Cosmote Global Solutions

2 Jobs

23 Employees

About the Company

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

Listed Jobs

Company Name: Cosmote Global Solutions
Job Title: Business Analyst
Job Description: Job title: Business Analyst Role Summary: Bridge business objectives with technology solutions by analyzing, documenting, and modeling requirements, business processes, and data flows, while providing strategic insights, risk assessments, and actionable business cases in a large, multinational environment. Expectations: - Demonstrate rapid self‑starting capability and high‑level presentation skills. - Apply critical thinking to evaluate alternative solutions and maintain high quality standards. - Operate with discretion, integrity, and strong interpersonal communication. - Engage effectively with business and technical audiences in multilingual, multicultural settings. - Participate in and contribute to multiple large projects simultaneously. Key Responsibilities: - Gather, analyze, and document detailed business requirements. - Model business processes, data structures, and use cases using BPMN, UML, ER diagrams, state diagrams, and interaction diagrams. - Develop business cases, vision documents, project charters, risk assessments, and security plans. - Leverage collaborative wikis and other knowledge‑sharing platforms to disseminate findings. - Support project planning and execution across diverse development methodologies (RUP, Agile, Prince2, PM2). - Deliver high‑level presentations to senior stakeholders and cross‑functional teams. Required Skills: - 15+ years of IT experience, including 5+ years in Business Analysis. - In‑depth knowledge of information systems, large‑organization administrative processes, and business modeling techniques. - Proficiency in BPMN, UML, and other modeling standards; ability to create use‑case, state, entity‑relationship, and interaction diagrams. - Familiarity with RUP, Agile, Prince2, and PM2; at least two related certifications. - Strong analytical, logical reasoning, and problem‑solving abilities. - Excellent written and verbal communication in English; French a plus; ability to conduct multilingual meetings. - Team‑player mindset with experience working in multicultural, international environments. Required Education & Certifications: - Bachelor’s degree in Information Technology, Business Administration, or a related field. - Minimum of two professional certifications relevant to Business Analysis or project management (e.g., CBAP, PMI‑PBA, Prince2, Agile Scrum Master, UML Professional).

Company Name: Cosmote Global Solutions
Job Title: Back-end Developer
Job Description: Job Title: Back‑end Developer Role Summary: Senior engineer responsible for building, deploying, and maintaining large‑scale back‑end web applications. Uses Vert.x, Kotlin, Java > 17, and Spring Boot WebFlux to deliver API‑driven microservices with robust security, data integrity, and performance. Leads architecture design, database modeling, and container orchestration while coordinating with front‑end developers and cross‑functional teams. Expectations: • Minimum 10 years in back‑end development with Vert.x, Kotlin, Java > 17, Spring Boot. • Minimum 6 years in microservices architecture, API‑driven development, AS4 integration. • Minimum 6 years in database technologies: MongoDB, PostgreSQL, Virtuoso Triple Store, OpenSearch. • Minimum 6 years in containerization & orchestration: Docker, Kubernetes. • Minimum 5 years in security: OpenID Connect, OAuth 2.0, TLS, Keycloak. • Minimum 6 years in security testing & dependency management: SAST, DAST, Fortify, SonarQube, Sonatype, Dependency‑Track, Maven. • Minimum 10 years using collaboration tools: JIRA, Confluence, Office 365, SharePoint. • English proficiency C2; strong communication; self‑starter; adaptable to change; experience in multicultural teams. Key Responsibilities: 1. Design, develop, and maintain high‑performance back‑end web services and APIs. 2. Integrate front‑end components with server‑side logic, ensuring seamless user experiences. 3. Implement core business logic and data‑access layers, using Hibernate and appropriate ORM tools. 4. Design and optimize database schemas for MongoDB, PostgreSQL, Virtuoso, and OpenSearch. 5. Enforce security and data‑protection standards across all layers. 6. Optimize applications for speed, scalability, and reliability. 7. Lead technical project activities, mentor peers, and steer architecture decisions. 8. Maintain code quality: version control, continuous integration, automated testing, and code reviews. 9. Troubleshoot, debug, and resolve production and development defects. 10. Author detailed technical documentation for system architecture, APIs, and deployment. Required Skills: - Programming: Vert.x, Kotlin, Java > 17, Spring Boot WebFlux, Hibernate. - Architecture: Microservices, API‑driven design, AS4. - Databases: MongoDB, PostgreSQL, Virtuoso, OpenSearch. - Containerization & Orchestration: Docker, Kubernetes. - Security: OpenID Connect, OAuth 2.0, TLS, Keycloak, SAST, DAST, Fortify, SonarQube, Sonatype, Dependency‑Track, Maven. - Collaboration: JIRA, Confluence, Office 365, SharePoint. - Soft skills: Strong communication in English (C2), teamwork, self‑motivation, adaptability. Required Education & Certifications: - Bachelor’s degree in Computer Science, Software Engineering, or a related field. - Industry certifications in Java, Spring, Kubernetes, or security (optional but preferred).