Performance Tuning Specialists For Hire
Showing 34 results
Sponsored Freelancers
-
Hire 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 less -
Hire 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. less -
Hire 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 less -
Hire 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 less -
Hire adisonw
------------------------------------------------------------------------------------------------------------------------------------------------------------------ ⚡ Need a Software Engineer that the CLIENTS LOVE? Let's talk!⚡ Welcome to be here and thank you so much. I believe you are interested in me when you visit...------------------------------------------------------------------------------------------------------------------------------------------------------------------ ⚡ Need a Software Engineer that the CLIENTS LOVE? Let's talk!⚡ Welcome to be here and thank you so much. I believe you are interested in me when you visit my profile page. I am a highly skilled Full Stack, Mobile Engineer, AI, and Blockchain with over 11+ years of hands-on experience. I've successfully built several websites, mobile apps, AI project, and Web3 apps, and these will be great help for future work. ⭐ Tech Stack: ✔️ Frontend: HTML, React, Next, Vue ✔️ Backend: PHP, Express, Django ✔️ Mobile: Flutter, React Native, Kotlin, Java, Swift ✔️ Database: MySQL, PostgreSQL, MongoDB ✔️ Payment: Stripe, Paypal ✔️ AI: Python, Tensorflow, Keras ✔️ Web3: Solidity, Rust, Smart Contract ⭐ Help you with: ✔️ Develop responsive, modern Web apps. ✔️ Build secure and stable Backend ✔️ Develop cross-platform Mobile apps ✔️ Integrate payment gateways ✔️ Implement efficient CNN + LSTM ✔️ Develop sophisticated Smart Contact ✔️ Support real-time communication ⚡ Now I can swear ⚡ " I am the dev who will consider your project as my own. Deadlines, clean code, and performance? I won't miss. I will never let you worry or be disappointed with your project." less -
Hire 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 less -
Hire flance9
⭐️⭐️⭐️⭐️⭐️ Machine learning | AI | Chat GPT | LLM ⭐️⭐️⭐️⭐️⭐️ Web Apps | Mobile Apps | Blockchain | DevOps ⭐️⭐️⭐️⭐️⭐️ Node | Java | PHP | Python ⭐️⭐️⭐️⭐️⭐️ MEAN| MERN | LAMP | Firebase | Mongo | RDBMS ⭐️⭐️⭐️⭐️⭐️ React Native | Flutter | Ionic | Native IOS and Android ⭐️⭐️⭐️⭐️⭐️ AWS | GCP | Azure ⭐️⭐️⭐️⭐️⭐️ Agile |...⭐️⭐️⭐️⭐️⭐️ Machine learning | AI | Chat GPT | LLM ⭐️⭐️⭐️⭐️⭐️ Web Apps | Mobile Apps | Blockchain | DevOps ⭐️⭐️⭐️⭐️⭐️ Node | Java | PHP | Python ⭐️⭐️⭐️⭐️⭐️ MEAN| MERN | LAMP | Firebase | Mongo | RDBMS ⭐️⭐️⭐️⭐️⭐️ React Native | Flutter | Ionic | Native IOS and Android ⭐️⭐️⭐️⭐️⭐️ AWS | GCP | Azure ⭐️⭐️⭐️⭐️⭐️ Agile | Scrum | Kanban Team of technocrats having 15+ years of experience in software development on various technologies and methodologies. We specialize in taking your project right from idea inception to going live as per the requirements and deadlines. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Business Sectors Served: ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ✅ Blockchain and Crypto ✅ Social Networks ✅ E-commerce ✅ Healthcare ✅ Finch and Banking ✅ On demand services ✅ Real Estate ✅ Business Analytics and many more. As a team, We believe in delivering quality and supporting it till the end users are satisfied with the product. We basically manage every project in 5 phases which makes it easy for the client to track progress and complete the project on time- 1. Requirement Analysis which involves analysing the project in a detailed manner with client and freezing the exact timeframe of the project with client. 2. Mockups+Feedback which involves feedback from client over the mockups developed for the project and making any changes if necessary. 3. Coding/Development and Initial Testing 4. Deployment and final testing of the project from client side. 5. Support for the project in case of any bugs. Feeling like we are a good fit for you? Let’s discuss your idea. less -
Hire bclz
20+ years Unix/Linux server admin and 11 years J2EE project experiences. 13 years on AWS cloud services admin, including EC2, RDS, Route53 and S3. Expert on Google AdWords / BingAds API. Delivered stable php / postgres based Ads Marketing platform served over millions keywords traffic. Familiar with VoIP technology...20+ years Unix/Linux server admin and 11 years J2EE project experiences. 13 years on AWS cloud services admin, including EC2, RDS, Route53 and S3. Expert on Google AdWords / BingAds API. Delivered stable php / postgres based Ads Marketing platform served over millions keywords traffic. Familiar with VoIP technology (H.323/SIP/RTCP), have experience on building Cisco VoIP project(CallManager and CallManager Express), consultant jobs on opensource VoIP project for SMB users. Lots of experiences on JBoss/JBPM/Struts/JSF/IceFaces/MySQL based projects, and service for opensource enterprise monitor solution , eg: Hyperic HQ/ZenOSS/Nagios. Recently delivered donzens of php based websites to customers, including CMS site(Joomla/Wordpress/Concrete5), shopping cart(Magneto,OSC and ZenCart). Enterprise level NMS setup/configuration/consultant using Tivoli Monitor / Netcool. ECM solutions based on Zope/Plone and Alfresco. less -
Hire saikatm441
I am interested in coding.My goal is to work in a innovative and competitive organization where I can learn ,apply my knowledge and expand my skills and work for the development of the organization.I am interested in coding.My goal is to work in a innovative and competitive organization where I can learn ,apply my knowledge and expand my skills and work for the development of the organization. less -
Hire thomasbbbb
I help small companies turn RHEL servers into secure, automated, auditable infrastructure: - Ansible automation - High Availability - Satellite - Hardening (SElinux, OpenScap, firewalld, sudoers, fail2ban, MFA) - Performance tuningI help small companies turn RHEL servers into secure, automated, auditable infrastructure: - Ansible automation - High Availability - Satellite - Hardening (SElinux, OpenScap, firewalld, sudoers, fail2ban, MFA) - Performance tuning less