AI products
built fast.
Engineered
to last.
Hyper Development is the independent product studio of Alexandru-Stefan Cervinschi, a full-stack engineer building AI-powered SaaS products, intelligent workflows and production-ready prototypes.
Products and tools I've built around real workflows.
From AI-powered customer support to repo-aware code review and adaptive learning systems.
Nexivo
Document-grounded AI support for SMEs.
Nexivo is a multi-tenant AI chatbot SaaS designed for businesses that need contextual customer support based on their own documents and FAQs. It combines an embeddable chat widget, workspace-based administration, AI retrieval workflows and subscription-ready SaaS infrastructure.
- Document-grounded chat
- Embeddable support widget
- Multi-tenant workspace architecture
- Subscription-ready billing flows
- Feedback-driven answer improvement
Based on the uploaded policy, exceptions can be reviewed when the order has documented delivery delays or a warranty-related issue. The support team should request the order ID before confirming next steps.
source found · returns-policy.pdfAI PR Reviewer
Repository-aware review, beyond the diff.
An AI-assisted pull request review tool designed to understand repository context before generating structured review feedback. Built as a practical developer workflow experiment around retrieval, structured outputs and GitHub-oriented usage.
MedApp
Adaptive learning workflows for medical admission preparation.
An AI-powered educational platform currently in development, structured around learning plans, adaptive practice, content generation and an editorial administration workflow.
- Structured learning content
- Adaptive practice workflows
- Editorial review pipeline
- Daily learning planning
From prototype to a product people can actually use.
AI Product Prototyping
Rapid full-stack builds designed around user feedback and real workflows.
RAG & Document Intelligence
Grounded search, ingestion pipelines and contextual AI assistants.
Agent Workflows
Tool-using workflows, structured outputs and review loops.
Full-Stack SaaS Delivery
Frontend, backend, authentication, billing, databases and deployment.
AI-Assisted Engineering
Daily use of modern AI development tools for faster implementation, iteration and validation.
Build. Validate. Improve. Scale only what works.
Understand the workflow
Start with the real user problem, not the AI feature.
Build the smallest useful product
Ship a working prototype quickly and make it usable.
Learn from usage
Observe failures, feedback and operational friction.
Harden what proves valuable
Improve security, reliability, observability and scale once value is validated.
Built by Alexandru-Stefan Cervinschi.
I'm a full-stack developer and AI product builder with 5+ years of experience across frontend, backend, databases, integrations and deployment. Today, my focus is on AI-powered products, RAG systems, SaaS platforms and rapid product delivery using modern AI-assisted engineering workflows.
Let's build something useful.
Open to full-time B2B opportunities and selected AI product collaborations across Europe.
Start a conversation
This check depends on repository context. Add a fallback path when retrieval returns no matching files.