Senior IT Core Banking Developer

Location: Athens, Attica, Greece

Department: Quento, Software Engineering

Workplace: hybrid

Description

At Quento Technologies S.A., the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth.

At Quento Technologies S.A. we empower our people to innovate and lead in delivering transformative ICT solutions to our clients worldwide. Our high-performing, dynamic, and collaborative environment fosters professional growth at every stage.

Quento Technologies S.A. seeks a highly motivated and experienced Senior IT Core Banking Developer to play a crucial role in maintaining and enhancing our client's central banking systems in Greece.

Your responsibilities will entail:

• Taking ownership of designing, developing, and maintaining mission-critical core banking applications;
• Engaging in the end-to-end software development lifecycle, from requirements gathering to support;
• Producing clear and detailed documentation for system architecture, functionality, and processes;
• Performing rigorous testing and data validation to ensure the absolute integrity of the systems;
• Efficiently troubleshooting and resolving complex software bugs and user-reported issues;
• Handling the integration of core banking platforms with other internal and external services;
• Collaborating closely with IT colleagues to maintain the stability, performance, and security of core systems;
• Ensuring that all activities and duties are carried out in full compliance with regulatory requirements and supporting the continued implementation of the Group Anti-Bribery and Corruption Policy.

Requirements

• Bachelor’s degree in Computer Science, Information Technology, or a similar field;
• Over 4 years of hands-on software development experience, specifically within core banking systems;
• In-depth knowledge of banking operations, financial products, and regulatory compliance;
• Strong analytical and problem-solving capabilities with a keen eye for detail;
• Excellent interpersonal and communication skills for effective collaboration with technical and non-technical stakeholders;
• Ability to thrive in a high-pressure environment and manage competing deadlines successfully;
• Technical Expertise:
• Proficiency in foundational programming languages such as COBOL, C, or Python;
• Hands-on experience with enterprise-level core banking software platforms like AS/400 or Z/OS;
• Additional Advantage:
• Familiarity with Linux environments will be considered a significant plus.

Benefits

Your Life @ Qualco Group
On top of challenging work environment, we are offering:

💸 Competitive compensation, ticket restaurant card, and annual bonus programs
💻 Cutting-edge IT equipment, mobile and data plan
🏢 Modern facilities, free coffee and beverages, indoor parking, and company bus
👨‍⚕ Private health insurance, onsite occupational doctor, and workplace counselor
🏝️ Flexible working model, hybrid benefits & home equipment benefits
🤸‍♂️ Onsite gym, wellness facilities, and ping pong room
💡 Career and talent development tools
🎓 Mentoring, coaching, personalized annual learning and development plan
🌱 Employee referral bonus, regular wellbeing, ESG and volunteering activities

Your race, gender identity and expression, age ethnicity or disability make no difference in Quento Technologies S.A. We want to attract, develop, promote, and retain the best people based only on their ability and behavior.

Disclaimer: Quento Technologies S.A. collects and processes personal data in accordance with the EU General Data Protection Regulation (GDPR). We are bound to use the information provided within your job application for recruitment purposes only and not to share these with any third parties. For more details on the processing of your personal data during the Recruitment procedure, please be informed in the Recruitment Notice, before the submission of your application.