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Senior Ruby Developer @LoopMe
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WORK HISTORY
Senior Ruby Developer @LoopMe
Lincoln, GB
Owned end-to-end development functions within the Agile framework, from architecting and designing new features to deployment, tools, and full applications within a complex service-oriented ecosystem, while scoping and estimating feature requests- Hired, onboarded, and mentored 4 junior developers, providing code reviews and project-specific guidance- Worked closely with stakeholders, including AdOps and Product Managers, Data Science, and Backend- Reviewed autotest coverage and integrated CI/CD with Jenkins, optimizing test parallelization, improving system stability and code delivery- Optimized SQL queries by implementing segmented stats storage with varying granularity, reducing data retrieval time from 5 minutes to seconds- Redesigned and migrated the frontend to React, enhancing performance, maintainability, and user experience- Upgraded the application framework to version 5, saving 100+ hours of engineering time annually- Prepared and optimized data for machine learning projects, ensuring quality and usability for data science applications.Tech Stack: Ruby, Rails, Java, PostgreSQL, Redis, ElasticSearch, Bootstrap, HighCharts, Webix, ERB, SASS, JavaScript, Protobuf, gRPC, REST, Spring, Gradle, RSpec, Sidekiq Pro, Postman, Docker, Kubernetes, Git.
EDUCATION
Donetsk National Technical University
Master's degree
ABOUT ANDRII GIRUTA
Senior Ruby Developer with 9+ years of experience in web application development, specializing in Ruby on Rails, JavaScript (React), and Java. Skilled in architecting scalable applications, optimizing SQL databases, and implementing CI/CD pipelines to enhance system performance and stability. Experienced in Agile, Scrum, and Kanban methodologies, with a strong background in mentoring junior developers and collaborating with cross-functional teams, including AdOps, Product Managers, and Data Science. Passionate about building high-performance, data-driven solutions and driving technical excellence. MSc in Computerized Control Systems & Automation. Technical skills: Languages: Ruby, Java, Javascript, SQL, GraphQL Frameworks: Rails, React, GraphQ, Spring Databases: PostgreSQL, MySQL, MongoDB, ElasticSearch, AWS Redshift CI/CD: Webpack, Gradle, Kubernetes, Spinnaker, GitHub Actions, Jenkins Tools & technologies: ReactJs, Unix Shell Script, RubyMine, Protobuf, gRPC, RestAPI, Docker, Gradle, IntelliJ IDEA, BloomRPC, Postman AI Tools: JetBrains AI, Copilot
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