Elina Kolodiazhna
Gliwice
Summary
Accomplished Back End Team Lead at Avenga, adept in Ruby on Rails and fostering customer focus, significantly enhanced operational efficiencies and software quality. Spearheaded cross-functional collaborations, mentoring initiatives, and strategic integrations, driving performance improvements and robust solutions across diverse projects.
Overview
6
6
years of professional experience
Work History
Back End Team Lead
Avenga
12.2023 - Current
- Collaborated with other department leads to streamline workflows, improve interdepartmental coordination, and achieve business goals collectively.
- Managed risks and mitigated potential issues through proactive planning, monitoring, and timely decisionmaking.
- Assisted in recruitment to build team of top performers.
- Optimized customer experience by delivering superior services and effectively troubleshooting issues
- Helped meet changing demands by recommending improvements to business systems or procedures.
- Maintained database systems to track and analyze operational data.
Senior Ruby On Rails Developer
Avenga
04.2023 - Current
- Designed reusable components following object-oriented principles leading to more modularized codebase.
- Streamlined development process, introducing automated testing and continuous integration tools.
- Utilized caching strategies to improve page load times and overall site performance.
- Integrated third-party APIs such as payment gateways and authentication services to enhance application functionality.
- Collaborated with cross-functional teams to gather requirements and deliver high-quality software solutions.
- Enhanced application performance by optimizing Ruby on Rails code and database queries.
- Reduced system downtime with proactive maintenance and timely bug fixes.
- Modernized legacy systems with updated dependencies ensuring long-term stability.
- Enabled rapid project iterations with Agile methodologies such as Scrum or Kanban.
- Improved code quality through rigorous peer reviews and adoption of coding standards.
- Developed scalable and maintainable applications using RESTful APIs and microservices architecture.
- Mentored junior developers, providing guidance on best practices in Ruby on Rails development.
- Optimized database schema design to facilitate efficient querying of large datasets.
- Facilitated seamless data migration for major platform upgrades while minimizing service disruptions.
- Discussed site and app requirements with clients to produce actionable development plans.
- Oversaw technical issues and troubleshooting requests to resolve user problems.
- Built databases and table structures for web applications.
- Coordinated deployments of new software, feature updates and fixes.
- Corrected, modified and upgraded software to improve performance.
- Documented software development methodologies in technical manuals to be used by IT personnel in future projects.
Ruby Developer
Epam
11.2021 - 03.2023
- Implement new endpoints of the healthcare REST API, which are compliant with the FHIR standard for healthcare data exchange
- Perform demos for clients
- Secured sensitive customer data by implementing robust encryption techniques and adhering to industry compliance standards.
- Streamlined development process, introducing automated testing and continuous integration tools.
- Designed reusable components following object-oriented principles leading to more modularized codebase.
- Reduced system downtime with proactive maintenance and timely bug fixes.
- Onboarding new members
- Mentored junior developers, providing guidance on best practices in Ruby on Rails development.
- Improved code quality through rigorous peer reviews and adoption of coding standards.
- Collaborated with cross-functional teams to gather requirements and deliver high-quality software solutions.
- Discussed site and app requirements with clients to produce actionable development plans.
Full-stack Ruby on Rails Developer
SoftServe
03.2021 - 11.2021
- Integrated third-party APIs such as payment gateways and authentication services to enhance application functionality.
- Provided front-end website development using React, Apollo
- Provided back-end development using Ruby On Rails, GraphQL, ElasticSearch
- Built table structures for web applications.
- Coordinated deployments of new software, feature updates and fixes.
- Designed reusable components following object-oriented principles leading to more modularized codebase.
- Collaborated with cross-functional teams to gather requirements and deliver high-quality software solutions.
- Developed scalable and maintainable applications using RESTful APIs and microservices architecture.
Full-stack Ruby on Rails Developer
RubyGarage
12.2018 - 03.2023
- Coordinated deployments of new software, feature updates and fixes.
- Designed reusable components following object-oriented principles leading to more modularized codebase.
- Utilized caching strategies to improve page load times and overall site performance.
- Integrated third-party APIs such as payment gateways and authentication services to enhance application functionality.
- Enabled rapid project iterations with Agile methodologies such as Scrum or Kanban.
- Reduced system downtime with proactive maintenance and timely bug fixes.
- Enhanced application performance by optimizing Ruby on Rails code and database queries.
- Mentored junior developers, providing guidance on best practices in Ruby on Rails development.
- Coded websites using HTML, CSS, JavaScript, and jQuery languages.
- Implemented back-end features using Ruby On Rails
- Tested and deployed scalable and highly available software products.
- Modernized legacy systems with updated dependencies ensuring long-term stability.
Education
Master of Science - Computer Science And Programming
National Technical University Dnipro Polytechnic
Dnipro, Ukraine06.2014
Skills
- Customer Focus
- Coaching and Mentoring
- Performance monitoring & improvement
- Ruby, Rails, RSpec
- CI/CD
- PostgreSQL
- Profiling & Monitoring Tools
- Integrations
- REST APIs
- React
- AWS
Languages
Ukrainian
Native language
English
Upper intermediate
B2
Polish
Elementary
A2
Timeline
Back End Team Lead
Avenga
12.2023 - Current
Senior Ruby On Rails Developer
Avenga
04.2023 - Current
Ruby Developer
Epam
11.2021 - 03.2023
Full-stack Ruby on Rails Developer
SoftServe
03.2021 - 11.2021
Full-stack Ruby on Rails Developer
RubyGarage
12.2018 - 03.2023
Master of Science - Computer Science And Programming
National Technical University Dnipro Polytechnic
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