Oleksandra Zh. — Senior Full Stack Developer

Expertise in Full Stack Web (6.0 yr.), Mobile Apps (6.0 yr.).

Last verified on January, 2026

Core Skills

Bio Summary

Highly skilled Senior Full Stack Developer with extensive experience in building and optimizing mobile and web applications across various platforms. Proficient in a comprehensive technology stack including modern JavaScript (ES6+), TypeScript, React.js (including React Native and related libraries), Angular, Node.js, and database management. Demonstrable expertise in AWS cloud services, Firebase suite, CI/CD practices, and containerization with Docker. Capable of efficiently managing state and data flow in complex applications using state management solutions like Redux and NgRx. Education in Accounting and Auditing with additional training in software programming, and proficient in English along with native Ukrainian and Russian. Track record of developing scalable, high-performing applications such as a comprehensive fitness studio app, a data-heavy web-based application for file management, and a dynamic platform for startup and talent matching.

Technical Skills

Programming Languages	JavaScript, TypeScript
JavaScript Frameworks	Angular, Express, Ext JS, Node.js, React
JavaScript Libraries and Tools	Mobx, Mongoose, NgRx, React Native, React Query, React Router, Redux-Saga, RxJs
Databases & Management Systems / ORM	AWS ElasticSearch, MongoDB, PostgreSQL, Sequelize
UI Frameworks, Libraries, and Browsers	SASS
Amazon Web Services	AWS ElasticSearch
Deployment, CI/CD & Administration	Axios, CI/CD
SDK / API and Integrations	Facebook API, Google API, Google Maps API, RESTful API, Stripe, Twilio API, Windows API
Virtualization, Containers and Orchestration	Kubernetes
Soft Skills	Research Skills
Version Control	SVN
QA, Test Automation, Security	Usability tests
Other Technical Skills	Front-End Web Development, NGXS, PropTypes

Work Experience

JavaScript Full Stack Developer, BLOK

Summary:

Developed a comprehensive fitness studios app for booking classes, checking schedules, and attending workouts
Also developed related web apps for admin and marketing purposes

Responsibilities: Building and optimizing mobile and web applications, implementing interactive interfaces, setting up databases, developing features such as push notifications and real-time data updates, managing state and architecture, optimizing applications for high load, implementing CI/CD pipelines, testing and debugging applications, and collaborating with cross-functional teams.

Technologies: React, React Native, TypeScript, React Query, React navigation, CustomerIO

JavaScript Full Stack Developer, PERDIX

Summary: Web-based application designed for efficient storage, management, and updating of large-sized files for high-volume data industries.

Responsibilities: Optimizing applications for performance, handling large file data, managing backend operations, developing features for real-time collaboration, and implementing database operations.

Technologies: Angular 10, Rxjs, Ngrx, Node.js, PostgreSQL, Sequelize, ElasticSearch

JavaScript Full Stack Developer, SUPERTALENT

Summary: An app helping talented individuals and startups connect and realize full potential with features like chat bot profile filling, testing, and dynamic matching.

Responsibilities: Building interactive interfaces, setting up and managing backend operations, developing authentication systems, and integrating various APIs and payment gateways.

Technologies: React, TypeScript, Redux, Firebase, Firestore, Firebase Storage, Stripe, Google auth

JavaScript Full Stack Developer, SPRAY VALET

Summary: A booking application for spray tan service which includes booking availability, online booking, and customer communication features.

Responsibilities: Developing mobile and web applications, integrating maps and payment services, setting up authentication systems, and implementing communication and document signing features.

Technologies: React, React Native, MobX, Axios, TypeScript, PropTypes, REST API, Google Maps API, Stripe, Google, Facebook, Apple auth, Twilio, Docusign

JavaScript Full Stack Developer, ITERIUS

Summary: Application for tracking work hours and project-related time with reporting functionality for each user.

Responsibilities: Developing application features, managing state with MobX, setting up REST APIs, and collaborating on a micro-front-end architecture.

Technologies: React.js, Typescript, Micro-front-end, Kubernetes, Node.js, Express.js, PostgreSQL, SASS, MobX, Rest API

Education

Accounting and Auditing
Master’s degree
09/2009 – 06/2014
Source IT Software programming

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