Overninja Technologies LLP

Overninja Technologies is an India-based web engineering firm founded in 2015 by Alex Mercer (Founder & CTO, 15+ years in scalable systems). The company has delivered 50+ projects across 20+ countries with a reported 98% client satisfaction rate. They work directly with CTOs and founders on custom web applications, e-commerce platforms, and cloud infrastructure. The leadership includes Samantha Chen (Head of Design, award-winning), Marcus Johnson (Lead Engineer, React/Node specialist), and Priya Patel (Product Manager).

Services and capabilities

Overninja offers custom web development, e-commerce solutions with inventory management and secure payments, React-based web applications, cloud infrastructure via AWS/Vercel/Supabase, UI/UX design, and API integrations. They claim 99.9% uptime SLA and hold ISO 27001 certification for infrastructure security.

Their stated engagement follows a six-phase model: discovery (week 1), design & prototyping (weeks 2–3), development (weeks 4–8), QA & testing (week 9), deployment (week 10), and ongoing support. They work with React, Next.js, Node.js, TypeScript, Tailwind CSS, Supabase, Vercel, AWS, and Figma. For specific outcomes, they cite a Stratos Logistics project that reduced tracking errors from 20% to effectively 1% (99% reduction) and increased throughput; and a Lumina Retail e-commerce rebuild that achieved 300% faster page loads and a 45% conversion lift using a Next.js headless setup.

Notable work

Stratos Logistics engaged Overninja to replace a legacy system causing 20% tracking errors. The team built a real-time React/Node application that reduced errors by 99% and increased throughput.

Lumina Retail faced slow page loads damaging conversion rates. Overninja deployed a Next.js headless commerce platform, delivering 300% faster load times and a 45% conversion lift.

Other documented projects include HealthSync Portal (HIPAA-compliant patient management in React/Node/PostgreSQL), Aura E-Commerce (Next.js with AR product previews and Stripe integration), and Nexus Agency (award-winning portfolio with immersive scroll animations).

How they work

Overninja uses agile sprints with a user-centric, clean-code philosophy. A typical full-stack engagement runs 10 weeks: discovery (week 1), design & prototyping (weeks 2–3), development (weeks 4–8), QA (week 9), deployment (week 10), plus ongoing support. They enforce strict linting, PR reviews, and testing standards. No explicit pricing is mentioned in their public materials.

Team and credentials

Founded in 2015, Overninja expanded to 20+ countries by 2018 and received awards for web app excellence in 2021. They hold ISO 27001 certification and claim an award-winning design team. Team size is not disclosed. Alex Mercer (Founder & CTO) brings 15+ years of engineering experience; Samantha Chen heads design as an award-winning strategist; Marcus Johnson specializes in React and Node; Priya Patel manages delivery and client success.