Nikolay

Nikolay Dimitrov
Senior Mobile App Developer
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) Sofia, Bulgaria

Summary

Senior Mobile App Developer with 10+ years of experience building high-performance mobile applications and cross-platform solutions
for enterprise platforms and operational tools. Specialized in React Native and Flutter with strong expertise in mobile architecture, API
integration, offline data synchronization, and performance optimization. Experienced collaborating with backend teams to deliver
scalable mobile solutions integrated with cloud infrastructure and enterprise systems. Proven ability to design reliable mobile
applications used by operations teams and business users in production environments.

Skills

Mobile Development Programming Languages
React Native, Flutter, iOS, Android JavaScript, TypeScript, Dart, Python, Java

Mobile Architecture UI & Styling
Cross-Platform Development, Mobile UI Architecture, State Management, Offline- React Native UI, Tailwind CSS, Material UI, Responsive
First Applications Mobile Layouts

Backend & APIs Data & Storage
REST APIs, GraphQL APIs, Mobile API Integration SQLite, DynamoDB, PostgreSQL, Offline Data Sync

Cloud & DevOps Tools
AWS (Lambda, ECS, EKS, API Gateway, S3), Docker, CI/CD Pipelines Git, GitHub Actions, GitLab CI/CD, Firebase, Figma

Professional Experience

Senior Mobile App Developer, Vector Software Ltd 03/2020–03/2026
Oslo, Norway
Developed cross-platform mobile applications using React Native that enabled operations teams to access enterprise
(Remote)
platform data from mobile devices.
Built mobile interfaces allowing users to monitor analytics workflows, operational metrics, and system alerts from field
environments.
Implemented offline-first mobile features using local SQLite storage, allowing users to access and update operational
data without network connectivity.
Built background synchronization services that synced mobile data with backend services hosted on AWS.
Integrated mobile applications with backend APIs built with NestJS, Spring Boot, and Django, enabling secure access
to enterprise platform data.
Implemented secure authentication and API communication between mobile clients and backend services.
Developed mobile interfaces enabling users to search operational datasets using Elasticsearch-powered APIs.
Built dynamic mobile UI components for viewing analytics summaries and operational dashboards.
Implemented mobile workflows integrated with DynamoDB and AWS services, enabling background data processing
and cloud synchronization.
Optimized mobile app performance through improved state management and efficient API data handling.
Implemented monitoring and logging to improve reliability of mobile operations tools.

Mobile App Developer, DevOcean Solutions 09/2016-02/2020
Sofia, Bulgaria
Developed mobile-friendly interfaces and cross-platform applications supporting enterprise business management
(On-Site)
platforms.
Built mobile applications that allowed business users to access project planning data, operational metrics, and internal
dashboards.
Implemented mobile applications using React Native and Flutter, enabling deployment across iOS and Android
platforms.
Developed mobile dashboards displaying project planning and operational data integrated with enterprise backend
systems.
Built mobile clients that integrated with backend APIs providing access to authentication services, reporting tools, and
business data.

Implemented responsive UI layouts optimized for multiple device sizes and improved mobile usability.

Junior Developer, Devision 09/2014–08/2016
Sofia, Bulgaria
Contributed to development of mobile-responsive web and hybrid applications supporting enterprise websites and
(On-Site)
digital platforms.
Built mobile-compatible features for municipal platforms including the Flyt til Varde relocation platform used by Varde
Municipality.
Developed UI components and mobile-responsive features for platforms such as Coding Pirates, supporting event and
community engagement systems.
Implemented responsive interfaces ensuring consistent functionality across mobile and desktop environments.

Education

Technical University of Sofia 2012–2014
Master's Degree - E-Management
Technical University of Sofia 2007 – 2013
Bachelor's Degree - Computer Science
Technical School ELSYS, Sofia 2002 – 2007
IT Specialist - Computer Software Engineering

Languages

English Bulgarian
German