Hire Top Freelance Cybersecurity Developers

Cliffosa Okoro

As a software developer with 8 years of experience, I am captivated by programming paradigms and the best practices for designing and implementing software architectures. **I'm happy to offer a 10-minute free session to look at your current work if any exist. This will help us see if I can solve your problem before you pay for a session. This way, I'll better understand what you need and can help you more effectively.** Let's collaborate to create impactful solutions.

Mohammed Hassan

With over 15 years of experience across software engineering, architecture, and product leadership, I specialize in building high-performing engineering teams, architecting scalable systems, and driving strategic product delivery. As a Tech Lead and adjunct faculty member, I combine hands-on technical expertise with leadership, mentorship, and education to deliver enterprise-grade solutions while developing the next generation of engineers. Technology Stack: Mobile & Web: Flutter/Dart, React, Multi-tenant Architectures Cloud & Backend: AWS (AppSync, Amplify, Lambda), Firebase, GraphQL, REST APIs Languages: C/C++/C#, Dart, Java, Python, JavaScript/TypeScript Specialized: IoT, Embedded Systems, Edge AI, Information Security Architecture: Clean Architecture, Microservices, Event-Driven Systems Leadership & Roles: Tech Lead / Chapter Lead – Leading cross-functional teams of 8+ engineers Product & Engineering Manager – Driving product strategy and delivery Solutions Architect – Designing enterprise systems and multi-tenant platforms Educator & Mentor – Adjunct faculty + 300+ mentees on Codementor Key Expertise: Teaching computer science fundamentals and advanced topics Leading distributed engineering teams and establishing technical standards Architecting and delivering complex SaaS platforms Strategic product roadmapping and stakeholder management Building developer assessment frameworks and quality systems Mentoring engineers from junior to senior levels Educational Background: PhD Candidate, Computer Engineering (Edge AI Research) Master of Computer Engineering Master of Business Administration (MBA) Postgraduate Diploma, Software Development Skills (UNIX) Bachelor of Computer and Information Sciences Current Focus: Building scalable multi-tenant platforms, AI-driven development workflows, team capability development, and strategic consulting and education.

Periklis Gkolias

I am an experienced security engineer and technology professional with an expert level of technical skills and a proven record of consistently delivering business value for clients. My experience ranges across security engineering, cloud security, and full-stack development, and I specialize in tools such as Azure, Docker, Kubernetes, AWS, and Terraform. I have successfully secured and optimized infrastructure and implemented security measures for clients, while integrating third-party systems and ensuring regulatory compliance, like FedRAMP and ISO 217001. I truly believe that a good combination of technical excellence and interpersonal skills is key to delivering meaningful results in today’s landscape. If you are seeking a technical expert who can bridge the gap between technology and business, while adding some laughter into the mix, then let’s have a chat!

Binjamin

I believe its important share knowledge to help others grow. So I would like to share my experiences I have developed over the past 15 years with various programming languages and technologies.

Nirosh Jayaratnam

I'm currently working as a Senior Security Engineer at 99X Technology, focused on growing in the field of Information Security. I have 3+ years of experience in Information Security and 2+ years of experience in Secure Software Development. Areas of expertise include: Vulnerability Assessment, Penetration Testing, Web Application Security, Mobile Application Security, Programming (Java, C#, C++, and JS), Secure Software Development, Code Review, Security Process, IDS/IPS, Security Compliances, and Incident Handling

Irene Anthi

I am a PhD Candidate/ Research Associate in Cardiff University/ Airbus Innovations, investigating the field of Internet of Things (IoT) & Industrial Control System (ICS) Security. Apart from research though, I teach and supervise students for innovative and research based final year projects.

Grant Williams

I am a 5th year doctoral student (with a Masters in CS). I've published in top-tier computer science/cybersecurity conferences (including USENIX, ACM CCS, and ACM IMC). My expertise is primarily in Network Security, Network Security, and ML Applications to Security. I’m interested in applying my extensive Cybersecurity and ML knowledge to freelance projects, and am enthusiastic about applying my programming expertise to the problems clients are facing!

Orange Ashu

I am a Multi lingual (Japanese, English, Hindi etc.) technical Manager worked in embedded products design, Engineering Service providers, Semiconductor OEM companies. I do have Engineering Degree; Professional Training's like PMP, Samsung Managers Training etc. In the past 15+ years, I had the opportunity to work on a wide variety of products. My job profile involves delivering global (Japan, USA, Europe) clients systems architecture, project planning, development and support for embedded projects. Profile also includes proof of concepts/ multimedia or Linux porting for variety of embedded systems based on Various MCUs and SOCs of Qualcomm, NXP, NVIDIA. Skills set: Cyber Security Embedded Cloud DevOps Python JS, Java Android, iOS

Bruce Lucas

Hello, my name is **Bruce**. I am a **Tech Mentor** to individuals and startups. I focus on creating value in Product Development, Server Management and Tech Startup Advisory & Support. I am the founder of a *Tech Innovation Hub* and we create and maintain value across tech-driven products and businesses. I also run a *Web Hosting Company* for close to 10 years that keeps me happy daily with **Linux and Customer Satisfaction Feedbacks**. I simply solve tech problems. say hi. https://linkedin.com/in/brucealgorithm

Scott K

Some recent examples include; 1) Integration and Implementation of Cisco ISE with Trustsec and Cisco ASA/Sourcefire/FireSIGHT/FireAMP for endpoints and Networks 2) integration and implementation of Cisco ISE with Cisco ASA. 3) Integration and Implementation of Cisco ISE, Cisco Trustsec, Cisco AnyConnect and 802.1X authentication with Microsoft Active Directory, Guest Internet access, Cisco ASA, and Sourcefire/FireSIGHT/FireAMP. 4) Transitioned company networks from one company into two while performing all upgrades. Work included Cisco ISE, Cisco Trustsec, Cisco ASA, Cisco Prime, and Cisco WLC 5) Implementation, Integration, Training of Cisco ISE with 802.1X Wired/Wireless configuration with Trustsec.. • Upgrade of WLC and integrate with Cisco ISE and Cisco Prime in over 350 Hospitals across the U.S. • Provide Network Security, Penetration Testing, and network defense strategies to clients throughout the world. • Consult with major utilities on Smart-Grid Cybersecurity and physical security, and provide recommendations and technology implementation (NERC CIP v3 – v5). • Provide Crypto-Currency Consulting and Security recommendations. • Create Solutions based upon Microsoft Azure, AWS and Vmware vCloud Cloud Platforms, VM’s, Databases, Servers, AD, FIM, DNS, IPS, and other cloud base products. • Migration of Windows XP to Windows 7, Windows 8.1, and Windows 10 operating systems. • Cisco Prime, ISE, ACS, and 5508 Controller migrations. • Leader for driving Security Breach issues to closure, while also advising customers on compliance with state and federal laws (NERC / NIST v3-v5) • Served as VP for National Smart grid solution telecommunications provider. • Extensive research on Current security issues. (TLS/SSL,Secp256r1(k1), ECDSA, AES, ECDHE etc.) Attacks and recent vulnerabilities (side-channel attacks, timing attacks etc.) Built a compliant POC for blockchain and related Dapps using IBM Hyperledger, and Solidity. Have created SmartContracts and created New Crypto Coins and tokens. �l�