Wireless Engineers For Hire
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Sponsored Freelancers
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Veteran, expert system developer in multiple domains including web apps, iOS and Android, embedded microprocessor systems, High-Performance Computing with NVidia GPUs (CUDA), graphics, database, and telcommunication systems. Large scale projects from concept to development to marketing no problem. Longtime U.S....Veteran, expert system developer in multiple domains including web apps, iOS and Android, embedded microprocessor systems, High-Performance Computing with NVidia GPUs (CUDA), graphics, database, and telcommunication systems. Large scale projects from concept to development to marketing no problem. Longtime U.S. expat in Japan, so bi-lingual in English & Japanese. I am fairly new to Freelancer (but not at development), so I only have a few Freelancer "references" and "credits" so far. Personal references and examples of various projects, both small and large, will gladly be provided upon request. less
Hire bestwmm
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touhidecevw touhidecevw
$60 USD / hour
Network & System Specialist|CCNP|Fortinet|RHCE|CEHBangladesh✅As a highly skilled and experienced network and system administrator with over 11 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete...✅As a highly skilled and experienced network and system administrator with over 11 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete solutions for designing, configuring, automating, and managing network and system projects. My proficiency in using simulation software such as Packet Tracer and GNS3, as well as real-life network and system devices, make me a valuable asset for any project. My few hands-on experiences is : ✅Network Design by MS Visio, Cisco packet tracer, GNS3, and EVE-NG ✅Netacad CCNA and CCNP packet tracer Labs activities, projects design and solution ✅Cisco routers, switches, FTD, FMC, and ASA firewalls. ✅WatchGuard, Palo Alto, CheckPoint Firewall, SonicWall, Fortigate, pfSense, OPNsense, Huawei firewalls. ✅Unifi Enterprise Fortress Gateway, Ubiquiti UDM Pro, Unifi Cloudkey, USG UniFi Firewall , Security Gateway, Switch, and AP devices ✅ Netgear, Huawei, Aruba switch, DrayTek router, TP-Link and others vendor wireless router configurations. ✅Cisco, Tp-Link, Aruba, Fortinet, Ubiquiti, Planet, Huwei switch configurations. ✅MikroTik Routers and switch configuration ✅ SNMP monitoring configuration: Observium, Librenms, Cacti, Nagios core ✅ Cloud Administrator: Azure, AMAZON AWS , Google GCP, OVH Cloud and Digital Ocean, Contabo ✅Hyper-V, VMware ESXi, VMware Workstation, VirtualBox, KVM, and Proxmox. ✅Ubuntu, Red Hat, CentOS, Debian, openSUSE, and Kali Linux distributions. ✅Windows server administration , Active Directory management, Exchange Server administration, DNS configuration ✅Servers: HP Proliant Servers, Dell/EMC Servers, IBM ✅VLSM/subnetting of small to large enterprises ✅VLANs, Inter-VLAN routing, VTP, CDP, Ether-Channel(LACP, PAGP) ✅DHCP, NAT/PAT configuration and IP helper address ✅static and Dynamic Routing protocols (RIP, OSPF, EIGRP, BGP) configuration ✅Layer-3 Redudent/backup links Using HSRP, VRRP ✅Port security, ACL( access list) configuration ✅Network troubleshooting and optimization ✅VPN Configuration Expert (GRE , SSL, IPSEC, PPTP, OpenVPN & DMVPN) ✅Network automation script for any Cisco and FortiGate devices using python ✅Overlay Networks VPN Expertise: Proficient in configuring and managing various overlay network VPNs, including ZeroTier, Tailscale, WireGuard, SoftEther VPN, Netbird , Netmaker, OpenVPN Cloud, I, Twingate and PeerVPN for secure, scalable, and decentralized networking, enabling seamless remote access, team collaboration, and encrypted communications across distributed systems. ✅Cisco Duo: MFA, 2FA, SSO, Identity Security Integration, Windows Logon, RDP, Microsoft AD, VPN Authentication. less
Hire touhidecevw
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I’m a versatile and detail-driven Hardware Design & Electro-Mechanical Engineer with over 18 years of experience in delivering end-to-end product development, spanning PCB Design, Embedded Electronics, 3D Modeling, Electro-Mechanical Systems, and LiDAR Hardware. My strength lies in combining electrical and mechanical...I’m a versatile and detail-driven Hardware Design & Electro-Mechanical Engineer with over 18 years of experience in delivering end-to-end product development, spanning PCB Design, Embedded Electronics, 3D Modeling, Electro-Mechanical Systems, and LiDAR Hardware. My strength lies in combining electrical and mechanical domains to build reliable, production-ready solutions that work flawlessly in the real world. ✨ Advanced Hardware Design Proficiency ✅ End-to-End Hardware Architecture Development ✅ High-Speed Analog & Digital Circuit Design ✅ Microcontroller/Processor System Design (STM32, ESP32, ARM, etc.) ✅ Power Electronics – LDOs, SMPS, Battery Charging Circuits ✅ Interface Protocols – UART, I2C, SPI, USB, CAN, RS485, RS422, Ethernet ✅ Sensor Integration, Signal Conditioning, and ESD Protection ✅ Hardware Debugging, Testing, and Validation with Real-World Loads ✅ Embedded Peripheral Planning for IoT, Industrial & Automotive Applications ✅ LiDAR-Based Electronics Design & Signal Processing Hardware (ToF, Laser Diodes, Scanning Control) ✨ Core Capabilities ⭐ IPC-7351B Standard-Compliant PCB Footprints ⭐ IPC-2221A-Based PCB Design Rules & Practices ⭐ DFM/DRC Ready PCB Layouts (Up to 36+ Layers) ⭐ Schematic Symbol Creation (Logical & Hierarchical) ⭐ Multi-Layer PCB Stackup Design & Optimization ⭐ Signal Integrity & Power Delivery Planning (Per IPC-2221A) ⭐ 2D/3D CAD Modeling for Industrial & Mechanical Parts ⭐ Mechanical Enclosure Design & 3D Prototyping Support ⭐ Thermal, Clearance & EMI/EMC Considerations (Per IPC Standards) ⭐ Custom BOM Creation & Lifecycle/Obsolescence Management ⭐ High-Quality 3D Renderings & Exploded Drawings ⭐ DIY Kits, Product Development & Prototype Guidance ⭐ 3D Printing-Ready Models (STL/OBJ) for Production ⭐ Cross-Platform File Support (STEP, IGES, DXF, Gerber, ODB++) ⭐ Component Selection Aligned to IPC & Manufacturer Specs ✨ Tools & Platforms ▶️ EDA Tools: Altium Designer, KiCAD, OrCAD, Allegro, Eagle, Mentor Graphics PADS ▶️ CAD Software: SolidWorks, Fusion 360, FreeCAD, AutoCAD ▶️ File Output: STEP, STL, DXF, DWG, IGES, Gerber, ODB++ ▶️ Excel, Power BI ✨ Why Choose Me? ✔️ 15+ Years of Cross-Disciplinary Engineering Experience ✔️ Strong Background in LiDAR System Design, Opto-Electronics, Embedded Control, and Scanning Hardware ✔️ Precision-Focused & IPC-Compliant Design (IPC-2221A | IPC-7351B) ✔️ Proven Real-World Prototyping & Testing Background ✔️ Rapid Turnaround with Full Design Documentation ✔️ Flexible Revision & Client Collaboration Support ✔️ Professional, Clear & Responsive Communication less
Hire sabarikptm
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🚀 AI Systems · DevOps · Full Stack Engineer | 9+ Years Experience I build production-grade systems that combine intelligent automation with scalable engineering — helping businesses replace manual workflows with systems that think, act, and scale. 🤖 Agentic AI & LLM Engineering 🧠 AI Agents & Agentic Workflows —...🚀 AI Systems · DevOps · Full Stack Engineer | 9+ Years Experience I build production-grade systems that combine intelligent automation with scalable engineering — helping businesses replace manual workflows with systems that think, act, and scale. 🤖 Agentic AI & LLM Engineering 🧠 AI Agents & Agentic Workflows — LangGraph, CrewAI, multi-step reasoning, tool use & approval gating 📚 RAG Systems & Vector Search — pgvector, ChromaDB, semantic chunking & grounded LLM responses 💬 Custom AI Chatbots — WhatsApp, Instagram & Web with lead capture & human handoff ⚡ LLM Integration — GPT-4o, Claude, open-source models, prompt engineering & cost optimization 🔧 OpenClaw — Custom skills, sandboxed agents, kill switches & permission control 🔄 AI Workflow Automation — Document processing, OCR + LLM validation, CRM auto-fill & social scheduling ☁️ DevOps · Cloud · Infrastructure 🌩️ AWS & Azure — ECS, EC2, RDS, S3, Lambda, VPC, auto-scaling & managed deployments 🐳 Docker & Kubernetes — Microservices, Docker Swarm, EKS, Helm & GitOps with ArgoCD 🚀 CI/CD Pipelines — Jenkins, GitHub Actions, GitLab CI with rollback & approval gates 🛡️ Linux & VPS Hardening — SSH lockdown, firewall, fail2ban, SSL, Nginx/Caddy, backups 📊 Monitoring — Prometheus, Grafana, ELK Stack, Kibana & custom alerting dashboards ⚙️ IaC — Terraform & Ansible for repeatable, version-controlled infrastructure 🌐 Full Stack Development ⚙️ Backend — FastAPI (Python), PHP — REST APIs, multi-tenant architecture, RBAC, event-driven systems 🎨 Frontend — Next.js / React — role-based dashboards, admin panels & mobile-first design 🗄️ Databases — PostgreSQL, MySQL, Redis, pgvector, BullMQ job queues 🔌 Integrations — WhatsApp API, Instagram Messaging, GST/E-Way Bill, Razorpay, Zoho CRM, Petpooja POS, Meta Graph API ✅ Certifications ☁️ AWS Certified ☁️ Azure Certified 🌐 Cisco / CCNA Certified ✅ What I bring to every project: ✔️ Milestone-based delivery with weekly updates ✔️ Clean, documented, maintainable code ✔️ Transparent communication — no surprises ✔️ Long-term availability for serious projects 💬 Let's build something serious. Drop me a message and let's talk. less
Hire ConsultantInd
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redbrickamerica redbrickamerica
$75 USD / hour
Top-Tier American Engineers, Proven ExpertiseBangladeshWe are a team of top-rated American Engineers and Architects with over two decades of experience, based in the USA and operating since 2007. Our team is composed of highly skilled professionals specializing in a wide range of engineering and construction disciplines, ready to deliver exceptional service. Our expertise...We are a team of top-rated American Engineers and Architects with over two decades of experience, based in the USA and operating since 2007. Our team is composed of highly skilled professionals specializing in a wide range of engineering and construction disciplines, ready to deliver exceptional service. Our expertise spans across: ● Architecture Engineering ● Civil Engineering ● Structural Engineering ● Mechanical Engineering ● General Construction ● M.E.P. Engineering ● HVAC System Design ● Electrical Engineering ● 3D Modeling & Rendering With licensed engineers on board, we offer stamped and sealed drawings ready for permit submission across multiple states, ensuring full compliance with local building codes. Our Services Include: Architectural Design: We deliver comprehensive architectural plans, including detailed drawings, floor plans, elevations, and construction details, tailored to meet state-specific building codes. Structural Engineering: Specializing in wood, concrete, and steel structures, we provide complete structural designs, calculations, and analysis to ensure the integrity of your construction projects. Civil Engineering: From site plans to utility layouts, we cover grading, drainage, and land development designs, optimizing space and ensuring efficient infrastructure planning. MEP Engineering: Expertise in Mechanical, Electrical, and Plumbing designs, we ensure your building systems are both energy-efficient and code-compliant. HVAC System Design: We design state-of-the-art heating, ventilation, and air conditioning systems to ensure comfort and sustainability in any environment. 3D Modeling & Rendering: Utilizing advanced tools, we bring your visions to life through detailed 3D modeling and high-quality renders, providing immersive project visualizations. Our team is well-versed in U.S. building codes such as IRC, IBC, ASCE, and others, ensuring that every project we handle meets the highest industry standards. ● Available 24/7 ● We are always here to assist with your project needs. Contact us today to discuss how we can contribute to your project's success. Get in touch with us to discuss your next project. We are committed to delivering excellence and ensuring your success. less
Hire redbrickamerica
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FranciscoSilvi FranciscoSilvi
$15 USD / hour
Electronic Engineer - Hardware & Firmware DevsArgentinaI have extensive experience, primarily in hardware design I primarily work with Altium Designer, but I am also proficient in KiCAD, EAGLE, EasyEDA, and Allegro OrCAD. I also develop firmware, primarily for the following platforms: -ESP32, S2, S3, C3 y C6 -ESP8266 -STM32 -STM8 -AVR -ATSAM -RAK Wireless Modules -PIC,...I have extensive experience, primarily in hardware design I primarily work with Altium Designer, but I am also proficient in KiCAD, EAGLE, EasyEDA, and Allegro OrCAD. I also develop firmware, primarily for the following platforms: -ESP32, S2, S3, C3 y C6 -ESP8266 -STM32 -STM8 -AVR -ATSAM -RAK Wireless Modules -PIC, PIC32, dsPIC For clients who prefer it, I am familiar with various Arduino Cores to facilitate future code editing and small modifications that the client can handle themselves. I also have the capability to run multithreaded code on any of the aforementioned platforms. I also use IDEs such as: -STM32Cube -RUI (Rak User Interface) -IDF (Espressif) -Atmel Studio (ATSAM/ATMEGA) less
Hire FranciscoSilvi
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I’m full stack IT expert specializing in Django, Flask, and FastAPI, with expertise in AI, Machine Learning (ML), and Web Automation to deliver innovative, scalable solutions. 🏆 Winner of contest: AirPlay 2 Integration on OpenWRT What I Offer: ✅ AI & ML Solutions – Custom ChatBots, NLP, generative AI models ✅ AI...I’m full stack IT expert specializing in Django, Flask, and FastAPI, with expertise in AI, Machine Learning (ML), and Web Automation to deliver innovative, scalable solutions. 🏆 Winner of contest: AirPlay 2 Integration on OpenWRT What I Offer: ✅ AI & ML Solutions – Custom ChatBots, NLP, generative AI models ✅ AI Agent and Workflows Development ✅ Web & Desktop Applications – Scalable, secure & efficient solutions ✅ Automation & Web Scraping – Data extraction, workflow automation ✅ API Development – RESTful & GraphQL APIs using Django DRF & FastAPI ✅ Cloud & DevOps – Deployments on AWS, GCP, Docker, Kubernetes ✅ Frontend Development – React, Vue.js, and modern UI frameworks ✅ Mobile Application Development. My Tech Stack: ✅ Languages: Python, JavaScript,, Dart, Java, Swift ✅ Backend: Django, Flask, FastAPI, Nest ✅ Frontend: React, Vue.js, Next.js, Angular ✅ Databases: PostgreSQL, MongoDB ✅ DevOps: Docker, Kubernetes, AWS, GCP ✅ ML & AI: PyTorch, Scikit-learn, OpenAI Why Work With Me? ✔ 20 years of experience delivering high-quality projects ✔ Remote collaboration expert – seamless teamwork across time zones ✔ Results-driven approach – focus on business growth & innovation Let’s build something extraordinary together! Message me to discuss your project! less
Hire mengw3
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Mohsinzaidi786 Mohsinzaidi786
$10 USD / hour
MEP & Low voltage System Designer/US Permit PlansPakistanHi I have 20+ years of experience in MEP design, electrical systems, HVAC, plumbing, and 3D rendering, using AutoCAD, Revit, and DiaLUX. I specialize in designs for residential, commercial, healthcare, and high-rise projects. Services: Mechanical & HVAC: ✔ HVAC system design & load calculations ✔ Ductwork layouts &...Hi I have 20+ years of experience in MEP design, electrical systems, HVAC, plumbing, and 3D rendering, using AutoCAD, Revit, and DiaLUX. I specialize in designs for residential, commercial, healthcare, and high-rise projects. Services: Mechanical & HVAC: ✔ HVAC system design & load calculations ✔ Ductwork layouts & coordination ✔ Ventilation & exhaust system design ✔ Chilled water & VRF system design ✔ Equipment power & control layouts Plumbing: ✔ Water supply & drainage system design ✔ Rainwater harvesting system layouts ✔ Pump room & water tank sizing ✔ Hot & cold-water distribution Electrical: ✔ Power distribution & SLDs ✔ Internal & external lighting design (DiaLUX) ✔ Earthing & lightning protection systems ✔ Load calculations & panel schedules ELV & Low Voltage Systems: ✔ Fire alarm & public address systems ✔ CCTV & access control systems ✔ Audio-visual (AV) system layouts ✔ eQMS & structured cabling 3D & Architectural Rendering: ✔ MEP & building modeling in Revit ✔ Interior & exterior photorealistic rendering ✔ Clash detection & coordination Key Projects: Ocean Heights (Dubai), Najran Airport, King Faisal University, Riyadh National Hospital Sialkot Airport, Islamabad Airport, Telecom Tower Delivering innovative, efficient, and high-quality designs that bring your vision to life! Let’s create something exceptional. Thanks, Mohsin less
Hire Mohsinzaidi786
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Thank you for visiting my profile. My name is Marko Aleksic, a dedicated electronic hardware and firmware engineer specializing in creating innovative and high-quality solutions for electronic product development. I am passionate about transforming ideas into reality through meticulous design and development -Core...Thank you for visiting my profile. My name is Marko Aleksic, a dedicated electronic hardware and firmware engineer specializing in creating innovative and high-quality solutions for electronic product development. I am passionate about transforming ideas into reality through meticulous design and development -Core Competencies: -PCB Design & Development: Expert in designing reliable, high-performance printed circuit boards (PCBs). Specialization in power supply circuits (DC-DC, AC-DC conversions) and multilayer designs for embedded systems. Proven track record in developing efficient LED driver circuits and RF PCB layouts. -Firmware Development: Extensive experience programming microcontrollers including STM32, DSPIC, ESP32 and ESP8266. Mastery of communication protocols such as UART, SPI, Ethernet, USB, CAN, and MODBUS for seamless integration. Proficient in implementing wireless technologies including Wi-Fi, Bluetooth, and ZigBee. -RF Design & Analysis: Strong capabilities in RF circuit design, antenna optimization, and simulation for applications like WiFi, Bluetooth, and RFID. Expertise in developing RF filters, splitters, transceivers, and power amplifiers tailored to specific application needs. I am committed to delivering cost-effective, high-quality solutions without compromising performance or deadlines. I welcome the opportunity to connect and discuss how I can contribute to your projects. less
Hire markoa7
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English IT Support Technician with more than 10 years of experience supporting users, networks and IT infrastructure. I specialize in remote technical support, troubleshooting, Wi-Fi configuration and administration of Google Workspace and Microsoft 365. Available for remote IT support and network...English IT Support Technician with more than 10 years of experience supporting users, networks and IT infrastructure. I specialize in remote technical support, troubleshooting, Wi-Fi configuration and administration of Google Workspace and Microsoft 365. Available for remote IT support and network configuration. Español Técnico en soporte TI con más de 10 años de experiencia en soporte a usuarios, redes y administración tecnológica. Experiencia en soporte remoto, configuración de redes WiFi, Google Workspace y Microsoft 365. Disponible para soporte técnico y configuración de redes. less
Hire johansprz
