You will get a Scalable Microservices Web App with RAG AI Features
Project details
Are you looking for a software solution engineered to handle real-world complexity? I am a Computer Engineer offering professional application development and architectural design.
Whether you prefer the industrial standard of Java or the modern conciseness of Kotlin, I deliver strict, type-safe code that ensures your application is maintainable, secure, and bug-free long after delivery.
My approach is grounded in proven engineering principles. I don't just write code; I design systems. I specialize in building complex, modular platforms using Microservices and have experience in engineering RAG pipelines from scratch, integrating pgvector and MinIO to enable intelligent, semantic document analysis.
Whether you need to modernize an existing business tool, build a new high-performance platform, or integrate AI into your daily workflows, I deliver code that is containerized with Docker and ready for production.
Choose your tier and let's build a system that lasts.
Whether you prefer the industrial standard of Java or the modern conciseness of Kotlin, I deliver strict, type-safe code that ensures your application is maintainable, secure, and bug-free long after delivery.
My approach is grounded in proven engineering principles. I don't just write code; I design systems. I specialize in building complex, modular platforms using Microservices and have experience in engineering RAG pipelines from scratch, integrating pgvector and MinIO to enable intelligent, semantic document analysis.
Whether you need to modernize an existing business tool, build a new high-performance platform, or integrate AI into your daily workflows, I deliver code that is containerized with Docker and ready for production.
Choose your tier and let's build a system that lasts.
Programming Languages
Java, TypeScript, KotlinWhat's included
| Service Tiers |
Starter
$150
|
Standard
$750
|
Advanced
$1,950
|
|---|---|---|---|
| Delivery Time | 5 days | 14 days | 30 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 1 | 4 | 8 |
Design Customization | - | ||
Content Upload | |||
Responsive Design | |||
Source Code |
About Sergio
Full Stack Engineer | Next.js, Kotlin & AI Solutions
Turin, Italy - 7:54 am local time
My priority is quality-first development. Applications are built to grow with your business, bridging the gap between complex data logic and responsive user interfaces.
Core Competencies
Enterprise Backend Systems: High-performance architectures are designed selecting the best stack for your specific needs: Spring Boot (Kotlin/Java) for robust enterprise ecosystems or Rust for safety-critical components. Data integrity is ensured through strict type-safe ORM patterns (JPA, Diesel, Prisma), allowing seamless deployment on any major relational engine (PostgreSQL, MySQL, MariaDB).
AI & Data Engineering: Intelligent features are integrated directly into business logic. Expertise includes building RAG systems (Retrieval-Augmented Generation), implementing vector databases like pgvector, and using Spring AI for semantic document analysis.
Modern Web Development: Type-safe, responsive frontends are delivered using TypeScript, React, and Next.js, creating a seamless user experience from the interface down to the database.
If you are looking for an engineer who understands the entire stack, from the database schema to the UI component, I am ready to discuss your project.
Steps for completing your project
After purchasing the project, send requirements so Sergio can start the project.
Delivery time starts when Sergio receives requirements from you.
Sergio works on your project following the steps below.
Revisions may occur after the delivery date.
Analysis & Microservices Architecture Design
I analyze your goals and design the full system architecture (PDF). We define the Microservices split (Gateway, Auth, AI Core), Database schema, and API strategy to ensure a scalable foundation before coding.
Environment Setup & Docker Configuration
I set up the development environment, including Spring Boot repositories and Docker Compose files. I configure the infrastructure containers (PostgreSQL, pgvector, Keycloak/Auth) to get the backend ready for development.