iKnowHow Group is a dynamic, international technology company with 24+ years of experience and a team of 300+ talented professionals delivering innovative technology solutions across Energy, Telecommunications, Banking & Financial Services, and the Public Sector.
Through its specialized subsidiaries, it brings domain expertise in areas such as Health and Robotics-blending deep industry knowledge with advanced, future-ready technologies.
At its core, iKnowHow S.A. delivers end-to-end project development - both internal and client-facing - turning strategy into scalable, real-world solutions. Our portfolio spans Data & AI platforms, enterprise integration, cloud-native applications, and large-scale digital transformation initiatives, enabling leading organizations across the public and private sectors to evolve and grow.
We’re looking for curious, driven people who want to create impact through technology-and grow with us.
We are seeking an experienced Senior IBM BAW / ACE Engineer to strengthen the team within the context of system merger and optimization projects (optimization & transformation). The role focuses on workflow automation, system integrations, and API management in an enterprise banking environment.
Responsibilities
- Design and implement solutions in IBM Business Automation Workflow (BAW) for business processes and case management
- Develop and manage integrations using IBM App Connect Enterprise (ACE) (REST/SOAP APIs, messaging)
- Participate in system integration architecture (core banking, legacy systems, external services)
- Implement and manage the API lifecycle (design, exposure, governance)
- Optimize performance and handle troubleshooting in production environments
- Collaborate with business & IT stakeholders to analyze requirements and translate them into technical solutions
- Support migration / consolidation activities resulting from mergers
Requirements
- Bachelor's Degree in Computer Science, or related field
- 5+ years of experience in IBM BAW and IBM ACE / Integration Bus
- Strong knowledge of Java (Spring / enterprise development)
- Experience with REST / SOAP APIs, messaging (MQ, event-driven architectures and integration patterns)
- Understanding of enterprise architecture and banking environments
- Troubleshooting and production support
Benefits
- Career development and growth opportunities
- An amazing private & open-office workspace in Athens #LI-On-site
- Continuous training via personalized seminars
- Stable and enjoyable working environment

