Data Platform Engineer, DevOps - Independent Contractor (Analytical Platform Rework on ClickHouse Cloud)
Duration: May 2026 - Present
Summary:
- Reworked the analytical platform around ClickHouse Cloud on AWS, enhancing infrastructure and change data capture components while optimizing for multi-tenant workloads
- ClickHouse Cloud is a managed cloud data warehouse service designed for real-time analytics with high performance and scalability
Responsibilities:
- Contributed to infrastructure and CDC components of the platform.
- Tuned platform for multi-tenant workloads to improve query performance and reduce costs.
- Built observability and reliability controls using CloudWatch and OpenTelemetry for production workloads, SLAs, SLOs, and critical alerts.
- Developed AWS infrastructure for isolated environments including VPC networking, IAM, load balancing, masked production-data environments, and database-level tenant isolation.
- Established GitOps-based platform delivery with versioned infrastructure and schema changes, pull-request validation, CI/CD, and automated deployments.
Technologies: ClickHouse Cloud, AWS, CloudWatch, OpenTelemetry, VPC, IAM, GitOps, CI/CD
Data Platform Engineer, DevOps - XP Inc. (Spark Ingestion Framework Optimization and Platform Tooling)
Duration: May 2025 - May 2026
Summary:
- Optimized an organization-wide Spark ingestion framework with automatic source profiling to tune partitioning and cluster configurations, reducing infrastructure costs significantly
- XP Inc
- is a leading Brazilian investment platform offering financial services and products
Responsibilities:
- Optimized Spark ingestion framework with automatic source profiling.
- Built internal SDKs and custom Airflow operators used by over 100 engineers.
- Evolved CI/CD on Databricks Asset Bundles with change management, automated testing, and cost allocation.
- Supported Airflow 3 migration with Astronomer through VNet peering and Kubernetes on AKS, maintaining 99.9% availability.
- Contributed to enterprise migration from Hive Metastore to Unity Catalog.
Technologies: Apache Spark, Databricks, Apache Airflow, Astronomer, Kubernetes, AKS, Unity Catalog
DevOps, Data Platform Engineer - Sacflow (AWS Infrastructure Migration and Event-Driven Architecture Expansion)
Duration: February 2024 - May 2025
Summary:
- Migrated Sacflow's core platform infrastructure to AWS using Terraform, establishing isolated environments and controlled infrastructure changes
- Expanded event-driven architecture to support real-time product workloads and operational reporting
Responsibilities:
- Migrated platform infrastructure to AWS with Terraform including VPC networking, IAM, load balancing, and ECS on Fargate.
- Established isolated environments, remote state with locking, controlled infrastructure changes, and plan-gated pull requests.
- Built CI/CD pipelines with GitHub Actions, automated test gates, ECR image versioning, and blue/green deployments on ECS.
- Automated staging and sandbox environments with cross-environment data replication for release validation.
- Expanded event-driven architecture using Kinesis, Lambda, and SQS for real-time workloads and reporting.
Technologies: AWS, Terraform, VPC, IAM, ECS, Fargate, GitHub Actions, Kinesis, Lambda, SQS
Software Engineer - Sacflow (Real-Time Messaging and Search Platform Enhancements)
Duration: February 2023 - January 2024
Summary:
- Improved Sacflow's real-time messaging platform by optimizing WebSocket traffic and implementing full-text search and SLA event processing
- Sacflow is a technology company focused on data-driven product solutions
Responsibilities:
- Reduced WebSocket traffic by replacing broadcast-and-filter with DynamoDB-based connection routing.
- Built real-time full-text search using Typesense across hundreds of millions of messages.
- Developed SLA event processing for response and resolution metrics and real-time messaging performance metrics.
- Redesigned media caching strategy to reduce S3 storage costs.
Technologies: WebSocket, DynamoDB, Typesense, S3