Ratnesh Kumar GuptaSaaS & AI Systems Architect
Available for: SaaS architecture consulting, AI systems design, and fractional CTO engagements
I design and architect scalable SaaS platforms and AI-powered systems — from product conception through production. 15+ years bridging technical depth and business outcomes across 5 global markets.
Selected work
Enterprise SaaS platform migration — UK market
Led end-to-end transformation of a legacy monolith into a multi-tenant SaaS platform. Coordinated 12 engineers across 3 time zones, on-time and under budget.
High-volume e-commerce platform — US retail brand
Architected a custom platform surviving 100k+ concurrent Black Friday users. Multi-currency checkout across 5 countries with 99.98% uptime SLA delivered.
Digital transformation rollout — Germany & France
Programme managed an 18-month ERP modernisation for a European manufacturing firm. Replaced legacy workflows and onboarded 200+ users across two countries.
What clients say
Ratnesh is a 'speed coder' with a passion for new technologies. He solves complex problems with agility and stands apart from the rest. He brought tremendous value to the team with his positive, can-do attitude and has been a pleasure to work with.
Ratnesh is a very efficient developer. I was always confident when I had to work with him. In addition he is a very endearing person and very friendly. Thanks Ratnesh for this collaboration — I hope we will have another chance to work together.
Ratnesh is very detail-oriented and plans every bit of his work carefully. He puts a lot of thought in and comes up with very optimised solutions. I got a chance to work with him and learn a lot — he is a cheerful team member who is always there to help.
Let's build something great
Whether it's a new product, consulting engagement, or a technical leadership role — I'd love to hear what you're working on.