Top Blockchain Architecture freelancers

305 freelancers list Blockchain Architecture on Upwork.

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Showing 50 of 305Data updated Nov 7

# Freelancer		SinceMember since
Cameron W. 🇺🇸🇺🇸 Software Expert	$16k↓ 1%	Aug 2012Aug 16, 2012
Jesus C. 🇪🇸Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Aug 28, 2026.🇪🇸 Blockchain & Software Developer \| AI Solutions Expert	≈$6k–	Mar 2025Mar 21, 2025
Harshit M. 🇮🇳🇮🇳 Tech Entrepreneur	$4k↑ 3%	Apr 2022Apr 7, 2022
4 Chidiuso Christopher I. 🇳🇬🇳🇬 Software Engineer: Backend \| Web3 \| DevOps	$4k↑ 3%	Jul 2016Jul 27, 2016
5 Vivek N. 🇮🇳🇮🇳 Full Stack Developer \| Shopify, Laravel & WordPress Expert	$3k↑ 3%	Oct 2010Oct 20, 2010
6 Mosh M. 🇨🇭🇨🇭 Head of Development \| Senior Fullstack & Web3 Engineer	$3k↑ 8%	Sep 2025Sep 22, 2025
7 Iresh A. 🇱🇰🇱🇰 Back-end Developer	$3k↑ 9%	Apr 2024Apr 11, 2024
8 Ashish C. 🇮🇳🇮🇳 Full Stack Web3 Developer \| Blockchain Developer \| Web & Mobile Apps	$3k↓ 4%	May 2021May 25, 2021
9 Vaughn B. 🇺🇸Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Jul 17, 2026.🇺🇸 Full Stack Development, React, API, Web3, CSS	≈$3k–	Aug 2025Aug 14, 2025
10 Ramsey M. 🇩🇿🇩🇿 Software Engineer \| Blockchain Developer \| Web/Desktop Applications	$2k↑ 1%	Sep 2023Sep 5, 2023

Freelancer	MRR	Member since
11 Ravinder S. 🇮🇳🇮🇳 Senior Blockchain & AI Engineer \| Web3 \| DeFi \| Smart Contracts	$2k↑ 11%	May 2022May 31, 2022
12 Wisdom O. 🇷🇼🇷🇼 Research Engineer	$2k↓ 2%	Mar 2026Mar 9, 2026
13 Oussama H. 🇲🇦🇲🇦 Full-Stack \| Cybersecurity \| Blockchain Engineer	$2k↑ 2%	Apr 2019Apr 20, 2019
14 Usama A. 🇵🇰🇵🇰 Technical Writer \| IT Proposals, AI & Electrical Engineering Content	$2k↑ 3%	Jul 2018Jul 15, 2018
15 Viet Anh T. 🇻🇳🇻🇳 Financial Systems \| Web3 Architect \| Python, MT5, Smart Contracts	$2k↓ 28%	Jan 2026Jan 31, 2026
16 Eric M. 🇯🇵 NewNew🇯🇵 20 Years of Web/App Dev (10Y of Crypto/Game Dev)	$2k–	Mar 2016Mar 13, 2016
17 Syed Muhammad Kumail R. 🇵🇰 NewNew🇵🇰 Full Stack React Developer \| Flask \| AI \| Blockchain	$2k↑ 6%	May 2026May 17, 2026
18 Rakesh Kumar S. 🇮🇳🇮🇳 Blockchain Developer, Smart Contract, Solidity, Solana, Cryptocurrency	$2k↓ 1%	Nov 2017Nov 27, 2017
19 Vikas K. 🇮🇳🇮🇳 Full Stack Developer \| Blockchain, Next.js, Smart Contracts \| Web3	$2k↑ 3%	Mar 2022Mar 14, 2022
20 Mahmoud S. 🇪🇬🇪🇬 Senior Software Engineer	$1k↑ 2%	Aug 2013Aug 6, 2013

Freelancer	MRR	Member since
21 Shaurya K. 🇮🇳🇮🇳 Freelance Software Development Agency	$1k↑ 6%	Oct 2025Oct 3, 2025
22 Daniel M. 🇮🇱 NewNew🇮🇱 AI Agent & Automation Developer \| LLM Apps, Trading Bots, Web3	$1k↓ 15%	Jul 2026Jul 26, 2026
23 Himanshu N. 🇮🇳🇮🇳 Blockchain Developer, Solidity, DApps, DeFi, NFT, Web3/Solana/Ethereum	$1k↑ 3%	Nov 2015Nov 17, 2015
24 Haider A. 🇦🇪 NewNew🇦🇪 Software Dev. Brand management. Consultancy	$1k↓ 5%	May 2026May 6, 2026
25 Iryna K. 🇺🇦🇺🇦 data scraping, cryptocurrency explorer	$1k↑ 5%	Feb 2025Feb 23, 2025
26 Iryna K. 🇺🇦🇺🇦 data scraping, cryptocurrency explorer	$1k↑ 5%	Feb 2025Feb 23, 2025
27 Dima L. 🇺🇦🇺🇦 Crypto Exchange \| SaaS \| Marketplace \| Full stack developer \| Node.js	$1k↓ 12%	Mar 2014Mar 26, 2014
28 Nigam S. 🇮🇳Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Jul 17, 2026.🇮🇳 Blockchain & AI Solutions Architect \| Smart Contracts	≈$1k–	Nov 2021Nov 30, 2021
29 Anushka G. 🇮🇳🇮🇳 Expert Web and Mobile App Development AI Specialist	$1k↑ 16%	Sep 2024Sep 24, 2024
30 Minh Nhat H. 🇻🇳🇻🇳 Growth Manager for StartUps	$999↓ 12%	Dec 2021Dec 8, 2021

Freelancer	MRR	Member since
31 Ali . 🇹🇷 NewNew🇹🇷 Software \| Product \| Infrastructure \| Fintech	$994↑ 21%	Mar 2024Mar 15, 2024
32 Zoya K. 🇮🇳🇮🇳 Blockchain Developer \| Solidity \| React \| Node	$9780%	Aug 2025Aug 1, 2025
33 Ram G. 🇮🇳🇮🇳 Full Stack Blockchain Developer	$958↓ 18%	Jul 2023Jul 7, 2023
34 Rehman A. 🇵🇰🇵🇰 AI \| Full Stack Developement \| RAG \| Blockchain \| Smart Contracts	$845↓ 1%	Apr 2019Apr 1, 2019
35 Aarohi M. 🇮🇳🇮🇳 Software Developer	$829↓ 31%	Mar 2026Mar 10, 2026
36 Purshottam S. 🇮🇳🇮🇳 FDE \| LLMO - RAG - Agentic Workflows	$797↓ 1%	Oct 2018Oct 28, 2018
37 Daniel H. 🇧🇴 NewNew🇧🇴 Engineering, Data Science and Mathematics, ML engineering, Blockchain	$772↓ 20%	May 2026May 18, 2026
38 Mbacheck E. 🇺🇸 NewNew🇺🇸 Full Stack Developer (AI, DevOps, Cloud Infrastructure)	$764↓ 19%	Apr 2026Apr 21, 2026
39 KODJO ACHILLE G. 🇻🇳🇻🇳 Blockchain developer \| Fullstack web \| dapp,react,python, erc20, nft.	$757↓ 6%	Mar 2022Mar 8, 2022
40 Syed Ahmed A. 🇵🇰🇵🇰 Senior Full Stack & Blockchain Developer \| Web3 \| Smart Contracts	$750↓ 1%	Feb 2012Feb 11, 2012

Freelancer	MRR	Member since
41 Joshua J. 🇺🇸🇺🇸 Senior AI Engineer \| Web3	$742↓ 1%	Sep 2022Sep 8, 2022
42 Mohammed A. 🇮🇳🇮🇳 Blockchain Development, Cryptocurrency & Blockchain Developer	$655↑ 5%	Oct 2022Oct 27, 2022
43 Jan Z. 🇩🇪 NewNew🇩🇪 AI & MVP Builder \| Web3, Automation, and Rapid Prototypes	$540↓ 28%	Oct 2025Oct 22, 2025
44 Ehtasham F. 🇵🇰🇵🇰 Rust & Solana Developer \| AI/LLM Systems, Smart Contracts & Bots	$523↑ 23%	Jun 2024Jun 23, 2024
45 Muhammad A. 🇵🇰🇵🇰 Blockchain & Full Stack Dev \| DeFi & Smart Contracts \| 25+ Built	$503↓ 31%	Aug 2020Aug 10, 2020
46 Nick C. 🇬🇧🇬🇧 AI Solutions Architect \| Fractional CTO \| Production AI, SaaS, RAG	$482↓ 19%	Mar 2025Mar 18, 2025
47 Vadim S. 🇺🇸 NewNew🇺🇸 AI, IAM & Cybersecurity Strategy Consultant	$459↓ 25%	Jun 2026Jun 8, 2026
48 S M Hasibul Islam J. 🇧🇩🇧🇩 Full-Stack Developer \| Mobile App Development	$453↓ 22%	Oct 2025Oct 26, 2025
49 Tetiana S. 🇫🇷🇫🇷 Senior Product Designer \| B2B SaaS \| Dashboards \| Enterprise UX	$452↓ 17%	Jun 2022Jun 9, 2022
50 Vishal B. 🇮🇳🇮🇳 Penetration Tester & Blockchain Security Engineer \| VAPT \| Solidity \|	$418↓ 5%	Jul 2020Jul 29, 2020

From public Upwork profiles, refreshed daily.