ruby English-speaking jobs in Belgian Luxembourg

Growth & Marketing Operations Manager needed to build and scale revenue engine. Manage MarTech stack, digital acquisition channels, and lifecycle automation. Optimize full funnel, analyze data, and build automated campaigns. Requires 4+ years B2B SaaS marketing experience with automation and demand generation focus.

Lead/Senior Golang Software Engineer to develop and maintain high-performance web applications and services. Requires 5+ years of production experience in Go or other languages, strong understanding of design patterns, and experience with microservices, logging, and monitoring.

NTT DATA seeks a Medior Service Delivery Manager for a freelance position in Brussels. The role involves managing application maintenance and technical infrastructure for Permanence Mobility. Responsibilities include defining procedures for incident, change, and configuration management, launching maintenance contracts, and ensuring the sustainability of applications and infrastructure.

Junior Solution Architect to design data governance solutions. Support architecture design, tool implementation (e.g., Microsoft Purview, Collibra), and client guidance. 1-3 years of experience in data consultancy, engineering, or analysis required.

Designs and implements modern data platforms on Azure, focusing on Lakehouse architectures using Databricks and Microsoft Fabric. Translates business goals into pragmatic data architectures and guides implementation teams. Collaborates with cloud architects, security, and domain experts to ensure solutions align with enterprise standards.

Data Partner - Business Writer needed to design advanced, domain-specific questions and solutions in Dutch. Expertise in Business Writing required.

Experienced freelance Chief Medical Officer needed for a small biotech company advancing a novel rheumatology therapeutic program. Provide medical leadership for clinical development, including trial design, regulatory strategy, and KOL engagement.

Junior Cybersecurity Consultant will deliver high-quality advice on cybersecurity and IT risk management to national and international clients. Responsibilities include executing penetration testing, operating CSIRT roles, performing incident response, and assessing environments for compliance. The ideal candidate has a Bachelor's or Master's Degree with a strong affinity for information and IT security/governance and experience in cybersecurity governance and risk management, the implementation of cybersecurity processes, execution of penetration testing, detecting cybersecurity incidents, and responding to cybersecurity crises. Fluency in Dutch or French and English is required.

Enterprise Architect with 10+ years of experience in architecture and design. Expertise in semantic technologies, cloud architecture (AWS, Azure, Google Cloud), and enterprise architecture frameworks (TOGAF, COBIT). Knowledge of ArchiMate, RDF/OWL, SPARQL, and triple stores.

Experienced iOS Developer to design, build, and maintain high-performance Swift code for iOS. Collaborate with teams to ship new features and ensure application quality. Must speak French or Dutch and have proven knowledge of Swift, iOS app development, and testing methodologies.

Lead Uber Eats' growth in Belgium, developing and executing strategy, managing a team, and ensuring operational excellence. Drive financial growth and profitability while cultivating partnerships with key stakeholders.

Oracle Forms & APEX Developer needed for a 6-month contract (extendable) in Brussels. Develop and maintain applications using Oracle Forms, APEX, and PL/SQL. Modernize legacy applications and ensure security best practices. Requires 3+ years of experience with Oracle technologies and strong data modeling skills.

Senior Java Developer to design, develop, and maintain high-performance applications using Java and Spring Framework. Collaborate with teams, work with REST APIs, and ensure application quality and responsiveness. Minimum 6 years of Java development experience required.

This newly created role establishes and leads a corporate Commercial Excellence Office, defining KPIs, analyzing sales performance, and driving a data-driven sales culture across multiple business lines.

Leads the process of setting business targets, coordinating budgets, and monitoring performance for Private Individuals and Private Banking. Provides financial advice, analyzes financial data, and develops business plans.

Lead a software team in the design and shipping of a complex software stack. Manage projects and experts to achieve goals. Requires 5+ years of software project experience, 2+ years of project management experience, and expertise in Kubernetes, PostgreSQL, Linux, AWS or GCP. Must be a technical leader with strong stakeholder engagement skills and experience leading technical teams. Fluency in French and English is required.

Provide BAU and operational support for the VisualFabriq platform, ensuring commercial processes run smoothly and data integrity is maintained. Support promotion and contract setup, validate accruals and claims, and manage integrations with SAP ECC/S4.

Collaborate with Manufacturing 4.0, IT, and business teams to deliver data-driven tools and AI capabilities. Design, train, and evaluate Machine Learning and/or Computer Vision models for industrial applications. Implement end-to-end MLOps pipelines and ensure model performance monitoring in production.

As National Sales Manager, you will lead a team of 5, develop sales strategies, and deliver an €8 million budget. You will build client relationships, identify new business opportunities, and analyze sales performance.

ONE seeks an experienced consultant to provide strategic advisory and advocacy support on the EU Multiannual Financial Framework (MFF) with a focus on national-level engagement in Ireland. The consultant will develop and execute a national engagement plan, lead advocacy trips, and build relationships with key stakeholders.