This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Full-stack Engineer based in India. This is a senior engineering opportunity focused on the long-term stability, scalability, and evolution of production web applications.You will take ownership of features beyond their initial launch, improving established systems across both frontend and backend technologies.The role combines hands-on development with production troubleshooting, performance optimization, code quality, and technical stewardship.You will work extensively with React, Next.js, Node.js, and TypeScript while optimizing APIs, data models, and cloud infrastructure.AI-powered coding tools such as Claude Code and Codex will be part of your daily workflow, helping accelerate refactoring, maintenance, and engineering improvements.You will collaborate with clients, product stakeholders, designers, and engineers in a fast-paced, delivery-focused consulting environment.This role is ideal for an experienced full-stack engineer who enjoys solving complex production challenges and ensuring systems remain reliable as they scale.