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I'm Alexandre Ferreira, a Computer Engineer with 22+ years of experience designing and shipping production-grade backend systems, data pipelines, and AI infrastructure. I specialise in high-throughput APIs, ETL/ELT architectures, and RAG pipelines — delivering at scale for startups and enterprises across the US, UK, and EU. I'm a full-stack engineer with system-level thinking, spanning service architecture, data modeling, LLM integration, and observability, always focused on building resilient, scalable platforms.…I'm Alexandre Ferreira, a Computer Engineer with 22+ years of experience designing and shipping production-grade backend systems, data pipelines, and AI infrastructure. I specialise in high-throughput APIs, ETL/ELT architectures, and RAG pipelines — delivering at scale for startups and enterprises across the US, UK, and EU. I'm a full-stack engineer with system-level thinking, spanning service architecture, data modeling, LLM integration, and observability, always focused on building resilient, scalable platforms.

Alexandre Ferreira

Web Developer, AI Engineer, Back-End Developer, +3

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I'm Alexandre Ferreira, a Computer Engineer with 22+ years of experience designing and shipping production-grade backend systems, data pipelines, and AI infrastructure. I specialise in high-throughput APIs, ETL/ELT architectures, and RAG pipelines — delivering at scale for startups and enterprises across the US, UK, and EU. I'm a full-stack engineer with system-level thinking, spanning service architecture, data modeling, LLM integration, and observability, always focused on building resilient, scalable platforms.…I'm Alexandre Ferreira, a Computer Engineer with 22+ years of experience designing and shipping production-grade backend systems, data pipelines, and AI infrastructure. I specialise in high-throughput APIs, ETL/ELT architectures, and RAG pipelines — delivering at scale for startups and enterprises across the US, UK, and EU. I'm a full-stack engineer with system-level thinking, spanning service architecture, data modeling, LLM integration, and observability, always focused on building resilient, scalable platforms.

Available to hire

I’m Alexandre Ferreira, a Computer Engineer with 22+ years of experience designing and shipping production-grade backend systems, data pipelines, and AI infrastructure. I specialise in high-throughput APIs, ETL/ELT architectures, and RAG pipelines — delivering at scale for startups and enterprises across the US, UK, and EU.

I’m a full-stack engineer with system-level thinking, spanning service architecture, data modeling, LLM integration, and observability, always focused on building resilient, scalable platforms.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Portuguese

Fluent

English

Advanced

Work Experience

Python Developer at Zyte

October 1, 2025 - Present

Own end-to-end maintenance of high-priority scraping projects for enterprise tech clients — sole developer accountable for uptime, data quality, and incident response; proactively refactor spider selectors and crawling logic in response to site changes; contributed patches to Scrapy.

Founder & Principal Consultant at GrindLabs Consulting

October 1, 2025 - Present

Founded and lead an independent consultancy delivering Data Engineering, Backend Architecture, and Applied AI solutions for SaaS and B2B clients — managing end-to-end engagements from scoping through production deployment; design and deliver high-performance ETL/ELT pipelines and AI infrastructure including RAG pipelines.

Backend Engineer at Applied Computing

April 1, 2025 - October 31, 2025

Developed backend features and an event-driven RAG ingestion pipeline for Orbital Chat using Python and RabbitMQ; architected a full observability stack with OpenTelemetry, AWS X-Ray, and DataDog; integrated MinIO for local file storage; supported cross-stack frontend and AI agent work.

Data Engineer at Applied Computing

January 1, 2025 - April 30, 2025

Designed end-to-end data architecture to extract, process, and store large volumes of Oil & Gas domain data to support AI model training; built ingestion pipeline with Python, Scrapy, Scrapyd, and RabbitMQ; loaded structured output into an S3-based Data Lake; monitored with Prometheus and Grafana.

Anti-bot Engineer at Zyte

March 1, 2024 - January 31, 2025

Analyzed security boundaries of target websites and mobile applications to map anti-bot mechanisms and develop effective bypass strategies; applied Red Team techniques to bypass WAFs, browser fingerprinting, TLS fingerprinting, and behavioral detection to sustain data delivery SLAs.

Python Developer at Zyte

March 1, 2022 - February 29, 2024

Implemented new scraping projects from scratch across various websites and data structures with robust, maintainable spiders; contributed to the company's open-source scraping libraries and tooling on GitHub.

Senior Python Developer at Talentfy.io

August 1, 2021 - March 31, 2022

Architected a distributed scraping service on Scrapy using Event-Driven Architecture powered by RabbitMQ and orchestrated with Kubernetes — replacing a centralized legacy system and cutting large-scale extraction job times dramatically; led architecture discussions, sprint planning, and code reviews.

Tech Lead at GeoRanker

April 1, 2017 - August 31, 2021

Led a squad delivering high-volume APIs processing 10M+ requests daily; designed and implemented web crawlers using Scrapy and headless browsers; owned CI/CD, code reviews, sprint planning, and git standards; established PoC validation practices to de-risk decisions.

Full Stack Developer at CryptoCoin.Pro

January 1, 2018 - December 31, 2019

Designed and maintained microservices, REST APIs, and data layers across MongoDB and MySQL in Python, PHP, Go, and Node.js.

System Analyst at Easy Communication & Technology

January 1, 2017 - December 31, 2017

Maintained and extended a critical healthcare application using C#, ASP.NET MVC/Core, Entity Framework, and Angular.

Masters Research Fellow at UFBA

January 1, 2015 - December 31, 2016

Designed disaster simulation environments and implemented autonomous UAV control systems using ROS and C++.

Consultant / Founder & Principal Consultant at GrindLabs

October 1, 2025 - Present

Founded and lead an independent consultancy delivering Data Engineering, Backend Architecture, and Applied AI solutions for SaaS and B2B tech clients — managing end-to-end engagements from scoping through production deployment. Design and deliver high-performance ETL/ELT pipelines supporting enterprise-scale Data Warehouses and Data Lakes; architect and implement RAG pipelines and end-to-end AI infrastructure.

Masters Research Fellow at UFBA (Universidade Federal da Bahia)

January 1, 2015 - January 1, 2016

Designed disaster simulation environments and implemented autonomous UAV control systems using ROS and C++.