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UpcoMinds

Full Stack Engineer (1133)

UpcoMinds
Belgium · Contract · Mid-Senior

The external service provider will be responsible for designing, developing, and maintaining high-quality web applications and backend systems. The role involves both front-end and back-end development, as well as collaboration with internal teams to ensure the delivery of robust, scalable, and secure software solutions.


Responsibilities

  • Development of front-end website architecture and design of user interactions on web pages
  • Development of back-end applications and implementation of core business logic
  • Creation and management of servers, databases, and application components
  • Data analysis, modelling, and implementation of data processing pipelines
  • Understanding and implementation of security and data protection measures
  • Design of responsive and adaptive web applications
  • Design and development of APIs and integration components
  • Participation in software architecture and the creation of scalable applications
  • Taking technical lead on projects as required
  • Maintenance of code quality, integrity, and organization
  • Writing clean, functional code across the full stack
  • Compilation and analysis of data, processes, and code to troubleshoot and improve systems
  • Testing and resolving issues, with emphasis on automation and continuous improvement
  • Meeting both technical requirements and customer needs
  • Writing and maintaining technical documentation
  • Integration of available services and components into policy-supporting systems
  • Collaboration with business analysts, customers, users, project leaders, and developers
  • Liaison with other technical teams including hosting and dependent system operators


Education

In accordance with Article 2.6.3.1 of DIGIT-TM II Service Requirements, candidates must have education corresponding to Level 6 of the European Qualification Framework, typically equivalent to a Bachelor’s Degree (3 years).

Knowledge and Skills


Required competencies for successful performance include:

  • Strong knowledge of front-end languages (JavaScript, HTML, CSS)
  • Very good knowledge of JS frameworks and libraries (AngularJS or similar)
  • Excellent proficiency in back-end technologies (Java, EJB/Spring, JPA/Hibernate)
  • Strong understanding of database technologies (Oracle or MySQL)
  • Excellent grasp of enterprise design patterns and application architecture
  • In-depth knowledge of API design and development
  • Proven experience with application security principles
  • Strong competence with cloud platforms and deployment processes
  • Practical knowledge of CI/CD tools and pipelines
  • Experience in data processing and performance optimization
  • Knowledge of version control tools (Git, SVN)
  • Ability to deliver technical and business presentations
  • Commitment to high-quality coding standards
  • Adaptability to evolving enterprise technologies
  • Excellent communication skills with both technical and non-technical stakeholders
  • Strong analytical and problem-solving capabilities
  • Capacity to write structured and detailed technical documentation
  • Active participation in technical meetings and design discussions


Non-Technical Requirements

  • Proven ability to work in an international and multicultural environment
  • Rapid self-starting capability and strong teamwork attitude
  • Ability to participate in multilingual meetings
  • Strong collaboration on large, multi-stakeholder projects
  • Excellent team player with interpersonal competence
  • Fluency in English (C2 level) for written and verbal communication
  • High integrity and discretion in handling confidential and personal data


Specific Expertise (Mandatory)

  • Minimum 5 years of professional experience in Java (competence level 5)
  • Minimum 5 years of professional experience in JPA (competence level 5)
  • Minimum 5 years of professional experience in SQL (competence level 5)

Key Skills

Ranked by relevance

design patterns javascript responsive oracle cloud java cicd git
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Posted
Oct 06, 2025
Type
Contract
Level
Mid-Senior
Location
Brussels
Company
UpcoMinds

Industries

IT Services IT Consulting

Categories

Information Technology

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