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Cosmote Global Solutions

Specialist Software Engineer JavaScript

Cosmote Global Solutions
Luxembourg · Full-time · Entry

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:

  • Conduct thorough review and analysis of functional and technical requirements
  • Design software solutions and provide accurate effort estimations
  • Implement programming changes using Python, Java, JavaScript, XML, WSDL, and SQL
  • Perform unit testing to validate functionality and ensure code quality
  • Investigate and resolve software bugs and defects across environments
  • Provide second-level support for production issues and escalated technical inquiries
  • Follow up on reported problems and ensure timely resolution
  • Perform root cause analysis to prevent recurring issues and improve system stability
  • Automate CI/CD processes and manage infrastructure provisioning using Infrastructure as Code (IaC) tools

Requirements

  • Master's degree in Computer Science, Software Engineering, or a related field
  • Strong analytical and problem-solving skills
  • At least 11 years of experience as a software engineer in SQL and Javascript technologies (React; Angular, etc).
  • Proficiency in English
  • At least 2 years of experience in Outsystem
  • At least 3 years of experience in React/ReactNative/JavaScript
  • At least 3 years of experience with Anaconda and Python
  • Proven experience in JBOSS/Java/JSF/Spring Boot
  • At least 7 years experience in provisioning of infrastructure on the cloud mainly AWS and Azure and experience in Terraform, Ansible, Kubernetes, Linux, HELM
  • At least 5 years of experience in coordinating the 2nd level production support on an application supported by a team of minimum 20 IT people
  • Experience with agile development methodologies.
  • Experience with relational databases (e.g., Sybase DB, Oracle DB, Postege DB)
  • Experience in building APIs and Kafka for both internal and external products.
  • Working knowledge of DevOps and CI/CD using Jenkins and Maven
  • Continuous build and integration using Sonar and Liquibase
  • Github or another source code repository
  • Experience with the following frameworks and technology:
  • Java (11), Spring Framework, REST / SOAP webservices, JMS, React
  • Shell scripting (Unix, bash, shell)
  • DBMS Systems (Oracle, Sybase, MySQL)
  • Application Servers (JBoss, Tomcat, NodeJS, Spring, etc.)

Key Skills

Ranked by relevance

javascript oracle cloud java cicd infrastructure as code shell scripting data warehouse cybersecurity kubernetes terraform big data angular jenkins ansible python devops react mysql kafka linux bash unix sql aws xml
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Posted
Nov 07, 2025
Type
Full-time
Level
Entry
Location
Luxembourg

Industries

IT Services IT Consulting

Categories

Other

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