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Rafael Caillava Krapf

@rafaelcaillavakrapf

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Experienced hardware and software engineer optimizing complex systems.

United Kingdom

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What I'm looking for

I am looking for a role that fosters innovation and collaboration, with opportunities for growth and impactful projects.

I am a dedicated hardware, software, and systems engineer with extensive experience in optimizing complex systems to enhance performance and reliability. My background includes significant achievements such as optimizing cryptography algorithms by over 400% and improving meter reading algorithms by eight times. I have a proven track record in implementing complex communication protocols, including transport layer, encapsulation, and routing, which have been critical in various projects.

Throughout my career, I have developed innovative solutions for electronic energy meters and avionics systems, focusing on efficiency and accuracy. My work on a communication protocol for powerline communication showcased my ability to tackle challenges in noisy environments, ensuring reliable data transmission. I thrive in collaborative environments and am passionate about leveraging my skills to contribute to cutting-edge projects that push the boundaries of technology.

Experience

Work history, roles, and key accomplishments

Current

Aerospace Systems Engineer

Current

Alten Ltd UK

Jul 2019 - Present (5 years 10 months)

Developed systems for Pearl10X, Pearl15, and Trent XWB engines in engineering services to Rolls-Royce. Managed the complete system developed for Pearl10X, including integration, design, and verification, and improved maintenance systems for Pearl15.

PTC Integrity Rolls Royce System Verification Rigs System Integration Design

Aerospace Systems Engineer

AEL Systems

Aug 2012 - May 2019 (6 years 9 months)

Developed avionics systems for EMB-110 and KC-390 aircrafts, including the cryptographed communication link used by all Brazilian armed forces. Supported flight tests, aircraft modernization, and system tests for the modernization of 50 EMB-110, and developed the entire general services subsystem for Embraer KC-390 aircraft.

Exalt Agile Kanban Avionics System Development Cryptography Flight Test Support

Project Manager

ELO Electronics Systems

Dec 2010 - Jul 2012 (1 year 7 months)

Managed hardware, software, and system projects in the development of new energy meter products, delivering them ahead of time. Reduced production time and costs by increasing automation and designed a new development framework to accelerate product development.

ISO 9001 Project Management Hardware Development Software Development Automation

Software Engineer

ELO Electronics Systems

Jan 2004 - Dec 2009 (5 years 11 months)

Delivered software for reliable systems under a strictly regulated industry, including new energy measurement algorithms and communication solutions for low-quality channels with cryptography and error correction. Developed innovative ways to enhance product lifespan by accurately managing circular buffers and reduced final product costs by optimizing microcontroller processing power and memory si

Keil C++Assembly MSP430 PIC16F84 80C186 ASICS IAR Embedded Workbench KEIL Cryptography

Hardware Engineer

ELO Electronics Systems

Dec 2002 - Dec 2003 (1 year)

Developed hardware for energy meter systems, delivering new platforms for low-cost, high-reliability, and long-lifetime products. Designed systems robust to harsh EMI environments, ready for testability in manufacture, and incorporating automation features.

Altium EMC Laboratory Test BOM Reporting EMI Robustness Automation

Education

Degrees, certifications, and relevant coursework

Universidade Federal do Rio Grande do Sul (UFRGS)

MSc Computer Science, Microelectronics

Grade: distinction

Activities and societies: Work: Efficient Signal Processing in Embedded Java Systems

Developed a complete microcontroller in VHDL, introducing hardware structures and special opcodes based on software needs. Focused on signal processing functionalities within embedded Java systems.

Universidade Federal de Santa Maria (UFSM)

BSc Electrical Engineering, Electronics

Grade: merit

Activities and societies: Projects: Electronic energy meters, Mesh network of energy meters, Efficient electronic energy meter algorithm, Innovative software to an oscillator hardware problem, Protocol for factory adjustment of electronic energy meters, Communication protocol for unreliable communication medium (powerline communication)

Developed embedded software for electronic energy meters and a proof-of-concept mesh network for long-distance communication. Created innovative phase delay compensation for current transformers and a software solution for an oscillator hardware problem.