Corefang — Expert AI & Full-Stack Engineering Team
We build AI agents, automation systems, and scalable full-stack platforms. Senior engineers. Fast delivery. Real results.
We turn complex ideas into production-ready AI systems — fast.
What We Do
AI Agents & Automations
Workflow agents, customer support automation, dev tools, RAG pipelines, business workflows.
Full-Stack Engineering
Java 21, Spring Boot 3.3, Angular 19, scalable backend and modern frontend systems.
Integrations & Architecture
Microservices, APIs, domain-driven design, cloud platforms, robust distributed systems.
Developer AI Tools
Custom AI assistants, CI/CD accelerators, code generation pipelines, internal platforms.
Full Project Delivery
End-to-end product development: discovery, architecture, implementation, testing, deployment and support.
Code Review & Refactoring
Deep code audit, performance improvements, modernization, bug fixing and technical debt cleanup.
CTO-as-a-Service
Technical leadership, architecture decisions, scaling strategy and guiding engineering teams.
Cloud & DevOps Automation
CI/CD pipelines, Dockerization, cloud deployments, monitoring, observability and performance tuning.
Why Clients Choose Corefang
Senior engineers only
10+ years experience. No juniors. No outsourcing roulette.
Delivery in days, not months
First results within 48–72 hours when needed.
Transparent communication
Clear updates, demos, predictable pricing.
We handle the hard parts
Complex, ambiguous engineering challenges are our specialty.
Case Studies
Selected Work & Success Stories
AI Coding Assistant for Enterprise
Stack: OpenAI · AI Agents · Java 21 · Spring Boot 3.3 · Angular
Improved development speed by 40% and reduced review cycles by 1.8×.
AI Automation for E-Commerce
Stack: OpenAI · REST APIs · RAG pipelines
Saved equivalent of $5,000/month by automating catalog & support workflows.
FinTech Backend Modernization
Stack: Spring Boot 3.3 · Postgres · Redis · Docker · Traefik
0-downtime migration, API speed +30–50%, stability ×3.
Full SaaS/MVP Development
Stack: Angular · Java 21 · Spring Boot · Postgres
Delivered MVP in 8 days; acquired first customers within one month.
Code Review & Refactoring
Stack: Java · JPA · Postgres · Profiling
Reduced TTFB from 900ms → 120ms and DB load by 40%.
AI-Based Product Matching
Stack: Embeddings · Vector Search · REST APIs
Achieved 92% matching accuracy for multi-marketplace catalogs.
Crypto Ops Automation System
Stack: Java · API Integration · Scheduling · Monitoring
Eliminated manual errors and increased throughput by 3×.
Inventory & Warehouse Toolkit
Stack: REST Integrations · SQL · Sheets API
Improved turnover and margins via automated assortment analytics.
AI-Enhanced Developer Tools
Stack: Java · Spring Boot · Angular · OpenAI · CI/CD
Saved engineers 1–2 hours/day via automation of PRs, logs, and code scaffolding.
Our Team
Luis — Principal Engineer & AI Architect
13+ years of engineering experience in Java, Spring Boot, Angular and AI systems. Specializes in AI agents, automation systems, scalable backend architecture and full-stack product delivery from zero to production. Luis leads technical vision and ensures exceptional engineering quality.
Oleg — Senior Full-Stack Engineer
Specializes in enterprise backend architecture, high-performance data flows, API integrations, cloud automation and scalable Angular applications. He focuses on clean architecture, reliability and delivery excellence.
Let's Build Something Great
Start with a free 15-minute consultation.
Email UsIf the button doesn’t work, email us directly at lirolaluis@corefang.com