Java Developer with Identity & Security Focus (REF5700T)

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Deutsche Telekom TSI Hungary Kft.
Munkavégzés helye

Debrecen

Munkaidő, foglalkoztatás jellege
- Alkalmazotti jogviszony
- Általános munkarend
Elvárt technológiák
- JAVA BACKEND TESTING SPRING GIT REST DATABASE SECURITY DEVOPS POSTGRESQL CLOUD
Elvárások
- Angol középfok
- 5-10 év tapasztalat
- Középiskola

Állás elmentve

A hirdetést eltávolítottuk a mentett állásai közül.

Responsibilities

Design, develop, and operate security-critical backend services using Java and Spring Boot
Build and maintain authentication and authorization services based on OAuth 2.0, OpenID Connect, and modern identity standards
Apply secure software engineering principles throughout the development lifecycle
Identify, assess, and mitigate security risks during system design and implementation
Drive security-by-design practices across the platform
Develop secure APIs, token services, and identity-related microservices
Implement secure communication mechanisms including mTLS and certificate-based authentication
Contribute to cryptographic solutions including key management, encryption, digital signatures, and secure credential handling
Perform security-focused code reviews and proactively detect vulnerabilities
Collaborate with architects, security engineers, DevOps teams, and QA specialists to ensure secure and compliant solutions
Support threat modeling, security assessments, penetration testing remediation, and audit activities
Translate regulatory, compliance, and security requirements into robust technical implementations
Improve platform resilience, observability, and incident response capabilities

Requirements

5+ years of proven software development experience
Strong expertise in Java and Spring Boot ecosystem
Extensive experience designing and developing enterprise-grade backend applications
Deep understanding of distributed systems, REST APIs, microservices, and event-driven architectures
Strong database experience, preferably PostgreSQL
Strong security-first mindset and passion for secure software development
Solid understanding of application security principles including OWASP Top 10, Secure Coding Practices, Authentication & Authorization, Threat Modeling, Secrets Management, Data Protection, Security Testing
Hands-on experience with Spring Security, OAuth 2.0, OpenID Connect, JWT, mTLS
Experience implementing secure authentication and authorization mechanisms
Good understanding of cryptography fundamentals, certificate management, PKI, and key lifecycle management
Experience with Git, CI/CD pipelines, Automated testing, DevSecOps practices
Strong understanding of cloud-native application development

Company info

Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group. The company provides a wide portfolio of IT and telecommunications services with more than 5300 employees. We have hundreds of large customers, corporations in Germany and in other European countries. DT-ITS received the Best in Educational Cooperation award from HIPA in 2019, acknowledged as the Most Ethical Multinational Company in 2019. The company continuously develops its four sites in Budapest, Debrecen, Pécs and Szeged.