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Keystone Solutions

Senior React Developer

Keystone Solutions
Belgium · Full-time · Mid-Senior

Description

Keystone Solutions is seeking a Senior React Developer to join our consultancy mission at a client site. This role within the Business Domain Transport Executions focuses on the delivery of innovative mobile apps, cloud backends in Azure, web interfaces, and integration with legacy systems as part of the DIOR program. As a consultant, you will collaborate closely with both the client and our team to propose effective solutions while enhancing your skills in a dynamic environment.

As a part of this consultancy engagement, the successful candidate will write high-quality, well-tested software that meets project requirements and gain a deep understanding of the client's business domain. Strong independent working capabilities and excellent communication skills are essential for this role to ensure successful collaboration and project delivery.

Key Responsibilities:

  • Develop user-friendly frontend components in ReactJS (v17.0.2) and TypeScript.
  • Utilize MUI v5 to build attractive and accessible interfaces.
  • Implement and manage timezone-related logic with Moment.js.
  • Work within various environments such as DEV, TST, ACC, and PROD, and maintain CI/CD pipelines using Azure DevOps.
  • Write unit tests with the built-in React testing framework in combination with Jest to ensure code quality.
  • Collaborate with the DIOR team using the Atlassian suite (Jira, Confluence, Bitbucket) for project management and version control.
  • Apply translations in applications using Loco.


Mandatory Conformity Criteria:

  • ReactJS: Over 5 years of experience.
  • MUI: Over 2 years of experience.
  • In-depth knowledge of TypeScript.
  • Strong expertise in unit testing.
  • Minimum 2 days onsite in Brussels.
  • Fluent in English.
  • Fluent in Dutch or French.


Preferred Knowledge and Experience:

  • In-depth knowledge of React Context API and functional components in TypeScript.
  • In-depth knowledge of Jest and the React Testing framework.
  • Working experience with React Native.
  • Experience with Moment.js for working with timezones.
  • Experience with the Atlassian suite (Jira, Confluence, Bitbucket).
  • Familiarity with i18n.
  • Familiarity with Azure DevOps for deployment and management of various environments (DEV, TST, ACC, PROD).


From Every Associate We Expect:

  • Sense of responsibility.
  • Good communication skills.
  • Takes time to listen.
  • Takes initiative.
  • Can introduce new ideas (technical or way of working).
  • Can explain why certain best practices should be applied or not.
  • Goes the extra mile when necessary.
  • Can stand up in the team.
  • Can work independently.
  • Familiarity with SAFE/Scrum methodologies.
  • Behaves according to the values upheld by Keystone Solutions.
  • Team player.
  • Calm and respectful demeanor.


If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.

Key Skills

Ranked by relevance

react confluence jira reactjs devops cloud cicd
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Posted
Apr 05, 2025
Type
Full-time
Level
Mid-Senior
Location
Brussels

Industries

Information Technology & Services

Categories

Engineering Information Technology

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