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Kateryna Halan ✏ edited
SENIOR APPLICATION ENGINEER · The Walt Disney Company
· Melbourne, Australia
· in 1 pool
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Contact
Email
kateryna.halan@gmail.com
Phone
+38 095 637 8363
Career & Education
Position
SENIOR APPLICATION ENGINEER
Company
The Walt Disney Company
Years experience
8
School
Kyiv National Economic University
AI Enrichment
Senior Software Engineer with extensive experience designing, building, and scaling modern web applications across front-end and full-stack development. Skilled in technologies such as JavaScript, TypeScript, React, Next.js, Node.js, with a strong track record of delivering production-ready solutions that combine technical excellence with business impact. Led end-to-end product development cycles from architecture and design through implementation, launch, and optimization.
Primary role
Senior Software Engineer
Seniority
senior
Status
ai_done
Skills
JavaScript TypeScript React.js Next.js Node.js Python Express.js Redux Flutter jQuery HTML CSS Tailwind CSS LESS SCSS Redux Toolkit React Query SWR PostgreSQL Snowflake MySQL MongoDB Firestore React Testing Library Jest Mocha Datadog Sentry Newrelic Google Analytics AWS GCP Azure Docker GitHub Actions GitLab CI Jenkins Git NPM Yarn
Signals
has_real_projects: yes
oss_contributor: no
ai_ml_experience: no
strong_github: no
senior_level: yes
From the resume
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Extracted by Qwen3.6 from the candidate's own PDF. Authoritative for skills, summary, and the experience timeline.
Experience
Senior Application Engineer
· The Walt Disney Company
2024-05 → 2026-03
- Designed and developed scalable, production-grade front-end and full-stack applications from scratch using React, Next.js, and TypeScript, leading the process from initial design through production deployment to support data-driven decision-making for internal Disney teams.
- Owned the end-to-end development lifecycle, including technical planning, architecture design, implementation, release management, and creation of technical documentation, release notes, and planning board artifacts.
- Translated complex business and analytical requirements into intuitive, high-performance user interfaces, improving usability and efficiency for cross-functional stakeholders.
- Built and maintained a shared UI component library, leveraging Storybook for component documentation and development, and publishing it as a private npm package, enabling reuse across multiple teams while ensuring consistency, accessibility, and long-term maintainability.
- Integrated front-end solutions with backend APIs and data services, collaborating closely with data scientists, product managers, designers, and backend engineers.
- Led and participated in architectural discussions, contributing to system design decisions, scalability planning, and long-term technical strategy.
- Conducted code reviews, mentored engineers, and contributed to technical documentation, supporting team onboarding and maintaining high standards of code quality.
Full Stack Developer
· SRC Innovations
2022-11 → 2023-12
· Melbourne, Australia
- Developed the MVP for DownmixIt (https://downmix.it/) project from inception to production in 4 months, leading all development lifecycle, including the design, building application architecture, implementation, and deployment phases, ensuring scalability.
- Enhanced the Meet Halfway (https://meethalfway.com.au/) project by introducing user-friendly UI/UX React components, launching the web applications for both Android and IOS devices using Flutter, and creating back-end CRUD services.
- Implemented queue functionality and expanded CRUD services for the back-end using Node.js, Express.js, and MongoDB within the Srchy (https://srchy.ai/) project.
- Created CI/CD pipelines and deployed projects to different platforms such as GCP and AWS.
- Mentored junior engineers, conducted code reviews, and wrote supporting documentation, contributing to enhancing the codebase and maintaining a high standard of code quality.
Front End Developer
· Evolution
2021-08 → 2022-11
· Remote
- Engaged in the various client-side development stages of 10+ portfolio games, utilizing JavaScript, TypeScript, React, and Pixi.js.
- Investigated and resolved production-related issues, documented and shared them with a team that decreased relevant issues and ensured seamless game operation.
Front End Developer
· Govital
2018-03 → 2021-08
· Kyiv, Ukraine
- Enhanced the loading page speed of a high-traffic website by configuring Gulp file to split styles and scripts per page, optimizing images, and making lazy loading, improving performance from orange zone to green according to Google PageSpeed.
- Refactored a large CRM system in React by updating components from Class Components to utilizing React hooks for improved structure and efficiency.
Front End Developer
· VDT.site
2016-01 → 2018-03
· Kyiv, Ukraine
- Designed, built, and delivered over 10 websites from scratch with a focus on user-friendly UI/UX, ensuring cross-browser compatibility, responsibility, and accessibility of web pages, utilizing HTML, CSS, JQuery, and Ajax.
- Optimized the websites for SEO (Search Engine Optimization), ensuring better search engine results.
Projects
DownmixIt
↗
MVP project developed from inception to production in 4 months, leading all development lifecycle including design, architecture, implementation, and deployment.
React Node.js Express.js MongoDB
Meet Halfway
↗
Enhanced project by introducing user-friendly UI/UX React components and launching web applications for Android and iOS using Flutter.
React Flutter Node.js Express.js
Srchy
↗
Implemented queue functionality and expanded CRUD services for the back-end.
Node.js Express.js MongoDB
Education
GOIT Neoversity
· Master of Science
· Computer Science
Kyiv National Economic University
· Bachelor of Science
· Computer Science & Information Technology
· 2020
Kyiv Technical School of Electronic Devices
· Junior Specialist Certification
· Software Engineering
Certifications
- Junior Specialist Certification in Software Engineering
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Provenance
id: 2b7ac208-9725-519b-b8f2-4630ed448335
Created: 1778530728
Updated: 1778530728