Yevheniia Silbernagl
@yevheniiasilbernagl
Senior software developer and automation QA specializing in backend testing and payments.
What I'm looking for
I am a Senior Software Developer and Automation QA with over 15 years in the IT industry, experienced in designing and maintaining frontend and backend testing frameworks and implementing financial business flows across projects in the US, Germany and Ukraine. I have built and improved automated systems, CI/CD workflows, mock services, and integrations with payment providers, contributing code to Selenium and leveraging Java, Scala, Spring Boot, Postgres and AWS in production.
My background includes senior roles in fintech and enterprise settings where I led QA automation initiatives, mentored teammates, managed releases, and performed integrations with third-party systems. I deliver reliable testing infrastructures and pragmatic development practices that reduce risk and accelerate delivery.
Experience
Work history, roles, and key accomplishments
Senior Software Engineer
Independent / Freelance
Sep 2024 - Present (1 year 3 months)
Developed Spring Boot services and mock systems, improved CI/CD and code quality workflows, and maintained Postgres-backed applications, delivering production-ready integrations and automation enhancements.
Senior Software Engineer
Auto Fleet Control
Jan 2021 - Jan 2022 (1 year)
Developed Spring Boot services, configured SonarQube across services, integrated systems with Graylog, and managed releases and migrations to docker-swarm to improve reliability and observability.
Senior Automation QA
Auto Fleet Control
May 2020 - Dec 2020 (7 months)
Established QA automation framework and delivered automated test coverage for microservices and legacy applications, driving process improvements and cross-team quality standards.
Senior Automation QA
Deposit Solutions GmbH
Jan 2018 - Apr 2020 (2 years 3 months)
Built QA automation frameworks and implemented automated testing across multiple microservice projects while mentoring QA engineers to raise testing standards.
Senior Scala Developer
Kreditech Holding SSL GmbH
Jan 2015 - Jan 2018 (3 years)
Developed payment provider integrations and internal accounting systems in Scala, contributed to testing and release management to ensure robust financial processing.
Expert QA Engineer
Kreditech Holding SSL GmbH
Jan 2014 - Jan 2015 (1 year)
Implemented QA processes and testing for payment integrations and internal systems, supporting release management and quality assurance across teams.
Senior Automation QA
X1 Group
Jan 2013 - Jan 2014 (1 year)
Established testing processes and automation for multiple products, improving test coverage and quality for client projects including Kreditech and Datapine.
Senior Automation QA
Exadel
Jan 2013 - Jun 2013 (5 months)
Designed and executed automation scripts, tracked defects, and supported test execution across projects to improve release quality and reduce defect leakage.
Automation QA
Taxer
Dec 2012 - May 2013 (5 months)
Set up basic testing frameworks and CI integration, and provided infrastructure support for development and testing as a freelance automation QA.
Middle Automation QA
Domosti
Jan 2012 - Jan 2013 (1 year)
Designed comprehensive test plans and automated test cases to improve product quality and streamline QA processes across releases.
System Administrator
State Enterprise Plant “Electrotyazhmash”
Jan 2010 - Jan 2012 (2 years)
Maintained and configured Windows workstations and servers, ensuring system reliability and uptime for internal users and services.
Education
Degrees, certifications, and relevant coursework
V. N. Karazin Kharkiv National University
Master of Science, Theoretical and Applied System Engineering
2005 - 2010
Master of Science from the Department of Theoretical and Applied System Engineering completed between 2005 and 2010.
Availability
Location
Authorized to work in
Job categories
Skills
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