Alexandre Melo Ferreira

Experience

• 

  HDI Insurance

  Mar 2013 - Jan 2017

  Coding and maintaining systems (Callcenter, Internal Support Ticket System, Homepage, Intranet) for the Insurance market.Main responsibilities: Make new projects specifications and scopes. Analyze incoming clients needs and systems improvements, elaborating a document contemplating the solution risks and impacts, developing the solution and deploying it. Maitaning a SQL Server to Progress database script to maintain both Databases synced through ODBC and Microsoft Integration Services.Technologies: PHP 5.6, Codeigniter, MVC, HTML, CSS, Javascript, jQuery,Progress, MySQL, Git, WSDL, SOA, SQL Server Show less

  • Programmer

    Aug 2015 - Jan 2017

  • IT Intern

    Mar 2015 - Jul 2015

  • IT Apprentice

    Mar 2013 - Mar 2015
• 

  FTD Educação

  Feb 2017 - May 2018

  PHP Developer

  Coding and maintaining a Content & Learning Platform.Main Responsabilities: Develop REST APIs with Laravel using TDD (functional and unit), automating bug report and versioning with Sentry, Develop and iterate on a mass data insert API using Jobs and Queues.Technologies: PHP 7, PHP 5, Laravel 4 and 5, TDD, PHPUnit, Angular, Angular JS, Typescript, Bash, Vagrant, VirtualBox

• 

  Leroy Merlin

  May 2018 - Dec 2021

  As a SRE I have focus on Observability, creating a monitoring culture using Service Levels (SLI and SLO), alerting and dashboards. My most recent project is a Bootcamp for each development team explaining some concepts of Service Levels and how to monitor and alert on the services that may impact their work and/or our customer.E-commerce app CI/CD pipeline Maintenence (Legacy: Jenkins | New: GitHub Actions), instrumentation for tracing the application (PHP 7.x, ELK, Redis, Queues) and its infrastructure using Datadog and somewhat of OpenTracing. Show less Develop new features within the E-commerce inside the New Projects team.Main responsibilities:- Develop new Checkout features for our end-users as well as integrations for our internal teams- Engage in technical plannings with other development teams- Being close with our Front-End developers to facilitate the development of new features- Constantly review other Pull Requests- Consolidate and write weekly updates about our platform to the internal users of the E-commerce platformTechnologies:- PHP7, Laravel, Testing (Unit, Integration and Acceptance tests), BDD (for writing test scenarios to be developed in Laravel Dusk), Docker (for local development), AWS, Jenkins, Git/ Show less

  • Site Reliability Engineer

    Jan 2021 - Dec 2021

  • Web Developer Analyst

    May 2018 - Jan 2021
• 

  Idwall

  Dec 2021 - Mar 2024

  Site Reliability Engineer

  Experienced DevOps Engineer adept at managing cloud architecture and implementing cutting-edge solutions for microservices applications. Skilled in Kubernetes, Serverless, and Infrastructure as Code (IaC) using Terraform on Google Cloud Platform (GCP).Key Achievements:Architected Serverless solutions, resulting in a 70% reduction in resource usage and enabling seamless scalability for the SDK team.Automated quality reviews of application manifests using Conftest, streamlining processes and automating 40+ weekly merge requests.Implemented autoscaling for Worker-type applications, leveraging Keda and resource optimizations, reducing manual updates and enhancing queue processing.Successfully migrated a 2TB+ RDS (AWS) to CloudSQL (GCP), achieving a 65% reduction in monthly costs and a 30% increase in application performance.Pioneered the creation of Chartlibs for applications, reducing template redundancy by 90% and consolidating into two versioned repositories using Semantic Versioning.Responsibilities:Cloud architecture management on GCP, utilizing Kubernetes (GKE) and Serverless for microservices applications.Configuration and optimization of monitoring architecture (Datadog, Prometheus, Grafana legacy), providing consulting on best practices for Platform services.Oversight of Helm Chart pipelines, ensuring efficient application delivery through GitOps with ArgoCD.Regular participation in on-call rotations for incident resolution outside of business hours.Providing support to other teams through a dedicated support rotation. Show less

• 

  DLocal

  Mar 2024 - Feb 2025

  Site Reliability Engineer

  Enabled engineering and DevOps teams to observe and monitor applications and the observability stack, focusing on end-to-end visibility and reliability.Implemented and maintain OpenTelemetry pipelines on Kubernetes (EKS) using otel-contrib, integrating native OpenTelemetry receivers and Prometheus metrics, and utilizing the otel target allocator for core-component metric collection.Designed dashboards tailored for engineering teams, optimizing metric ingestion by reducing non-essential data. Built an IaC-based alerting and on-call framework, empowering teams with proactive monitoring and efficient response capabilities. Show less

• 

  Grafana Labs

  Feb 2025 - now

  Observability Architect