We Build AI That Works.
From concept to deployment — Nesteia designs and ships intelligent systems that give your business an unfair advantage.
What We Build
Six core capabilities that deliver measurable business value
Custom AI Agents
Autonomous agents that execute complex workflows end-to-end
Multi-Agent Systems
Orchestrated AI pipelines where specialized agents collaborate
Document Intelligence
Extract, classify, and act on unstructured data at scale
Conversational AI
Context-aware assistants trained on your business knowledge
AI Integration & APIs
Connect LLMs to your existing stack via robust, secure APIs
AI Audit & Strategy
Identify where AI creates the most leverage in your business
Why Nesteia
What sets us apart in the crowded AI space
Years of software engineering experience
Projects delivered with production-grade AI
Average efficiency gain reported by clients
Users impacted through deployed solutions
Fast Execution
From kickoff to working prototype in days, not months.
Deep AI Expertise
PhD-level understanding of the full AI stack, from embeddings to agentic orchestration.
Cross-Industry Track Record
Healthcare, fintech, legal, SaaS — we've shipped AI across verticals.
Our Work
Proven track record of shipping AI that scales
BriefBot
AI-Powered German Letter Analysis
Serving millions of expats navigating German bureaucracy with plain-language explanations, deadline detection, multi-language support, risk scoring, and calendar export capabilities.
Key Features:
- Plain-language explanations
- Deadline detection
- Multi-language support
- Risk scoring
- Calendar export
Tech Stack:
Letters Analyzed
Languages
Pre-Seed Funded
Meet the Founder
Dr. Gabriel Almeida
PhD in Computer Science · 20+ Years in Software Engineering
Founder of Nesteia. Gabriel has spent two decades building production software across healthcare, fintech, legal tech, and SaaS — and has spent the last several years at the intersection of AI research and applied engineering.
He founded Nesteia to close the gap between what AI can do and what most businesses are actually shipping.
Expertise:
How We Work
Our proven 5-step process from kickoff to scaling
Discovery
Understand your use case, data, and constraints (1–2 days)
Architecture
Design the agent/system blueprint and tech stack
Build
Iterative sprints with working demos every 3–5 days
Deploy
Production-ready, monitored, documented
Evolve
Ongoing optimization as your AI learns and scales
Discovery
Understand your use case, data, and constraints (1–2 days)
Architecture
Design the agent/system blueprint and tech stack
Build
Iterative sprints with working demos every 3–5 days
Deploy
Production-ready, monitored, documented
Evolve
Ongoing optimization as your AI learns and scales
Our Tech Stack
We use the best tools. We know when to use which.
Have an AI project in mind?
Most clients go from first conversation to working prototype in under 2 weeks.