OneSource Consulting

About the Company

OneSource is a pan European based recruitment, employment agency founded in response to the market demands for more flexible, cost-effective, tailored recruitment solutions. It aims at providing high-quality services to provide the best outcomes in the recruitment and employment of personnel from a diverse set of business sectors.

In today's highly competitive and ever-changing IT market, hiring the right candidate can
make the difference between success and failure of any mission-critical project.
We can navigate you through the complexities involved and the demands of 'Right-Sourcing'.
With our team having close to two decades of staffing proficiency, our staffing solutions will
help you accelerate your hiring strategy(s).

At ONESource, our philosophy is to be a true value-add to customers, businesses, and
stakeholders. Unwavering ethics, honesty, innovation, and excellence are the cornerstones of
our business, which translates into every work we undertake.

Listed Jobs

Company Name

OneSource Consulting

Job Title

Data Analytics and Business Intelligence

Job Description

Job Description
Role: External Service Provider (Data Analytics and Reporting)

Description of Tasks:

The external service provider will perform the following tasks:

Requirements Gathering & Collaboration:
Collect and analyze business requirements.
Participate in meetings with project teams.
Data Analysis & Pipeline Development:
Identify relevant data sources linked to business needs.
Conduct exploratory data analysis to validate and understand the available data.
Establish technical procedures to retrieve and link relevant data through structured and efficient data pipelines.
Model Development & Maintenance:
Create and maintain technical components to support the full lifecycle of statistical and Machine Learning models at scale.
Develop solutions to handle and exploit large volumes of unstructured data.
Business Intelligence & Reporting:
Design and develop Business Intelligence (BI) reports, dashboards, and other data products.
Validate results and ensure proper documentation.
Documentation & Interaction:
Write technical documentation.
Interact with business analysts, users, project leaders, and developers to ensure alignment.

Knowledge & Skills Required:

Core Skills:

Proficiency in SQL and Python programming language.
Understanding of statistical and Machine Learning models, particularly for forecasting purposes.
Experience with business intelligence tools like SAP BI and Qlik.
Ability to adapt to rapidly changing Data Analytics technologies.

Specific Expertise Required:

At least 2 years of experience with Python programming

Belgium

Remote

19-03-2025

Company Name

OneSource Consulting

Job Title

Java Developer

Job Description

Job Title: Java Developer
Location: Brussels, Belgium
Duration: 6 Months with possible extension
Language: English

Job Description:
Validation tool: rule-base engine validating XML documents against specific SwiftNet rules
Recovery validation tool: validating the correct sequence of XML documents and XML tag values related to a SwiftNet recovery scenario.
Sparring partner: exchanging SwiftNet XML documents over the Swift network protocols.
Copy sparring partner: exchanging SwiftNet XML documents playing the role of a central infrastructure.
We also have new projects, for which no code is written yet:
Validation consolidation: produce an user friendly consolidated report based on the individual output of the validation tool.
webConsole: providing sparring information status information on a web interface using HTTPS.
The candidate must be at ease with Java enterprise programming and XML document manipulations.
All SwiftNet related training will be provided by the project manager.
This includes the SwiftNet XML documents and the Swiftnet messaging protocols.
The development environment is RHEL, Java 8, IntellliJ, Bitbucket and git.
Tasks are tacked in Jira. Documentation is maintained in Confluence.
Skills:
Experience in Java 8? How many years?
Experience in XML? How many years?
Experience in SwiftNet messaging?
Experience in Bitbucket usage?
Experience in Confluence?
Experience in IntelliJ usage?
Experience in Jira?

Brussels, Belgium

Hybrid

20-03-2025

Company Name

OneSource Consulting

Job Title

Business Intelligence Developer

Job Description

Job Title:- BI Developer
Location:-Brussels, Belgium
Languages:- English
Mode:- Hybrid
Duration:- 6 months with possible extension
Role – Key responsibilities
As team member of the Support Project, Analytics, Reporting & Change squad, the incumbent will be expected to manage some run activities while contributing at the same time to a high degree of change and transformation.
Main activities:
Collaborate with other IT divisions and stakeholders to understand projects requirements
Develop and maintain dashboards & reports in Power BI
Design, create and manage interactive power BI dashboards to provide actionable insights to stakeholders
Perform data analysis and translate these findings into visually compelling reports
Integrate and transform data from multiple sources using Power Query, ensuring data accuracy and consistency
Monitor and optimize the performance of Power BI reports to ensure efficient data processing and quick response times
Ensure data accuracy, consistency and best visualization practices
Create and maintain comprehensive documentation of data sources, data models, and user guides to facilitate knowledge sharing and continuity
Support the department in optimising the data analysis and reporting tools
Provide training and support to team members on Power BI functionalities
Required skills:
Technical knowledge and professional experience
Fully fluent in English is a mandatory requirement
3+ years of experience in Power BI development & data visualization
Strong expertise in DAX, Power Query, and data modelling
Experience in creating user-friendly, dynamic dashboards
Knowledge with SQL & integrating multiple data sources
Strong project and coordination management skills, ability to manage several projects simultaneously with various levels of complexity
Strong analytical skills and data-mindset, ability to identify actionable next steps and to draw conclusions and make recommendations in a concise way
Experience with documenting processes, controls and best practices
Familiarity with technology infrastructure, software and services commonly used in the industry
Personal & Behavioural skills
High level of attention to detail to ensure data accuracy and compliance with regulatory standards
Excellent written and verbal communication skills
Proactive mindset, independence, drive attitude
Strong collaboration and interpersonal skills to work effectively across divisions and locations

Brussels, Belgium

Hybrid

31-03-2025

Company Name

OneSource Consulting

Job Title

Test Specialist

Job Description

Job Title: Test Specialist (Junior)
Location: VAC Brussels, Belgium
Work status: Hybrid
Languages: Dutch, English
Contract Duration: Next Month - 15/07/2027

Job Description:

Within the Webplatform dev team, you will participate in testing and ensuring the technical quality of Webplatform and related services. In addition, you will gradually get to know the other building blocks of the department and participate in testing these systems. In the long term, you will also contribute to testing the components of a digital assistant. You do this by setting up and maintaining extensive automatic tests, monitoring and reporting of the underlying components. You work with Playwright in TypeScript as a test suite and support the application manager in further developing the test framework and qualitatively monitoring new code. Ideally, you have an affinity with frontend frameworks and are interested in developing visual reporting with it.
Demonstrable experience as a test specialist with testing small business-critical or larger non-business-critical applications
Demonstrable experience with formal test methods and techniques
Demonstrable knowledge of specialist testing suites or tools
Demonstrable knowledge of functional testing
Language requirement: Dutch at European CEFR - level C2.

Business Context:
Department: Counter platform
Objective: Web platform offers an integrated digital solution with which government services can offer their online services in a structured and uniform manner. This platform also opens up data sources for the general public and supports thematic overviews and life events.

Tasks & responsibilities:
Testing the technical components of Webplatform Vlaanderen and the underlying services:
Developing and maintaining a test suite in Playwright
Monitoring and reporting the status of underlying systems
Identifying, documenting and following up on bugs in Jira and Confluence
Functional testing of new code based on test notes from developers
Understanding the underlying components and their interactions within the platform
Analyzing logs to ensure the correct functioning of the application
Proactively collaborate within the dev team to achieve sprint goals
Getting to know and contributing to automated testing of other components from the department, which together will form a digital assistant:
You apply the knowledge and skills you have acquired within Webplatform Vlaanderen more broadly to support other building blocks
You make connections between the different components and help devise test strategies to ensure the quality of mutual dependencies

Technologies & required knowledge:
Test tools: Playwright (main technology), experience with other test suites is a plus
· Typescript: Experience required
· Functional testing: Hands-on experience with decoupled website applications
· Bug tracking: Experience with Jira and Confluence
· Monitoring: Experience with monitoring tools and reporting systems
· Language requirement: Dutch at CEFR level C2

Nice to have:
· Frontend: Affinity with front-end frameworks (Vue/Nuxt is a plus)
· Experience with developing visual dashboards to communicate test results and system status
· Basic knowledge of development and testing methodologies

Brussels, Belgium

Hybrid

02-04-2025