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8.0
8.0
96%

Dhaka, Bangladesh
$40 USD per hour
|==> Jack of all trade!! <==| Areas Of Expertise: IT Security Audit - ISO 27001:2022, PCI DSS, NIST 800-53, GDPR and several other IT Security Compliance. IT Security and VAPT - Backtrack, Kali Linux, Nmap, Wireshark, Metasploit, Nikto, Burp Suite, OpenVAS, Aircrack-ng, and several other security penetration tools System Administration - VMWare vSphere, vCenter, ESXi (5.x, 6.x, 7.x, 8.x) Redhat Linux Enterprise Linux (5.5, 6, 6.5, 7, 8), CentOS, Ubuntu, Kali/Backtrack,. Windows Server (2019, 2016, 2012), Windows Hypervisor, SCVMM (System Center Virtual Machine Manager), SCCM (system center configuration manager), SCOM (System Center Operations Manager), VMware Networking - Routing, Switching, Cisco Firewalls, router and switches, Packet tracer, Riverbed Opnet Modeler, GNS3 IT Security - Backtrack, Kali Linux, Nmap, Wireshark, Metasploit, Nikto, Burp Suite, OpenVAS, Aircrack-ng, and several other security penetration tools Digital Forensics - Autopsy, EnCase, FTK, Axiom Web Designing - html, css, javascript, xml Web Programming - php, asp, ajax, jsp Database - MySQL, Oracle Writing - Technical Writing, Technical documentation, E-book, Content, Report, Creative writing

7.2
7.2
92%

jetpur, India
$10 USD per hour
I am a full-stack developer with over 10 years of experience, helping businesses, startups, and enterprises build secure, modern, and scalable digital products. Whether you need a mobile app, web platform, fintech solution, automation system, or cybersecurity service, I deliver end-to-end, enterprise-grade solutions tailored to your business goals. I have successfully delivered 195+ projects globally, built 80+ enterprise-level applications, and worked with clients from 12+ countries. I am also a certified GDPR and cybersecurity expert. Every project comes with 100% source code ownership and free bug support. Mobile App and Desktop App Development Native Android (Java, Kotlin) and iOS (Swift, Objective-C) Cross-platform apps using Flutter and React Native Stripe in-person payment integration Android kiosk mode solutions Real-device testing for maximum accuracy Game Development (2D - 3D Game Development) Windows App Development Mac App Development Web Development & Modern Technologies Backend: Laravel, Node.js, Express.js, NestJS, CodeIgniter, Core PHP, Yii, Symfony Frontend: React.js, Next.js, Vue.js, Nuxt.js, Angular, Svelte CMS & eCommerce: Shopify, WooCommerce, Magento, PrestaShop, OpenCart, custom WordPress theme and plugin development, malware removal, speed optimization Additional Expertise APIs: REST, GraphQL, WebSockets, gRPC Cloud & DevOps: Docker, Kubernetes, CI/CD pipelines, AWS, Google Cloud, Azure, DigitalOcean Databases: MySQL, PostgreSQL, MongoDB, Firebase, Redis, DynamoDB Payments: Stripe, PayPal, Razorpay, Square, Braintree, Authorize.net Security & Authentication: OAuth2, JWT, SSO, MFA, RBAC AI & Machine Learning: NLP, chatbots, recommendation engines, predictive analytics IoT & Automation: Smart device integrations, home automation, industrial IoT solutions Blockchain & Web3: Smart contracts, NFT marketplaces, DApps, DeFi platforms Cloud-Native & Microservices: Scalable architecture, serverless functions Performance & Scalability: Redis, Memcached, load balancing, CDN optimization Testing & QA: Cypress, Jest, Mocha, Postman, Selenium, Appium FinTech & Trading Platforms Stock and crypto trading platforms Real-time market data integrations High-frequency trading APIs Payment gateway and wallet integrations Cybersecurity & Compliance Web and mobile app penetration testing (WAPT) GDPR, HIPAA and ISO27001 consulting Secure code review Vulnerability reports Remote and on-site security audits Industries Serve FinTech Trading AI Automation IoT eCommerce Healthcare SaaS Cybersecurity Web3 & Blockchain Why Clients Trust Me Proven 10+ years of delivery experience Scalable and secure solutions Transparent pricing and timelines Long-term partnership mindset I focus on quality, security, and scalable architecture — no shortcuts, only results. Let’s build your next big project together. Click “Hire Me” and let’s turn your idea into a successful product.

6.6
6.6
90%

khanpur, Pakistan
$45 USD per hour
Certified Ethical Hacker | Cyber Security Expert | Penetration Tester I'm a Certified Ethical Hacker (CEH), Cybersecurity Expert, and Penetration Tester with over 10 years of proven experience in safeguarding businesses against cyber threats. I specialize in identifying vulnerabilities, performing advanced penetration testing, and providing actionable security solutions that ensure compliance and long-term resilience. My expertise spans across threat detection, incident response, digital forensics, malware analysis and Penetration testing. I have successfully secured organizations in diverse industries, delivering tailored solutions that align with both security requirements and business objectives. Key Skills & Expertise - Penetration Testing (White Box, Black Box, Gray Box) - Vulnerability Assessment & Risk Management - Web, Mobile, and System Security Testing - Digital Forensics & Incident Response (DFIR) - Malware Analysis & Reverse Engineering - SIEM Implementation & Threat Detection - IDS/IPS Configuration & Fine-Tuning - PCI DSS Compliance & Security Audits - Endpoint & Email Security Hardening - Ransomware Detection, Containment & Prevention - Web Application Security Hardening - Risk Assessment & Mitigation Strategies - Security Awareness & Training What Sets Me Apart: ✅ Dedicated post-project support — your security is always a priority. ✅ Transparent, honest, and deeply committed to quality. Let’s secure your digital world. Hire me once, and I’ll exceed your expectations.

6.2
6.2
97%

Sialkot, Pakistan
$20 USD per hour
🎯 Do you need a website that breaks free from generic templates and truly represents your unique brand? You've found your Custom WordPress Developer & SEO Expert! ✨ WHAT I OFFER I specialise in building 100% custom, hand-coded WordPress websites from the ground up. I don't just drag and drop - I engineer solutions tailored to your specific business goals. Combined with my deep SEO knowledge, I ensure your custom site is not only visually stunning and fully functional but also built to dominate search rankings from day one. 🛠 CUSTOM WORDPRESS DEVELOPMENT 🎨 Bespoke Website Design & Development → Unique designs coded from scratch (HTML5, CSS3, PHP, JavaScript) → Maximum performance and flexibility ⚡ Custom Theme & Plugin Development → Build secure, lean-coded themes and plugins → Meet your exact functional requirements 🛒 WooCommerce Customisation → Tailored e-commerce solutions → Custom features, payment gateways, and user flows 🚀 Speed & Performance Optimization → Expert-level optimisation of Core Web Vitals (LCP, FID, CLS) → Lightning-fast load times 🛡️ Website Security Hardening → Proactive security measures → Protect your valuable investment 📈 TECHNICAL & ON-PAGE SEO 🔍 SEO-First Development → Clean code, perfect site structure, semantic markup → SEO best practices as a foundation 📊 Technical SEO Audits & Fixes → Resolve indexing, crawlability, and site architecture issues → Comprehensive technical analysis ✍️ On-Page Optimisation → Strategic optimisation of content, metadata, headings → Target your most valuable keywords 🗺️ Local SEO → Dominate "near me" searches in your local market → Local business optimisation ⭐ WHY CHOOSE ME OVER TEMPLATE-BASED DEVELOPERS? ✅ No Bloat → Clean custom code means faster, more secure websites ✅ Total Ownership → You own the complete codebase with full control ✅ Scalable Solutions → Your website grows and adapts with your business ✅ Competitive Edge → Unique user experience competitors can't match ✅ Future-Proof → Built with the latest technologies and best practices 🤝 MY PROMISE TO YOU 💬 Clear Communication - Regular updates and transparent process ⏱️ On-Time Delivery - Meeting deadlines without compromising quality 🎯 Quality Focused - Final product that exceeds your expectations 🔧 Ongoing Support - Available for maintenance and future enhancements 💫 READY TO BUILD SOMETHING EXCEPTIONAL TOGETHER? Invite me to your project to discuss your vision for a custom website that converts and ranks! Let's create a digital presence that truly represents your brand and drives real business results!

7.5
7.5
97%

Dhaka, Bangladesh
$120 USD per hour
If your web application, API, or AI system has vulnerabilities, attackers will find them. My job is to find them first. I'm Md Shofiur, a Certified Ethical Hacker (CEH) and senior penetration tester with 8+ years securing applications and infrastructure across fintech, healthcare, e-commerce, and SaaS. I've completed 87 projects on Freelancer with a 4.9 rating, a 97% on-budget record, and a 94% acceptance rate. I'm a member of the Preferred Freelancer Program and fully verified across payment, phone, email, and identity. 🎯 What I test Web applications using OWASP Top 10 methodology. REST and GraphQL APIs, covering authentication flaws, injection, IDOR, and rate limiting issues. AI-powered applications and LLM systems tested against the full OWASP LLM Top 10. WordPress, Laravel, and custom CMS platforms. Network and VPS infrastructure. PCI DSS, HIPAA, and ISO 27001 compliance environments. 🔍 What makes my work different I don't run a scanner and call it a pentest. Every engagement starts with manual reconnaissance, follows a structured methodology, and ends with a report your developers can actually act on. Each finding includes a risk rating, business impact, step-by-step proof of concept, and specific remediation guidance, not just a list of CVEs. 🤖 AI security testing I'm one of the few penetration testers on Freelancer offering dedicated security assessments for AI systems. If your company runs an LLM-powered chatbot, AI agent, or RAG system, I test it against the OWASP LLM Top 10, covering prompt injection, data extraction, insecure output handling, and excessive agency. ✅ Compliance experience PCI DSS v4.0 external and internal penetration testing. HIPAA security rule technical safeguard assessments. ISO/IEC 27001 security control validation. SOC 2 readiness penetration testing support. 🏆 Certifications Certified Ethical Hacker (CEH), API Penetration Testing, API Security for PCI Compliance, ISO/IEC 27001 Information Security Associate, Certified in Cybersecurity. 📋 What you get from every engagement An executive summary for management, a technical findings section with full proof of concept for each vulnerability, risk ratings using industry-standard scoring, and a prioritized remediation roadmap your team can follow immediately. ⚡ Response time I respond within 4 hours and offer a free 15-minute discovery call before any engagement starts. Send me your project details and I'll tell you exactly what I'd find and how I'd approach it

5.6
5.6
100%

Jhelum, Pakistan
$20 USD per hour
Hi, I’m Top 1% freelancer committed to keeping your digital world safe, secure, and unstoppable. With years of hands-on experience as a Cyber Security Analyst and SOC Analyst, you get tailored solutions that transform vulnerabilities into strengths and risks into confidence. From penetration testing and vulnerability assessments to threat intelligence, malware analysis, and incident response, I deliver cyber solutions that help businesses thrive without disruption. I don’t just apply generic fixes I design tailored security strategies that protect critical data and future-proof systems against evolving threats. With a background in ethical hacking, digital forensics, and compliance (ISO 27001, NIST, CIS, HIPAA), I cover the full spectrum of cyber defense. Whether it’s risk assessments, SOC monitoring, or advanced defense deployments, my approach is proactive, precise, and focused on long-term resilience. Why Choose Me? ✅ Elite Expertise: Cyber Security, SOC Analysis, Ethical Hacking, Linux Hardening & Forensics ✅ Battle-Tested Skills: Proven results in penetration testing, incident response, malware analysis, and SOC operations ✅ Cutting-Edge Tools: Kali Linux, Nessus, Metasploit, Burp Suite, Wireshark, Shodan, Maltego, EnCase, FTK, SIEM (Splunk, QRadar, Wazuh) ✅ 24/7 Availability: Cyber threats don’t sleep — and neither do I when it comes to real-time response ✅ Proven Results: Secured clients in finance, healthcare (HIPAA compliance), government, e-commerce, and enterprise sectors 🔧 My Specialized Services 🛡 Penetration Testing & Vulnerability Assessments (OWASP Top 10, ISO 27001, HIPAA, CASA Tier 2) 🕵️ Threat Intelligence & Dark Web Recon (Shodan, Maltego, TOR-based cyber investigations) 🔬 Incident Response & Forensic Support (FTK, EnCase – breach investigation, malware analysis) 📊 Risk Assessment & Threat Modelling (STRIDE, DREAD, MITRE ATT&CK, OWASP Threat Dragon) 🔒 SOC Monitoring & Network Security (SIEM, Firewalls, IDS/IPS, Endpoint Security, Compliance) ⚡ Advanced Security Testing & Problem Solving: - SIEM Tools: Wazuh, QRadar, Splunk - Testing: Black Box, Gray Box, White Box - Cloud & Compliance: NIST, CIS, HIPAA - Application Security: DAST, SAST, OWASP Top 10 - Vulnerability Scanners: Acunetix, Invicti, OWASP ZAP, Nessus, MSF (Metasploit) - Manual Testing & Tailored Problem Solving 🏆 What You Get Working With Me ⚡ Lightning-fast 24-hour response time ⏱️ 💬 Clear & transparent communication – no jargon, just results 🛡 Custom cyber defense strategies that go beyond compliance and deliver real-world protection 🔥 Whether you face complex challenges, tight deadlines, or ambitious goals, your success will be secured every step of the way. 👉 Together, we’ll turn complexity into simplicity and goals into results.

5.9
5.9
95%

Lewes, United States
$45 USD per hour
I'm a cybersecurity consultant with 7+ years working with banks, fintech companies, and businesses that can't afford to get breached. My work sits at the intersection of offensive and defensive security — I run penetration tests and audits, then help clients actually fix what I find. Not just a report and a handshake. What I can help you with: Penetration testing & vulnerability assessments (Burp Suite, Nessus, Acunetix, Kali Linux, custom exploits) Security audits aligned with OWASP, SOC 2, ISO 27001, GDPR, HIPAA Post-assessment remediation guidance — I stay involved until it's fixed Consulting for teams building security into their product from the ground up I hold CEH and CISSP certifications. More useful than the acronyms: I've found critical vulnerabilities in production systems that automated scanners completely missed. If you have a specific concern — a recent incident, an upcoming compliance audit, or just a gut feeling something's off — message me. I'll give you a straight answer on what you actually need.

5.0
5.0
100%

Ahmedabad, India
$20 USD per hour
Description: 👨💻 IT Professional with 15+ Years of Expertise in Systems Administration, Cloud, and Security I am a seasoned Windows & Linux Administrator with extensive experience in managing servers, cloud platforms, and secure IT infrastructures. Over the past 14 years, I’ve successfully delivered projects involving virtualization, security hardening, and enterprise-grade system deployments. My focus is on creating secure, optimized, and scalable environments tailored to business needs. 🌐 Systems Administration 🛠️ Skilled in Windows Server (2022/2019/2016) and Linux administration. 📂 Experienced in Active Directory, NPS, NAS, DFS file sharing, and printer management. 🔧 Strong background in Dell server hardware, storage setup, and maintenance. 🔒 Security & Authentication 🛡️ Security assessments with Nessus and Qualys. 🔑 Implementation of certificate-based authentication and Radius servers. 🔒 Designed RDP with MFA solutions to secure remote access. 🚨 Hands-on experience with DNS/DNSSEC and Cloudflare for domain security. ☁️ Cloud & Virtualization 🌩️ Proficient in AWS, Azure, Google Cloud, and Office 365 administration. 💻 Expertise in Proxmox, VirtualBox, and Hyper-V clusters. 📦 Designed and deployed multi-VM Hyper-V clusters on Hetzner and OVH cloud, including 📡 Monitoring & Optimization 📊 Proficient in IPMonitor, PRTG, and Nagios Core for proactive system monitoring. 🖥️ Implemented alerting and dashboards to maximize uptime and performance. 🤝 Collaboration & Service Desk 📋 Experienced with Jira Service Desk for IT support management. 💬 Microsoft Teams administration for seamless organizational collaboration. 🔧 Troubleshooting Expertise 🛠️ Known for resolving complex IT issues quickly and effectively. 🔍 Strong skills in diagnosing root causes of outages and performance issues. Compliance : SOC 2, ISO 27001 and other 🌟 Recent Project Highlight: Hyper-V on Hetzner & OVH Cloud I recently completed a deployment of a Hyper-V cluster hosted across Hetzner and OVH cloud platforms. The project involved: 🔐 pfSense firewall for network segmentation. 🏢 Windows Domain Controller setup with Active Directory. 🌍 Hosting web servers for client-facing apps. 📂 DFS file sharing with replication. 💾 Veeam backup and disaster recovery plan. 🔑 RDP with MFA to secure remote access. This end-to-end solution delivered security, redundancy, and scalability, ensuring high availability for business-critical services. 💡 Why Work With Me? I deliver IT solutions that are: 🔒 Secure – with MFA, firewalls, and proactive vulnerability management. 🚀 Scalable – built on modern cloud and virtualization technologies. 📈 Reliable – with backups, monitoring, and performance tuning in place. Whether you need system administration, virtualization, cloud setup, or IT security hardening, I provide enterprise-grade solutions with a proven track record of success. 🚀 Let’s build a secure and resilient IT environment for your business.

4.4
4.4
86%

Koral, Pakistan
$10 USD per hour
Perfection, meeting the right deadlines, and 100% client satisfaction are my top priorities. I am available to respond to your queries 24/7 and ensure smooth communication throughout the project. Full-Stack Software Engineer | Cyber Security Specialist | AI Solutions Architect I am a professional Software Engineer with strong expertise in: Website Development Android Apps Development Games Development Website UI/UX Design SEO & Digital Marketing Photoshop & Graphics Designing Video Editing CSS UX/UI Responsive Design Blockchain & NFT Development MetaTrader MT4 & MT5 Watch Face Design AutoCAD Plans Web Scraping Lead Generation Bulk Emails / Phone Numbers Collection Project Management and System Design Documentation Software Requirement Specification (SRS) Software Development Plan Shopify, Squarespace, WordPress Figma Virtual Assistant Services In addition, I specialize in Cybersecurity and Artificial Intelligence. As a Certified Ethical Hacker (CEH), I have hands-on experience in penetration testing, vulnerability assessment, secure web and mobile application development, AI-based phishing detection systems, secure chat applications with end-to-end encryption, and vulnerability scanning tools. I focus on delivering secure, scalable, and high-performance solutions that help businesses grow and stay protected.
A Wireless Security Engineer is a cybersecurity specialist who designs, audits, and hardens Wi-Fi, Bluetooth, cellular, and IoT wireless networks to prevent unauthorized access, interception, and data exfiltration. Hiring a freelance wireless security engineer gives your organization expert defense against rogue access points, weak encryption, and radio-frequency attacks without the overhead of a full-time security hire.
Wireless networks remain one of the most exposed attack surfaces in modern infrastructure. A skilled wireless security engineer identifies vulnerabilities across 802.11 Wi-Fi, Bluetooth and BLE, Zigbee, LoRa, 4G/5G, and other RF protocols, then implements controls that reduce risk to an acceptable level. The work blends penetration testing, secure architecture, and compliance — turning a noisy radio environment into a defensible perimeter.
Commercially, this matters because a single rogue access point or misconfigured WPA2-Enterprise deployment can expose internal traffic, credentials, and customer data. A wireless penetration tester or RF security consultant gives leadership documented evidence of risk and a remediation plan that satisfies auditors, insurers, and regulators.
Engagements vary by scope, but a freelance wireless security expert typically delivers a defined set of artifacts a client can act on immediately.
Specialized tooling is what separates a strong wireless security consultant from a general network engineer. Expect candidates to be fluent with the radio capture, cracking, and analysis stack used across the industry.
Any organization that depends on wireless connectivity for operations or customer service is a candidate for this work. Common sectors include:
Strong candidates combine offensive testing experience with defensive architecture knowledge. Look for relevant certifications, a track record of documented engagements, and the ability to communicate findings clearly to both technical and executive audiences.
Sample interview questions to use directly:
Freelancer.com gives you direct access to a global pool of vetted wireless security engineers, penetration testers, and network architects across every time zone. You can review verified profiles, certifications, ratings, and past client reviews before committing, and you set your own budget while receiving competitive bids from qualified specialists. Whether you need a one-time wireless audit or an ongoing security partner, freelancers on Freelancer.com cover the full spectrum of RF, Wi-Fi, Bluetooth, and IoT expertise. Milestone Payments protect your funds until deliverables are approved, making it straightforward to hire on Freelancer.com with confidence.
Hiring the right wireless security specialist comes down to writing a precise brief, reading proposals carefully, and validating evidence on each freelancer's profile. The process below is tailored to wireless engagements, where scope clarity and authorization detail matter as much as technical skill.
The quality of your project post directly determines the quality of bids you receive. A wireless security brief should give freelancers enough technical context to scope the work accurately, including the protocols, environments, and deliverables involved. Head to the
Bids are short proposals, not just price quotes. A strong wireless security bid demonstrates the freelancer has read the brief, understands the protocols involved, and proposes a realistic methodology and timeline. Use Freelancer.com chat to ask follow-up questions before shortlisting.
The final decision combines proposal quality with the evidence on each shortlisted freelancer's Freelancer.com profile. Look for consistent quality across multiple wireless engagements, not just one impressive example, and weigh written client reviews alongside star ratings.
A focused Wi-Fi penetration test on a single site typically takes one to two weeks, including reconnaissance, active testing, and reporting. Larger multi-site assessments, IoT product reviews, or full secure architecture redesigns can run several weeks to a few months depending on scope and remediation support.
A network security engineer focuses on wired infrastructure, firewalls, segmentation, and perimeter defense. A wireless security engineer specializes in the radio layer — 802.11, Bluetooth, cellular, and IoT protocols — including RF analysis, wireless authentication, and attacks that simply do not exist on wired networks.
Yes. Many clients post one-time projects such as a pre-audit Wi-Fi penetration test, a WPA3 migration review, or an IoT device security assessment. You can also retain a wireless security consultant on a recurring basis for quarterly reviews or post-deployment validation.
For scoped wireless work — a site assessment, a configuration review, or a targeted penetration test — an experienced freelancer delivers the same technical depth as an agency without the overhead. Agencies are typically only necessary when you need a large, multi-discipline team running parallel workstreams.
A competent wireless security engineer plans testing windows to minimize impact, separating passive reconnaissance from active attacks like deauthentication or jamming. Discuss change windows, scope boundaries, and out-of-scope SSIDs in the brief so the engagement runs without operational surprises.

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