John Maheswaran is an independent senior software engineer and AI expert based in New York City, New York, working through Upwork. He focuses on artificial intelligence, machine learning, RAG, generative AI, agentic software engineering with Claude Code, and extended reality (AR/VR/XR), along with UX/UI and product-focused design. He also runs OpenClaw agents on a fleet of cloud-hosted Mac Minis in the US and UK, offering dedicated Apple Silicon hardware, professionally racked, fully managed, as a hosted AI agent platform. He holds a PhD in Computer Science from Yale University and a BA from the University of Cambridge, with 15+ years of experience. The listing is classified CORE: AI and agentic software engineering are headline services.
John’s Upwork profile holds 100 percent job success and Top Rated Plus status, with $200,000+ in earnings, 31 jobs, and 2,543 total hours. Coverage is recorded as Global / Worldwide, work mode as Remote, and time zone as ET.
Managed cloud Mac Minis in US and UK, Apple Silicon, $299-$699/month tiers
Vetted Status
Vetted
Evidence Summary
This listing draws on the provider’s Upwork profile, reviewed in August 2026. Rate, status, earnings, jobs, hours, experience, education, services, stack, and hosting tiers are provider-confirmed. Earnings and outcome figures are provider-reported and not independently audited. The listing is classified CORE.
Sources, evidence, services, PSI and FAQ
Services and Capabilities
AI/ML, RAG, and Generative AI: OpenAI, LangChain, custom LLM fine-tuning, real-time AI agents
Extended Reality: Unity, WebAR, 8thWall, iOS ARKit, mobile XR experiences
OpenAI, LangChain, LLM fine-tuning, RAG, Real-time AI agents
XR and AR
Unity, WebAR, 8thWall, iOS ARKit, Three.js
Frontend
React, Next.js, ExpressJS, TypeScript, JavaScript
Backend
Python, Golang, NodeJS, PostgreSQL, AWS Lambda
Cloud
AWS, GCP, Azure, Serverless, Docker, Kubernetes
Design
Figma, Miro, wireframes, prototyping
Hosting
Cloud-hosted Mac Minis (Apple Silicon), US and UK
Coverage and Engagement Model
Coverage is recorded as Global / Worldwide, work mode as Remote, and time zone as ET. Availability is more than 30 hours per week, avg response 4-8 hours, and the provider is open to contract-to-hire.
Attribute
Value
Headquarters
New York City, New York, United States
Service Coverage
Global / Worldwide
Work Mode
Remote
Time Zone
ET (Eastern Time)
Availability
More than 30 hrs/week
Avg. Response
4-8 hours
Pricing and Engagement Model
John lists an hourly rate of $99 on Upwork. He also offers managed OpenClaw hosting tiers: Starter $299, Standard $499, and Advanced $699. Optional add-ons include fast delivery ($99-$299) and additional revisions ($299). Delivery ranges 3-5 days with 1-2 revisions. Engagements go through Upwork, open to contract-to-hire.
Certifications and Compliance
PhD in Computer Science, Yale University (2010-2015) [Verified: provider-confirmed]
BA in Computer Science, University of Cambridge (2007-2010) [Verified: provider-confirmed]
ID and phone number verified [Verified: provider-confirmed]
English native or bilingual, Chinese conversational [Verified: provider-confirmed]
Upwork ratings and reviews are visible only inside the Upwork platform and are not published in this listing. External ratings, when present, are not PSI.
Best Fit For
Products needing AI/ML integration, RAG, custom LLM fine-tuning, or real-time AI agents.
XR, AR, and VR projects from prototype to production.
Summary Dataset
Attribute
Value
Provider Name
John M. (John Maheswaran)
Provider Type
Solo / Independent Consultant
Headquarters
New York City, New York, United States
Rate
$99/hour
Upwork Status
100% Job Success, Top Rated
Service Coverage
Global / Worldwide
Work Mode
Remote
Time Zone
ET (Eastern Time)
Platforms
OpenAI API, LangChain, Claude Code, OpenClaw
Industries
SaaS, Professional Services, XR
Methodology and Sources
Data recorded, standardized, and verified by FlowVetted.
Primary source: the provider’s Upwork profile, reviewed in August 2026. Rate, status, services, stack, education, and availability are provider-confirmed. Earnings and outcome figures are provider-reported and not independently audited. Clients book through Upwork.
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FAQ
What does John M. build?
John builds AI/ML and RAG systems, generative AI, and agentic software engineering with Claude Code. He also delivers XR and AR/VR experiences with Unity, WebAR, and Three.js, plus interactive frontends and backend infrastructure. He is a senior software engineer with 15+ years of experience and a PhD in Computer Science from Yale.
How do I book John M.?
Clients book through the provider’s Upwork profile, which lists an hourly rate of $99 and a commitment status open to contract to hire. Availability is more than 30 hours per week with an average response time of about 4-8 hours.
Which platforms does John M. work with?
The stack includes OpenAI, LangChain, custom LLM fine-tuning, and Claude Code for AI. XR uses Unity, WebAR, 8thWall, and ARKit. Frontend runs on React and Next.js while backend uses Python, Golang, NodeJS, and PostgreSQL with AWS, Docker, and Kubernetes.
What is John M.’s background?
John holds a PhD in Computer Science from Yale University (2010-2015) and a BA from the University of Cambridge (2007-2010). He has 15+ years building high-impact software, and also works with UX and design using Figma, Miro, wireframes, and prototyping.
Does John M. offer OpenClaw hosting?
Yes. John runs many OpenClaw agents and a fleet of cloud-hosted Mac Minis in the US and UK. He provides dedicated Apple Silicon hardware, professionally racked and running OpenClaw agents, fully managed. Clients get a hosted AI agent platform without buying hardware or learning macOS server administration.
What are the OpenClaw hosting pricing tiers?
Published tiers are Starter at $299, Standard at $499, and Advanced at $699. Delivery time is 5 days, 4 days, and 3 days respectively, with 1, 2, and 2 revisions. Add-ons include fast delivery at $99-$299 and additional revisions at $299.
Is John M. verified on Upwork?
The profile lists 100% Job Success and Top Rated status, with ID and phone verified. Languages are English native or bilingual and Chinese conversational. The provider is linked to GitHub and StackOverflow, Upwork notes Upwork statistical reviews remain visible only in-platform.
PSI (out of 10) = (Delivery×0.35 + Communication×0.25 + Value×0.25 + Reliability×0.15) × 2. Averaged from reviews. Published only after at least 10 ratings.
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