javascript English-speaking jobs in La Louvière

Companion.energy seeks a Growth Manager Energy to lead strategic market development across Europe. The ideal candidate has a background in strategy consulting, energy advisory, or energy market strategy and a deep knowledge of European energy markets.

Senior Azure Integration Services Developer to design, build, and maintain cloud-native integration solutions using Logic Apps, Azure Functions, and API Management.

Team Leader for Underwriting & Policy Servicing in Life Retail. Leads and supervises a team of 8, ensuring service quality, team performance, and process improvement. Requires a bachelor's degree, 5+ years of life insurance experience, strong leadership skills, and fluency in French or Dutch and the other national language.

Manage technical industrial projects from ideation to realization for production facilities, infrastructure, and R&D. Responsibilities include defining project scope, assembling and leading teams, technical design, and reporting to stakeholders. Requires 3-5 years of experience managing end-to-end projects, technical background, and fluency in Dutch.

Postdoctoral Researcher to discover and characterize plant-based strategies to control nitrogen-cycle microorganisms. Will contribute to a project assessing the biological nitrification inhibition (BNI) potential of metabolites. Requires a PhD in a relevant field and demonstrated expertise in molecular work on nitrifying microorganisms and metagenomics.

Design, develop, and maintain Android application features. Collaborate with teams on feature design, architecture, and delivery. Apply Clean Architecture principles and review code adhering to coding standards.

Trilingual Key Account Manager to manage the full sales cycle for a profitable SaaS company. Focus on inbound leads, close deals strategically, and develop new opportunities. Requires fluency in French, Dutch, and English, and experience in sales, ideally SaaS.

Teach English as a foreign language in a primary cycle setting at the European Schools. Native speaker or C1-C2 certified in English required. University degree permitting primary school teaching and at least 2 years of experience preferred.

Leads the development and design validation of secondary and tertiary packaging solutions across UCB's portfolio, from clinical development through commercial lifecycle management. Drives the creation of visual identity, graphic charters, and artwork deliverables, ensuring compliance and quality. Provides technical expertise to packaging sites and partners, supporting troubleshooting, capacity optimization, and technology transfer.

GL Accountant needed for a leading law firm in Auderghem. Manage daily accounting operations, including invoices, payments, and bank reconciliations. Prepare financial reports and assist with tax filings. Bachelor's degree in Accounting and 4+ years of experience required. Fluent in French or Dutch with proficiency in the other.

Experienced Data Solution Architect needed to design and deliver modern, scalable data platforms within a leading financial services organization. Must have strong Azure expertise (Databricks, Synapse Analytics, Data Factory, Analysis Services, SQL & Cosmos DB, API Management & App Services, DevOps) and experience translating business requirements into technical designs.

As a Talent Acquisition Intern, you will support the full recruitment process, including candidate sourcing, scheduling interviews, and maintaining the candidate database. You will also assist with employer branding initiatives and prepare CVs for client submissions.

AETHER seeks a (Medior) Consultant Project Engineer Electrical Substations to support large-scale electrical infrastructure development programs involving high-voltage substations and grid assets. Responsibilities include facilitating communication between stakeholders, ensuring project quality and adherence to scope, and contributing to the technical definition and execution of projects.

Production Manager to set up, manage, and optimize Make-to-Order production processes. Coordinate internal and external manufacturing activities, ensuring high-quality, compliant, and efficient production.

Structural Design Engineer analyzes, designs, and oversees load-bearing structures. Designs structural elements in various materials and creates technical drawings and specifications. Performs complex calculations and 3D modeling using FEA software. Collaborates with architects, MEP engineers, and project managers.

Provides high-level support to the General Counsel and Legal team across legal operations and executive administration. Responsibilities include contract workflows, document management, legal research, and administrative support. Requires a Bachelor's degree, 3+ years of experience, and fluency in Dutch and English.

Senior Angular Developer to lead development of dynamic web applications. Requires 4+ years of experience with Angular, TypeScript, JavaScript, HTML5, and CSS3. Experience with RESTful APIs, state management, and version control tools is essential.

Experienced Enterprise Architect fluent in English and Dutch needed to analyze technical requirements, define business and technical architecture, and guide implementation across diverse IT systems.

Lead Data & AI Architect for KYC solutions. Translate business objectives into data and AI architecture visions. Design data landscapes, data platforms, and reporting components. Develop and operationalize AI models for use cases like clustering, anomaly detection, and behavioral change detection. Manage delivery milestones and act as a technical point of contact.

Sales Manager will manage the P&L of multiple retailers/pet specialty customers in Belgium, developing strategic relationships and driving sales growth. Responsibilities include leading forecast planning, customer negotiations, and collaborating with internal teams. Requires a master's degree in business economics, fluency in Dutch, French, and English, and a minimum of 7 years of relevant commercial experience in large FMCG environments.