# Khrystyna Sika

> Android Mobile Software Engineer

Location: London, England, United Kingdom
Profile: https://flows.cv/khrystynasika

𝗔𝗻𝗱𝗿𝗼𝗶𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with 10 years of experience in the development, design, and testing of Android applications.Throughout this journey, I have contributed to a wide range of projects, including assisting a 𝗵𝗲𝗮𝗹𝘁𝗵𝗰𝗮𝗿𝗲 𝘀𝘁𝗮𝗿𝘁𝘂𝗽 in bringing their product to market and collaborating with both product-based and outsourcing companies. My experience spans diverse industries such as 𝗲𝗻𝗲𝗿𝗴𝘆, 𝗿𝗲𝗮𝗹 𝗲𝘀𝘁𝗮𝘁𝗲, 𝘀𝗼𝗰𝗶𝗮𝗹 𝗺𝗲𝗱𝗶𝗮, and 𝘀𝗼𝗰𝗶𝗮𝗹 𝗻𝗲𝘁𝘄𝗼𝗿𝗸𝗶𝗻𝗴 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀. Ensured adherence to best coding practices, optimized legacy code, and implemented innovative functionalities to improve user experience and meet evolving business requirements.
𝙆𝙚𝙮 𝙧𝙚𝙨𝙥𝙤𝙣𝙨𝙞𝙗𝙞𝙡𝙞𝙩𝙞𝙚𝙨 𝙝𝙖𝙫𝙚 𝙞𝙣𝙘𝙡𝙪𝙙𝙚𝙙:
🔸 Focused on developing new features and refactoring existing ones.
🔸 Participation in project design and early-stage estimations.
🔸 Setting up application architecture and ensuring ongoing development and maintenance.Proficient in the Android framework with a strong command of third-party libraries, I bring a comprehensive skill set to deliver scalable, efficient, and user-focused mobile solutions.

𝘚𝘵𝘢𝘤𝘬: 𝗞𝗼𝘁𝗹𝗶𝗻  | 𝗝𝗮𝘃𝗮 | 𝗖𝗼𝗿𝗼𝘂𝘁𝗶𝗻𝗲 | 𝗙𝗹𝗼𝘄 | 𝗥𝘅𝗝𝗮𝘃𝗮 | 𝗗𝗮𝗴𝗴𝗲𝗿 𝟮 | 𝗛𝗶𝗹𝘁 | 𝗥𝗲𝘁𝗿𝗼𝗳𝗶𝘁 | 𝗞𝘁𝗼𝗿

Good knowledge of 𝗠𝗩𝗩𝗠 | 𝗠𝗩𝗣|  𝗠𝗩𝗜 | 𝗝𝗲𝘁𝗽𝗮𝗰𝗸 𝗖𝗼𝗺𝗽𝗼𝘀𝗲 | 𝗖𝗹𝗲𝗮𝗻 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲

## Work Experience
### Android Software Engineer @ ROUTE-LED GROUP LIMITED
Jan 2025 – Present | City Of London, England, United Kingdom
Developing navigation apps, specializing in Android Auto integration and Mapbox mapping.

Stack: Mapbox Navigation SDK,  Android Auto, Kotlin, MVVM, Clean architecture, Compose

### Android Software Engineer @ Freelance (Self employed)
Jan 2024 – Jan 2025 | Zagreb, Croatia
𝗧𝗵𝗲𝗺𝗲 𝗣𝗮𝗿𝗸 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻
Delivered an interface to pre-seat guests, accessible through manual selection and QR code scanning. Responsible for the enhancement of existing attractions and the integration of pre-seat functionality for several new attractions. 

Stack: 𝗖𝗼𝗺𝗽𝗼𝘀𝗲, 𝗗𝗮𝗴𝗴𝗲𝗿 𝟮, Kotlin

### Android Software Engineer @ Freelance (Self employed)
Jan 2024 – Jan 2024 | Zagreb, Croatia
𝗛𝗲𝗮𝗹𝘁𝗵𝗰𝗮𝗿𝗲 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻
Comprehensive application for a healthcare startup, helping clinics and patients monitor and manage vital signs. The product enables real-time tracking and alerts, enhancing patient care and promoting proactive health management.

Stack: 𝗖𝗼𝗺𝗽𝗼𝘀𝗲, 𝗛𝗶𝗹𝘁, 𝗚𝗿𝗮𝗽𝗵𝗤𝗟

### Android Software Engineer @ RigCLOUD
Jan 2019 – Jan 2024 | Lviv, Ukraine
𝗟𝗲𝗮𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿, 𝗥𝗶𝗴𝗖𝗟𝗢𝗨𝗗 𝗣𝗿𝗼𝗱𝘂𝗰𝘁 𝗳𝗼𝗿 𝘁𝗵𝗲 𝗘𝗻𝗲𝗿𝗴𝘆 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝘆
Spearheaded the development of RigCLOUD, a robust application designed to provide both customers and engineers with secure, real-time access to drilling data, reports, and analytics from any location. The platform includes multiple custom views, data caching for enhanced performance, and push notifications to ensure timely updates and insights.

Stack: WebView, 𝗙𝗶𝗿𝗲𝗯𝗮𝘀𝗲, 𝗥𝘅𝗝𝗮𝘃𝗮

### Android Software Engineer @ intive
Jan 2018 – Jan 2019 | Szczecin, West Pomeranian District, Poland
𝗩𝗮𝗰𝘂𝘂𝗺 𝗖𝗹𝗲𝗮𝗻𝗲𝗿 𝗔𝗽𝗽
Provided ongoing support and developed new features for an established vacuum cleaner application, enhancing functionality and user experience. Collaborated closely with cross-functional teams to identify user needs, improve app performance, and integrate innovative features to maintain the app’s competitiveness in the market.

Stack: 𝗠𝗩𝗩𝗠, 𝗔𝗻𝗱𝗿𝗼𝗶𝗱 𝗝𝗲𝘁𝗽𝗮𝗰𝗸, 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 𝗖𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁𝘀, 𝗗𝗮𝗴𝗴𝗲𝗿 𝟮, 𝗞𝗼𝗶𝗻, 𝗥𝗲𝘁𝗿𝗼𝗳𝗶𝘁, 𝗥𝗼𝗼𝗺

### Android Software Engineer @ KindGeek
Jan 2018 – Jan 2018 | Lviv, Ukraine
𝗦𝗲𝗮𝗿𝗰𝗵𝗶𝗻𝗴 𝗧𝗲𝗺𝗽𝗼𝗿𝗮𝗿𝘆 𝗟𝗼𝗰𝗮𝗹 𝗪𝗼𝗿𝗸𝗲𝗿𝘀
Designed and developed a platform enabling service providers to connect with local clients. The application features real-time worker availability, pricing details, customer ratings, and feedback to ensure transparency and enhance user experience.

Stack: 𝗞𝗼𝘁𝗹𝗶𝗻, 𝗠𝗩𝗜, 𝗟𝗶𝘃𝗲𝗗𝗮𝘁𝗮, 𝗗𝗮𝗴𝗴𝗲𝗿, 𝗥𝘅𝗝𝗮𝘃𝗮

### Android Software Engineer @ KindGeek
Jan 2018 – Jan 2018 | Lviv, Ukraine
𝗡𝗲𝘁𝘄𝗼𝗿𝗸𝗶𝗻𝗴 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺
Social networking platform tailored for a local university, fostering student engagement and collaboration. The application enables users to share ideas, communicate effectively, organize and join groups, and create and interact with posts.

Stack: 𝗞𝗼𝘁𝗹𝗶𝗻, 𝗠𝗩𝗣, 𝗗𝗮𝗴𝗴𝗲𝗿, 𝗥𝘅𝗝𝗮𝘃𝗮, 𝗚𝗹𝗶𝗱𝗲

### Junior Android Software Engineer @ EASYCORE
Jan 2017 – Jan 2018 | Lviv, Ukraine
𝗥𝗲𝗮𝗹 𝗘𝘀𝘁𝗮𝘁𝗲 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻
Developed a comprehensive solution for a real estate company, tailored to streamline operations and enhance client engagement. The product was designed to manage property listings, facilitate seamless communication between buyers and sellers, and optimize workflow efficiency.

Stack: 𝗞𝗼𝘁𝗹𝗶𝗻, 𝗠𝗩𝗜, 𝗥𝘅𝗝𝗮𝘃𝗮, 𝗨𝗻𝗶𝘁 𝘁𝗲𝘀𝘁𝘀

### Junior Android Software Engineer @ inVeritaSoft
Jan 2016 – Jan 2017 | Lviv, Ukraine
𝗠𝗲𝗱𝗶𝗮 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝘆 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻
Developed an innovative application for the media industry, designed to enhance audience engagement and interaction. Key features include:

🔸 Interactive functionality allowing users to influence the outcomes of their favorite TV shows.
🔸 Access to the latest news and exclusive behind-the-scenes video content from filming locations.
🔸 A rewards system where users earn points for their activity, which can be redeemed for discounts and gifts, fostering user loyalty and participation.

Stack: 𝗝𝗮𝘃𝗮, 𝗠𝗩𝗣, 𝗗𝗮𝗴𝗴𝗲𝗿, 𝗙𝗶𝗿𝗲𝗯𝗮𝘀𝗲, 𝗘𝘀𝗽𝗿𝗲𝘀𝘀𝗼

### Trainee Android Software Engineer @ ITCrystal
Jan 2016 – Jan 2016 | Lviv, Ukraine
𝗗𝗼𝗰𝘂𝗺𝗲𝗻𝘁 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻
Developed a solution to manage documents and instructions online by enabling users to upload files or scan QR codes, significantly reducing paper usage and streamlining access to information.

### Trainee Android Software Engineer @ ITCrystal
Jan 2016 – Jan 2016 | Lviv, Ukraine
𝗧𝗿𝗮𝘃𝗲𝗹 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻
Contributed to the creation of a platform offering detailed reviews and location-based pins, enhancing the travel experience through user-generated insights and easy navigation.

Stack: A𝗻𝗱𝗿𝗼𝗶𝗱 𝗦𝗗𝗞, 𝗠𝗮𝘁𝗲𝗿𝗶𝗮𝗹 𝗗𝗲𝘀𝗶𝗴𝗻, 𝗝𝗦𝗢𝗡, 𝗦𝗤𝗟𝗶𝘁𝗲, 𝗥𝗲𝘀𝘁 𝗔𝗣𝗜, 𝗚𝗹𝗶𝗱𝗲


## Education
### Master’s Degree in Applied Mathematics
Uzhhorod National University

### Information Technology
Drohobych Ivan Franko State Pedagogical Liceum


## Contact & Social
- LinkedIn: https://linkedin.com/in/khrystyna-sika

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Source: https://flows.cv/khrystynasika
JSON Resume: https://flows.cv/khrystynasika/resume.json
Last updated: 2026-04-05