Top Cryptography freelancers
183 freelancers list Cryptography on Upwork.
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Showing 50 of 183Data updated Nov 7
# Freelancer | SinceMember since | |
|---|---|---|
 Aleksandr S. 🇦🇲🇦🇲 Expert C++ Engineer | Multithreading, Cybersecurity, High-Performance | $29k0% | Nov 2014Nov 16, 2014 |
Cameron W. 🇺🇸🇺🇸 Software Expert | $16k↓ 1% | Aug 2012Aug 16, 2012 |
Bahar Berna A. 🇹🇷🇹🇷 Software Engineer | Software Architect | $7k↑ 3% | May 2023May 3, 2023 |
| 4 Juan Peniel M. 🇮🇳🇮🇳 Generative AI Engineer | LLM Agents, RAG & AI Architecture Specialist | $5k↑ 13% | Mar 2025Mar 18, 2025 |
| 5 Mihai V. 🇺🇸🇺🇸 AI-Driven Cybersecurity Engineer | Cloud Security, IAM, Compliance | $5k↑ 39% | Oct 2024Oct 19, 2024 |
| 6 Maxim M. 🇪🇸🇪🇸 Senior iOS Developer | $5k↑ 3% | Sep 2018Sep 25, 2018 |
7 Gendelly S. 🇵🇭🇵🇭 HR Director | Head of Talent Acquisition | Technical Recruiter/Sourcer | $4k↑ 26% | Jan 2022Jan 27, 2022 |
| 8 Igor K. 🇨🇦 NewNew🇨🇦 Senior Software Engineer | NetSuite, SQL/ETL, Delphi & JavaCard | $4k↑ 109% | Feb 2021Feb 15, 2021 |
| 9 Derek O. 🇬🇭🇬🇭 Software Engineer(Ruby, Rails, Go), AI Engineering, RAG | $3k↑ 3% | Jun 2015Jun 16, 2015 |
| 10 Genadi S. 🇬🇪🇬🇪 Penetration Tester | Cyber Security Consultant | $2k↓ 6% | Jul 2021Jul 5, 2021 |
| Freelancer | MRR | Member since |
|---|---|---|
| 11 Ravinder S. 🇮🇳🇮🇳 Senior Blockchain & AI Engineer | Web3 | DeFi | Smart Contracts | $2k↑ 11% | May 2022May 31, 2022 |
| 12 Michele O. 🇺🇸🇺🇸 Cryptographer | $2k↓ 51% | Jan 2023Jan 8, 2023 |
| 13 Oleksii B. 🇩🇪🇩🇪 AML, Compliance, FinTech licenses, Crypto regulations, MSB, MTL | $2k↓ 31% | Aug 2022Aug 20, 2022 |
| 14 Mahmoud S. 🇪🇬🇪🇬 Senior Software Engineer | $1k↑ 2% | Aug 2013Aug 6, 2013 |
| 15 Muhammed Yildiray O. 🇹🇷🇹🇷 Reverse Engineer | Android, iOS, Windows | Cyber Security Researcher | $1k↓ 18% | Aug 2022Aug 22, 2022 |
| 16 Alexander S. 🇬🇧🇬🇧 Embedded device software development | $1k↑ 53% | Aug 2021Aug 15, 2021 |
| 17 Shadrack K. 🇰🇪🇰🇪 Reddit, SEO & AI Visibility Specialist|Reddit |Quora|Virtual Assistant | $1k↓ 3% | Jun 2022Jun 12, 2022 |
| 18 Artem V. 🇺🇦🇺🇦 Reverse Engineer and Developer | $1k↓ 14% | Sep 2017Sep 25, 2017 |
| 19 Sameel A. 🇵🇰🇵🇰 Cybersecurity specialist | SOC SIEM EDR/XDR | AI Automation | $1k↑ 5% | Jan 2024Jan 28, 2024 |
| 20 Victor A. 🇳🇬🇳🇬 Onchain Automation Engineer | CEX & DeFi Trading Bot Developer | $981↑ 260% | Sep 2021Sep 28, 2021 |
| Freelancer | MRR | Member since |
|---|---|---|
41 Ali H. 🇵🇰🇵🇰 PenTest, AppSec, AppDev, AI, SaaS, MVP | CEH, CHFI, CPENT, Security+ | $73– | Feb 2020Feb 27, 2020 |
| 42 Hichem B. 🇩🇿🇩🇿 WordPress Malware Removal | Virus Removal | Site Migration Expert | $71↑ 42% | Apr 2018Apr 8, 2018 |
| 43 Lydia K. 🇰🇪🇰🇪 Technical SEO | Technical Writing | AI Coach | $59↓ 1% | Oct 2017Oct 15, 2017 |
| 44 Aqib T. 🇵🇰🇵🇰 Machine Learning Engineer | NLP, Computer Vision & Python Automation | $54↓ 12% | Jun 2024Jun 1, 2024 |
| 45 Kin San L. 🇬🇧🇬🇧 Freelance IT & Security Consultant | $49↓ 67% | Aug 2025Aug 12, 2025 |
| 46 Bashiro A. 🇳🇬🇳🇬 Telegram Ads Manager | Crypto Marketing Specialist | Community Growth | $44↑ 22% | Nov 2023Nov 20, 2023 |
| 47 Kshitij G. 🇮🇳🇮🇳 Developer - Python, AI, Automation, cyber security | $36↓ 1% | Oct 2021Oct 6, 2021 |
| 48 Donnie C. 🇵🇭🇵🇭 Algorithms and Cybersecurity Specialist | Reverse Engineering | $33↓ 1% | Oct 2019Oct 13, 2019 |
| 49 Shehab A. 🇪🇬🇪🇬 C++ & Qt Developer | Desktop Applications & Systems Development | $26↓ 1% | Jun 2023Jun 15, 2023 |
| 50 Saad M. 🇵🇰🇵🇰 PMP certified Project Manager | $25↓ 1% | Jan 2016Jan 17, 2016 |
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