Senior Backend & Cybersecurity Integration Developer
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Before you apply
LocationAthens, Attica, Greece
Work modehybrid
Typefull-time
SenioritySenior
Experience4+ yrs
DepartmentiKnowHow
Company size201–500 people
PostedSep 28, 2026 · 1mo ago
Verified live3d ago
At a glanceSummarised by Seekless from the posting.
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
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
Skills
Java
Spring Boot
REST APIs
Microservices
Event-driven architecture
Asynchronous messaging
Relational databases
NoSQL databases
Docker
Linux
OAuth 2.0
OpenID Connect
JWT
PKI/certificates
Kafka
RabbitMQ
Elasticsearch
OpenSearch
SIEM
SOAR
IDS/IPS/NDR
STIX/TAXII
MITRE ATT&CK
IAM
Kubernetes
DevSecOps
CI/CD
Benefits
Health insurance
About the company
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.
About the role
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