İşe Alınmak Üzere Security Engineers
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Hello. I specialize in building crypto betting and blockchain-based gambling platforms that are secure, scalable, and ready for real-world use. My experience comes from working on live betting systems, not proof-of-concepts, where accuracy, security, and uptime directly impact revenue and user trust. I’ve developed...Hello. I specialize in building crypto betting and blockchain-based gambling platforms that are secure, scalable, and ready for real-world use. My experience comes from working on live betting systems, not proof-of-concepts, where accuracy, security, and uptime directly impact revenue and user trust. I’ve developed end-to-end crypto betting platforms, including sportsbook-style betting, casino-style games, and provably fair systems. My work covers the full stack, from system architecture and backend logic to wallet integration, transaction processing, and high-performance APIs that support real users and real money. On the backend, I design robust, secure architectures with a strong focus on data integrity and performance. I have implemented crypto wallet flows for deposits and withdrawals, blockchain transaction confirmations, odds calculation, bet placement and settlement logic, and balance management. I understand how critical atomic transactions, idempotency, and precise fund handling are in betting systems. I have hands-on experience integrating with blockchains such as Bitcoin and EVM-compatible networks, managing on-chain transactions, confirmations, and security best practices. I also work with third-party services including odds providers, payment gateways, KYC solutions, and fraud prevention tools when required. Security is a top priority in all my projects. I implement secure authentication, role-based access control, wallet protection, rate limiting, anti-abuse measures, and detailed audit logging. I design platforms to handle high traffic, peak betting activity, and real-time updates without sacrificing stability or performance. On the frontend, I build responsive, intuitive interfaces that make betting easy and transparent for users. I focus on real-time odds updates, live betting experiences, and clear transaction histories so users always know where their funds and bets stand. I approach crypto betting projects with a product-focused and compliance-aware mindset. I understand the regulatory sensitivity of this space and build systems that are structured, auditable, and adaptable across different jurisdictions. If you’re looking for a developer who understands both the technical and financial risks of crypto betting platforms, communicates clearly, and delivers production-ready systems built to scale, I’m ready to help. Thanks daha az
stanislavy9
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touhidecevw touhidecevw
60$ USD / saat
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. daha az
touhidecevw
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Top 1% Freelancer with 8+ years of experience as a Computer Scientist , Full-Stack Engineer and Cloud/Cybersecurity Architect. I deliver end-to-end solutions for high-stakes business problems, from concept to production-ready deployment for global clients. My expertise is not just in one domain : I architect and build...Top 1% Freelancer with 8+ years of experience as a Computer Scientist , Full-Stack Engineer and Cloud/Cybersecurity Architect. I deliver end-to-end solutions for high-stakes business problems, from concept to production-ready deployment for global clients. My expertise is not just in one domain : I architect and build the entire system , the secure infrastructure, the scalable backend, and the polished frontend , ensuring a resilient and high-performance result. Core Competencies & Verifiable Experience: ► Full Stack Product Delivery: I have a proven record of shipping complex applications from scratch. My portfolio includes 5+ live apps, demonstrating expertise in: Complex Business Systems: Architected and built the 70+ page front-end for erpflow.vercel.app (HR, Payroll, CRM). HIPAA-Compliant HealthTech: Built the full-stack healthsync-personalize multi-role management system. Cross-Platform Mobile: Delivered a complete Flutter IPTV app (iOS, Android, Web), handling the full lifecycle. ► Cloud & DevOps Architecture (AWS/GCP/Azure): I design and implement scalable and cost-efficient cloud infrastructure. Complex Cloud-Native Solutions: Architected secure, multi-cloud environments, including a sophisticated project integrating IoT devices (nRF9160) with AWS IoT Core for a New Zealand client. Infrastructure Mastery: Deep, hands-on expertise in Linux (Ubuntu, Red Hat), Virtualization (Virtualbox, VMWare, Proxmox), and Containerization (Docker, Kubernetes) to build efficient, high-performance systems. ► Cybersecurity & GRC Architecture: I build systems that are secure and compliant by design, leveraging a practitioner's understanding of both offense and defense. High-Stakes Incident Response: Successfully defended global clients by neutralizing live DDoS attacks (Australia) and architecting custom IDS/IPS rules (Snort/Suricata) to protect IoT fleets (Malta). Audit & Compliance Readiness: Guided enterprise clients through ISO 27001 & SOC 2 audit preparations. Tech Stack: Security: Wazuh, Elasticsearch Stack , Snort, Metasploit, Nessus , Nmap Cloud: AWS, GCP, Azure, Docker, Kubernetes, Terraform Dev: React, Node.js, TypeScript, Flutter, SQL/MySQL , PostgreSQL, Supabase Services Offered: End-to-End Secure Product Development (Web, Mobile, IoT). Cloud & Security Architecture (AWS, GCP, Azure). GRC & Compliance Automation (ISO 27001, SOC 2). Technical Due Diligence & Pre-Acquisition Audits. High-Stakes Problem Solving & Crisis Response. Let's connect and discuss how I can bring this comprehensive, battle-tested expertise to your most important project. daha az
ahmedhassan52
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I'm a Full-Stack Game Developer with 6+ years of hands-on experience delivering both casual and casino-style games, from concept to deployment. I specialize building high-performance multiplayer systems, immersive UIs, and scalable backends-whether for mobile, desktop, or online platforms. What I do best -...I'm a Full-Stack Game Developer with 6+ years of hands-on experience delivering both casual and casino-style games, from concept to deployment. I specialize building high-performance multiplayer systems, immersive UIs, and scalable backends-whether for mobile, desktop, or online platforms. What I do best - Casino-Style Games: Poker, card games, and betting systems - AI & Bots: Custom gameplay bots, moderation AI, automation systems - Frontend Expertise: React.js, Vue.js, Next.js (Cocos for online game UIs), published game dashboards & lobbies - Game Engines: Unity, Unreal Engine, Cocos Creator, Roblox Studio, Godot, GameMaker - Real-Money & Crypto Integration: Web3 wallets, token payments, fiat gateways - DevOps & Hosting: Deployed on VPS, AWS, and full CI/CD pipelines - Admin Dashboards: MAnage games, player data, analytics, and in-game assets - Backend Development: Node.js & java (matchmaking, balance systems, auth, leaderboards) Smartfox server, lidGDX, Netty, OpenGS, KryoNet I understand the business side of games-monetization, engagement, and compliance. I specialize in end-to-end delivery: from gameplay logic and networking to hosting and live deployment. I've built games that handle real money transations, so I prioritize security and scalability. Whether you're building a next-gen multiplayer title, a blockchain-powered game, or secure casino platform-I'm here to make it real. Let's build something players will love. Thank you visit my profile. daha az
kirills31
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We@ResoniteTech have expertise and experience on web, mobile and desktop application development across Java, PHP & Python based frameworks and platform. We have experience on both RDMS and no-sql databases from data modelling to deployments. we do services on testing using JMeter, Selenium based tools and...We@ResoniteTech have expertise and experience on web, mobile and desktop application development across Java, PHP & Python based frameworks and platform. We have experience on both RDMS and no-sql databases from data modelling to deployments. we do services on testing using JMeter, Selenium based tools and platform. We have developed desktop application (windows based) on JavaFx , Android apps, and Web-application based on CodeIgniter, Laravel, Zend, Spring Boot, Quarkus, Django, Fast API and so on. We continue to take more challenging and rewarding projects to scale up further to meet customer's demand. We have developed desktop based windows application called "TradeSense" for managing inventory, billing and accounting of a retail business for small / medium scale industries. Please check out this product on below link https://digitradesense.com/ We have launched mobile app called "UpToDate" to help user take timely action for insurance, utilities, Passport/Visa and family events on Google Play store as below https://play.google.com/store/apps/details?id=com.my.uptodate We have developed desktop based simulation and modelling software product called "Caliper" to optimize distribution network for CPG and Retail customers We have developed mobile app called "Scan & Do" to help the user scan any QR code / Bar Code and do relevant meaningful action according to the scanned code as below https://play.google.com/store/apps/details?id=com.scantosearch Skilled in : PHP, MySQL, Python, Django, Zend, Code Igniter, Laravel, Docker, JMeter, Selenium, Android, Java, SQLite, VC++,OpenGL daha az
KarthikTechCon
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Helping organizations secure their cloud infrastructure and optimize their multi-cloud strategies. I provide end-to-end cloud security services from comprehensive audits to hands-on implementation across AWS, Microsoft Azure, and Google Cloud Platform.Helping organizations secure their cloud infrastructure and optimize their multi-cloud strategies. I provide end-to-end cloud security services from comprehensive audits to hands-on implementation across AWS, Microsoft Azure, and Google Cloud Platform. daha az
ss4net2
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A common challenge clients face is finding candidates capable of rigorous research and applying scientific and engineering principles to effectively troubleshoot and resolve their software problems or meet specific needs. As a Senior Software Engineer with over 12 years of experience, I possess the precise skillset...A common challenge clients face is finding candidates capable of rigorous research and applying scientific and engineering principles to effectively troubleshoot and resolve their software problems or meet specific needs. As a Senior Software Engineer with over 12 years of experience, I possess the precise skillset required to address this gap. My expertise encompasses: - Developing New Web Applications, E-commerce Platforms, and Websites: Utilizing popular open-source solutions including WordPress, Magento, Laravel, and others. - Systematic Troubleshooting: Diagnosing and resolving complex bugs and issues within WordPress, Magento, Laravel, Python, Django, MySQL, and various other environments. - Security Remediation: Identifying and eradicating malware, rootkits, and resolving security vulnerabilities on websites and Linux servers after compromise. - Infrastructure Management and Migration: Executing seamless server-to-server or version-to-version migrations for platforms like WordPress, Magento, and Laravel. - Performance Engineering: Implementing comprehensive speed optimizations to achieve maximum performance for websites and web applications. - Linux Server Administration: Installing, managing, configuring, and fixing issues on Linux server environments, including CentOS, Ubuntu, and platforms like WHM/cPanel and Plesk. daha az
TheCodingZone99
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In this ever-evolving world, numerous industries and skilled professionals have seized the opportunity to showcase their expertise on a global scale through the remote work culture. Consider me one of those individuals who can elevate your brand presence and endorse your organization across various digital...In this ever-evolving world, numerous industries and skilled professionals have seized the opportunity to showcase their expertise on a global scale through the remote work culture. Consider me one of those individuals who can elevate your brand presence and endorse your organization across various digital channels. Platforms such as Facebook, Instagram, Twitter, LinkedIn, Reddit, YouTube, TikTok, Snapchat, Discord, and Pinterest have become the modern arenas where brands compete for recognition. If you wish to stay ahead of the game and secure the number one spot in the market, leave the mind mapping to me. I possess a secret weapon of creativity that leads to unparalleled brand recognition, ensuring your brand is remembered for decades to come. Strategies like, Influencer Marketing - (Covering UK, US, Europe & Asia) Brand Recognition - (Covering UK, US, Europe & Asia) content Marketing - (Covering UK, US, Europe & Asia) Search Engine Marketing - (Covering UK, US, Europe & Asia) Revenue Achievements of a Year of Different Industries, Crypto/NFT Industry - Increased 35% Revenue in a Year of Service Fashion and Beauty Industry - Increased 20% Revenue in a Year of Service E-commerce Industry - Increased 40% Revenue in a Year of Service eBooks - Increased 25% Revenue in a Year of Service The success of the implemented strategies lies in their multifaceted approach: Backend SEO optimization enhanced website ranking and impressions through content and keyword optimization, aligned with search engine algorithms. Additionally, comprehensive management of website content, layout, speed, and theme ensured optimal performance. Brand awareness played a pivotal role, utilizing influential personalities to engage customers and drive revenue growth. Creative and captivating content transported audiences to imaginative realms and catered to technophiles' interests in business and technology. Customers' perception of the brand proved crucial in their purchasing decisions. By effectively showcasing the brand's unique qualities and values, trust and loyalty were cultivated. The establishment of an emotional connection fostered repeat customer choices. In summary, with my comprehensive skills and experience in digital marketing, I am poised to take your brand to new heights. I will employ cutting-edge strategies, engage influential personalities, and craft compelling content that will leave a lasting impression on your target audience. Let us embark on this exciting journey together, ensuring your brand's success for years to come. daha az
aqsaishrat
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Welcome to Idigiplex Infotech - Where Expertise Meets Innovation With over a decade of industry experience (10+ Year Exprience), we pride ourselves on delivering cutting-edge digital marketing solutions that drive unparalleled growth for your business. Unlock Your Potential with Our Comprehensive Suite of...Welcome to Idigiplex Infotech - Where Expertise Meets Innovation With over a decade of industry experience (10+ Year Exprience), we pride ourselves on delivering cutting-edge digital marketing solutions that drive unparalleled growth for your business. Unlock Your Potential with Our Comprehensive Suite of Services: ⭐ ⭐ Advanced SEO Strategies (Local / National / International) ⭐ ⭐ Amazon SEO Optimization ⭐ ⭐ Elevate Your YouTube Presence (Channel Optimization / Crafting Compelling Titles and Descriptions) ⭐ ⭐ App Store Optimization (ASO) Excellence ⭐ ⭐ Strategic Social Media Marketing ⭐ ⭐ Precision Ad Campaign Management (Facebook, Instagram, Google, Snapchat) ⭐ ⭐ Bespoke Website Development (WordPress / PHP / Laravel / CodeIgniter / Shopify) ⭐ ⭐ Personal and Corporate Online Reputation Management ⭐ ⭐ WordPress Speed Optimization and Technical SEO Mastery ⭐ ⭐ Innovative Graphic Design, Image Enhancement, Video Production / Editing, and Logo Design ⭐ ⭐ Dynamic E-Commerce Product Listing Services (Website Maintenance with Regular Updates) Our overarching mission is to establish our clients as leaders in their industries, earning recognition and admiration from competitors and customers alike. Trust in our seasoned team to deliver exceptional results while respecting your budget constraints. Make the Smart Choice and Partner with Us TODAY! Team I Digiplex Infotech daha az
easyranker
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MashoodurRehman1 MashoodurRehman1
35$ USD / saat
✅Web✅Desktop✅Mobile✅Automation✅ML✅Bots✅ScrappingPakistanI am a versatile and highly skilled software developer with a strong command over a wide range of domains including Web development, Desktop applications, Automation, Mobile app development, Machine Learning, Chatbots, Web Scraping, and Graphical User Interface (GUI) design. With a proven track record of delivering...I am a versatile and highly skilled software developer with a strong command over a wide range of domains including Web development, Desktop applications, Automation, Mobile app development, Machine Learning, Chatbots, Web Scraping, and Graphical User Interface (GUI) design. With a proven track record of delivering innovative solutions, I thrive in creating cutting-edge software that not only meets client needs but exceeds their expectations. My passion for technology and dedication to staying at the forefront of industry trends drive my commitment to delivering excellence in every project I undertake. ✅ Frontend (HTML / CSS / JavaScript / Reactjs / Redux / VueJs / Angular / Jquery / GraphQL / Material Design / UI&UX) ✅ Backend ( Python (Django, Flask, FASTAPI) NodeJs (Expressjs), C#(.NET / Blazor) , API Integration, REST APIs) ✅PHP / Laravel / Blade / VB.NET ✅ Mobile app development ( Android & IOS / Flutter / Hive / Firebase ) ✅ Database ( MYSQL, MongoDB, PostgreSQL, Elastic Search (ES), ORM ) ✅ GUI development ( QT / WPF / PYQT / Tkinter ) ✅ Web Scrapping ( BeautifulSoup / Selenium / Scrapy ) ✅ Automation ( Selenium webdriver, Zapier ) ✅ Data Analysis & Visualization ( Numpy, Pandas /Matplotlib / Seaborn ) ✅ Data-Driven Web Apps (Dash / Plotly / Streamlit) ✅ Artificial intelligence / Machine learning (Scikit-Learn / Tensorflow ) ✅ Odoo ✅ AWS (Amazon Web Services) ✅ RASA Chat Bots ✅Docker daha az
MashoodurRehman1
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