Clustox
Top Rated PlusFull Stack Web / Mobile / Desktop Application | Blockchain | Enterprise Application Development | UI/UX Design | SaaS | MVP | ChatGPT 4 | DevOps | QA | Data Science and Computer Vision Experts AI, ML, AR/VR & IOT
If this is your agency
#26,392
of 28,921 agencies on Upwork by lifetime earnings, and #526 in Blockchain.
- #26,391Graphic Postboxearnings hidden
- #26,392Clustoxthis agency
- #26,393Amberteqearnings hidden
Total earned
Hidden
kept private by the agency
Jobs
53
contracts to date
Hours
16.5K
billed hourly
Job Success
100%
JSS
Hourly rate
$20–$90/hr
min. project $10,000+
Index Score
84
#502 overall
Insights
How these are computed- Run-rate, measured
- pending
- Needs two observations at least 14 days apart. Our next read of this page turns this on. Nothing is extrapolated from a single contract.
- Lifetime pace
- n/a
- Lifetime earnings divided by years on Upwork. A floor on historical pace, not a forecast.
- Earnings per job
- n/a
- Average contract value to date.
- Realised hourly
- n/a
- Total earned over billed hours. Fixed-price work inflates it; compare with the rate card.
Index Score breakdown84.3/100
Scale 31.8/40Quality 20/20Trust 15/15Momentum 9/15Team 8.5/10
Observation history
Every read of the public page. Last observed Oct 30, 2026 (live read).
| Observed | Earned | Δ | Jobs | JSS |
|---|---|---|---|---|
| Oct 30, 2026 | Hidden | 53 | 100% | |
| Oct 29, 2026 | Hidden | 53 | 100% |
About
Top-ranked self-motivated Technical Expert, CTO / Head Of Engineering, Software Architect, and Product & Project manager with over two decades of experience in conceptualizing, architecting, and building B2B / B2C / SaaS / IoT / Open-Source / Enterprise and Startup products. 📞 Invite me to your job if you would like a FREE 15-minute initial consultation! 📞 What I can deliver --------------------- ★End to end software ★Products that your customers love and make their life easier ★Turn early-stage startups into full functioning enterprises ★Lead huge development teams ★Deliver complex, distributed enterprise systems ★Love to solve technical challenges Summary: 🤝 22+ years in professional software development. 🤝 Senior Technology Executive management experience in roles such as CEO, CTO, VP R&D, Head of Engineering, Systems/Software/Cloud Architect, DevOps, PM, etc. Technical leadership and managing remote and on-site teams of up to 70 engineers, designers, and QA. 🤝 Helped 100s of businesses reach their goals in time. 🤝 Goal is to help companies build better products and services - SaaS, Platforms, Marketplaces, Web, and Mobile Applications. 🤝 Stellar communication skills 🤝 Role usually can be best described as your Remote & Hand-on Software Architect, Project Manager, and Lead Developer, All in One! I write code daily, manage software teams, help make decisions and implement the best software architecture for your backend and front-end solutions, collaborate with designers on UX and UI, help to manage your QA, and so on. Worked remotely with companies worldwide: US, UK, Canada, Norway, Ukraine, Germany, Australia, etc. Worked on multiple highly complex commercial projects, both in startup and enterprise environments, with small and large teams. I can work with the team or develop software independently from the ground (to production), keeping the software quality along the way extremely high! Services: --------------------- ✅ CTO | Tech advisor ✅ MVP | MLP | Startup launch | Product Growth consulting ✅ Native Mobile App Development [iOS, Android] ✅ Cross-platform Mobile App Development [React Native, Flutter] ✅ Fullstack Web Development ✅ Backend Development ✅ Projects / Products consulting, estimation, software/application architecture, and implementation (including features development). ✅ Project / Product Management to build your products with the best efficiency and cost structure (Agile & Lean). ✅ Code reviews / Performance reviews / Leading and mentoring / Fixing most complex issues in your software. ✅ Research and Solution design. Skills: --------------------- ◾ MVP Development ◾ UI/UX ◾ SaaS ◾ ERP/CRM ◾ E-Commerce ◾ Software Architecture ◾ Project Management ◾ Team Leadership ◾ Distributed Systems ◾ CI/CD ◾ Distributed Computing ◾ Distributed Databases ◾ Cloud Computing ◾ Building Startups ◾ Building Teams ◾ Software Architecture Short summary of software engineering expertise: --------------------- ◾ SaaS (Software as a Service, both B2B and B2C) / Multi-tenancy ◾ AI / ML (TensorFlow / Pytorch) / ChatGPT and AI Chat Bots ◾ Web Portals / Admin Portals / CRMs / ERPs ◾ AWS & Azure Clouds from the early days of both Cloud platforms + GCP experience! ◾ 15+ years with Ruby on Rails. ◾ 10+ years with JavaScript. ◾ 5+ years with NodeJS / TypeScript / NestJs. ◾ DevOps, Docker, k8s, CI/CD, Serverless. ◾ Back-end: Ruby, Rails, Sinatra, Refinery, Node.js ◾ Front-end: HAML, SASS, AJAX, Zurb, Twitter Bootstrap, Skeleton Boilerplate ◾ Front End Framework: React, Angular.js, Backbone.js, Ember.js, Require.js, Prototype, jQuery ◾ TDD: RSpec, Mini_test ◾ TDD/BDD support: Capybara, Cucumber, Webrat, factory_girl ◾ Testing frameworks: Selenium, Mocha, Chai ◾ Refinery CMS ◾ Thinking Sphinx, ElasticSearch ◾ Amazon web services, Heroku, Digital Ocean ◾ Python (ML/Django/Serverless), Java, PHP, and much more! Working with me, you will get: ◾ Transparent process with various tracking tools and regular meetings. ◾ Quick replies and clear explanation. ◾ Consulting and pieces of advice based on our expertise and your requirements. ◾ Easy adaptation to existing processes and close collaboration with current team members. ◾ Ability to work with clients in timezones from New York to New Zealand. ◾ Proper documentation and support during the transfer period. Comfortable handling server setups & deployments and have experience working with dedicated servers, Amazon EC2, Heroku, Linode. Also familiar with Agile & Scrum/Kanban methodologies and great communication skills. Feel free to message me to get more details about my experience relevant to your specific project, I am always open to new opportunities! 📞 Reach out by inviting me to your project right now! 📞 Looking forward to working with you on Amazing projects, - SalmanRead more
Skills
Artificial IntelligenceBlockchainMobile App DevelopmentData MiningiOS DevelopmentMachine LearningReactKotlinRuby on RailsChatGPTWeb ApplicationSwiftReact NativeAndroid App DevelopmentPython
Agency facts
- Team size
- 51-200
- Teams on Upwork
- 1
- Founded
- Not published
- Member since
- Jan 2009
- Last contract
- Sep 2026
- Owner
- Salman A.
- Client focus
- Large business, Medium business, Very small business, Small business
- Country
- New York City, United States
- Languages
- Not published
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Clustox is #26392 of 28,921 Upwork agencies. Post the card, or share the link and the card comes with it.
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#26392 overall
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#526 in Blockchain
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#528 in Ruby On Rails
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#1218 in Artificial Intelligence
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#1510 in Machine Learning
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#2569 in Android App Development
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#2722 in iOS App Development
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#3532 in App Development
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#3641 in React Native
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#4308 in United States
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