCITP Languages: English (C2), German (C1), native Romanian Location: Germany • NDA-friendly • Reliable and responsive menos -
Contratar rizwanenayat
﷽ I am an experienced web developer focused on delivering clean, fast, and reliable websites. I specialize in WordPress,Shopify HTML/CSS/JS, and website maintenance projects, helping businesses improve functionality without disturbing their existing layout or SEO structure. Over the years, I have worked on live...﷽ I am an experienced web developer focused on delivering clean, fast, and reliable websites. I specialize in WordPress,Shopify HTML/CSS/JS, and website maintenance projects, helping businesses improve functionality without disturbing their existing layout or SEO structure. Over the years, I have worked on live production websites where I successfully: * Fixed responsive and design issues * Integrated branding updates * Refactored code for better performance * Deployed changes safely with zero downtime ⭐⭐⭐⭐⭐ My Technical Skills/Expertise Included: ⭐⭐⭐⭐⭐ HTML5, CSS3, HTML, CSS, Bootstrap, Responsiveness WordPress, WooCommerce, Elementor pro, PHP, jQuery, JavaScript. Shopify, Squarespace, Joomla, Magento, All CMS, Full Stack Development. ✅ I am Verified Freelancer ✅ I am Preferred Freelancer ✅ I am offering unlimited revisions of my work within your budget My approach is simple: understand your goals, follow best practices, and deliver updates that work flawlessly for end users. **Why hire me?** * 5.0 rating and proven track record * Fast communication * High-quality, well-structured code * On-time delivery Whether you need small tweaks or ongoing website improvements, I ensure a smooth and stress-free development experience. Let’s discuss your project and get it done the right way. menos -
Contratar Bwatter
🌟Your success is guaranteed as my progress depends on it 🌟 I provide fast, high-quality solutions to your project needs quickly and I am available, feel free to drop a message to initiate a chat 💬. I know you need someone who understands your goals, and is available to help you always by ensuring you succeed because...🌟Your success is guaranteed as my progress depends on it 🌟 I provide fast, high-quality solutions to your project needs quickly and I am available, feel free to drop a message to initiate a chat 💬. I know you need someone who understands your goals, and is available to help you always by ensuring you succeed because his success ultimately depends on your progress. As highlighted on my profile, my contributions have significantly impacted my client success, leading to numerous positive star reviews (⭐⭐⭐⭐⭐) for projects completed. You will experience the same best level of service professionalism because clients who have worked with me made these glowing reviews: ✅ "Did a great job before the deadline." ✅ "Pure Excellence!!! Shall continue to use his services in the future." ✅ "Did a great job. Fixed the issue quickly. Will hire again." ✅ "Gets work done right away! Wow, so fast, really fast-actually exceeded my expectations. Great job, mate!!!" Many clients continue to engage me in recurring work due to the consistent, high-quality service they receive, which means your chances of getting the best services is guaranteed. Services I offer include(although I am not limited to this list): ✅ Programming Services: ✓ Python ✓ R ✓ JavaScript ✓ VBA ✓ PHP ✅ Web Services: ✓ WordPress ✓ Shopify ✓ Wix ✓ Drupal ✓ Joomla ✓ Squarespace ✓ Email Template Design ✓ XML ✓ HTML5 ✓ HTML ✓ CSS ✓ CSS3 ✓ Responsive Web Design ✓ Progressive Web Apps (PWA) ✅ Data Entry/Processing and PDF Services: ✓ Google Sheets, Excel, Spreadsheet ✓ Google Docs ✓ Microsoft Word Documents ✓ PowerPoint, Google Slides ✓ PDF (W2 Form, 1040 form, Paystubs, Bank Statements) ✓ Electronic Form (Field Validation, Auto Calculation, Auto Population) ✓ Adobe Acrobat Pro ✓ ABBYY Finereader ✓ Excel VBA / Google Sheet Automation, Formulas and Macros ✅ IT Support Services: ✓ Microsoft Office / 365 support ✓ OS ✓ Troubleshooting ✓ Computer Repair ✓ Data Management ✓ Network Administration ✓ Network Security ✓ Performance Tuning ✓ LibreOffice ✓ Active Directory ✓ Technical Support ✓ Application Support ✓ System Administration ✅ Database/Data Analysis Services: ✓ Web Search ✓ Web scraping ✓ Data Collection ✓ Project Management ✓ Research ✓ Product Sourcing ✓ Market Research ✓ Internet Research ✓ Business Research ✓ Data Cleansing ✓ Data Modeling ✓ Data Analysis ✓ Claris FileMaker ✓ Microsoft Access DB, SQL, MySQL, Database Management ✓ Data Visualization :Tableau, Microsoft Power BI with DAX development ✓ Reports ✓ Dashboards ✓ Data Model ✓ Database Development ✅ Additional Services: ✓ Primavera P6 ✓ Contact List / VCard for Windows, Mac, Apple, Android, Outlook ✓ Mail Merge ✓ Audio Services ✓ Copywriting ✓ Audio Processing ✓ Audio/Video Transcription ✓ Bookkeeping ✓ Invoicing ✓ Credit Note ✓ Virtual Assistant 💬 Feel free to drop a message to initiate a chat. Thank you for visiting my profile as I look forward to building a successful, positive working relationship with you! menos -
Contratar yuriihal
I build AI-driven backend systems that think, learn, and scale. Most companies use AI in fragments—a chatbot here, an automation there. I help startups and enterprises build complete AI ecosystems by integrating Large Language Models (LLMs) into robust, production-grade backend architectures. Whether you are building...I build AI-driven backend systems that think, learn, and scale. Most companies use AI in fragments—a chatbot here, an automation there. I help startups and enterprises build complete AI ecosystems by integrating Large Language Models (LLMs) into robust, production-grade backend architectures. Whether you are building an AI SaaS MVP from scratch or adding RAG-based intelligence to an existing platform, I deliver clean, maintainable, and secure code. What I bring to your project: 1. AI Integration: Expert in OpenAI (o1/GPT-4), Claude 3.5, and Gemini 2.0. I specialize in RAG (Retrieval-Augmented Generation) and AI Agent workflows using LangChain and CrewAI. 2. Backend Excellence: Scalable microservices built with FastAPI, Python, or NestJS. I focus on high-concurrency, security, and performance. 3. Vector Infrastructure: Implementation of Pinecone, Weaviate, or PGVector for efficient data retrieval. 4. SaaS Architecture: Multi-tenant database design, Stripe subscription logic, and RBAC (Role-Based Access Control). Why work with me? - Speed to MVP: I focus on getting your AI SaaS to market in 3–6 weeks without technical debt. - Product Thinking: I don't just follow tickets; I ask "Why?" to ensure the feature actually drives user value. - Security First: I ensure your AI integrations are prompt-injection resistant and GDPR/SOC2 compliant. TECHNICAL STACK: - AI & LLM: OpenAI API, LangChain, RAG, Prompt Engineering, Vector DBs (Pinecone) - Backend: Python (FastAPI, Django), Node.js (NestJS, Express), Go - Databases: PostgreSQL, MongoDB, Redis, Supabase - Cloud & DevOps: AWS (Lambda, ECS), Docker, GitHub Actions, Vercel - Integrations: Stripe, Auth0, Twilio, HubSpot, Slack API menos -
Contratar rehmanshawon2017
rehmanshawon2017 rehmanshawon2017
$25 USD / hora
MERN C# Unity Python ML Flutter Java DevOpsBangladeshA seasoned Tech Lead and Senior Full Stack Engineer with over 14 years of hands-on experience in software development, project architecture, and team leadership. Adept at utilizing modern JavaScript frameworks (MERN) and cloud-based technologies to deliver scalable, high-performance solutions. Proven expertise in both...A seasoned Tech Lead and Senior Full Stack Engineer with over 14 years of hands-on experience in software development, project architecture, and team leadership. Adept at utilizing modern JavaScript frameworks (MERN) and cloud-based technologies to deliver scalable, high-performance solutions. Proven expertise in both front-end and back-end development across a diverse range of projects. Seeking to apply a deep technical background and leadership acumen in a senior role that fosters innovation, mentorship, and strategic growth. Dynamic and results-oriented Senior Full Stack Engineer with extensive experience in MERN stack development, GraphQL, Flutter, and DevOps practices. Adept at designing and delivering cutting-edge solutions in monolithic, microservices, SaaS, and cloud architectures using AWS and Azure platforms. Proficient in leading cross-functional teams, driving project management, and aligning technical execution with business goals. Skilled at architecting complex systems to ensure reliability, security, and scalability, while maintaining high standards of code quality and best practices. Focused on continuous improvement and mentoring teams to achieve high performance and innovation. TECHNICAL SKILLS: Full-Stack Development: Expert in JavaScript frameworks (MERN: MongoDB, Express.js, React, Node.js), HTML5, CSS3, JavaScript (ES6+), Redux, RESTful and GraphQL APIs. Backend Development: Expertise in building microservices and monolithic architectures, Node.js, Express.js, Apollo Server, database management (MongoDB, MySQL, PostgreSQL), serverless architectures, and containerization (Docker, Kubernetes). Mobile App Development: Cross-platform mobile application development using Flutter/Dart. Knowledgeable in app lifecycle management, state management (BLoC, Provider), and deployment (Android/iOS). DevOps & Cloud Services: Hands-on experience with AWS, Azure, Heroku, CI/CD pipelines, GitHub Actions, Jenkins, and containerization with Docker. Knowledgeable in infrastructure as code (Terraform) and cloud-native patterns. Game Development: Proficient in Unity/C# game development, game mechanics design, and 2D/3D environments. Delivered client-based gaming solutions, handling development lifecycle from concept to deployment. Leadership & Mentorship: Extensive experience in leading agile teams, conducting code reviews, setting coding standards, and fostering a culture of learning and collaboration. Additional Skills: Python, C++, Git, WebSockets, JWT authentication, Firebase, WebPack, micro-frontends, and TypeScript. menos -
Contratar riaanbpo
Animación 2D, Vídeo Explicativo de Animación 2D, Integración de API, Branding, Caricaturas y dibujos animadosHelping businesses build, automate, and scale digital solutions that deliver real results. I focus on creating clean, scalable, and high-performing solutions—from websites and eCommerce platforms to AI-driven automation and modern design systems. Every project is built with usability, performance, and long-term...Helping businesses build, automate, and scale digital solutions that deliver real results. I focus on creating clean, scalable, and high-performing solutions—from websites and eCommerce platforms to AI-driven automation and modern design systems. Every project is built with usability, performance, and long-term growth in mind. Top Skills and Strengths: ✅ Web Development, Web Apps & UI/UX Design: Clean, scalable, and performance-driven solutions ✅ WordPress, Shopify & eCommerce Solutions: Professional platforms designed to attract and convert ✅ AI Automation & Intelligent Systems: Streamlining workflows and improving efficiency ✅ SEO & Website Optimization: Faster, visible, and growth-focused websites ✅ API Integrations & SaaS Solutions: Seamless systems and automated processes ✅ Branding & Graphic Design: Modern, consistent, and visually impactful identities ✅ Photography & Image Capture: Clear, well-framed, high-quality photos following structured guidelines for consistency and accuracy If you’re looking for reliable, high-quality work with clear communication, let’s discuss your project. I stand behind the quality of my work - if I don’t deliver what we agreed on, I’ll make it right. menos -
Contratar billybryan98
Hello, I'm Billy Bryan, a passionate and results-driven Full Stack Web Developer with over a 6 years of experience in building cutting-edge websites and web applications. I specialize in delivering efficient, scalable, and user-friendly digital solutions tailored to your business needs. With a keen eye for detail and...Hello, I'm Billy Bryan, a passionate and results-driven Full Stack Web Developer with over a 6 years of experience in building cutting-edge websites and web applications. I specialize in delivering efficient, scalable, and user-friendly digital solutions tailored to your business needs. With a keen eye for detail and a strong focus on problem-solving, I ensure every project I work on exceeds expectations and drives measurable results. Backend Development ✔️ Python: Flask, Django, RESTful APIs, data processing. ✔️ C#: ASP.NET Core, application development, Azure integrations. ✔️ PHP: Laravel, WordPress, custom CMS solutions. ✔️ SQL & Databases: PostgreSQL, MySQL, Couchbase, TypeORM. Frontend Development ✔️ React.js: Next.js, Remix.js, Astro.js ✔️ JavaScript: Angular, Vue, Vuex, TypeScript, jQuery. ✔️ CSS Frameworks: Bootstrap, Tailwind CSS, SCSS, LESS. ✔️ Responsive Design: HTML5, CSS3, Figma, pixel-perfect, cross-browser compatibility. Tools & Platforms: ✔️ Version Control: Git, GitHub, GitLab, Bitbucket ✔️ Cloud: AWS, Azure, Google Cloud, Couldflare ✔️ DevOps: Docker, CI/CD pipelines, Jenkins. ✔️ Collaboration: Trello, Slack, Jira. What I Offer ✔️ Custom Web Applications: Fully responsive and optimized for performance. ✔️ API Development & Integration: Building and connecting APIs for seamless data exchange. ✔️ Database Design & Optimization: Efficient data models and query performance tuning. ✔️ Migration & Upgrades: Smooth transitions with zero downtime. ✔️ Full-Stack Solutions: From UI/UX design to backend logic and deployment. I'm passionate about turning your ideas into functional, scalable, and visually appealing digital solutions. Whether you need a one-off project or long-term collaboration, I’m here to help. Let's bring your project to life! Let’s discuss your project needs and start building something amazing together. Best regards, Billy Bryan menos -
Contratar pzavada
Amazon Web Services, Ingeniería Arquitectónica, Automatización, CI/CD, Administración de bases de datosAs a DevOps Engineer, I help companies design, operate, and scale cloud infrastructure that stays reliable under real production load. I work with startups, scale-ups, and enterprise teams to deliver stable, automated, and cost-efficient cloud platforms that support business growth across AWS, GCP, and AzureAs a DevOps Engineer, I help companies design, operate, and scale cloud infrastructure that stays reliable under real production load. I work with startups, scale-ups, and enterprise teams to deliver stable, automated, and cost-efficient cloud platforms that support business growth across AWS, GCP, and Azure menos -
Contratar NazMakDev
Desarrollo de Chatbots con IA, Desarrollo de IA, Desarrollo de API, Desarrollo Backend, Soluciones en la nube👋 Hi, I’m Nazar — a Full-Stack Developer with 5+ years of experience building modern, high-performing web applications. 💻 Tech stack I work with: Frontend: React, TypeScript, Next.js, TailwindCSS ⚡ Backend: Node.js, Express, Firebase, PostgreSQL 🔧 Other: REST APIs, GraphQL, Zustand, Docker 🚀 ✨ What I bring to the...👋 Hi, I’m Nazar — a Full-Stack Developer with 5+ years of experience building modern, high-performing web applications. 💻 Tech stack I work with: Frontend: React, TypeScript, Next.js, TailwindCSS ⚡ Backend: Node.js, Express, Firebase, PostgreSQL 🔧 Other: REST APIs, GraphQL, Zustand, Docker 🚀 ✨ What I bring to the table: Clean, maintainable, and scalable code 🧹 Pixel-perfect, user-friendly interfaces 🎨 Reliable backends that can handle growth 📈 A problem-solving mindset and strong attention to detail 🔍 💡 I enjoy turning complex ideas into simple, elegant solutions that people actually love to use. Clients value me for being responsive, proactive, and focused on results, not just code. ⚡ Whether you need to build an MVP, scale an existing product, or create a seamless user experience, I’m here to help make it happen. menos -
Contratar sasaprogramer21
Seasoned software developer with over 7 years of experience in web, mobile, desktop, and AI/ML development. Proven track record of successfully delivering complex, large-scale projects for top-tier IT companies in Europe. Highly skilled in tackling challenging technical problems and collaborating effectively with...Seasoned software developer with over 7 years of experience in web, mobile, desktop, and AI/ML development. Proven track record of successfully delivering complex, large-scale projects for top-tier IT companies in Europe. Highly skilled in tackling challenging technical problems and collaborating effectively with cross-functional teams. Committed to providing professional, high-quality solutions and maintaining strong communication with clients. Web Development: React, Angular, Vue.js, Node.js, Express, PHP, Laravel Mobile Development: Android (Java, Kotlin), iOS (Swift, Objective-C) Desktop Applications: C#, .NET, Electron, Qt AI/ML: Python, TensorFlow, PyTorch, scikit-learn, Natural Language Processing Databases: MySQL, PostgreSQL, MongoDB, Redis DevOps: Docker, Kubernetes, AWS, Azure, GCP Project Management: Agile methodologies, Scrum, Kanban menos
