Stefan Chiorescu

Senior Android Engineer

Stefan Chiorescu
Bucharest, Romania

Experience

Mar 2024 - Present
1 year 11 months

Senior Android Engineer

Printec Group

  • I entered the Fintech field by joining the core team that builds the framework which holds the base for all major products.
  • The perspective of the code is completely different as there is no room for mistake in the backbone of all mobile products.
  • Even though security and app stability are a must, the team was already keeping an eye on Android latest tech stack and some of them were already used.
  • I am excited to work on products that exceed the mobile phones universe and I embrace the challenge of building flexible and robust applications while maintaining stability and security at maximum level.
Oct 2023 - Mar 2024
6 months

Senior Android Engineer

Zitec

  • I joined Zitec for a fresh new project in the medical field and created the project from scratch, determining every technical aspect including architecture, coding principles and standards, libraries, project structure and design patterns.
  • It is a challenge in the forever changing mobile development field to come up with the right approach based on the project type, client needs and timeline.
  • We opted for a modern tech stack including Jetpack Compose, Material3, MVVM+, Clean Architecture, Retrofit, Moshi, Hilt, Coroutines, Flows and Room.
Mar 2021 - Aug 2023
2 years 6 months

Android Engineer

Sliide

  • I became part of Sliide’s Android development team as my first contract role and was welcomed by a cool, diverse and dynamic team.
  • I really like the company's ambitions, goals and overall continuous growth.
  • Developed a range of projects, including SDKs and user-facing applications, showcasing strong versatility in Android engineering.
  • Successfully implemented entire features from inception to completion, demonstrating proficiency in delivering high-quality work.
  • Contributed expertise to firmware-level applications, developing robust and efficient software systems.
  • Utilized MVVM and MVI design patterns to architect scalable and maintainable codebases, enhancing development efficiency.
  • Actively embraced emerging technologies by transitioning XML-based components to Jetpack Compose, driving innovation and improving app usability.
Nov 2020 - Present
5 years 3 months

Member

baza7

  • I joined baza7 as one of the fastest growing community of freelancers.
  • Learning about the goals of the community and the unique and concise yet very well structured way of achieving my own made me even more eager to evolve in different ways, beyond pure technical skills.
  • Becoming a member made me take a huge step forward.
Mar 2019 - Mar 2021
2 years 1 month

Android Developer

Avira Romania

  • I transitioned to development by writing unit tests for current features and gradually took on more difficult tasks including redesigning and creating features.
  • Experimented with technologies such as Coroutines, LiveData and different types of layouts using Kotlin as the main programming language.
  • Contributed on several projects:
  • Avira Antivirus 2021: Redesigned or created features using the MVVM architectural pattern with LiveData, Coroutines, Room, OkHttp, ViewModel and Material Design Components.
  • Avira Home Guard: Worked on device discovery and networking protocols implementation.
  • SafeThings: Implemented communication between the application and the router.
Nov 2017 - Feb 2019
1 year 4 months

Mobile QA Automation Engineer/DevOps Engineer

Avira Romania

  • Joined Avira’s Mobile Unit as Mobile QA Automation Engineer, switching from Appium and Java to Espresso and Kotlin.
  • Created UI automation tests and integration tests for Avira’s main applications.
  • Developed a CI/CD framework from scratch using Bamboo and utilized Docker for scalability and mobility.
  • Engaged in the full process of creating a leading security application.
May 2016 - Nov 2017
1 year 7 months

QA Automation Engineer

American Greetings

  • Joined the QA Automation team to create and maintain automation scripts for the framework using Python, Selenium and Sauce Labs.
  • Collaborated directly with the development team and started creating an automation framework for mobile applications using Appium and Java.
  • Learned a lot about teamwork and responsibility and discovered a passion for mobile platforms.

Summary

As a Senior Android Engineer, I developed a range of projects, including SDKs and user-facing applications, showcasing my strong versatility and proficiency in Android engineering. I successfully implement entire features from inception to completion, delivering high-quality work that meets the client's expectations and requirements. I also contribute to firmware-level development, using my knowledge of Android Jetpack and Kotlin Coroutines to optimize performance and functionality.

I have 7 years of experience working in the engineering and technology fields, spanning from testing to deploying to developing. I have worked for companies like American Greetings, Avira and Sliide, where I helped with increasing test coverage, creating CI/CD pipelines, automating and optimizing processes, and adding new features to existing products. I am always eager to learn new skills and technologies, and to evolve in different ways beyond pure technical skills. I enjoy responsibility and accountability, as I always take ownership over my work. I value collaboration and contribution, as I work well with diverse and dynamic teams, and I support the company's ambitions and goals.

Skills

  • Model-view-viewmodel (Mvvm)
  • Kotlin Coroutines
  • Mobile Application Development

Languages

Romanian
Native
English
Advanced

Education

Oct 2013 - Jun 2018

Polytechnic University of Bucharest

Electronics, Telecommunications and Information Technology · Bucharest, Romania

Oct 2009 - Jun 2013

Al. I. Cuza Theoretical High School

Mathematics and Computer Science · Romania

Certifications & licenses

Ccna 1 Exploration - Network Sliide

Ccna 2 Exploration - Routing Protocols And Concepts

Ccna 3 Routing & Switching - Scaling Networks

Ccna 4 Routing & Switching - Connecting Networks

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