Sebastián Marconi

Key Initiatives as part of the Infrastructure Platform Team:

• GitOps Pipeline Implementation: Developed a robust GitOps pipeline enabling the self-service deployment of over 3,000 applications across 10+ Kubernetes clusters.
• Infrastructure as Code (IaC): Established IaC processes to facilitate self-service provisioning of AWS resources, enhancing efficiency and scalability.
• Software Catalog and Developer Portal: Implemented a comprehensive software catalog and developer… Mostrar más

Key Initiatives as part of the Infrastructure Platform Team:

• GitOps Pipeline Implementation: Developed a robust GitOps pipeline enabling the self-service deployment of over 3,000 applications across 10+ Kubernetes clusters.
• Infrastructure as Code (IaC): Established IaC processes to facilitate self-service provisioning of AWS resources, enhancing efficiency and scalability.
• Software Catalog and Developer Portal: Implemented a comprehensive software catalog and developer portal using Backstage, streamlining developer access to tools and documentation.
• Cost Attribution: Developed and deployed systems to attribute infrastructure costs accurately by product and team, ensuring transparent and able budgeting.
• Reliability Enhancements: Executed numerous reliability improvements, including integrating OWASP security standards for Kubernetes, to fortify system robustness and security. Mostrar menos

• Creation of multi-regional blockchain Staking Infrastructure, including Ethereum, Matic, and Harmony validators
• Management of Kubernetes clusters in a multi-cloud environment (AWS EKS and G GKE) using Terraform, including DNS/domain management, Load Balancing, CI solutions (Github Actions and CircleCI), Gitops Flux, and Vault.
• Development of a complete observability stack using Prometheus, AlertManager, Thanos, Loki, and Grafana.
• Implementation of OpenTelemetry stack… Mostrar más

• Creation of multi-regional blockchain Staking Infrastructure, including Ethereum, Matic, and Harmony validators
• Management of Kubernetes clusters in a multi-cloud environment (AWS EKS and G GKE) using Terraform, including DNS/domain management, Load Balancing, CI solutions (Github Actions and CircleCI), Gitops Flux, and Vault.
• Development of a complete observability stack using Prometheus, AlertManager, Thanos, Loki, and Grafana.
• Implementation of OpenTelemetry stack, Prometheus exporters and gRPC interfaces on Typescript (Nest.js) applications.
• Creation of small Golang applications like gRPC clients and node exporters.
• On-call rotation using PagerDuty. Mostrar menos

• Setup of CI/CD Pipelines using Github Actions
• Building application infrastructure using AWS cloud services: EKS+RDS, automated with Terraform and Helm Charts. SOC2 compliance.
• Refactoring a legacy NodeJS application into a Nestjs app with TypeORM, Graphql, and Next.js frontend.

DevOps Role:
• Design and develop a blockchain hosting provider infrastructure integrating AWS EKS, Terraform, Ansible, Prometheus, Grafana, Elasticsearch, and NGINX instances.
• Setup and istration of blockchain nodes, including Geth, Bitcoincore, EOS, Stellar, Cardano, Binance Chain, and more than ten other node types. Including performance and cost measurement and tuning.
• Creation of CI/CD pipelines using CircleCi and Github actions, integrating with monitoring and alarm… Mostrar más

DevOps Role:
• Design and develop a blockchain hosting provider infrastructure integrating AWS EKS, Terraform, Ansible, Prometheus, Grafana, Elasticsearch, and NGINX instances.
• Setup and istration of blockchain nodes, including Geth, Bitcoincore, EOS, Stellar, Cardano, Binance Chain, and more than ten other node types. Including performance and cost measurement and tuning.
• Creation of CI/CD pipelines using CircleCi and Github actions, integrating with monitoring and alarm tools.
• Monitoring setup with Grafana and Prometheus instances. Develop own customs exporters using Golang and Typescript. Creation of Grafana dashboards and alerts based on gathered metrics.
• Kubernetes setup using AWS EKS and G. Release management using Helm.
• Adding infrastructure automation to a legacy application, managing a daily volume of more than 5,000 ETH.

Developer Role:
• Design and implementation of frontend dApps and monitoring tools consuming ethereum smart contracts (Web3 and Ethers.js)
• Design and implement transactional applications using Typescript (Nest.js), TypeORM, Graphql, Websockets, and React.
• Creation of ETL pipeline processing more than 10 million daily rows, integrating ElasticSearch instances with G BigQuery.
• Leading development and operations processes inside teams. Mostrar menos

DevOps role:
• Delivering a full-featured SAML SSO solution, providing authentication and provisioning, using PingFederate.
• Adding 12-factor and dockerizing our apps, deploying to AWS EC2 and G Kubernetes, using TravisCI and Jenkins jobs for automation.
• Automating the building process and adding auto-update features to an existing macOS application.

Developer role:
• Creating and deploying a cross-platform mobile application using React-Native (iOS and… Mostrar más

DevOps role:
• Delivering a full-featured SAML SSO solution, providing authentication and provisioning, using PingFederate.
• Adding 12-factor and dockerizing our apps, deploying to AWS EC2 and G Kubernetes, using TravisCI and Jenkins jobs for automation.
• Automating the building process and adding auto-update features to an existing macOS application.

Developer role:
• Creating and deploying a cross-platform mobile application using React-Native (iOS and Android). Also maintaining previous iOS Objective-C app.
• Integrating different WebRTC cross-browser vendors with existing video recording and features.
• Improving a web and desktop application using mainly Angular.js, Node.js, and MongoDB.
• Maintaining an existing C++ NACL plugin, fixing bugs, and providing minor new features using media FFmpeg API.
• Analyzing and creating prototypes, helping to define the Architecture of new solutions.
• Organizing and writing tech documentation around these topics.
• Actively participating in Scrum team-building activities. Mostrar menos

Developing a Billing System for the Virtual Campus, using LAPP stack.

Developing an Enterprise Software for the Nicaragua Goverment using LAMP stack. Integrating with SQL Server, Data Warehouse and BI solution (IdeaSoft). Training Nicaragua engineers to maintain the platform.

The project was called "Proyecto de Modernización y Acreditación de la Educación Terciaria en la República de Nicaragua" and was released in the Public Education System of Nicaragua.