Rafael Kravchychyn
Rafael Kravchychyn

Senior Data Engineer

Actively looking · Member since 23 Sep 2026
Location
Joinville, Brazil
Desired salary
60k–100k USD/yearly
Work preference
Remote Only / Full Time, Part Time, Freelance, Volunteer, Internship, Temporary
Experience level
Senior

About

Professional summary

I am a Senior Data Engineer specializing in large-scale telemetry analytics, cloud data pipelines, and high-performance data processing. I currently support BMW Group through ACT Digital, where I analyze global vehicle test-fleet data and turn complex signals into actionable engineering insights.

I build optimized Python-based analytics solutions using Polars and PySpark, with experience processing vehicle network data including CAN, DLT, Ethernet, and SOME/IP. My work focuses on scalable ingestion, transformation, analysis, and visualization of telemetry data.

I have hands-on cloud analytics experience with AWS services including Glue, Athena, S3, and QuickSight. I also develop interactive, AI-enabled data products and use agentic AI, MCP, and Copilot-based workflows to improve internal processes and stakeholder access to data.

I place strong emphasis on software quality, maintainability, and automation. I administer GitHub repositories, establish version-control practices, and implement CI/CD and code-quality workflows using GitHub Actions, Jenkins, SonarQube, GitLab, and Docker.

My background combines data engineering with embedded systems, IoT, firmware, hardware development, and smart-city mesh networks. This gives me a practical understanding of how physical systems generate data and how to reliably process it at scale.

I am also an active maker with experience in custom UAVs, IoT projects, PCB design, 3D design, and 3D printing. I enjoy solving cross-disciplinary problems spanning hardware, embedded software, cloud platforms, and analytics.

Skills

29 capabilities

Tech stack & tools

Working toolkit

Analytics

Application Hosting

Data Stores

Languages & Frameworks

Experience

Career history

Senior Data & Analytics Engineer @ BMW Group ACT Digital

I serve as the senior data analyst in a five-person cross-functional team supporting BMW Group's global test-fleet telemetry analytics. I partner with the Munich engineering hub and use BMW's BRITNEY deployment ecosystem to deploy and scale analysis workloads for worldwide vehicle datasets.

I optimize Python and Polars analysis code, establish code-quality standards with SonarQube, and build AI-enabled data products. I create interactive AWS Quicksuite chat interfaces for telemetry queries and visualizations, develop agentic AI solutions using MCP and Copilot, and automate agile and GitHub maintenance workflows.

Data & Analytics Engineer @ BMW Group ACT Digital

I developed and deployed data collection and analysis pipelines for BMW prototype-fleet telemetry, processing CAN, Ethernet, and DLT traces to support vehicle-function validation and engineering decision-making. I created Python, Spark, and Polars solutions for ingesting, transforming, and analyzing real-time vehicle data.

I built AWS-based analytics pipelines with Glue, Athena, and S3, and developed QuickSight dashboards for engineering KPIs. I also administered GitHub repositories, implemented CI/CD and code-quality practices, collaborated with engineering teams on data requirements, and conducted root-cause analysis for functions such as rearview imaging latency.

Volunteer Firefighter BMW Group

I volunteer as a firefighter in Araquari, Santa Catarina, supporting community emergency-response activities.

This role reflects my commitment to public service, teamwork, operational readiness, and safety.

Firmware & Test Automation Engineer SmartGreen Tecnologia S.A.

I developed and maintained embedded firmware for IoT modules, focusing on reliable hardware performance and production stability. I worked closely with factory operations to support dependable device deployment and maintenance.

I engineered Apollo, an internal software suite used by factory technicians to automate firmware flashing, reflashing, and comprehensive bench testing. The solution improved maintenance workflows and strengthened production-line quality assurance.

Hardware Developer SmartGreen Tecnologia S.A.

I designed and simulated PCB architectures using Altium and managed the prototyping lifecycle, including bill of materials preparation and coordination with PCB manufacturers. I also created hardware test jigs and automated firmware-flashing processes for production quality control.

I developed Python GUIs to improve manufacturing testing, diagnostics, and operational workflows. I also maintained version control and CI pipelines with GitLab to support consistent software delivery to edge devices.

Embedded Linux Developer SmartGreen Tecnologia S.A.

I engineered Embedded Linux systems for smart-city infrastructure, supporting stable telemetry transmission across complex MQTT mesh networks. I built edge software designed for reliable field operation and remote deployment.

I used Docker to containerize edge applications and enable dependable remote updates. I also designed and tested PCB hardware with Altium, integrated GPS modules and sensors, and implemented GitLab CI/CD pipelines for hardware testing and source control.

Operational Intelligence Technician SmartGreen Tecnologia S.A.

I performed data analysis for IoT smart-city deployments, using the Elastic Stack, Kibana, and Grafana to monitor field hardware performance in real time. I transformed sensor and mesh-network telemetry into actionable KPIs and dashboards.

I supported product improvement and comparative project analysis by communicating operational insights to stakeholders. I also acted as a technical bridge for field deployments and helped ensure mesh-network hardware operated reliably.

Intern SmartGreen Tecnologia S.A.

I developed internal automation scripts and applications in C and Python to reduce repetitive work and improve remote management of smart-city mesh networks. I gained foundational experience in software development, IoT operations, and technical troubleshooting.

I built monitoring dashboards with Grafana, Kibana, Power BI, and Excel for operations and planning teams. I also assisted with the physical deployment, implementation, and maintenance of IoT hardware in the field.

Education

Learning history

MBA USP/Esalq

Master of Business Administration (MBA), Computer Software Engineering

Postgraduate lato sensu MBA program in Computer Software Engineering.

Universidade Positivo

Bachelor's Degree, Energy Engineering

Bachelor's degree in Energy Engineering.

Universidade Federal de Santa Catarina

Bachelor's Degree, Aerospace, Aeronautical and Astronautical/Space Engineering

Bachelor's degree studies in Aerospace, Aeronautical and Astronautical/Space Engineering.

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