Technology leadership · Architecture · Applied AI

I lead technology without stepping away from the code.

São Paulo, Brazil · working remotely · technical leadership, solution architecture and applied engineering.

About me

10 years of engineering, 5 leading architecture and teams.

I'm Léu Almeida. Software engineering since 2016, technical leadership since 2021. At Hospital Israelita Albert Einstein I grew from developer to Tech Lead, Principal Engineer and Software Engineering Specialist, owning architecture, authentication, privacy and the development of technical leaders. Today I run Ansuz Software Lab, between high-complexity enterprise projects and my own products in operation.

10+ years of software engineering in production
5 years leading architecture and teams at Hospital Israelita Albert Einstein
9 in-house products, from product to infrastructure
16 cases across healthtech, govtech, AI, logistics and infrastructure

What I am hired for

Technology leadership

Engineering management, solution architecture and technical governance across multi-service ecosystems.

Applied AI

Claude, RAG, MCP and AI agents in production, with guardrails and auditing.

Legacy modernisation

Strangler and canary rollouts on platforms that keep serving while the new generation takes over.

Selected cases in healthtech, govtech and AI

View all projects

HEALTHTECH

End-to-end telemedicine platform

Registration, scheduling, prescription, notification and billing as independent services, with admin, back-office and B2B portals plus physician and patient apps. Eleven services in production.

NestJS Kong MongoDB React AWS EKS

GOVTECH

Government selection-process SaaS

The public body defines the form and criteria for each call and receives applications through the public channel, all the way to accountability reporting. 39k processes, 117k openings, a base of 2.1M candidates.

NestJS MongoDB Next.js GCP

HEALTHTECH · AI

AI clinical triage — Manchester protocol

A conversation with the patient applies the Manchester protocol adapted to telemedicine and classifies the case into four risk levels; severe cases reach the physician already prioritized.

TypeScript Fastify AWS Bedrock Claude/GPT

Two ways to read the work

View resume

Formal resume for an objective read.

Explore the village

Pixel-art village to see the work in context.

Village

What people usually ask

What time zone do you work in?

São Paulo, Brazil · GMT-3 timezone.

Who delivers the projects?

Enterprise projects and in-house products are delivered through Ansuz Software Lab.

Which languages do you work in?

Portuguese (native) · English (professional B2) · Spanish (basic)

Do you still teach?

Also: mentoring at 1000Devs | Talentos para o Bem (2 cohorts, 2023-2025), training new developers in partnership with Einstein.

My experience

From apprentice web designer in 2016 to technology leadership today — one step at a time.

Present

may 2025 – present

Technology Leadership · Solution Architecture · Software Engineering

Ansuz Software Lab · remote

Technical leadership and architecture on enterprise projects: a govtech platform with 2.1M candidates, cross-border telemedicine with eleven production services, and a multi-tenant voice-agent platform.
feb 2024 – may 2025

Software Engineering Specialist

Hospital Israelita Albert Einstein · São Paulo · hybrid

Technical reference for Access, Registration, Care Coordination and Virtual Reception, connecting engineering, product and business across critical patient journeys.
apr 2023 – feb 2024

Senior Fullstack Developer · Principal Engineer

Hospital Israelita Albert Einstein

Technical manager of the Tech Leads and engineers under his remit, driving architectural discussions, initiative prioritization and the growth of technical leadership.
jun 2022 – apr 2023

Senior Fullstack Developer · Tech Lead

Hospital Israelita Albert Einstein

Technical lead of the B2B platform: legacy APIs re-architected into microservices and interfaces migrated to microfrontends, steering the platform toward a SaaS product model.
jul 2021 – jun 2022

Fullstack Developer · Tech Lead

Hospital Israelita Albert Einstein

Technical management of virtual care and digital channel teams; microservices, microfrontends, AWS, Kafka, serverless and SQL/NoSQL databases.
jul 2016 – jul 2020

Web Designer → Front End Developer

Universidade Metodista de São Paulo · São Bernardo do Campo

Educational platforms (Plone, ReactJS, Node.js, React Native) and email/SMS campaign automation.

2016 · where it started