-
Sansaone

Back End Developer

Sansaone
Belgium · Full-time · Mid-Senior

Title: Java Backend Engineer

Location: Brussels, Belgium

Mode: Hybrid

Duration: 3 years

Languages: English


Tasks:

  • Development of back-end website applications.
  • Integration of user-facing elements developed by a front-end developers 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 organization.
  • Writing clean, functional code on the back-end.
  • Compile and analyze 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.
  • Mandatory Requirements (ALL must be included in the CV):

    • Bachelor’s Degree on IT or a related field.
    • 17+ years of experience in IT with at least 5 towards Back end development
    • Expert knowledge of Java/JEE (minimum 10 years)
    • Expert knowledge of Cloud-based DevOps (minimum 3 years)
    • Advanced knowledge of Weblogic Application Server (minimum 1 year)
    • Mandatory Java EE Application Developer Certification
  • At least two years of experience in each of the following would be considered as additional assets:

    • Spring
    • Postman
    • MySQL
    • Maven
    • Git
    • Angular 10+
    • eREST services
    • Jira
    • Confluence
    • Kafka
    • Swagger
    • Kubernetes
    • Docker
    • AWS/Azure
    • ElsticSearch
    • Junit
    • Experience of development with Compass Corporate would also be appreciated.
  • Additional Requirements:

    • Proficiency with back-end languages and frameworks such as Java, PHP, Spring boot and Hibernate.
    • Strong understanding of the web development cycle and programming techniques and tools.
    • Familiarity with database technology such as Oracle, MongoDB.
    • Knowledge of code versioning tools such as Git or SVN.
    • Good writing skills.
    • Ability to give technical presentations.

    Following certificates & standards are an asset for the performance of tasks:

    • Certified DevSecOps Professional (CDP) certification.
    • AWS Certified Solutions Architect.
    • Microsoft Certified: Azure Solutions Architect Expert.
    • Google Professional Cloud Architect.
    • Certified Kubernetes Application Developer (CKAD).

    Key Skills

    Ranked by relevance

    java server cloud spring boot kubernetes storage devops oracle git php
    Login to Apply
    Posted
    Jan 29, 2026
    Type
    Full-time
    Level
    Mid-Senior
    Location
    Brussels Region
    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

    Cloud Architect

    2026-04-02

    Full-time
    Mid-Senior
    Belgium
    IT Services
    Information Technology
    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

    2026-03-23

    Full-time
    Mid-Senior
    Luxembourg
    IT Services
    Information Technology