About this role
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