Work with us

If you enjoy working in a fast-paced, driven, and high-performance work environment, MobiSystems is the place for you! As an equal-opportunity employer, we are proud of the people behind our products. MobiSystems is a friendly environment where employees are encouraged to speak up, challenge management, and contribute to the creative process of developing best-in-class mobile applications. We don’t merely accept innovation, we thrive off of it!

Available Positions

Senior C++ Developer - OfficeSuite Core Engine

Who are we?

MobiSystems is the company behind OfficeSuite and File Commander – top 10 Google Play Business apps. Our apps are installed on more than 300 million devices worldwide and preloaded on a range of mobile devices by Sony, ZTE, Alcatel, Amazon, Sharp, ACER, Huawei, Kyocera and many others.

MobiSystems is also the developer of OfficeSuite for Windows Desktop.

Currently we have ovеr 120 employees in our headquarters in Sofia. We also have offices in the US, China and UK.

What are we looking for?

OfficeSuite is available for 3 platforms - Android, iOS and Windows PC. These 3 platforms share a common engine - the "heart" of the product.

We are looking for a Senior C++ Engineer to join our 20-person team that builds the Core Engine of OfficeSuite.

Requirements:

  • At least 3 years’ experience in C++ (11 or later) software development;
  • Experience with building complex multi-threaded multi-platform libraries;
  • Strong analytical and problem solving skills;
  • M.Sc. or B.Sc. in Informatics, Computer Science or Engineering is a must;
  • Experience with Android, iOS or Windows PC development is an advantage;
  • Good understanding of English.

Advantages:

  • Experience in .NET/C# software development;
  • Knowledge of Windows Presentation Foundation framework (WPF).

What do we offer?

  • Work at the Headquarters of a product company and have a say in the direction of its products;
  • You will be joining an incredibly cutting edge team who are in the throes of some highly; innovative research and development projects;
  • Write complex high-quality code that will be used by millions of users around the world;
  • A lot of autonomy, flexible working time, no overtime and no artificial deadlines;
  • Multiple secondary benefits: additional health insurance, sport cards, great location, etc.
  • Very competitive annual compensation – 50.000 – 150.000 BGN.
If you are interested, please send your CV to jobs@mobisystems.com. Only short-listed candidates will be contacted.
Junior C++ Developer - OfficeSuite Core Engine

Who are we?

MobiSystems is the company behind OfficeSuite and File Commander – top 10 Google Play Business apps. Our apps are installed on more than 300 million devices worldwide and preloaded on a range of mobile devices by Sony, ZTE, Alcatel, Amazon, Sharp, ACER, Huawei, Kyocera and many others.

MobiSystems is also the developer of OfficeSuite for Windows Desktop.

Currently we have ovеr 120 employees in our headquarters in Sofia. We also have offices in the US, China and UK.

What are we looking for?

OfficeSuite is available for 3 platforms - Android, iOS and Windows PC. These 3 platforms share a common engine - the "heart" of the product.

We are looking for a Junior C++ developer to join our 20-person team that builds the Core Engine of OfficeSuite.

Requirements:

  • Experience with C++
  • Strong analytical and problem solving skills
  • Good understanding of English
  • Strong communication skills & willingness to work in a team
  • M.Sc. or B.Sc. in Informatics, Computer Science, Engineering or equivalent will be considered as an advantage. Last year students are welcome.
  • Experience in Android, iOS or Windows Mobile development will be considered as an advantage
What do we offer?

  • Ability to present your ideas in a truly flat organization: one that gives you equal chances with experienced colleagues
  • Starting net salary 1500 BGN;
  • Access to the latest technologies and devices;
  • Stable and long term contract;
  • A young and friendly team to work in;
  • Multiple secondary benefits: additional health insurance, sport cards, extra days off, home office, etc.;
  • A great location – right next to a metro station, Paradise Center and the best park in Sofia.
If you are interested, please send your CV to jobs@mobisystems.com. Only short-listed candidates will be contacted.
Senior .NET Developer - OfficeSuite

Who are we?

MobiSystems is the only Bulgarian company that creates and sells its own mobile apps since 2001. It is the company behind OfficeSuite and File Commander – two of the Top 10 apps from the Google Play Business category. These apps have been installed on more than 300 million devices in 197 countries. MobiSystems is also the creator of UBReader - an electronic book reader with more than 5 million downloads.

We co-operate with leading mobile device manufacturers to deliver productivity solutions directly to mobile users. Our manufacturing partners include: Sony, Acer, Alcatel, Amazon, Sharp, Toshiba, Huawei, and Kyocera, all of whom preload OfficeSuite on their mobile products. 

Currently we have over 120 employees in our Headquarters in Sofia. We also have offices in the US, China and UK.

We are actively looking to hire a Senior .NET Developer in our Sofia office to join the team that builds OfficeSuite for Windows.

Requirements: 

• At least 4 years of experience in .NET/C# software development;
• Proficient in fundamental algorithms and data structures;
• Good understanding of multi threading programming and asynchronous code;
• Degree in Informatics, Computer Science, Engineering or equivalent;
• Strong communication skills & willingness to work in a team;
• Strong analytical and problem solving skills;
• Good understanding of English;
• Living in Sofia or willing to relocate. 

Advantages:

• Knowledge of Windows Presentation Foundation framework (WPF);
• C++ professional experience will be considered a significant advantage;

Responsibilities:

• Produce top quality code;
• Work closely with product managers and stakeholders to refine requirements;
• Work closely with engineering team members to improve product architecture while maintaining its integrity;
• Support and coach junior engineers. 

What do we offer? 

• Competitive remuneration package and benefits;
• Stable full time contract with development opportunities;
• The opportunity to build something that millions of people see and use every day;
• Friendly working environment in a team of highly motivated people;
• Work at the Headquarters of a product company and have a say in the direction of its products;
• A lot of autonomy, flexible working time, no overtime and no artificial deadlines;
• Multiple secondary benefits: additional health insurance, sport cards, extra days off, home office, etc.;
• A great location – right next to a metro station, Paradise Center and the best park in Sofia;
• Very competitive annual compensation – 50.000 – 150.000 BGN.

If you are interested, please send your CV to jobs@mobisystems.com. Only short-listed candidates will be contacted.

Senior Android Developers – Media365

Who are we?

MobiSystems (Mobile Systems) is the only Bulgarian company that creates and sells its own mobile apps since 2001. It is the company behind OfficeSuite and File Commander – two of the Top 10 apps the Google Play Business category. These apps have been installed on more than 300 million devices.
MobiSystems is also the creator of the Media365 platform for publishing and reading e-books: https://www.media365.com
Currently we have over 120 employees in our Headquarters in Sofia.

What are we looking for?

The Media365 Book Reader app for Android (a.k.a. UBReader) is part of the overall platform and already has over 5 million downloads - https://play.google.com/store/apps/details?id=com.mobisystems.ubreader_west
We are looking for two Senior Android Java/Kotlin developers to join the team that is enhancing the Android application with the many new features planned for it.


Requirements:

  • 5+ years of experience with Android development of apps with complex UX requirements
  • Proven ability to quickly comprehend and evolve an existing code base in a practical manner
  • Strong OOP skills, good understanding of Clean Architecture and SOLID principles
  • Sc. or B.Sc. in Informatics, Computer Science, Engineering or equivalent
  • Good understanding of English
  • Living in Sofia or willing to relocate

Technologies & Tools used:

  • Java, Clean Architecture based on Android Architecture Components (the full stack) and Dagger 2, Databinding, Retrofit 2, Firebase, Crashlytics, AdMob, АndroidX and, in the near future - Kotlin
  • Bitbucket, Bamboo, JIRA (Kanban), Zeplin

What do we offer?

  • Very competitive annual compensation – 100.000 BGN
  • Work at the Headquarters of a product company and create a new product for the global market
  • A work-environment with flexible working time, no overtime and no artificial deadlines
  • Multiple secondary benefits: additional health insurance, sport cards, extra days off, etc.
  • A great location – right next to a metro station, Paradise Center and the best park in Sofia

Yesterday we created the leading apps of today. Today we’re creating the leading apps of tomorrow. 

If you are interested, please send your CV to jobs@mobisystems.com. Only short-listed candidates will be contacted.

Senior iOS Developers – Media365

Who are we?

MobiSystems (Mobile Systems) is the only Bulgarian company that creates and sells its own mobile apps since 2001. It is the company behind OfficeSuite and File Commander – two of the Top 10 apps the Google Play Business category. These apps have been installed on more than 300 million devices.
MobiSystems is also the creator of the Media365 platform for publishing and reading e-books: https://www.media365.com
Currently we have over 120 employees in our Headquarters in Sofia.

What are we looking for?

The Media365 Book Reader app for iOS is part of the overall platform and has just been released in the summer of 2018: https://itunes.apple.com/us/app/media365-book-reader/id1370798836 
We are looking for two Senior iOS Swift developers to join the team that is enhancing this application with the many new features planned for it.

Requirements:

  • 5+ years of experience with iOS development of apps with complex UX requirements
  • Proven ability to quickly comprehend and evolve an existing code base in a practical manner
  • Strong OOP skills, good understanding of Clean Architecture and SOLID principles
  • M.Sc. or B.Sc. in Informatics, Computer Science, Engineering or equivalent
  • Good understanding of English
  • Living in Sofia or willing to relocate

Technologies & Tools used:

  • Swift, Clean Architecture based on VIPER, REST, Alamofire, Firebase, Google APIs, Crashlytics, AdMob
  • Bitbucket, Bamboo, JIRA (Kanban), Zeplin

What do we offer?

  • Very competitive annual compensation – 100.000 BGN
  • Work at the Headquarters of a product company and create a new product for the global market
  • A work-environment with flexible working time, no overtime and no artificial deadlines
  • Multiple secondary benefits: additional health insurance, sport cards, extra days off, etc.
  • A great location – right next to a metro station, Paradise Center and the best park in Sofia

Yesterday we created the leading apps of today. Today we’re creating the leading apps of tomorrow. 

If you are interested, please send your CV to jobs@mobisystems.com. Only short-listed candidates will be contacted.

Senior Full Stack PHP developers – Media365

Who are we?

MobiSystems (Mobile Systems) is the only Bulgarian company that creates and sells its own mobile apps since 2001. It is the company behind OfficeSuite and File Commander – two of the Top 10 apps the Google Play Business category. These apps have been installed on more than 300 million devices.
MobiSystems is also the creator of the Media365 platform for publishing and reading e-books: https://www.media365.com
Currently we have over 120 employees in our Headquarters in Sofia.

What are we looking for?

We are looking for two Senior Full Stack PHP developers to join the team working on the WEB part of the Media365 platform. 

Requirements:

  • 5+ years of experience with developing server-side applications with PHP, Symfony, MySQL, AppEngine (Google Cloud Platform) or AWS, REST APIs
  • Strong analytical and problem solving skills
  • Ability to work in a small agile team and quickly iterate and deliver features
  • M.Sc. or B.Sc. in Informatics, Computer Science, Engineering or equivalent
  • Living in Sofia or willing to relocate

What do we offer?

  • Very competitive annual compensation – 100.000 BGN
  • No legacy code! Only up to date technologies – PHP 7.2, Symfony 4.1, MySQL 5.7, React 16.x, TypeScript, Docker, GCP, BigQuery
  • Work at the Headquarters of a product company and create a new product for the global market
  • A work-environment with flexible working time, no overtime and no artificial deadlines
  • Multiple secondary benefits: additional health insurance, sport cards, extra days off, etc.
  • A great location – right next to a metro station, Paradise Center and the best park in Sofia

Yesterday we created the leading apps of today. Today we’re creating the leading apps of tomorrow. 

If you are interested, please send your CV to jobs@mobisystems.com. Only short-listed candidates will be contacted.

Service Desk Officer - OfficeSuite iOS

For 17 years MobiSystems is the only Bulgarian company that creates and sells mobile applications. We are the company behind two of the Top 10 apps in the Google Play Business category - OfficeSuite and File Commander. Our apps have been installed on more than 300 million devices worldwide.
Currently, we have over 120 employees in our Headquarters in Sofia. 

What are we looking for?

As our team is growing, we are looking for a Service Desk Officer to provide technical support by e-mail for our award-winning app - OfficeSuite for iOS. 

 Responsibilities:

  • Provide quality technical support to customers via Service desk
  • Handle customer complaints, provide appropriate solutions and alternatives within the time limits by e-mail
  • Resolve technical issues by applying advanced troubleshooting techniques and analysis
  • Escalate urgent problems requiring more in-depth analysis of company software products
  • Ensure that all relevant communication, documents, and files related to the case are accurately archived in the support system
  • Meet predetermined targets and represent the company in a professional manner
  • Help with customer retention and contribute recommendations for improving our product and processes

Requirements:

  • Enthusiastic team player with a passion for technology and customer service
  • At least 1 year of experience
  • Highly proficient in English (CAE, CPE or equivalent)
  • Experience with remote troubleshooting and multi-channel support
  • Excellent computer literacy with good knowledge of MS Office
  • Look for innovative ways to improve the product's usability and customer experience
  • Ability to multi-task, prioritize, and manage time effectively
  • Excellent verbal and written communication skills

 Considered an advantage:

  • University degree in IT or Marketing
  • Previous experience with mobile app stores
  • Knowledge of foreign languages

Benefits:

  • A lot of autonomy and access to the latest devices and technologies
  • A positive work environment with flexible working time
  • A great location – right next to a metro station, Paradise Center and the best park in Sofia
  • Minimum starting salary – 2000 BGN (net) 
  • Secondary benefits: health insurance, multisport card, home office, extra days off, etc.

Yesterday we created the leading apps of today. Today we are creating the leading apps of tomorrow.

If you are interested, please send your CV to jobs@mobisystems.com. Only short-listed candidates will be contacted.