• Head of technology responsible for applied processes, conventions and methodologies as well as tools for bothsoftware development and quality assurance.• Team leader and scrum master in the international team (different time zones);• Back-end developer of RESTful microservices in C and Go.Professional proficiency demonstrated• Starting products from scratch including automated processes and testing on AWS cloud resources;• Planning releases and converting business requirements into goals and tasks for team members;• Agile management skills (Scrum, Kanban and Lean);• Effective problem solving in different time zones.Key accomplishments• Introduced project management processes based on automated workflows: quality assurance, continuousintegration, continuous delivery and continuous deployment;• Integrated existing AWS cloud solutions like EC2, DynamoDB, ECR, Lambda, Cognito, SQS, SNS, SES, ... intodeveloped product and everyday workspace;• Introduced virtualization (QEMU, VirtualBox) and containerization (Docker, Docker Compose) techniques forsimple proof-of-concepts and mocked infrastructure.

• Creating and developing automated project management processes to obtain effective continuous integration, delivery and deployment mechanisms for secure and effective team collaboration based on Github and AWS;• Creating base of operating system and development environment for team of embedded developers;• Porting real-time operating system to new architectures of ARM family processors (Cortex M4, M7 and A9).Professional proficiency demonstrated• Ability to cross-compile real-time operating system based on FreeRTOS. Fluency in code refactoring and reusing existing code of open source projects;• Precision, scrupulosity and patience. Ability to start new IT projects from scratch and experience in preparing collaboration environment for the small team;• Analytical and visionary approach to complex electronic devices design.Key accomplishments• Designed and composed dedicated Arch Linux based LiveCD distribution to guarantee working build, test and development environment. Solved incompatibility problems and avoided unexpected issues, which can lead to unwanted project delays;• Reused existing open source project in real-life scenario to reduce time to market factor.

• Taking part in designing and implementing Secure Operating System based on ARM TrustZone technology.Professional proficiency demonstrated• Ability to work in international and multicultural team in different time zones;• Fluency in implementation both POSIX and non-POSIX user and kernel space software;• Efficiency in Inter-OS communication both running concurrently in the same SoC.Key accomplishments• Detected errors in already existing project.

• Implementing UPnP/DLNA functionality in TV decoders based on non-POSIX firmware;• Creating smart, modular and dynamic build system performing static and dynamic code analysis. Continuous integration methods based on version control systems and automatic code testing are applied.Professional proficiency demonstrated• Ability to integrate external software projects with internal company’s non-POSIX firmware;• Skills in cross-compilation and build automation;• Efficiency in advanced debugging and refactor methods. Secure programming technics (assertions and traps, test-driven development, design-by-contract programming, etc.);Key accomplishments• Developed new functionality in existing firmware and automated software build process;

• Took part in design and build process of ultra-low power bracelets for monitoring prisoners.Professional proficiency demonstrated• Ability to develop software on secure hardware platform based on ultra-low power sensors and microchips;• Experience in developing bare-metal drivers for microcomputer MSP-430;• Skills in cross-compilation real-time operating system based on FreeRTOS.Key accomplishments• Implemented and integrated a set of modules and test suites used in complex embedded software.

• Designed middle frequency (max. 625 MHz) analog and digital electronic circuits;• Assembled prototypes on developed PCBs (Printed Circuit Boards);• Developed firmware for microcomputers.Professional proficiency demonstrated• Experience in design and assembly of advanced analog and digital applications;• Efficiency in programming AVR microcomputers and Altera FPGA chips;• Throughout knowledge of gigabit fiber (1000BASE-SX) ethernet LANs;• Wide knowledge of applied standards in the area of cryptography and electronic circuits.Key accomplishments• Designed and implemented gigabit fiber network interface for high performance, real time cryptographicmachine based on FPGA chip and dedicated hardware architecture.

• Developed dedicated automation software converting large amount of data into human-readable format;• Automated data processing procedures for the employees;Professional proficiency demonstrated:• Practical knowledge of relational databases;• Ability to write complex database queries;• Experience in writing object-oriented applications.Key accomplishments:• Designed, implemented and maintained a set of applications aimed at large data set mining. Software is used only inside the company and cooperates with the internal database.

• Designed, implemented and installed fully automated employee monitoring system.Professional proficiency demonstrated:• Experience in designing and assembling electronic circuits;• Practical knowledge of fault-tolerant distributed solutions in diagnostic and monitoring applications;• Efficiency in integrating external electronic systems with personal computer.Key accomplishments:• Designed, implemented and installed an employee monitoring system for a car wash;• System is working continuously in high humidity (over 90 %) and has never had any failures or crashes.