Treeunfe

Invoice generation is critical, high-throughput work: the platform has to stay available while it evolves, and the interface has to hold up under many users working at the same time.

• Collaborated on a critical core technology migration with near-zero downtime, modernizing the stack and improving overall maintainability.
• Contributed to the frontend development and scaling of the SaaS with Next.js, Tailwind CSS, Zustand and Zod.
• Architected and implemented high-concurrency features supporting 1,000+ simultaneous users.
• Configured and managed automated CI/CD pipelines and cloud deployments on AWS Amplify.
• Built scalable web components, enforcing strict code standards, performance optimizations and robust state management.

simultaneous users supported

1,000+

downtime during the core migration

≈0

automated deployments on AWS Amplify

CI/CD