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Kseniia Zozulia

Software Engineer



Professional software engineering with over ten years of production experience. Actively participated in the engineering of complex projects and software products.


Developed robust, user-focused solutions driving breakthrough efficiency and bottom-line results. Implemented major enhancements to existing systems. I can effectively combine my knowledge and your idea to provide an excellent solution for your business.


Strong team leader with extensive background managing and mentoring employees.


Mar 2018 - Present

Founder, Software Engineer,

Marketing Manager

Illusory - Photo Editor

I'm an initial founder and developer of the Photo Styling app, which was rebranded in Illusory photo editor since the second version in 2021. I'm planning and designing new features and a roadmap. Designing and developing various modern image editing tools. I'm creating media content and running a marketing company on multiple social networks. Responsible for the service promotion.

  • Market analysis

  • Planning new releases and features

  • Designing and implementing new features

  • Technical support and maintaining

  • Running marketing company

Jan 2018 - Present

Senior Mobile Software Engineer

Freelance / Remote Contractor

Developed new features to an existing project to extend app functionality and provide new services. Played a key role in all phases of the application development life cycle, from design and documentation to implementation and testing for a successfully launched fintech startup.

  • Development of complex mobile applications for large businesses and fast-growing startups.

  • Discern key business requirements and objectives by interfacing with stakeholders.

  • Creating a timeline of the feature set broken into small deployable chunks and assigning deadlines.

  • Development, testing, and deployment of the various features on time.

  • Identify and correct bottlenecks and fix bugs.

  • Coordinate the efforts of a geographically distributed team through the introduction of online collaboration tools and daily calls.

Dec 2016 - Dec  2017

iOS Software Engineer, Mobile TL


Work closely with other engineers to launch the new Content and Interaction management platform, providing users with an environment to communicate and access data. Designed and developed high-quality reusable components by utilizing various standard frameworks. Delivered a wide range of functional enhancements and performance improvements.

  • Developed high-quality code, including modules to video/audio calls, massaging, document interaction.

  • Collaborate with system architects, business analytics, development engineers, designers, QA to prioritize needs, define, design, and ship new features with high quality.

  • Leading mobile development team (4 iOS and 4 Android developers), sprint estimation, spread of tasks among team members.

  • Create and maintain project technical documentation, established development standards: apply code convention for team and product development flow. Also, integrate enforcing Swift style and conventions tools, perform code review.

Mar 2011 - Dec  2016

iOS Software Engineer

Quadecco GmbH

Designed dozens of mobile applications for social networking, music and video providers, Enterprise cloud solution and MDM products. Also, I have created mobile apps for eCommerce and restaurants.

  • Handling the entire product development lifecycle from understanding the business case to implementation.

  • Develop iOS mobile applications that improve scalability, performance, and profits for businesses.

  • Evaluate requirements and initial mock-ups, make technology recommendations based on the latest Apple requirements and best practices.

  • Lead iOS development team and mentoring of junior developers






Xcode/Android Studio


AVFoundation/Kurento/ WebRTC/ CoreImage/Metal

Realm/Core Data/SQLite

In-App Purchase/Stripe

Core Location/MapKit/Google Maps SDK for iOS

Document Interaction Programming/File Provider Extension

Architecture Components/Retforit2.0/AndroidX

Third-party APIs integration

Apps and services architecture

Design and implement database structures

Lead and deliver complex software systems



Jira/Trallo/Asana/GitLab Issue Boards


Requirements analysis and planning

Great communication

Team player

Strong problem solver

Effective time management


2013 - 2016

Ph.D. in Automation Systems

of Design Works

Kharkiv National University of Radio and Electronics

2006 - 2011

MSc in Research Engineer computerized systems, automation and control

Kharkiv National University of Radio and Electronics









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