Result-oriented Fullstack Web Developer with 5+ years of experience delivering high- performance, scalable web applications in insurance, healthcare, and retail sectors. Proficient in Java 17, Groovy, Grails, Spring Boot, Angular, and React, with a strong focus on modular monolithic architecture, CI/CD pipelines, and Docker-based deployment. Adept at working in Agile/Scrum environments and committed to continuous improvement of system performance and maintainability. Experienced in optimizing software delivery through automated testing and building scalable solutions that align with business needs. Currently focused on evolving the architecture with a flexible design to support future migration to microservices.

Oleksandr Ivanenko

Result-oriented Fullstack Web Developer with 5+ years of experience delivering high- performance, scalable web applications in insurance, healthcare, and retail sectors. Proficient in Java 17, Groovy, Grails, Spring Boot, Angular, and React, with a strong focus on modular monolithic architecture, CI/CD pipelines, and Docker-based deployment. Adept at working in Agile/Scrum environments and committed to continuous improvement of system performance and maintainability. Experienced in optimizing software delivery through automated testing and building scalable solutions that align with business needs. Currently focused on evolving the architecture with a flexible design to support future migration to microservices.

Available to hire

Result-oriented Fullstack Web Developer with 5+ years of experience delivering high- performance, scalable web applications in insurance, healthcare, and retail sectors. Proficient in Java 17, Groovy, Grails, Spring Boot, Angular, and React, with a strong focus on modular monolithic architecture, CI/CD pipelines, and Docker-based deployment. Adept at working in Agile/Scrum environments and committed to continuous improvement of system performance and maintainability. Experienced in optimizing software delivery through automated testing and building scalable solutions that align with business needs. Currently focused on evolving the architecture with a flexible design to support future migration to microservices.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent
Russian
Fluent
German
Beginner
Ukrainian
Fluent

Work Experience

Full-stack Web Developer at Self-employed / Freelance
April 1, 2025 - Present
Led design and development of a cloud-ready, multi-tenant community management platform with GDPR compliance; implemented modular architecture designed for future migration to microservices; integrated Telegram Mini Apps; introduced AI-driven tooling into the development pipeline to automate reviews and documentation; improved code quality and reduced production bugs by 15%.
Fullstack Web Developer at Intuitive-Collaboration
January 1, 2023 - March 31, 2025
Delivered end-to-end web solutions for a B2B collaboration platform; migrated portal from jQuery to React; implemented security via Spring Security and JWT; integrated Google authentication; improved onboarding and event management modules.
Front End Web Developer at Construction Retail Network
January 1, 2023 - October 6, 2025
Developed and supported the company's internal CRM system, enabling efficient management of employee records, vacation requests, and recruitment applications. Delivered new features for product cards, including price changes and purchase requests. Migrated company portal from jQuery to React, improving maintainability and performance. Balanced between supporting legacy functionality and developing new features.
Front End Web Developer at 3m2.com.ua (The network of supermarkets)
January 1, 2023 - Present
Developed and maintained web applications for the insurance and health care industries using Java, Groovy, Grails, Spring Boot, Angular, and React. Enhanced existing functionalities, gathered requirements, implemented new features, and ensured smooth delivery across full development cycle. Configured and executed end-to-end testing with Playwright. Developed and implemented a Jira API service, automating customer support processes and significantly improving response times and team coordination.
Full Stack Web Developer at Insurance and Health Care Industries
January 1, 2023 - Present
Developed and maintained web applications for insurance and health care industries using Java, Groovy, Grails, Spring Boot, and Angular. Enhanced existing functionalities, gathered requirements, and implemented new features to ensure smooth delivery across the full development cycle. Configured and executed end-to-end (e2e) testing using Playwright, ensuring high product quality. Developed and implemented a Jira API service, automating customer support processes and significantly improving response times and team coordination.
Full stack Web Developer at Intuitive-Collaboration
January 1, 2023 - Present
Developed and maintained web applications for insurance and healthcare industries using Java, Groovy, Grails, Spring Boot, and Angular. Enhanced existing functionalities, gathered requirements, and implemented new features ensuring smooth delivery across the full development cycle. Configured and executed end-to-end testing using Playwright to guarantee high product quality. Developed and implemented a Jira API service that automated customer support processes, significantly improving response times and team coordination.
Front End Web Developer at Remote Employees
November 1, 2021 - October 6, 2025
Contributed to front-end development projects using React and JavaScript. Collaborated remotely with international teams to deliver high-quality solutions. Implemented layout to WordPress front-end.
Front End Web Developer at Kherson Construction Retail Network
November 1, 2021 - Present
Developed and supported the company's internal CRM system, enabling efficient management of employee records, vacation requests, and recruitment applications. Delivered new features for product cards, including price changes and purchase requests. Migrated company portal from jQuery to React, improving maintainability and performance. Balanced legacy functionality with new feature development.
Front End Web Developer at 33m2.com.ua - the network of supermarkets
November 1, 2021 - Present
Developed and supported the company's internal CRM system enabling efficient management of employee records, vacation requests, and recruitment applications. Delivered new features for product cards, including price changes and purchase requests. Migrated company portal from jQuery to React, improving maintainability and performance. Balanced supporting legacy functionality and developing new features.
Front End Web Developer at KJM C
April 1, 2021 - October 6, 2025
Self-employed private enterprise in household, hygiene, and wellness products sales.
Front End Web Developer at Remote Employees
April 1, 2021 - Present
Contributed to front-end development projects using React and JavaScript. Collaborated remotely with international teams to deliver high-quality solutions. Implemented layout for WordPress.
Front End Web Developer at Remote Employees
April 1, 2021 - Present
Contributed to front-end development projects using React and JavaScript. Collaborated remotely with international teams to deliver high-quality solutions. Implemented layout to WordPress.
Assistant Director at KJM C
February 1, 2020 - October 6, 2025
Assisted with management and operations; responsibilities included coordinating processes and projects.
Front End Web Developer at Private Enterprise
February 1, 2020 - Present
Self-employed developing and maintaining a private enterprise in household, hygiene, and wellness product sales.
Front End Web Developer at KJMC
February 1, 2020 - Present
Self-employed working on front-end web development projects.
Assistant Director at KJM C
January 1, 2014 - October 6, 2025
Assistant Director in Kyiv-based organization.
Assistant Director at KJMC
January 1, 2014 - Present
Assistant Director at KJMC
January 1, 2014 - Present
Assisted in director responsibilities.
Assistant Director at Arna-Trade
January 1, 2006 - October 6, 2025
Assistant Director in Kyiv-based firm.
Assistant Director at KJMC
January 1, 2006 - Present
Assistant Director at Arna-Trade
January 1, 2006 - Present
Assistant director duties.
Navigation Officer at Zodiac Maritime Agencies
January 1, 2005 - October 6, 2025
Navigation officer aboard ships.
Navigation Officer at Zodiac Maritime Agencies
January 1, 2005 - Present
Navigation duties.
Navigator Officer at Zodiac Maritime Agencies
January 1, 2002 - January 31, 2005
Nav/engineering support role on maritime operations.
Navigation Officer at Zodiac Maritime Agencies
January 1, 2002 - Present

Education

Engineer, Navigator officer at St. Petersburg State University of Water Communication
January 1, 1995 - January 1, 2002
Engineer, Navigator Officer at St. Petersburg State University of Water Communications
January 1, 2014 - October 6, 2025
Engineer, Navigator Officer at St. Petersburg State University of Water Communications
January 1, 1995 - October 6, 2025
Advanced JavaScript, OOP and Intermediate React at Udemy
January 1, 2014 - December 31, 2014
Practical JavaScript at Udemy
January 1, 2014 - December 31, 2014
Practical HTML5 & CSS3 at Udemy
January 1, 2014 - December 31, 2014

Qualifications

Advanced JavaScript
January 11, 2030 - October 6, 2025
OOP and Intermediate React
January 11, 2030 - October 6, 2025
Practical JavaScript
January 11, 2030 - October 6, 2025
Practical HTML5 & CSS3
January 11, 2030 - October 6, 2025
Leadership
January 11, 2030 - October 6, 2025
Engineer, Navigator Officer
January 1, 2001 - January 12, 2026
Advanced JavaScript, OOP and Intermediate React
January 1, 2014 - December 31, 2014
Practical JavaScript
January 1, 2014 - December 31, 2014
Practical HTML5 & CSS3
January 1, 2014 - December 31, 2014

Industry Experience

Healthcare, Retail, Financial Services, Software & Internet, Professional Services, Real Estate & Construction

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
See more