Software Engineer Los Angeles

Stoyan Shivarov

Los Angeles, CA 424-***-**** ********@*****.***

Professional Summary

Versatile Software Engineer with over 7 years of experience in Software Development, Automation Testing, Embedded Systems Debugging, and Technical Product Management. Demonstrated expertise in building high-quality software solutions, leading QA and DevOps initiatives, and bridging hardware-software integration through BIOS/firmware debugging and low-level diagnostics. Actively expanding knowledge in Artificial Intelligence through ongoing doctoral studies pursued independently on weekends, with hands-on experience in AI fundamentals, algorithm design, and intelligent system modeling. Proven ability to collaborate across cross-functional teams to drive innovation, efficiency, and product reliability.

Technical Skills

Backend Technologies: Skilled in Java, Python, C++, Node.js, PHP, Express, Laravel.

DevOps Practices: Proficient in AWS, Digital Ocean, Heroku, Docker, Jenkins, and Git for continuous integration and delivery

Database Management: Experienced in PostgreSQL, MySQL, MongoDB, Java Persistence API (JPA), JDBC, and Hibernate for robust data management.

Java Web Technologies: Solid understanding of Spring MVC, Spring Boot, Jackson, Servlet API, Tomcat, and Spring Rest Template.

Web and Mobile Development: Well-versed in Flutter, React, Angular, Laravel, JavaScript.

Testing Frameworks: Expert in Selenium, Cypress, Flutter Integration Testing Suite, Lambda Test, Appium, TestNG, Mockito, JUnit, Jasmine, Protractor, and Cucumber.

Hardware and Embedded Testing & Debugging:

Proficient in BIOS and firmware reprogramming, log extraction, and system-level diagnostics to ensure seamless hardware-software integration. Experienced in low-level debugging and validation using tools such as TTL-to-USB converters, EP340 BIOS programmers, serial consoles, and logic analyzers. Skilled in identifying and resolving complex hardware issues across Bluetooth, Wi-Fi 6/6E, Ethernet, antennas, accelerometers, GPUs, HD and depth cameras, high-resolution displays, USB and HDMI peripherals, and advanced echo-canceling microphones.

Artificial Intelligence & Machine Learning: Solid understanding of core AI principles, including intelligent agents, search algorithms, decision trees, and logic-based reasoning. Proficient in Python for building and testing foundational AI models, integrating algorithmic thinking with programming theory and design patterns. Experienced in flowchart modeling, logic evaluation, and developing prototype solutions that demonstrate applied AI techniques. Familiar with supervised learning, knowledge representation, and problem-solving paradigms. Currently advancing AI expertise through doctoral-level research and coursework in Computer Science.

Experience

QA Engineering Lead PROTO HOLOGRAM LOS ANGELES MARCH 2022 - PRESENT

Led the design and implementation of test strategies, significantly reducing the testing cycle and customer-reported defects.

Specialized in video stream testing, iOS app testing, and extensive API, load, and stress testing to enhance product reliability and performance.

Spearheaded the design and execution of comprehensive test plans, fostering test development and driving test automation across various platforms, including Ubuntu and Ubuntu-Core.

Conducted extensive training for new engineers on testing methodologies and validation processes.

Diligently performed regression, smoke, and sanity testing to ensure software stability and performance.

Provided vital support to software engineers in rolling out new features and executing hotfix releases.

Utilized tools like Cypress, Cucumber, Lambda Test, Appium, and GitLab CI/CD Pipeline, contributing to continuously improving testing processes.

Performed extensive hardware testing and validation across multiple components, including Bluetooth, Wi-Fi, Ethernet cards, accelerometers, GPU and CPU performance, cameras, displays, capture cards, echo-canceling microphones, and microphone arrays. Ensured all hardware was integrated seamlessly with software systems and met rigorous performance standards.

Technical Product Manager Visa March 2021 to March 2022

Collaborated with development, engineering, and QA teams to evaluate and integrate new products, ensuring alignment with strategic goals and market demands.

Managed the Scrum team and utilized Agile methodologies to streamline project execution and deliver solutions that met customer expectations.

Played a crucial role in analyzing and reverse-engineering Java-based payment processing systems to enhance functionality and security.

Designed and developed pseudocode solutions, supporting engineering teams during implementation phases.

Proficiently utilized a variety of tools and technologies, including Rally, Jira, Java, Spring Framework, Jenkins, Docker, Linux, Bitbucket, Kubernetes, REST and SOAP web services, Source Code Management Practices (SCMP), and ISO 8583 APIs.

SOFTWARE ENGINEER AT TEST / TEST AUTOMATION EDISON OF SOUTHERN CALIFORNIA MARCH 2020 - FEBRUARY 2021

Focused on automation and manual testing within an SAP-based platform, documenting all test results and supporting software engineers with insightful testing feedback.

Testing customer-facing and support front-end applications and back-end processes, handling service connections and disconnections for residential and commercial clients based on payment status and service changes.

Expertly documented all test results, identified issues, and tracked defects while ensuring thorough validation of API accuracy.

Conducted systematic regression, smoke, and sanity testing to affirm product quality and functionality.

Performed robust API, load, and stress testing to verify system performance under various conditions.

Actively supported software engineers by providing testing insights that informed feature development and problem resolution.

Proficiently used a suite of tools and technologies, including Java, Selenium WebDriver, JUnit, HP ALM, SAP IS-U, SAP ECC, FICA, and SAP C4C for testing and test management.

SOFTWARE ENGINEER AT TEST REVATURE NOVEMBER 2019 - MARCH 2020

Focused on application development and automation testing in a dynamic team setting.

Tools and technologies utilized included Java, Spring, Spring Boot, JavaScript, Angular, JUnit, AWS, Jenkins, Docker, TestNG, Mockito, Selenium, Cucumber, Protractor, Jasmine, and Karma

SOFTWARE ENGINEER MAX HOME INSPECTIONS JUNE 2019 - AUGUST 2019

Engineered software solutions tailored to a home inspection company, focusing on mainframe systems and Android mobile applications.

Deployed developments in a Linux environment, crafting SQL CRUD statements, structuring data tables, and troubleshooting existing code.

The tools and technologies employed included PHP, SQL Laravel, Dart, Flutter, Android Studio, Digital Ocean, Ubuntu, Bitbucket, and Jira.

SOFTWARE ENGINEER KAMION NOVEMBER 2018 - APRIL 2019

Developed a full-stack platform, including a mobile app, to optimize logistics operations.

Managed driver information, payment invoicing, and live route mapping functionalities.

Role included front-end Angular development, feature implementations, bug resolutions, and ensuring accurate database interactions.

Tools and technologies used were Angular, MongoDB, Express, Node.js, and AWS.

Education

Ph.D. Candidate in Computer Science 2027 National University San Diego

Master’s in Information Systems 2024 University of Phoenix

Bachelor’s in Engineering Physics 2018 University of Sofia

Certificate Program in Full Stack Software Development 2019 University of Miami

Certifications

IBM Quantum Consultations IBM Jan 2020

Global Agile Developer Infosys Jan - Mar 2020

Specializations in Automation Testing, API Testing, and Performance Testing Infosys Jan - May 2020

References

Available upon request.

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