Roman Bozhenko Email & Phone Number

Toronto, Ontario, Canada

Toronto, Ontario, Canada

As a Senior iOS Developer at Walmart Global Tech Engineering team, I was responsible for enhancing the shopping experience and developing new features for B2B customers.I collaborated closely with a team of Engineering, UX, Product Management, Business, and Analytics, which allowed me to deliver high-quality, user-centric features and enhancements.I contributed to shaping architectural decisions, ensuring scalability and efficiency, and providing technical leadership and mentorship to my team. My focus on operational excellence, performance, and resiliency contributed to the overall success and innovation of Walmart's iOS platform.Additionally, I worked on improving existing frameworks, enhancing mobile platform architecture, and driving continuous experimentation and innovation to meet the needs of Walmart customers.My dedication to high-quality code, timely delivery, and effective collaboration with cross-functional teams ensured the successful implementation of various features and projects.My key responsibilities at Walmart as a Senior iOS Developer:- Collaborated with Engineering, UX, Product Management, Business, and Analytics teams- Designed and implemented core app components for various shopping experiences- GQL Backend integration- Identified and resolved performance bottlenecks and software bugs- Ensured alignment with design and product teams for UI aesthetics- Wrote unit tests to ensure code functionality and scalability- Shaped architectural decisions for scalable and efficient solutions- Provided technical leadership and mentorship to team members- Contributed to mobile frameworks and developer tools- Enhanced mobile platform architecture with innovative approaches

Toronto, Ontario, Canada

As a vital contributor to the Clawee development team, a popular multi- platform app with over 600K monthly active users and a high App Store rating of 4.7 stars, my coding skills have not only been honed but elevated.As a team leader, I excelled in fostering a supportive, collaborative environment. My strong communication skills and technical acumen allowed me to explain complex concepts, helping to elevate the team's collective knowledge and expertise.My personal achievements at Gigantic were noteworthy. I improved the crash-free rate from 98.6% to 99.3%, refactored large modules into smaller components, converted Objective-C codebase to Swift and actively participated in developing new features.Outlined below is a snapshot of my daily responsibilities:- Leading a dynamic team of three individuals, promoting collaborative and innovative thinking- Conceptualizing, designing, and implementing core app components- Interacting with backend JSON/REST as well as external APIs and WebSockets- Proactively identifying and rectifying performance bottlenecks, and troubleshooting software bugs to maintain app reliability- Collaborating closely with the Quality Assurance QA Team during testing phases to ensure robustness and performance of the product- Liaising with design and product teams to ensure alignment with product vision and user interface aesthetics- Writing unit tests to verify the functionality, reliability, and scalability of the code- Managing App Store uploads

Kyiv, Kyiv City, Ukraine

At Octodev, my role as an iOS developer was instrumental in building a free, ad-less streaming music player app, enhancing my proficiency in memory management, app size reduction, multi-threading, and UI responsiveness.Key responsibilities included:- Developed an ad-less, free music streaming app- Implemented multi-threading for seamless music playback and responsive UI- Managed memory effectively, especially during song buffering- Collaborated to create custom UI components and animations- Handled backend interactions with robust error handling and retries- Promote an Agile team environment for effective collaboration and problem-solving- Provided customer support and troubleshooting to refine app functionality

Ukraine

At a German-Ukrainian startup focusing on fitness, I was deeply involvedin developing an iOS app designed to empower users with insightful dataabout their dietary habits and caloric intake. Additionally, it providedpersonalized recommendations to aid users in maintaining optimum healthand wellness.My daily responsibilities encompassed a range of activities:- Implementation of custom UI elements- Regular interaction with the backend systems- Diligent bug identification and rectification, contributing to the overall reliability and smooth operation of the app- Creation and maintenance of comprehensive documentation

Software Development

College Attestation Analog, 940 hours

Master'S Degree, Linguistics