javascript English-speaking jobs in La Louvière

About Mercier Consultancy Group Mercier Consultancy Group is a premier international recruitment firm, specializing in connecting top-tier talent with world-class organizations in the Customer Support Services sector.

Senior Solution Architect to design and validate a Sovereign Cloud environment for the European Parliament. Responsibilities include configuring Landing Zone infrastructure, IAM, security controls, and automating deployments using IaC and CI/CD.

Commercial Assistant supports European sales teams in commercial coordination, product development, and customer complaint handling. Responsibilities include sales process involvement, data analysis, and preparing business reviews. Requires a bachelor's degree and fluency in Dutch and English.

R&D Assistant in Microphysiological System for a 4-month contract. Perform lab experiments, cell culture, and support organ-on-chip prototype design and characterization. Requires a Master's in a relevant science, cell biology knowledge, and hands-on skills in microfluidics.

Data Office Domain Lead accountable for driving global data strategy and governance adoption within functional domains. Ensure data enablement, reuse, and lifecycle management across projects.

AI Engineer to own the technical vision and build the platform for an AI-native law firm. Responsibilities include end-to-end architecture, shipping production systems, and leading the founding engineering team. Requires 3+ years building production software with LLMs and agentic systems experience.

Experienced Data Analytics Engineer needed for a freelance role. Responsibilities include building data pipelines, modeling with Kimball/Data Vault 2.0, and using SQL, dbt, Power BI, and Microsoft Fabric. Must have professional English proficiency.

Director of Sales to lead commercial strategy for an upscale business hotel. This role focuses on prospecting, negotiating, and securing new local and international accounts across Corporate, MICE, Leisure, and Airline segments. Requires 4+ years in hotel sales with team leadership.

Experienced Cloud Engineer needed to work on cloud infrastructure, platform engineering, automation, and IaC across enterprise workloads. Responsibilities include using Terraform, supporting Azure services, and operating Kubernetes.

Lead Site Operations for complex industrial process installations. Oversee multidisciplinary teams, managing construction, pre-commissioning, and IO-testing for global projects. Requires 10+ years in industrial project execution.

Head of Procurement drives strategy to optimize costs and create sustainable value. This role leads strategic sourcing, manages supplier relationships, and develops procurement teams. Fluency in French and Dutch is required.

Test Coach & Quality Expert needed for a contract/part-time role. Provide coaching on test strategy, risk-based testing, and quality governance within Agile/Scrum environments. Must have 8+ years in software testing.

Credit Controller manages B2B collection files, analyzes debt, and contacts customers regarding overdue payments. Requires 3+ years in credit control, strong organization, and good communication skills.

Content Manager to produce and coordinate high-quality investment content for Candriam, a global asset manager. Responsibilities include writing, editing, and distributing content across various channels, ensuring alignment with brand and compliance standards. Requires strong English writing skills, financial market knowledge, and experience in the asset management industry.

Experienced Back-End Java & Cloud Engineer needed to develop Java-based backend applications and microservices on Azure. Responsibilities include building scalable services with Java 17/21 and Spring Boot, managing cloud infrastructure with Terraform, and maintaining CI/CD pipelines.

Senior BESS Engineering Manager will lead the development, engineering, and construction of large-scale battery storage projects. Responsibilities include defining technical specifications, managing tendering processes, coordinating EPC contractors, and ensuring compliance with regulations and standards. Requires a Master's degree in a relevant field and at least 5 years of experience in large energy or infrastructure projects.

Leads the complete European Programs portfolio across all European sites, delivering revenue, margin, cash flow, and customer performance targets. Owns portfolio governance, risk management, contract performance, and recovery initiatives. Drives regional competitiveness and business performance improvement. Serves as executive interface for key European customers and leads major commercial discussions and negotiations. Leads the Program management team across Europe, building organizational capability and a high-performance culture.

Principal Senior Technician for Enterprise Edge Services. Duties include implementing and administering Cyber Security policies and providing Level 2/3 support for services like Web Proxies, WAFs, and VPN. Requires active NATO SECRET clearance and relevant technical experience.

Strategic Head of Customer Success to lead the customer experience for a growing mobility and energy ecosystem. Define strategy, drive retention, and lead teams across Customer Care and Account Management.

Own one or two strategic technology partnerships end-to-end, from alignment to deployment. Drive joint use cases and go-to-market strategies with partners in labeling and traceability infrastructure. Requires experience in technical business development.