Gleb

GLEB KONONENKO
FRONT-END ENGINEER

SUMMARY CONTACT

Dynamic Front-end Developer with over 3 years of experience in creating [открыть контакты](см. выше в блоке «контактная информация»)
engaging web and mobile applications. Used a leveraging cutting-edge
technologies such as React, TypeScript, and Flutter to deliver high-quality, [открыть контакты](см. выше в блоке «контактная информация»)
scalable solutions. Proven capability in seamless API integration, state Remote
management, and implementing responsive UI/UX designs that enhance user
experience. A collaborative team player with a strong focus on clean code and LinkedIn
agile methodologies, dedicated to transforming innovative ideas into polished
Github
digital products. Passionate about continuous learning and applying new
technologies to meet evolving project needs.

WORK EXPERIENCE SKILLS
tict (AI & TravelTech company) October 2023 – Present HTML5 & CSS3
Mobile Application Developer JavaScript & TypeScript
Responsible for developing and maintaining the client side of the
React.js & React Ecosystem
company’s mobile application.
Designed and implemented adaptive UI/UX, ensuring smooth Flutter & Dart
operation on both iOS and Android platforms. State Management
Built features using Flutter (Dart) and a wide ecosystem of libraries
API Integration
(Bloc/Cubit for state management, Dio/http for API calls, etc.).
Integrated with backend services via REST APIs, caching, and error UI/UX Implementation
management. Form Handling & Validation
Collaborated closely with product owners to deliver high-quality
Navigation & Routing
features in iterative sprints.
Maintained code quality through reviews and refactoring. Version Control / Git
Collaborated in a cross-functional team of 10 people, including Collaboration & Agile
developers, designers, and QA engineers, ensuring smooth Testing & Debugging
communication and efficient delivery of features.

OlyPay (FinTech company)
LANGUAGE
Front-end Engineer January 2022 – March 2023

Developed reusable UI components, ensuring consistent design English: Upper-Intermediate
across different product modules. Ukrainian: Native
Integrated complex APIs, including payment systems and user Russian: Native
authentication flows.
Optimized performance of key pages, reducing load times and
improving overall user experience.
Participated in code reviews, introduced best practices for
maintainability and scalability.