COSMOTE Global Solutions NV is at the forefront of the ICT industry as a trusted member of the OTE Group of Companies, dedicated to delivering comprehensive ICT Solutions and Services. We are looking for a talented Back-end Developer to enhance our team.
As a Back-end Developer, you will play a critical role in designing scalable applications to meet the evolving needs of our clients. Your expertise will ensure the smooth integration of server-side logic with front-end components, enabling our applications to function seamlessly and efficiently.
Key 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 in IT or a related field
- At least 17 years of experience in IT
- At least one year of expertise in back end: Vert.x, Kotlin , Java (> 17) , Spring Boot (WebFlux), Hibernate.
- At least one year of expertise in Architecture & Integration: Microservices Architecture, API-driven Development, AS4.
- At least one year of expertise in Database: MongoDB , PostgreSQL, Virtuoso Triple Store, OpenSearch
- At least one year of expertise in Containerization & Orchestration: Docker, Kubernetes
- At least one year of expertise in Security: OpenID Connect, OAuth2, TLS, Keycloak
- At least one year of expertise in Security Testing & Dependency Management: SAST, DAST, Fortify, SonarQube, Sonatype, Dependency-Track, Maven
- At least one year of expertise in Collaboration & Productivity Tools: JIRA, Confluence, Office 365, SharePoint
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
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