Troubleshooters Για Πρόσληψη
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Συγκεκριμένη Τοποθεσία
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Ωριαία Τιμή (USD)
Βαθμολογική κατάταξη
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Προβολή 110 αποτελεσμάτων
Χορηγημένοι Freelancer
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Πρόσλαβε τον/την sabdsouza
With years of experience in web development and server management, I bring a wealth of expertise to the table. Whether you're a budding entrepreneur, a small business owner, or an established enterprise, my skills and dedication are at your service.With years of experience in web development and server management, I bring a wealth of expertise to the table. Whether you're a budding entrepreneur, a small business owner, or an established enterprise, my skills and dedication are at your service. λιγότερα -
Πρόσλαβε τον/την engkarimismail
engkarimismail engkarimismail
$50 USD / ώρα
✅Senior Network & System Engineer | Security|VOIP✅Malaysia✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in...✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in firewalls, scripting, containerization, and database management. Additionally, I specialize in mail servers, backup systems, and cloud technologies. With advanced networking skills, including Cisco routing, VLAN management, VoIP/IP telephony, and penetration testing, I am well-equipped to handle complex IT infrastructures. I am dedicated to delivering reliable solutions, ensuring data integrity, and enhancing system performance. ✅Send me now 24/7 Availability Unlimited Revisions Fast Response ✅ Server Operating Systems Windows Server (2003 to 2024) | Ubuntu | CentOS | Debian | RHEL ✅ Directory Services Active Directory | OpenLDAP ✅ DNS and DHCP Windows Server DNS | DHCP | Linux DNS | DHCP ✅ Virtualization Microsoft Hyper-V | VMware ESXi | vCenter | Proxmox VE ✅ File Servers IIS FTP | proftpd | FileZilla | FTP Server | Samba ✅ Web Servers Apache | NGINX | Microsoft IIS ✅ Scripting and Automation PowerShell scripting | Bash scripting ✅ Containers Docker | Windows Subsystem for Linux (WSL) ✅ Backup Systems Veeam Backup | Iperius Backup | UrBackup ✅ Mail Servers Mailcow | Microsoft Exchange (2000–2019) | MailWizz | Postfix | EXIM ✅ Database Servers MySQL | PostgreSQL | MariaDB ✅ Firewalls and Security MikroTik | PFSense | Cisco Firewalls ✅ Networking Skills Cisco Routing and Switching | VLANS | OSPF | VoIP and IP Telephony | Network Penetration Testing Access Control Lists (ACLs) Security (MITM Attack Mitigation) ✅ Recovery Services Password recovery for accounts and routers | Disaster recovery planning ✅ VOIP Service Freepbx | freeswitch | CME | IP TELEPHONY | 3CX SYSTEMS ✅ Cloud Service AWS, DigitalOcean, Hetzner, Azure, Google Cloud Platform, IBM Cloud, Oracle Cloud, Alibaba Cloud, Contabo, Seva λιγότερα -
Πρόσλαβε τον/την 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 λιγότερα -
Πρόσλαβε τον/την Herculesz
Principal / Head AI Engineer with 25+ years of experience architecting and scaling complex software systems, now specializing in Large Language Models (LLMs), agentic workflows, and AI-first product development. Proven expertise in integrating OpenAI APIs, building RAG pipelines, and deploying scalable,...Principal / Head AI Engineer with 25+ years of experience architecting and scaling complex software systems, now specializing in Large Language Models (LLMs), agentic workflows, and AI-first product development. Proven expertise in integrating OpenAI APIs, building RAG pipelines, and deploying scalable, production-grade LLM features using LangChain, pgvector, Pinecone, and related technologies. Hands-on leader with a track record of transforming business workflows through intelligent systems—semantic search, AI copilots, and conversational agents—while maintaining rigorous engineering standards across DevOps, observability, and frontend/backend architecture. Deep experience in embedding optimization, prompt engineering, fine-tuning GPT models, and delivering generative AI(GenAI) products that drive measurable impact. Skilled in mentoring engineers, leading cross-functional AI initiatives, and aligning technical strategy with executive goals in fast-paced, innovation-driven environments. Passionate about building the next generation of human-centered AI systems. λιγότερα -
Πρόσλαβε τον/την MshafiqDev
✅ بِسْمِ اللهِ الرَّحْمٰنِ الرَّحِيْمِ I’m a Professional WordPress & Shopify Developer, Speed Optimization Expert, and Figma Designer with 6+ years of experience in building fast, modern, and user-friendly websites. ✅ WordPress & Shopify Development 1. I specialize in creating high-performing, mobile-responsive...✅ بِسْمِ اللهِ الرَّحْمٰنِ الرَّحِيْمِ I’m a Professional WordPress & Shopify Developer, Speed Optimization Expert, and Figma Designer with 6+ years of experience in building fast, modern, and user-friendly websites. ✅ WordPress & Shopify Development 1. I specialize in creating high-performing, mobile-responsive WordPress and Shopify websites that boost conversions and reflect your brand perfectly: 2. Custom website/store design and development 3. Elementor, WP Bakery & theme customization 4. Shopify app integrations, checkout customization, and store optimization ✅ Speed Optimization & Bug Fixing Your site will load in under 2 seconds with 90%+ Google PageSpeed scores. I also fix all WordPress/Shopify errors — from plugin conflicts and, fatal errors, update issues, cache problems 5xx/4xx errors, critical errors, database problems WooCommerce issues, malware attacks, SEO problems, site downtime, and much more ✅ Figma Design Expertise I design clean, interactive UI/UX prototypes in Figma, ensuring pixel-perfect layouts, intuitive user flows, and seamless brand consistency across your web pages or Shopify store. ✅ Why Work with Me Expert in WordPress, Shopify, PHP, CSS, HTML/HTML5, JS & Figma Fast communication, 100% client satisfaction, and 24/7 availability ✅ Hire me today for professional WordPress, Shopify, Speed Optimization, and Figma Design solutions that deliver real results. λιγότερα -
Πρόσλαβε τον/την zainalitariq245
zainalitariq245 zainalitariq245
$25 USD / ώρα
Web & Mobile Specialist | Flutter Laravel ExpertPakistanI specialize in web and mobile application development using Flutter and Laravel, focused on building scalable products, not just launches. Most developers complete features. I build complete systems that work in real business environments. I work as a strategic partner, not just a freelancer. I understand your...I specialize in web and mobile application development using Flutter and Laravel, focused on building scalable products, not just launches. Most developers complete features. I build complete systems that work in real business environments. I work as a strategic partner, not just a freelancer. I understand your business, design scalable systems, and help you avoid rebuilding later. I deliver full web and mobile apps, scalable backend systems, and complete product development with clean UI/UX and long-term support. I work with a structured team to ensure consistent quality, faster execution, and full ownership of your product. I build systems that scale, stay stable, and support real business growth. If you want something solid and long-term, let’s connect. Zain Ali λιγότερα -
Πρόσλαβε τον/την juanjosec63
Hello! I'm Juan Jose C, a full-stack developer experience in building modern web app, game and integrating AI features. I specialize in creating dynamic, scalable solutions with a focus on AI-driven functionality, using technologies like C#, .Net, Core, WebGL, Three.js, Angular, React, Next.js, Node.js, Vue.js and...Hello! I'm Juan Jose C, a full-stack developer experience in building modern web app, game and integrating AI features. I specialize in creating dynamic, scalable solutions with a focus on AI-driven functionality, using technologies like C#, .Net, Core, WebGL, Three.js, Angular, React, Next.js, Node.js, Vue.js and Tailwind CSS. I also leverage the latest and most popular AI code tools to write fast, efficient, and scalable code, ensuring top-tier performance and innovation in every project. My Main Skills: Frontend: React, Next.js, Vue.js, TailwindCSS, Shadcn Backend: Node.js, Express, Laravel, Python, Django, REST APIs, FastAPI, GraphQL, WebSocket, Socket.io AI & LLMs: OpenAI (GPT-4, ChatGPT), Chatbot, LangChain, Cohere, Pinecone Cloud & Deployment: Vercel, AWS, Firebase Database: MySQL, MongoDB, PostgreSQL, Supabase, Adrant, ChromeDB Tools: Cursor, Lovable, Bolt.new, V0.dev, Zed, Warp, Figma λιγότερα -
Πρόσλαβε τον/την giaphung2k1
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 λιγότερα -
Πρόσλαβε τον/την ramygoda1590
Hi there, I am networking expert specialist and consultant for more than 8 years, who spend my free time to learn about new technologies in networking, security field to be always up to date. please just ping me on chat to have a short discussion on your project and i will always look for solving your tasks...Hi there, I am networking expert specialist and consultant for more than 8 years, who spend my free time to learn about new technologies in networking, security field to be always up to date. please just ping me on chat to have a short discussion on your project and i will always look for solving your tasks quickly. below is a brief on my experience: Technology Specialist: --------------------- - Can design, implment large scale networking and make exaplanation reports. - Practice on Cisco Packet Tracer, GNS-3, EVE-NG. - Excellent pracitce on VMware WorkStation, Virtual-Box - VPN (IPSEC,IKE v1 or v2 ,L2TP ,OPENVPN, DUO Authentication). - Routing Protocols (BGP, OSPF, EIGRP .. ). - Wrie Technical Reports with excellent and format. Skills and Hands on Experience: ------------------------------- - Cisco devices (routers, switches), routing protocols, IPSEC, Cisco ASA Firewall. - Fortinet Devices: FortiGate, Forti Manager, Forti Analyzer. - wireless (WLC, Access Points): CISCO, Aruba, ubiquiti. - Juniper (M7, M10, MX 480, MX 960) and SRX (300, 500). - Operating Systems: Linux servers (Ubuntu, RedHAT, Debian), windows (Windows server 2012, 2016 ..etc). Regards, Ramy λιγότερα -
Πρόσλαβε τον/την Pavlo1Liashenko
I am a Software Developer with 8 years of experience building scalable, high-performance applications and automating complex business workflows. I specialize in AI-driven solutions, full-stack development, automation (no-code & low-code), and cloud/DevOps infrastructure, delivering reliable systems that are fast,...I am a Software Developer with 8 years of experience building scalable, high-performance applications and automating complex business workflows. I specialize in AI-driven solutions, full-stack development, automation (no-code & low-code), and cloud/DevOps infrastructure, delivering reliable systems that are fast, secure, and easy to maintain. With a strong background across web, backend, and automation, I help companies move from idea → prototype → production with clean architecture, modern tooling, and long-term scalability in mind. ✅Core Expertise -Full Stack Development – React / Next.js, Node.js, TypeScript, REST & GraphQL APIs, microservices -Backend & Distributed Systems – Node.js / Python, event-driven architecture, WebSockets, real-time messaging -AI & Automation – AI-powered workflows, LLM integrations, no-code/low-code automation (Zapier, Make, n8n) -Database & Storage – PostgreSQL, MySQL, Redis, MongoDB, S3, Firebase -System Architecture & DevOps – Clean architecture, domain-driven design, CI/CD, Docker, cloud infrastructure (AWS/GCP) ✅ What I Deliver -AI-powered applications and assistants -Full-stack web platforms (MVP to enterprise scale) -Automated workflows (no-code & custom automation systems) -Real-time apps: chat, notifications, streaming, collaboration -Scalable microservices & cloud infrastructure -High-quality code, documentation, and long-term support ✅ Why Work With Me -8+ years across AI, Full Stack, Automation & DevOps -Proven track record of delivering production-ready systems -Clear communication and solution-focused mindset -Fast onboarding and independent execution -Focus on performance, security, and scalability λιγότερα
