For client, STRATOS announces open Software Development Positions
All candidates should be fluent in English and already have at least a couple of year of experience in software development.
Location, Banjaluka, Republika Srpska, Bosnia and Herzegovina

All CV-s shoud be sent to sinisa.pepic@stratoservices.com

Frontend Web (one position)
We are looking for a Front-End Web Developer who is motivated to combine design with programming. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.
RESPONSIBILITIES
• Develop responsive user-facing features
• Build reusable code and libraries for future use
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
PROFILE
• Proficient understanding of web markup, including HTML5, CSS3
• Understanding of server-side CSS pre-processing platforms, such as LESS and SASS
• Good understanding of Angular 2 or React JS
• Proficient understanding of client-side JavaScript frameworks, e.g. jQuery
• Good understanding of asynchronous request handling and AJAX
• Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as as Gimp or Photoshop is a plus.
• Proficient understanding of cross-browser compatibility issues
• Proficient understanding of code versioning tools, such as Git
• Nice to have: experience with the Ionic framework

Frontend iOS (one position)
We are looking for an iOS developer responsible for the development and maintenance of applications aimed at a range of iOS devices including mobile phones and tablet computers. Your primary focus will be development of iOS applications and their integration with back-end services.
RESPONSIBILITIES
• Design and build applications for the iOS platform
• Ensure the performance, quality, and responsiveness of applications
• Collaborate with a team to define, design, and ship new features
• Identify and correct bottlenecks and fix bugs
• Help maintain code quality, organization, and automatization
PROFILE
• Proficient with Objective-C or Swift
• Experience with iOS frameworks such as Core Data, Core Animation, etc.
• Experience with offline storage, threading, and performance tuning
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Familiarity with Websockets
• Understanding of Apple’s design principles and interface guidelines
• Knowledge of low-level C-based libraries is preferred
• Familiarity with performance and memory tuning with tools
• Familiarity with cloud message APIs and push notifications
• Knack for benchmarking and optimization
• Proficient understanding of code versioning tools such as Git
• Familiarity with continuous integration

Frontend Android (one position)
We are looking for an Android developer responsible for the development and maintenance of applications aimed at a vast number of diverse Android devices. Your primary focus will be the development of Android applications and their integration with back-end services.
RESPONSIBILITIES
• Translate designs and wireframes into high quality code
• Design, build, and maintain high performance, reusable, and reliable Java code
• Ensure the best possible performance, quality, and responsiveness of the application
• Identify and correct bottlenecks and fix bugs
• Help maintain code quality, organization, and automatization
PROFILE
• Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
• Familiarity with RESTful APIs to connect Android applications to back-end services
• Strong knowledge of Android UI design principles, patterns, and best practices
• Experience with offline storage, threading, and performance tuning
• Ability to design applications around natural user interfaces, such as “touch”
• Familiarity with the use of additional sensors, such as gyroscopes and accelerometers
• Knowledge of the open-source Android ecosystem and the libraries available for common tasks
• Familiarity with cloud message APIs and push notifications
• A knack for benchmarking and optimization
• Understanding of Google’s Android design principles and interface guidelines
• Proficient understanding of code versioning tools, such as Git
• Familiarity with continuous integration

Senior Backend Engineer (one position)
We are looking for a Back-End Web Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your coworkers into the application. A basic understanding of front-end technologies is therefore necessary as well.
RESPONSIBILITIES
• Integration of user-side elements developed by a front-end developers with server side logic
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability
• Implementation of security and data protection
• Design and implementation of data storage solutions
PROFILE
• Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3
• Proficient experience of Javascript and Node.js
• Proficient experience with relational databases such as MySQL and postgreSQL
• Good understanding of server-side CSS preprocessors, such as LESS and SASS
• Understanding accessibility and security compliance
• Familiarity with Websockets
• User authentication and authorization between multiple systems, servers, and environments
• Integration of multiple data sources and databases into one system
• Management of hosting environment, including database administration and scaling an application to support load changes
• Data migration, transformation, and scripting
• Setup and administration of backups
• Outputting data in different formats
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Proficient understanding of code versioning tools, such as Git