react English-speaking jobs in Lummen

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Senior IT Architect to develop and implement business-critical IT architecture and digital solutions for financial institutions. Requires 4-10 years of experience in IT architecture, core banking platforms (e.g., Temenos T24, Finacle), and end-to-end banking processes. Must have experience with microservices architectures, SOA, APIs, cloud platforms, and modernizing legacy systems.

About the Role We’re looking for a Senior Fullstack Developer to strengthen our internal technical capabilities and lead the evolution of our product ecosystem — from our existing Bubble stack to a modern, scalable, hybrid or full-code environment centered around Shopify and custom backend services.

Your job Within Accenture you are challenged to be the best version of yourself at our clients’ projects. This means you lead projects by actively engaging with the business and translating their needs to create maximum value in the end product. You will be working with the latest technologies available in the industry like SAP S/4HANA.

Commissioning Manager needed for large-scale data center construction project in Mons. Leads commissioning activities, develops and executes protocols, and manages budget. Requires proven experience in commissioning mission-critical/electronics projects, technical competence, and ability to work safely and efficiently.

Office Administrator needed for international organization. Manage reception, coordinate office operations, provide administrative support, and assist with fleet and relocation matters. Fluency in English and Dutch required.

Trilingual (FR/NL/ENG) Business Analyst with insurance experience needed. Translate business needs into requirements, BPMN diagrams, and documentation. Manage backlog prioritization and support solution implementation.

In doing so, we mitigate risks and uncertainties through the expertise of our multidisciplinary team of strategy, management, and technology consultants who transform businesses for maximum impact. As a leading global systems and business integrator, KPMG leverages its extensive product and integration knowledge, sector insights, and worldwide network to help our customers remain competitive.

Do you have experience in organising sales operations and high-quality commercial work? Do you thrive on negotiating and closing deals? Do you want to contribute to the growth of a leading, international sustainability consultancy firm, active in real estate?

AYES, international company specialized in engineering and innovation technology, is looking for an ambitious HR & Recruiter - Dutch and/or French Speaker to join us on this incredible journey in our Brussels offices.

MindCapture seeks a driven Talent & Business Consultant to build client relationships and source consultants for the Life Sciences sector. Responsibilities include business development, talent acquisition, and market intelligence.

Manages personnel administration, salaries, and employee benefits, ensuring compliance with legal obligations. Collaborates with social secretariat and providers on standard and non-standard payments, personnel administration, and employee inquiries. Administers cafeteria plans, variable compensation, and employee insurance. Ensures data quality in HR tools and provides reports on payroll, headcount, and absenteeism.

Senior Architecture Lead Consultant to design, evolve, and govern a cloud-native platform supporting large-scale distributed systems in a hybrid cloud environment.

Product Support Engineer needed for a leading cleantech infrastructure company. Provide technical expertise, support internal teams, and assist in customer-facing discussions.

About the company International organisation active in sustainable technologies and the circular economy, supporting industries worldwide with innovative solutions for emission reduction and resource efficiency. Operates in a complex, international environment where collaboration and precision are key.

Project Manager to lead a strategic initiative focused on Network Observability Sensors and Smart Grid development. Oversee design and delivery, manage scope, budget, timelines, and deliverables. Coordinate a cross-functional team, ensure high-quality delivery, and communicate effectively with stakeholders. Requires a degree in Engineering, Computer Science, or related field, minimum 3-5 years of Project Management experience, and fluency in French (CEFR C2 level).

Cloud Architect to design production-grade cloud architectures and establish governance frameworks for a hybrid environment using Microsoft Azure and Kubernetes.

Role Overview We are looking for a Private Satellite Communication Network Engineer to support the design, implementation, and operation of private satellite communication networks.

Senior AI Business Consultant guides clients through AI innovation, from identifying opportunities to managing implementation. Translates complex challenges into solutions and advises on security, privacy, and ethics. Facilitates workshops, engages with C-level clients, and shapes business-oriented AI solutions. Requires a good working knowledge of Dutch.

Accounts Payable Accountant needed to process invoices, manage payments, and support closing activities. Requires experience in an accounting environment, strong attention to detail, and proficiency in Excel. Knowledge of ERP systems and banking tools is beneficial.