Senior Software Engineer (JavaScript)

We are looking for a Senior Software Engineer with expertise in JavaScript for a major client based in Luxembourg.

Main tasks:

• 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:

Education

• Master’s degree in Computer Science, Software Engineering, or a related field.

Professional experience:

• 7+ years of experience as a Software Engineer in JavaScript (React, Angular), SQL and Java (Java 11, Spring Framework, JSF)
• 3+ years of experience in React/ReactNative/JavaScript
• 2+ years of experience in Outsystem
• 3+ years of experience with Anaconda and Python
• Proven experience in REST/SOAP web services, JMS, API and Kafka development.
• Strong background in relational databases (Oracle, Sybase, PostgreSQL, MySQL)
• Experience with Application Servers (JBoss, Tomcat, NodeJS, Spring, etc.)
• 7+ years experience in cloud infrastructure (mainly AWS and Azure) with Terraform, Ansible, Kubernetes, Linux and HELM
• 5+ years of experience coordinating 2nd-level production support teams (20+ people)
• Experience with Agile development methodologies
• Skilled in DevOps and CI/CD practices using Jenkins, Maven, Sonar, Liquibase, and GitHub
• Experience with Shell scripting (Unix, bash, shell)

Languages:

• Proficiency in English (B2-level or higher)

Location:

• Luxembourg (on-site)