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 are now looking for a talented Senior Backend & Cybersecurity Integration Developer to join our internal team.
Responsibilities:
- Design and development of backend services and microservices for cybersecurity applications
- Development of REST APIs and event-driven interfaces between SIEM, SOAR, AI/ML and external systems
- Integration with SIEM platforms, including security-event ingestion, parsing, normalization, enrichment and incident interfaces
- Integration with SOAR platforms, including incidents/cases, playbooks, response workflows and enforcement connectors
- Implementation of the Cyber Incident Package (CIP) interface between the security analytics and response domains
- Implementation of response and enforcement APIs for network, IAM, security and platform controls
- Development of services supporting incident management, response orchestration, execution tracking and response verification
- Integration of AI/ML analytical outputs such as anomaly scores, behavioral indicators, threat classifications and confidence scores into operational workflows
- Implementation of secure service-to-service communication, authentication, authorization and audit mechanisms
- Development of connectors/adapters for heterogeneous cybersecurity and infrastructure systems
- Contribution to system architecture, API specifications, data models, automated testing, integration testing and technical documentation
- Collaboration with cybersecurity engineers, AI/ML engineers, system architects and other European project partners
Requirements
- Degree in Computer Science, Software Engineering, Computer Engineering or a related field
- At least 4 years of Java/Spring boot development experience
- Experience designing and implementing RESTful APIs
- Experience with microservices and distributed systems
- Good understanding of event-driven architectures and asynchronous messaging
- Experience with relational and/or NoSQL databases
- Experience with Docker and Linux environments
- Familiarity with authentication and authorization technologies such as OAuth 2.0, OpenID Connect, JWT and PKI/certificates
- Understanding of cybersecurity concepts including security events, alerts, incidents, logs, network security and access control
- Good written and spoken English
Experience in one or more of the following areas will be considered a strong advantage:
- SIEM technologies
- SOAR platforms and security orchestration/playbook development
- Kafka, RabbitMQ or equivalent messaging/event-streaming technologies
- Elasticsearch / OpenSearch
- IDS/IPS/NDR technologies and integration with security telemetry
- Threat Intelligence and standards such as STIX/TAXII
- Cybersecurity frameworks such as MITRE ATT&CK
- Integration with IAM, firewall, network-management or endpoint-security APIs
- Kubernetes
- DevSecOps and CI/CD pipelines
- AI/ML integration in production systems
- Defence, C4ISR, mission-critical or EU research projects
Benefits
- An attractive salary package
- Private health insurance plan
- Career development and growth opportunities
- Continuous training via personalized seminars
- An amazing private & open-office workspace in Athens #LI_Hybrid
- Stable and enjoyable working environment
Skills Required
- Degree in Computer Science, Software Engineering, Computer Engineering, or a related field
- At least 4 years of Java and Spring Boot development experience
- Experience designing and implementing RESTful APIs
- Experience with microservices and distributed systems
- Understanding of event-driven architectures and asynchronous messaging
- Experience with relational and/or NoSQL databases
- Experience with Docker and Linux environments
- Familiarity with OAuth 2.0, OpenID Connect, JWT, and PKI/certificates
- Understanding of cybersecurity concepts, including security events, alerts, incidents, logs, network security, and access control
- Good written and spoken English
- Experience with SIEM technologies
- Experience with SOAR platforms and security orchestration/playbook development
- Experience with Kafka, RabbitMQ, or equivalent messaging technologies
- Experience with Elasticsearch or OpenSearch
- Experience with IDS/IPS/NDR technologies and security telemetry integration
- Experience with threat intelligence and STIX/TAXII
- Experience with MITRE ATT&CK or similar cybersecurity frameworks
- Experience integrating IAM, firewall, network-management, or endpoint-security APIs
- Experience with Kubernetes
- Experience with DevSecOps and CI/CD pipelines
- Experience integrating AI/ML into production systems
- Experience in defense, C4ISR, mission-critical, or EU research projects
What We Do
iKnowHow is a Greek technology firm based in Athens and currently employing more than 120 engineers and IT professionals. The company was founded in 2002 and has since grown rapidly holding nowadays a significant market share in Greece, Cyprus and Europe. For almost two decades, the company has been offering a wide range of tailor made software solutions and specialized ICT strategy consulting services as well as building complex enterprise applications with emphasis on Digital Government, Business Automation, Information Security, Digital Transformation, e-Health and Industrial Automation solutions. The past years the company has significantly increased in size and financial yield, reaching almost 120 employees. IKH is organized into three business units: digital government, healthcare, and robotics. Our longstanding partnership with IBM and our knowledge of Open Source technologies has allowed us to complete significant ICT work for local and international organizations. IKH Innovation, our robotics arm, is a world-class team of robotics and software engineers with expertise in mechanical design, embedded control, data-driven intelligence and mobile robots. IKH Innovation designs and builds tailor-made robotic solutions capable of performing in demanding environments. evorad™ is our comprehensive RIS / PACS suite designed to cover a radiology department's needs from the moment patients walks in to the moment they walk out with their examination and their digital diagnostic report in hand. evorad™ has become the premier PACS solution of Greek public hospitals, used not only to process thousands of examinations per day, but also as the main teaching tools in medical schools and university hospitals.
