Kristijan J.

About Me

A software engineer and a mobile enthusiast who specializes in Android mobile apps and writing both UI and app architecture. Mainly experienced in building large and security sensitive applications. Being tenacious, problem solver and eagerness to learn are his biggest strengths. <br>Likes creating and optimizing app architecture for best performance. Welcomes the opportunity to take up new challenges and problems which have to be solved. Also enjoys implementing app feature based on design.<br>Feels that the apps are the real reflection of his performance as a developer and thus tends to do his best as a satisfied client is a client who’ll bring more work.

Workflow

Other

Work history

UpStack
UpStack
Senior Software Engineer
2018 - Present (7 years)
Remote
  • Creating and developing innovative software solutions for clients across a broad range of industries.

Infinum
Infinum
Android Team Lead/Android Developer
2014 - 2017 (3 years)
Zagreb, Croatia
  • Produced clean codes for a set of mobile banking products with high security through unit tests, automation and code reviews.

  • Ensured smooth integration with client backend services using RESTful APIs to deliver a great mobile user experience that is super fast for end users.

  • Wrote the mHPB application which won 2 country awards for best tech solution in 2016 and 2017.

Interactive 1 Zagreb
Interactive 1 Zagreb
Software developer
2012 - 2014 (2 years)
Zagreb, Croatia
  • Worked with other IT staff to set and develop technical specifications for Android development within the company.

  • Developed and implemented software features by writing bug free and maintainable application codes.

  • Set the standards for Android development in the company through planning and implementing server upgrades, maintenance fixes and vendor-supplied patches.

Superius Ltd
Superius Ltd
Software Developer
2010 - 2012 (2 years)
Pula, Croatia
  • Created new database objects by migrating reporting solutions from MS SQL report builder to a PostgreSQL database with Pentaho BI.

  • Conducted software development activities for clients using SQL Server and other Microsoft oriented platforms, tools, and technologies.

  • Drove continuous improvements and efficiency in database administration and migration.

Showcase

Lead Android Developer, Infinum, mHPB – Croatian Postal bank
Lead Android Developer, Infinum, mHPB – Croatian Postal bank
  • mHPB is a personal finance tool for mobile devices.

  • It offers 24/7 access to essential banking information.

  • The application aims to reduce costs associated with bank transactions.

Lead Android Developer, Infinum, Erste mBanking
Lead Android Developer, Infinum, Erste mBanking
  • Erste mBanking is Erste Bank's mobile banking service.

  • It enables customers to carry out financial transactions using smartphones.

  • The unified payment screen simplifies payments.

Lead Android Developer, Infinum outsourced by TamTam, Oxxio
Lead Android Developer, Infinum outsourced by TamTam, Oxxio
  • An Android app for the Netherlands energy company Oxxio to track energy bills and spent energy.

  • The app supports both smart and traditional meters, catering to both customers and non-customers.

  • The app is designed for widespread use across Oxxio's network, regardless of customer status.

Lead Android Developer, Infinum outsourced by TamTam, Trucker
Lead Android Developer, Infinum outsourced by TamTam, Trucker
  • Trucker provides a real-time view of available parking spaces.

  • The app simplifies the process of finding free parking for truck drivers.

  • Trucker offers safety features like dangerous situation alerts and weather updates.

Lead Android developer, Infinum outsourced by TamTam, Pasta Maestro
Lead Android developer, Infinum outsourced by TamTam, Pasta Maestro
  • The app facilitates cooking various Italian meals.

  • It includes recipes, fun facts, and stories to enhance the user experience.

  • The app offers a shopping list and direct supermarket purchasing options.

Education

Education
Completed credits towards a bachelor's degree in Business Informatics
University of Juraj Dobrila, Faculty of Economics