Back End Developer

B2B Freelance Opportunity

12 months Contract (With Possibility to extends)

Brussels, Hybrid (2 days onsite and 3 days remote)

Starts: ASAP

Note: Only For EU Citizens

DESCRIPTION OF THE TASKS

The (non-exhaustive list of) following tasks will be performed by the external service provider:

• Contribute to the redesign, and redevelop:

o A backend service providing APIs for the front-end and integration with other IT systems

o APIs related to data upload/data download of data files

o APIs to retrieve and manipulate data exposed by other API services

• Maintain a middleware layer assuring the connection between the front-end and a PaaS software (including authentication / authorization).

• Contribute to the evolution of the architecture in collaboration of various experts (front-end, database management, data engineering, business intelligence, etc.)

• Produce technical documentation

• Contribute to some front-end developments when necessary.

• Help with the upgrade and deployment of an off-the-shelf software used for data processing and risk scoring.

• Interact with business analysts, front-end developers, devsecops engineers, project leaders and other developers

KNOWLEDGE AND SKILLS

Following skills and knowledge are required for the performance of the above listed tasks:

• Very good knowledge of the JAVA programming language in the context of web application back-end development

• Very good knowledge of relational databases

• Knowledge of front-end development (ideally with Angular)

• Knowledge of data modelling for analytical applications would be an asset

• Very good knowledge of application security

• Knowledge of Scala would be an asset

• Ability to collaborate with various experts and accept different points of view

• Ability to give business and technical presentations

• Ability to apply high quality standards

• Ability to cope with fast changing technologies

• Very good communication skills with technical and non-technical audiences

• Analysis and problem solving skills

• Capability to write clear and structured technical documents

• Ability to participate in technical meetings and good communication skills

SPECIFIC EXPERTISE

Following specific expertise is mandatory for the performance of tasks:

• Experience of five years as a full-stack developer

• Experience of two years with Java in the context of back-end development

• Experience of two years with relational databases (data modelling in the context of operational systems, performance optimisation, query building)

• Experience of one year with front-end development (ideally with Angular)

• Good knowledge of development in the cloud (public, hybrid, or private)

• Good knowledge of software development tools / CI/CD pipelines (e.g. Gitlab, Maven, Gradle, Postman, SonarQube, etc.)

• Good knowledge of software development lifecycle

• Knowledge of XML and XSD