
Conrado Buhrer
Verified Expert in Engineering
DevOps Engineer and Full-stack Developer
Florianópolis - State of Santa Catarina, Brazil
Toptal member since April 20, 2022
Conrado is an AWS-certified solutions architect professional, a DevOps engineer, and full-stack developer with over 20 years of experience. He is keen on Python and TypeScript and knows Linux inside and out. With a background in computer science and AI, he is well-versed in many AI concepts and algorithms. Conrado oversaw and managed large eCommerce websites running on thousands of nodes throughout his career, helped drive uptime to 99.9%, and built search engines and games.
Portfolio
Experience
- Linux - 20 years
- Amazon Web Services (AWS) - 14 years
- Artificial Intelligence (AI) - 12 years
- Terraform - 10 years
- Ansible - 7 years
- Elasticsearch - 7 years
- Machine Learning Operations (MLOps) - 4 years
Availability
Preferred Environment
Amazon Web Services (AWS), Ubuntu, Terraform, Ansible, Ansible Tower, Google Cloud Platform (GCP), Consul, Kubernetes, Bash Script, Nomad, Music, Remote Desktop, Helm, Google Workspace
The most amazing...
...thing I've seen was the three nines while getting one of the biggest eCommerce platforms hosted on AWS to 99.9% uptime. I still hope to see four nines.
Work Experience
Cloud Architect | MLOps
icekernel.com
- Provided infrastructure as code (IaC) solutions to multiple clients.
- Developed a time-tracking app with a team of six elements I hired and managed.
- Implemented the ETL pipeline for an evapotranspiration prediction and notification service in Australia.
- Created a new infrastructure to support an AI platform. This infra was container-setup for running scheduled jobs.
Senior Back-end Developer
Sentinel Labs Limited
- Functioned as the sole technical leader, serving as a cloud solution architect, software architect, product manager, lead developer, and DevOps engineer to drive two high-impact projects from concept to production.
- Architected and implemented a PCI card issuing service that seamlessly deducted crypto from users’ wallets during fiat transactions, ensuring robust financial integrations and enhanced user security.
- Engineered a scalable infrastructure that supported continuous integration and delivery through GitHub CI/CD, guaranteeing rapid and reliable updates.
- Designed a microservices-based architecture using NestJS and TypeScript, integrating Apache Kafka for inter-service communication to create a resilient, high-performance back-end system.
- Led the development of an API-as-a-service solution for the AI agents hosting platform, enabling secure, on-demand interactions with AI agents and supporting a crypto token launch ecosystem.
- Implemented a dynamic billing system within the AI platform, processing crypto charges per API call through a custom NestJS proxy service linked to a dedicated transaction processing system.
- Leveraged Hashistack tools—Consul, Nomad, and Vault—to ensure seamless service discovery, efficient workload management, and robust secrets management for the AI hosting platform.
- Developed an innovative provisioner AWS Lambda function that automatically managed client instances, optimizing resource allocation and operational efficiency in a serverless environment.
- Architected the interfacing between Web3 and non-Web3 components, designing secure and efficient integration points that allowed disparate systems to communicate seamlessly without direct management of the Web3 team.
- Enhanced my productivity and code quality by extensively leveraging AI-based development tools like GitHub Copilot, consistently delivering secure, scalable, and high-performance solutions under demanding deadlines.
Elasticsearch Consultation Expert
Dealermade LP
- Investigated and resolved performance issues related to an Elasticsearch cluster running inside Kubernetes hosted on AWS EKS.
- Redeployed Elasticsearch on Kubernetes on EKS using Terraform and Argo CD.
- Implemented a monitoring solution using Datadog for an Elasticsearch cluster running on Kubernetes.
Senior AWS Cloud Engineer
Pickups Inc.
- Promoted to engineering director. Put together the engineering organization's culture and workflow.
- Transformed a long-lived instance deployment setup into a CI/CD-enabled containerized platform that was fully built as IaC.
- Performed database maintenance from out-of-sync staging vs production schemas.
- Laid out a plan for paying out huge technical debt while still delivering new functionality.
- Guided five developers to become productive with inherited code bases on the following different technologies: two iOS native apps, two Android native apps, one Node.js back end, one Django back end, one Terraform IaC, and two React SPA portals.
DevOps Engineer
Hudl - Main
- Audited and improved existing data pipelines and their CI/CD.
- Designed and implemented an observability solution for a data engineering platform.
- Led a team of three developers in an internal hackathon.
Back-end and AWS DevOps Engineer
Patient App B.V.
- Identified all AWS resources under the organization's account that would require work to become HIPAA compliant.
- Implemented code changes in cloudformation templates and devised a plan for transitioning from Cloudformation to AWS CDK.
- Implemented MongoSQL monitoring and alerting through a Cloudwatch alarm.
AWS Data Manager
Paces AI Inc.
- Transformed an ETL processing pipeline into a distributed system.
- Delivered the ELT pipeline as ECS clusters created by terraform IaC.
- Refactored Terraform IaC into AWS CDK for final delivery as requested.
Senior AWS Cloud Engineer
Pickups Inc.
- Acted as the engineering director and helped transform the company entirely, by defining the company culture document for a remote workforce, pick tools and technologies to work with.
- Became the lead DevOps engineer and transitioned the company from a single instance with manual deployment to a fully IaC set up using a CI/CD pipeline running off of protected branches.
- Managed to bring overall changes with zero impact on production uptime while picking up a large B2B feature set that had been partially delivered. This was after careful inspection of database differences between production and staging schemas.
- Oversaw the successful migration of code changes from wildly divergent (hundreds of commits) branches in Kotlin, Swift, React, and Node.js code bases.
Site Reliability Engineer
Online Freelance Agency
- Created alerting systems based on metrics gathered throughout the platform.
- Coordinated team efforts on incident response, acting as the incident commander.
- Migrated services from the data center to the cloud.
Senior Software Engineer
Vesta Gaming
- Built and evaluated statistics bundles related to casino gambling games.
- Developed casino game UIs for slot machines using Flash.
- Integrated the software with the hardware to be set up at casinos.
Game Developer
Hoplon Infotainment
- Developed functions and procedures according to specifications.
- Documented legacy code and created plans for refactoring.
- Refactored legacy code into more modular and efficient code.
Freelance Software Developer
Burner IT
- Implemented OAuth-protected REST APIs for an online voting game.
- Applied a web front end using HTML, CSS, and the Django templating engine.
- Implemented a web back end using Django ORM for the front end.
Software Engineer
Text Kernel
- Developed the ETL pipeline for a vertical search engine related to the housing market.
- Handled software development targeting customer sentiment analysis.
- Researched open-source software regarding ETL pipelines.
Engineer
Quanza Engineering
- Developed high-availability Linux clusters with rack-mounted servers.
- Conducted load and stress tests on customer eCommerce websites.
- Installed server clusters on-premise and in data centers around Amsterdam.
Experience
Weather Station PWA
http://www.araras.tvKubernetes on EKS Setup with Terraform
https://github.com/conrado/terraform-eks-cluster-demo• Everything is created with Terraform
• Kubernetes on EKS using IRSA
• AWS-Load-Balancer-Controller ingress with TLS
• Route53 auto-configuration of domain names
• ACM auto-provisioned certificates
• Cloudfront CDN with some simple defaults
Full IaC Setup with CI/CD Pipeline for a Microservices Platform
Payment Card Processing API with Kubernetes CI/CD on GitHub
Education
Bachelor's Degree in Artificial Intelligence
University of Amsterdam - Amsterdam, The Netherlands
Bachelor's Degree in Computer Science
Webster University Leiden - Leiden, The Netherlands
Professional Diploma in Electrical Engineering
Fontys Technical School Venlo - Venlo, Limburg, The Netherlands
Certifications
AWS Certified Solutions Architect - Professional
Amazon Web Services
Skills
Libraries/APIs
Node.js, React, TensorFlow, Terragrunt, AWS Amplify, Flask API
Tools
Terraform, Ansible, AWS IAM, Amazon CloudFront CDN, AWS CloudFormation, ELK (Elastic Stack), AWS Fargate, Amazon Virtual Private Cloud (VPC), Amazon Elastic Container Service (ECS), Amazon Elastic Block Store (EBS), GitHub, Git, Amazon Elastic Container Registry (ECR), Logging, NGINX, Amazon CloudFront, AWS CloudTrail, Observability Tools, Ansible Tower, Rundeck, Amazon CloudWatch, Amazon EKS, Jenkins, Grafana, GitLab CI/CD, Confluence, Apache Airflow, Amazon Simple Queue Service (SQS), AWS CodeDeploy, VPN, Docker Compose, Chef, Flash, MongoDB Atlas, AWS Glue, Apache Maven, LaTeX, MATLAB, Apache Tomcat, Apache, AWS Step Functions, CircleCI, Helm, Amazon Simple Email Service (SES), Google Workspace, GitLab, Traefik
Languages
Python, Bash, Bash Script, JavaScript 6, TypeScript, JavaScript, CSS, HTML, SQL, ActionScript 3, C#, Regex, Java, PHP, Ruby
Paradigms
DevOps, Continuous Integration (CI), Continuous Delivery (CD), Automation, DevSecOps, Event-driven Architecture, Load Testing, Agile Project Management, API Observability, ETL, HIPAA Compliance
Platforms
Ubuntu, Linux, Amazon EC2, Amazon Web Services (AWS), Docker, Debian, AWS Cloud Computing Services, Google Cloud Platform (GCP), Kubernetes, AWS Lambda, Debian Linux, Firebase, Azure, AWS ALB, Eclipse, CentOS, Mobile, WordPress, Heroku, Linode, AWS Elastic Beanstalk
Storage
Elasticsearch, Amazon S3 (AWS S3), JSON, PostgreSQL, MongoDB, Amazon Aurora, NoSQL, Redis, Google Cloud, On-premise, MySQL, Amazon DynamoDB, Redshift, AWS Elastic File System, Datadog
Frameworks
Django, Next.js, Express.js, Unity, Angular, Ionic
Other
High Availability Disaster Recovery (HADR), AWS DevOps, Monitoring, CI/CD Pipelines, DevOps Engineer, GitHub Actions, Infrastructure as Code (IaC), AWS Cloud Architecture, Cloud, Containerization, Orchestration, Scripting Languages, DocumentDB, CORS, Music, Quality of Service (QoS), Data Visualization, AWS Certified Solution Architect, SecOps, Cloud Architecture, Scripting, Networking, Site Reliability Engineering (SRE), Debugging, Software Packaging, Data Feeds, Web Platforms, Cloud Migration, System Administration, Cloud Computing, Dependency Analysis, Serverless, VPC, Cloudflare, Time Series, Identity & Access Management (IAM), Release Management, Distributed Systems, Servers, Deployment, VPS, Elastic Load Balancers, AWS Secrets Manager, Network Engineering, Networks, Virtual Private Cloud (VPC), Full-stack Development, Platform Engineering, Code Deployment, Cloud Infrastructure, Disaster Recovery Plans (DRP), Decentralized Systems, Operational Control, Operational Excellence, Operational Readiness, Reliability, Reliability Engineering, Configuration Management, Clustering, Incident Management, Linux System Administration, Performance, Troubleshooting, Swaps, Artificial Intelligence (AI), Amazon Route 53, Amazon API Gateway, Architecture, Prometheus, Amazon RDS, Security, IT Security, Transport Layer Security (TLS), Gaming, Remote Desktop, Software Testing Lifecycle (STLC), Startups, Linux Kernel, SSH, AWS Auto Scaling, AWS CodePipeline, Single Sign-on (SSO), API Integration, Google Cloud Functions, Consul, Grafana 2, IT Consulting, Computer Science, Electrical Engineering, Microcontroller Programming, IP Networks, AWS Certificate Manager, Machine Learning, Nomad, Graphite, Collectd, Data Management, Lambda Functions, Web Crawlers, Search, ISO 27001, APIs, NAT, Amazon Redshift, Engineering, OpenTelemetry, Machine Learning Operations (MLOps), Email, Mail Servers, AWS VPN, Amazon MSK, Elastic Cloud on Kubernetes (ECK), AWS Cloud Security, Argo CD, Large Language Models (LLMs), OpenID Connect (OIDC), Multi-tenant
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