Best rated AI freelancer? Judge the evidence yourself
“Best rated” is easy to claim and hard to check, so this page lists only things you can verify: my Upwork record, a client rating, a verbatim client testimonial, a national hackathon win and a proctored Anthropic certification.
- 100% Job Success · 11 jobs · 80+ hrs
- 4.8★ average client rating
- #1 of 8,744+ teams, ISRO 2025
My Upwork record and client rating
On Upwork I hold a 100% Job Success score across 11 jobs and more than 80 hours of work. Separately, Charyx Labs, the studio I founded in November 2024, holds a 4.8★ average client rating. In total I have supported 13+ businesses in four countries: the US, Japan, Australia and India. The work spans real-estate SaaS, a solar operations portal, voice AI and CRM automation.
What a client said
This testimonial is published on charyxlabs.tech and quoted here word for word, without the client’s name: “Chaitanya Sharma has been an absolute asset to my business. He is incredibly responsive and consistently delivers on every task I give him.” Responsiveness is what I work hardest at: weekly demos, clear written updates, and problems raised the day I find them rather than at the deadline.
Recognition outside client work
Client ratings show how people felt about working with me. Competitions show something different: how I perform under a hard deadline, judged against thousands of other teams by a panel with no reason to be generous. Both matter when you are about to trust someone new with a production system.
- 1st place, ISRO Bharatiya Antariksh Hackathon 2025 — #1 of 8,744+ teams nationally (team “Bug Trio”, PS-10)
- Honoured at Bharat Mandapam, New Delhi, by the ISRO Chairman and the Union Minister of State for the Department of Space
- Hackathon mentor on Codeveda’s AI/ML track
Credentials that took an exam to earn
In September 2026 I passed Anthropic’s proctored Claude Certified Developer – Foundations exam with 896/1000, against a pass mark of 720. It covers building and shipping production apps and agents on Claude with the Claude API, Claude Code, custom tools and MCP servers, and it is verifiable on Credly. I am also completing a B.Tech in AI & Machine Learning at GGSIPU, Delhi, with a CGPA of 9.42/10.
Rates from $20/hour
Hourly for open-ended work, fixed price for defined projects. The first call is free and there's no obligation.
Frequently asked questions
How can I verify your ratings and certification?
My Upwork profile shows the 100% Job Success score and job history. The Claude Certified Developer – Foundations credential is listed on Credly, valid through September 2027. The client testimonial is published on charyxlabs.tech. Nothing on this page depends on taking my word for it.
Why hire a highly rated freelancer instead of an agency?
With me, the person on the intro call is the person who writes the code, deploys it and answers when something breaks, so nothing gets lost between a salesperson and a developer. Rates start from $20/hour, with fixed-price quotes for defined projects.
What kind of work have you delivered?
A real-estate deal-analysis SaaS, a solar sales operations portal, Retell AI voice agents for a junk-removal company, an n8n lead-qualifying assistant for a property group, GoHighLevel automations and paid-media tracking. The case studies on this site cover the larger builds in detail.