Case studies: production software I designed, built and run
Three products, three very different problems: a real-estate deal-analysis SaaS with live Stripe billing, a sales and operations portal for a solar company, and a free learning platform with AI-drafted, human-reviewed content. Each case study covers the problem, the architecture, the decisions and what shipped.
100%Job Success on Upwork
4.8★average client rating
13+businesses · 4 countries
896/1000Claude Certified Developer
Case studies
OnOffDeals Case StudyHow I built OnOffDeals, a real estate deal analysis SaaS: React and FastAPI, a valuation engine for ARV, MAO and DSCR, Stripe billing and a Claude deal coach.PowerSmith Case StudyA solar sales rep portal for PowerSmith Energy: 15 screens for reps, teams and admins, a commission engine, affiliate referrals and GoHighLevel sync.Gurukin Case StudyGurukin is a free, ad-free AI learning platform I built: Claude certification prep, JLPT N5 Japanese and a kids’ track, with AI-drafted, human-reviewed content.
Proof and credentials
CertificationsClaude Certified Developer – Foundations (Anthropic), scored 896/1000 and verifiable on Credly, plus Stanford ML and Google GenAI certificates and an ISRO win.Client Ratings & ProofLooking for the best rated AI freelancer? 100% Upwork Job Success across 11 jobs, a 4.8★ client rating, an ISRO hackathon win and a Claude certification.AboutChaitanya Sharma is an AI developer in Delhi and founder of Charyx Labs, building AI agents, SaaS products and automation for 13+ businesses in 4 countries.
Rates from $20/hour
Hourly for open-ended work, fixed price for defined projects. The first call is free and there's no obligation.