Hire Freelance Mobile Security Engineers
Cesar David Sosa Perez
Cesar is a full-stack software engineer specializing in React Native, Kotlin, and Swift. His broad experience includes developing essential applications in various sectors such as banking, telecommunications, health, and artificial intelligence (AI). Cesar's important area of interest is working with Agile methodologies with CD/CI and the cloud.
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Iliyan Germanov
Iliyan co-founded Ivy Apps and built Ivy Wallet: an open-source money manager with 80,000+ installs, a 4.8/5 rating, and 2,797 reviews on the Google PlayStore. The YouTube tech community recognized Ivy Wallet as the best Android UI/UX in 2021. Iliyan is also a functional programming and Kotlin expert. He built from scratch the institutional-grade security Qredo Signing App and developed the fintech mobile wallet: phyre—including its white-label products—which combined have 300,000+ customers.
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Jubaer Alnazi Jabin
Jubaer, an OSCP specialist, holds a reputable position in information and cloud security. With 5+ years of experience, he discovered the Apple vulnerability (CVE-2023-23526) and identified vulnerabilities in 300+ companies like Apple, Grab, Google, Yahoo, Facebook, and Uber. Jubaer excels in HackerOne, writes insightful articles, and creates Python and Go tools. His expertise spans security compliance (GRC) and Web3 technologies, making him invaluable in securing data and systems.
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Kristian Kozak
Kristian is a senior developer focused on data engineering and web development. He has been building software for almost a decade, has leadership experience from a five-person research and development team, and has two published papers under his belt. Kristian specializes in working with data in Python and R and developing web services in Ruby on Rails.
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Jon Fenner
Jon has over 20 years of experience in leadership, web application design, development, and infrastructure using a variety of platforms, including React, Node.js, React Native, NoSQL, and MySQL. Jon is an exceptional communicator and works well individually and as a team player or leader.
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Joel Teo
Joel is a security engineer at ADDX, where he and a colleague maintain the security posture of the entire company. His responsibilities are handling vulnerabilities, remediation, threat modeling, and spearhead initiatives to improve the security of the business' cloud environment. Joel loves to build things to solve or automate practical problems for the people around him and tries out new technologies and concepts that he comes across, such as Kubernetes, Serverless, and containers.
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Aseem Shrey
Aseem enjoys building DevSecOps pipelines and setting up automation using Go, Python, Terraform, CI/CD pipelines, AWS Lambda, and Google Cloud Platform (GCP), among others. To effectively manage infrastructure security at scale, he often builds fault-tolerant systems and automatic failure detection in these systems. Aseem reviews code changes going to production for security issues and often engages in web app penetration testing.
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Victor Oghifobibi
Victor is a cloud architect with 12 years of experience, 3+ in designing and building cloud and hybrid solutions. He is a certified Azure Solutions Architect Expert with a computer science background and a deep understanding of how to undertake end-to-end cloud deployments, architectural design decisions, POCs, and migration plans. Victor specializes in developing highly available, scalable, secure, hybrid cloud environments and migration plans to help customers confidently adopt the cloud.
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Mehedi Hasan Khan
Mehedi is a top software engineer who builds delightful mobile apps and related software systems. With nearly a decade of experience designing, architecting, and developing native Android and iOS apps, he has gained expert knowledge of Android/iOS systems, SDLC, Java, Swift, Kotlin, REST APIs, Scrum, clean architecture, and more. Mehedi is a team player and master communicator with a curious mind and an entrepreneurial mindset.
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Shahid Hakim
Shahid is a skilled cybersecurity professional who thrives on challenges, specializing in offensive security, red teaming, threat modeling, and incident response. He is certified in ethical hacking and blockchain security and excels in strategic threat mitigation. He has documented success in creating robust security frameworks and enjoys mentoring others. With each vulnerability, Shahid uncovers advanced cybersecurity for a safer digital world.
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Joe Bagdon
Joe is a seasoned security and infrastructure engineering professional with experience performing application and network assessments, writing and enforcing policies, providing defense for an enterprise environment, and administrating infrastructures. He has in-depth knowledge of information security, information technology, and information warfare. Joe is a competent Python programmer, adding automation and integration that reduces workloads.
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