inventYOU IT Consulting

Senior Core Banking Application Developer – Systems & Integrations

inventYOU IT Consulting

full-time

Posted on:

Location Type: Hybrid

Location: AthensGreece

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Job Level

Tech Stack

About the role

  • Design, develop, and maintain core banking applications
  • Participate in the full software development lifecycle, from requirements to production support
  • Implement enhancements and new features for mission-critical banking systems
  • Develop integrations between internal and external services
  • Perform testing, validation, and data integrity checks
  • Troubleshoot and resolve complex software issues and defects
  • Produce technical documentation for architecture, functionality, and processes
  • Collaborate with cross-functional IT and business teams
  • Ensure high standards of performance, security, and scalability
  • Contribute to continuous improvement of development practices and system quality

Requirements

  • Bachelor’s degree in Computer Science, Information Technology, or related field
  • 4+ years of software development experience in core banking or enterprise systems
  • Strong knowledge of banking operations and financial systems
  • Proficiency in COBOL, C, or Python
  • Experience with enterprise core banking platforms (AS/400 or z/OS)
  • Solid understanding of system integrations and data flows
  • Strong analytical and problem-solving skills
  • Experience working with structured SDLC processes
  • Fluency in English
Benefits
  • Contribute to the evolution of critical core banking systems
  • Work with modern engineering practices and experienced teams
  • Gain exposure to large-scale financial platforms
  • Hybrid working model with strong career growth opportunities
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
COBOLCPythonenterprise core banking platformsAS/400z/OSsoftware development lifecyclesystem integrationsdata flowstechnical documentation
Soft Skills
analytical skillsproblem-solving skillscollaborationcommunication
Certifications
Bachelor’s degree in Computer ScienceBachelor’s degree in Information Technology