ruby English-speaking jobs in Belgian Luxembourg

Senior Web Developer to design and build a global SaaS platform for supply chain risk management. Expertise in Node.js and PHP required, with experience in React, MySQL, MongoDB, Camunda, AWS, and Kubernetes. Collaborative environment focused on Mob Programming, TDD, and DDD.

Embedded Software Engineer to design, develop, and maintain firmware for microcontrollers in emergency lighting products. Responsibilities include programming microchips in C/C++, developing device drivers, and collaborating with hardware engineers. Requires a Bachelor's or Master's degree in a relevant field and experience programming microcontrollers.

Data Engineer to build, optimize, and maintain data pipelines and Lakehouse structures within the Microsoft Fabric ecosystem. Responsibilities include Delta Lake implementation, pipeline execution, custom application development, cross-platform integration, and system testing. Requires expertise in SQL, Python, Java, Spark, and Azure DevOps. Microsoft Certified: Fabric Data Engineer Associate certification is required.

Aikido seeks a RevOps Manager to translate marketing data into actionable insights and optimize revenue processes. Responsibilities include owning marketing performance reporting, building dashboards, and analyzing full-funnel performance. The ideal candidate has 3+ years of RevOps experience in SaaS, HubSpot expertise, and strong data analysis skills.

IT Site Lead responsible for managing IT infrastructure, providing user support, and acting as liaison between the Thailand factory and international IT team.

Manage and grow an existing market with a client base. Develop relationships, identify growth opportunities, and build a team. Minimum 3 years agency-side recruitment experience required. Bilingual French & English mandatory.

The client is looking for a Mainframe System Analyst - Senior. Responsibilities work with the business stakeholders to translate the business needs for various small and medium business requests into requirements for IT implementation team. understand the IT application landscape to well describe the requirements for the application (frontend integrating with different backend systems).

PhD researcher to develop reliable digital process twins, specifically for object-centric processes using MDE. Requires a master's degree in a relevant field, strong programming skills (Java/Javascript/Python), and a solid mathematical background.

Junior Product Manager will lead new product launches for BLACK+DECKER and Stanley business units across Benelux. Responsibilities include developing go-to-market strategies, analyzing market trends, and managing the marketing mix.

Freelance AI Trainers needed to improve AI model accuracy by labeling, evaluating, and generating text in Portuguese. Must be a native speaker with undergraduate studies or recent graduate status.

Experienced Wind Turbine Service Technician needed for onshore wind farms in Belgium. Perform preventive and corrective maintenance on Enercon, Vestas, and Senvion turbines. Troubleshoot and repair mechanical, electrical, and hydraulic systems.

Expert Machine Learning Engineer will develop, deploy, and optimize advanced machine learning models for clients. Requires a Master's or Doctorate in a quantitative field, 4+ years of experience, and strong Python & SQL skills. Experience with MLOps, containerization, cloud services, and GenAI is advantageous. Fluency in English and Dutch/French is preferred.

Finance Lead will manage accounting, budgeting, and reporting for entities in Belgium, Luxembourg, and the Netherlands. Responsibilities include financial reporting and strategy, operational real estate investments, and managing external accounting departments. Requires a Bachelor's or Master's degree in Finance, Economics, or a related field, 3+ years of experience, and proficiency in Excel.

The Head of FP&A and Pricing shapes Swift's long-term financial strategy, leads the global FP&A organization, and steers the company's pricing strategy. This role partners with the CFO, CEO, Executive Committee, and Board to drive strategic planning, performance management, and data-driven decision making.

Semactic, a hybrid SEO SaaS company, seeks passionate individuals to join its fast-growing team. We combine technology and support to make SEO more accessible and actionable.

Lead the engineering team building and scaling a core platform connecting AI models, enterprise data, and creative tools. Responsible for platform architecture, productionizing AI workflows, and ensuring reliability, performance, and cost optimization. Requires experience building enterprise SaaS platforms, distributed systems, and leading large engineering teams.

As Director QBP, you will act as a trusted quality partner for assigned functions and third parties, providing quality advice, reducing risk, and improving work processes. You will shape quality strategies, support quality investigations, and participate in inspection readiness activities. You will educate assigned groups on Quality by Design, regulatory compliance, risk minimization, and mitigation.

Senior Full Stack Developer to shape and scale a platform using React, TypeScript, Next.js, and more. 5+ years of frontend or full stack development experience with strong React + TypeScript skills required.

Plan.Net, a Brussels-based digital agency, seeks a Digital Project Manager to lead projects encompassing AI Agent initiatives and digital experiences. Responsibilities include project planning, team coordination, resource management, budget oversight, risk management, client communication, performance analysis, and continuous learning. Qualifications require a relevant degree, 8+ years of agency experience, digital marketing expertise, project management software proficiency, and experience with AI technologies. Fluency in Dutch or French is mandatory.

Customer Service & Sales Support Officer needed for a dynamic industrial company. Manage sales orders from entry to delivery, coordinate with sales, logistics, and customers, and ensure customer satisfaction. Requires 3-10 years of experience in a related role, fluency in French and English, and strong administrative and communication skills.