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Опыт работы

Senior Angular / Ionic Developer

с 01.2025 по наст. время (1 год)
ESHYFT, Дистанційно (Медицина, охорона здоров'я, аптеки)

✅ Optimized app startup time by ~1.2 seconds, reduced overall bundle size by 18%, and improved average screen response time by 40%, resulting in noticeably smoother navigation and higher user satisfaction.

✅ Supported and enhanced a high-load hybrid mobile application serving over 700,000 active sessions monthly, ensuring stability, scalability, and smooth user experience under heavy usage.

✅ Established consistent and high-quality code standards across the project by implementing ESLint, Prettier, and automated git pre-commit hooks.

✅ Resolved critical native app issues by developing and organizing Cordova plugin patches, significantly improving app stability and performance.

✅ Collaborated with cross-functional teams (engineering, QA, product, and marketing) to deliver new features on time and improve release coordination.

✅ Integrated new features and supported upgrades in the native codebase using Java and Objective-C, enhancing app functionality and device compatibility.

✅ Delivered new UI screens aligned with best UX practices, boosting user engagement and satisfaction.

✅ Proactively collaborated with backend teams and product stakeholders to define, develop, and integrate RESTful APIs, ensuring seamless system interoperability.

✅ Strengthened application security by identifying vulnerabilities, applying best practices, and actively participating in secure development initiatives.

Lead Software Engineer | Hybrid Mobile Application Engineer

с 02.2020 по 04.2024 (4 года 3 месяца)
InCust Ltd. / Allied Bits Ltd., Дистанційно (IT)

✅ Implemented a fully automated release process for web and mobile platforms by integrated CI/CD (GitLab). This reduced release times by 5x and significantly improved efficiency, allowing to effectively scale with the growing number of platform instances and products.

✅ Supported a large-scale legacy business panel built with AngularJS (1.x) and contributed to a hybrid mobile app developed with Ionic and Angular, incorporating both legacy (Ionic 3).

✅ Actively participated in the development of new API methods, working cross-functionally to ensure robust and efficient API integration across the platform.

✅ Optimized API response times, achieving up to a 3x improvement in some cases, while reducing data payload size by an average of 45%.

✅ Successfully developed and implemented a self-service kiosk for a network of gas stations, integrated AMP payment terminals and PTS-2 forecourt controllers. One of the solutions was fully autonomous.

✅ Developed a universal payment module, integrated various payment systems such as Stripe, Apple Pay, Google Pay, Flutterwave, eWAY, Wave, Global Payments, as well as loyalty and corporate accounts within the platform.

✅ Created a self-hosted application for the AMP payment terminal with a monopolized mode on Android, requiring the development of a custom Cordova plugin in Java.

✅ Provided mentorship and guidance to team members, fostering their professional growth and development.

Full Stack Engineer (PHP, CodeIgniter, REST, Ionic, Angular)

с 02.2019 по 01.2020 (1 год)
Mavka App, Киев (IT)

✅ Built cross-platform mobile applications using Ionic Framework with Angular, Cordova, and Capacitor for Android and iOS. Led the full development lifecycle, including designing and building REST APIs using PHP.

✅ Led the full development of a social network project networking project from the ground up, integrating payment processing with Apple Pay and Google Pay, as well as implementing chat functionality and geolocation features.

✅ Oversaw project releases, ensuring smooth updates and consistent performance on all platforms.
Implemented technical SEO strategies, optimizing site structure and performance, which resulted in improved search rankings and increased organic traffic.

Full Stack Software Engineer | Co-founder

с 08.2011 по 02.2019 (7 лет 7 месяцев)
Rainbow Lab, Київ (IT)

Started as a freelance PHP developer, I co-founded Rainbow Lab, a development team dedicated to delivering high-quality web solutions. Our core focus was on building e-commerce websites, where we handled the entire development lifecycle. From client communication, gathering requirements, designing, and prototyping, to implementing and releasing fully functional platforms, we provided end-to-end services.

✅ Led backend development using PHP, integrating MySQL databases, and optimizing server configurations.

✅ Collaborated on frontend development with a partner, ensuring seamless UX/UI design and high-performance websites.

✅ Oversaw full project lifecycles, from concept to delivery, with a focus on clean, maintainable code and user-friendly interfaces.

✅ Focused on SEO strategies and web performance optimization, ensuring each site was fully optimized for search engine visibility, improved rankings, and increased organic traffic growth.

✅ Managed infrastructure, including server setup, configuration, and ongoing maintenance to ensure robust and reliable platforms.

✅ Developed custom plugins and modules for CMS platforms, tailoring solutions to client needs.

We took pride in the quality of our work and were passionate about creating scalable, well-optimized products that met the evolving needs of our clients.

Образование

European University

Master of Computer Science, Computer and Information Sciences and Support Services, Киев
Высшее, с 2022 по 2024 (2 года)

KROK University

Master of Economics, Economics, Киев
Высшее, с 2005 по 2011 (6 лет)

Дополнительное образование и сертификаты

IT Education Academy (ITEA) - Angular.js 1.x

2016

Angular (Intermediate) Certificate

2024
Сертификат

Angular Advanсed (1000/1000)

Mart 2025
Сертификат

Angular (Intermediate) Certificate

Jan 2024
Сертификат

SQL Advanced Certificate

2025
Сертификат

Node.js Certificate

2025
Сертификат

Знания и навыки

• Angular
• Ionic Framework
• TypeScript
• RxJS
• PHP
• MySQL
• SQL
• Capacitor
• JavaScript
• NgRx
• AngularJS
• Git
• HTML
• CSS
• Teamwork
• Mentoring
• Signals
• Node.js
• MongoDB
• Jira
• Cross-platform mobile development
• Jest

Знание языков

• Английский — средний
• Украинский — свободно

Рекомендации

• Sergey Engstrem

  Sergey Engstrem

  Контактные данные скрыты

• Андрей Копайгородский

  Андрей Копайгородский

  Rainbow LAb

  Контактные данные скрыты

Дополнительная информация

Experienced Software Engineer specializing in mobile applications using Ionic Framework, Angular, Capacitor and Cordova. Proficient in PHP and MySQL, with experience in leading development teams and managing the full software development lifecycle.

Linkedin: [открыть контакты](см. выше в блоке «контактная информация»)
GitHub link - https://github.com/osben
telegram: https://t.me/osben90
email: osben90{a}gmail.com
tel: +38 (О93) 3О9-23-97