COSMOTE Global Solutions, as a member of OTE Group of Companies, is an ICT Systems Integrator delivering a broad range of ICT Solutions and Services.
CGS provides a broad range of ICT Services focusing on: Cloud, Data Centre operations, Networking, Cybersecurity, BI and Data Warehouse, Big Data, Service Desk, Proactive Monitoring, Operations and Support, Service Management, Project and Programme Management, and Professional Services.
Responsibilities:
- Development of back-end website applications.
- Integration of user-facing elements developed by a front-end developer with server side logic.
- Implement core business logic.
- Creation of servers and databases for functionality.
- Design and implementation of data storage solutions.
- Understanding and implementation of security and data protection.
- Optimization of the application for maximum speed and scalability.
- Design and develop APIs.
- Participating in the design and creation of scalable software.
- Taking lead on projects, as needed.
- Maintenance of code integrity and organisation.
- Writing clean, functional code on the back-end.
- Compile and analyse data, processes, and codes to troubleshoot problems and identify areas for improvement.
- Testing and fixing bugs or other coding issues
- Meet both technical and consumer needs.
- Write technical documentation
Requirements
- Bachelor’s Degree on a related field.
- At least 10 years of specific expertise in Back-end: Vert.x, Kotlin , Java (> 17) , Spring Boot (WebFlux), Hibernate.
- At least 6 years of specific expertise in Architecture & Integration: Microservices Architecture, API-driven Development, AS4.
- At least 6 years of specific expertise in Database: MongoDB , PostgreSQL, Virtuoso Triple Store, OpenSearch.
- At least 6 years of specific expertise in Containerization & Orchestration: Docker, Kubernetes.
- At least 5 years of experience in Security: OpenID Connect, OAuth2, TLS, Keycloak.
- At least 6 years of specific expertise in Security Testing & Dependency Management: SAST, DAST, Fortify, SonarQube, Sonatype, Dependency-Track, Maven.
- At least 10 years of specific expertise in Collaboration & Productivity Tools: JIRA, Confluence, Office 365, SharePoint
- Ability to apply high quality standards to all tasks.
- Ability to participate in multi-lingual meetings, good communication skills.
- Capability of working in an international/multicultural environment, rapid self-starting capability and experience in working in a team, understanding the needs, objectives, and constraints of those in other disciplines and functions.
- Ability to adapt to unplanned changes or decisions.
- Ability to understand, speak and write in English C2.
Top Skills
What We Do
COSMOTE Global Solutions, as a member of OTE Group of Companies, is an ICT Systems Integrator delivering a broad range of ICT Solutions and Services.
CGS provides a broad range of ICT Services focusing on: Cloud, Data Centre operations, Networking, Cybersecurity, BI and Data Warehouse, Big Data, Service Desk, Proactive Monitoring, Operations and Support, Service Management, Project and Programme Management, and Professional Services.
OTE Group:
OTE Group is the largest technology provider in Greece. It is one of the top three listed companies with respect to capitalization, in the Athens Stock Exchange. Deutsche Telekom holds 46.9% of OTE’s share capital and the Greek State holds 5.6%. Find More about OTE Group
Our Vision:
We digitize societies so that everyone can live and enjoy at the fullest all possibilities offered now while also building on them for a better tomorrow.
Our Mission:
• We bring the best communication services to our customers
• We connect people
• We entertain
• We help businesses grow.
• We are leaders, pioneers, pillar of the economy and society
• With passion, faith and commitment
• We constantly strive to become better on all fronts
• We have a positive impact on society and the environment







