Application Developer

22 hours ago

Athens, Attica, Greece IKNOWHOW SA Full time €60,000 - €80,000 per year

iKnowHow Group
is a leading Software & Robotics Solutions company operating internationally. Within just a couple of years, our team grew up more than 80%, we moved into a new spacious and modern office, and we kicked off 2025 with several new and exciting projects in digital transformation, custom software and robotics.

We are now looking for an experienced
z/OS
Application Developer
with strong technical skills and solid working experience to work in new challenging outsourced projects.

The ideal candidate will be responsible for designing, developing, maintaining, and troubleshooting software applications using the
IBM z/OS mainframe
operating system.

Your day will look like:

  • Participate in full software development lifecycle of an IT project
  • Design client & server-side architectures
  • Apply existing standards for programming, naming, security & performance and provide proper code documentation
  • Write clean, scalable code
  • Test and deploy applications and systems
  • Revise, update, refactor and debug code
  • Improve existing software
  • Act as technical consultant for the client

Requirements

  • Degree in Computer Science, Software Engineering, or a related field
  • Proven experience as an Application Developer (back-end preferred)
  • Willingness to learn application development in z/OS platform (if already not familiar)
  • Knowledge of programming languages such as C, Java, or Python
  • Experience with relational databases such as DB2 (preferred) and SQL Server
  • Solid understanding of object-oriented programming concepts
  • Familiarity with software development lifecycle methodologies (e.g., Agile, Waterfall)
  • Analytical thinking with problem-solving abilities
  • Strong written and verbal communication skills
  • Fulfilled military services obligations (if applicable)

Nice to have:

  • Proven experience of at least 1 year in AS400 or z/OS mainframe operating systems
  • Knowledge of API practices (RESTful), dependency injection
  • Experience with version control systems such as Git or SVN
  • Ability to communicate & cooperate efficiently with remotely located co-workers using collaboration tools (Microsoft Teams, Slack)
  • Experience from the banking and/or financial industry
  • Knowledge of Jira and Confluence tools

Benefits

  • An attractive salary package
  • Career development and growth opportunities
  • An amazing private & open-office workspace in Athens
  • Continuous training via personalized seminars
  • Stable and enjoyable working environment
  • Flexible hybrid working model

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