HubMub
-
Sansaone

Javascript Developer

Sansaone
Luxembourg · Full-time · Mid-Senior

Title: JavaScript Software Engineer

Location: Luxembourg

Languages: English

Duration: 24 months

Mode: On-site


Job Description

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:

  • Master’s(preferable) degree in Computer science, Software Engineering, or a related field.
  • At least 3 years of experience as a software engineer in SQL and Javascript technologies (React; Angular, etc).
  • Proficiency in English
  • Strong analytical and problem-solving skills.
  • 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
  • Experience with agile development methodologies.
  • Experience with AWS and Azure
  • 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, Maven, AzureDevOps, Terraform, Ansible, Kurebernetes, Linux, HELM
  • 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 cicd infrastructure as code terraform angular jenkins ansible python devops react kafka maven linux java bash unix sql aws xml
Login to Apply
🇱🇺

Country Guide

Luxembourg

High-value international enterprise and fintech hub

Posted
Nov 07, 2025
Type
Full-time
Level
Mid-Senior
Location
Luxembourg
Company
Sansaone

Industries

IT Services IT Consulting

Categories

Information Technology

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
Sansaone
Related

Back End Developer

2026-02-26

Full-time
Mid-Senior
Luxembourg
IT Services
Information Technology
View Job Details
Sansaone
Related

Cloud Architect

2026-04-02

Full-time
Mid-Senior
Belgium
IT Services
Information Technology
View Job Details
Sansaone
Related

Cloud Architect

2026-03-23

Full-time
Mid-Senior
Luxembourg
IT Services
Information Technology