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§ 00 — Index

Mário Alves
da Costa

Fig 0. Designation

Senior Backend Engineer & AI Consultant

I help businesses integrate AI into their products and operations — built on a decade of distributed systems and backend engineering across fintech, healthtech, and data platforms.

Fig 1.A — Operational Stack
BackendGo, Python, Node.js
FrontendTypeScript, React, Next.js
DataPostgreSQL, MongoDB, Snowflake
MessagingKafka, Redis, Pub/Sub, SQS
InfraKubernetes, Docker, Terraform
CloudGCP, AWS
AI IntegrationLLMs, APIs, AI-native backends
Fig 1.B — Operating Envelope
FocusDistributed backends + AI infra
Time ZoneUTC+0 ±3h
Lead-timeImmediate
TOL ±0.001
§ 00.A — Capabilities

Things I build, end to end.

01module

AI Integration & Automation

LLM APIs, AI-powered workflows, and intelligent automations. From prototype to production-ready features your team can maintain.

02module

AI-Native Infrastructure

The backends, APIs, data pipelines, and vector stores that make AI products work at scale — not just prompts, but the systems around them.

03module

Backend & Distributed Systems

Event-driven microservices, ETL pipelines, and API platforms. Built for reliability, scale, and multi-team use.

§ 00.B — Engage

Open for select engagements.
Lead-time: immediate.

One channel, one reply — typically within 48 hours.