Expleo

Data Visualization Engineer

Job Locations
PT-13-Porto
Job area
IT & Digital
Employment type
Permanent
Workplace
Hybrid

Overview

Expleo is a trusted partner for your innovation journey. As a global engineering, technology and consulting service provider, we are ideally positioned to help you achieve your ambitions and future-proof your business. With a smart blend of bold thinking and reliable execution, we’re able to fast-track innovation through each step of your value chain.

We are strategically positioned to build value, with a global footprint across 30 countries.
We are as global and local as you need us to be, with strong best-in-class pan-European technological centres and unique best-shoring capabilities.

We leverage a network of high value-adding affiliates in consulting and industrial excellence, and leading partners across multiple sectors to provide you with the most comprehensive services and solutions in an ever-changing environment.

Responsibilities

- Design Grafana dashboards corresponding to specifications, including potentially complex SQL requests, targeting the database (ClickHouse) loaded with OEG/MDG messages. Some SQL requests have time-series specificities (windowing…). Give insights on inserted data to enable optimized requests.

- The delivery of the Grafana dashboards should be repeatable in the various environments automatically.

- Establish with testers common QA plan allowing clear, accurate, regular reporting through KPI’s related to the testing activities (design, execution, automation, regression).

- Deliver Unit Tests.

Context:

- Model driven development, using code generation through Java, XSL or Python for the database schema

- The delivery of software is made as Docker or RPM depending on the production environment, configuration is delivered through Ansible or AWS parameters, with CloudFormation typically for AWS.

Desired skills

- Design and develop Grafana dashboards with complex, time-series-oriented SQL queries.
- Write SQL code to support new functionalities and test cases, adhering to coding standards and best practices.
- Produce clear and accurate documentation related to the implemented code and dashboard logic.
- Actively participate in code reviews and contribute to continuous improvement of code quality.
- Develop and maintain automated test suites, including unit tests.
- Develop Java and/or Python code to support dashboards (e.g., automated screenshot generation for email reports) – Valued.


Technical Environment:
- Programming Languages: Java, Python
- Version Control: Git
- CI/CD: Jenkins (Groovy)
- Project Management: JIRA
- Testing: Automated testing with Gherkin
- Cloud: AWS
- Infrastructure as Code: Ansible, CloudFormation
- Containerization & Packaging: Docker, RPM

Options

Sorry the Share function is not working properly at this moment. Please refresh the page and try again later.
Share to social media

Can't find the job of your choice?
Upload your C.V. / Resume here for our recruiters to view.