01/13/2026 updated
100 % available
Senior Software Engineer - Mobile & Embedded Systems Specialist
Bucharest, Romania
Only remote
BSc - Electronics & TelecommunicationsAbout me
Senior freelance software engineer with 15+ years of experience in mobile, embedded, automotive, and full-stack development. I deliver end-to-end solutions—from architecture to deployment—across startups and enterprise, working independently or with distributed teams.
C (Programming Language)Java (Programming Language)ArchitectureAutomotive IndustryAUTomotive Open System Architecture (AUTOSAR)Mobile Application DevelopmentCloud ComputingCommunications ProtocolsComputer ProgrammingDatabasesDatabase DesignDevOpsProgramming ToolsEmbedded SystemsLinux On Embedded Systems
Mobile Application Development
React Native, Android development with Java, iOS development via React Native, and cross-platform mobile solutions with modern frameworks
Embedded Systems & Automotive Software
Embedded Linux development, AUTOSAR implementation, automotive middleware, ESP32 programming, and safety-critical system components
Full-Stack Development & Cloud Technologies
Node.js backend development, MongoDB database management, REST API design, Docker containerization, and cloud-based solution deployment
Programming Languages
C, C++, Java, JavaScript, TypeScript, Python, and Bash scripting for diverse development environments
UI/UX Design & Development Tools
SquareLine Studio, Qt framework, LVGL graphics library, Rhapsody/RXF, GIMP, and FreeCAD for interface design
DevOps & System Administration
Linux system administration, Docker containerization, CI-friendly workflows, cross-compilation, and production deployment processes
Database & Backend Technologies
MongoDB database design, REST API development, cloud-based solutions, and backend architecture implementation
Security & Testing
SCRAM SHA-256 security implementation, software test library development, and hardware-level testing methodologies
Hardware & IoT Development
Raspberry Pi programming, ESP32 microcontroller development, automotive middleware, and CAN bus communication protocols
React Native, Android development with Java, iOS development via React Native, and cross-platform mobile solutions with modern frameworks
Embedded Systems & Automotive Software
Embedded Linux development, AUTOSAR implementation, automotive middleware, ESP32 programming, and safety-critical system components
Full-Stack Development & Cloud Technologies
Node.js backend development, MongoDB database management, REST API design, Docker containerization, and cloud-based solution deployment
Programming Languages
C, C++, Java, JavaScript, TypeScript, Python, and Bash scripting for diverse development environments
UI/UX Design & Development Tools
SquareLine Studio, Qt framework, LVGL graphics library, Rhapsody/RXF, GIMP, and FreeCAD for interface design
DevOps & System Administration
Linux system administration, Docker containerization, CI-friendly workflows, cross-compilation, and production deployment processes
Database & Backend Technologies
MongoDB database design, REST API development, cloud-based solutions, and backend architecture implementation
Security & Testing
SCRAM SHA-256 security implementation, software test library development, and hardware-level testing methodologies
Hardware & IoT Development
Raspberry Pi programming, ESP32 microcontroller development, automotive middleware, and CAN bus communication protocols
Experience
Professional experience5 - 10 years
Freelancer since2019
Languages
EnglishFluentFrenchGoodRomanianNative speaker
Project history
Designed and delivered Urban cross-platform iOS & Android application using bare React Native. Built a Dockerized Node.js backend with MongoDB, deployed as cloud-based solution. Implemented custom native modules, advanced UI components, and state management using React Hooks & Context API.
Designed and implemented embedded UI interfaces for ESP32 Tiger Mini devices. Used SquareLine Studio with LVGL to deliver performant, production-ready UIs.
Developed railway interlocking ESTW-ZE components for safety-critical systems. Implemented secure authentication SCRAM SHA-256 between iLBS and iUZP. Designed and implemented Field Element Controllers using Rhapsody/RXF.