software English-speaking jobs in Tienen

Drive the growth of Serax's hospitality business by developing relationships with high-end global partners. Manage assigned accounts, meeting revenue and margin targets. Position Serax Hospitality as a trusted partner within the global hospitality industry.

Experienced Project Manager needed for a hyperscale data center project in Belgium. Full site delivery ownership, managing contractors, clients, and subcontractors. Proven delivery experience on complex live sites required.

Senior .Net Developer to lead technical architecture evolution for a cloud-based trading system. Responsibilities include developing new products, designing APIs, and improving ALM processes. Requires 8+ years of backend development experience, ALM/DevOps expertise, and experience with cloud-native microservices.

Support clients in becoming data-driven by defining and implementing data and analytics reference architectures, solutions, and roadmaps. Design and implement complex data models, leverage cloud data platforms, and ensure data integrity and security.

The Marsh Risk Graduate Program is an 18-month intensive experience designed to attract and develop the next generation of risk and insurance leaders. Participants will gain real-world experience, develop professional and behavioral skills, and work with clients. The program includes a structured training program, a mentor, a buddy, and a manager to support your growth. Marsh seeks candidates with strong business acumen, problem-solving skills, and excellent communication skills in English, Dutch, or French.

Data Warehouse Engineer with 17+ years of IT experience required. Expertise in Azure Data Lake Storage, Oracle databases, data pipelines (Azure Synapse, PySpark, Python, SQL, KNIME), JSON and GIS data processing, and Microsoft Fabric OneLake. Must have Microsoft Azure Data Engineer Associate certification.

Territory Sales Manager for Belgium & Luxembourg, driving customer engagement and sales growth. Responsible for managing existing customer relationships, identifying new opportunities, and training distributor sales teams. Requires 5-7 years of sales experience, fluency in Dutch, French, and English, and strong communication and negotiation skills.

Senior Sales Exec / Snr Account Manager will drive commercial growth for Conformance & Interoperability services and tooling. Responsibilities include owning customer relationships, developing new business opportunities, and expanding existing accounts.

As Customer Marketing Lead, you will turn Conveo's customer base into a growth engine by creating high-quality case studies, testimonials, and customer stories. You will build a machine that produces customer-led moments that expand accounts and make customers visible in the market. You will identify and nurture customer champions and operate like an owner, treating customer marketing as a measurable engine.

Administrative Officer provides operational support to a company focused on sustainable technical infrastructure. Manages contracts, purchase prices, and master data in SAP. Supports IT Chapters organization with scheduling, documentation, and event coordination. Prepares reports and dashboards using PowerPoint and Power BI. Tracks tasks and resource requests in Jira. Requires 3 years of administrative experience, proficiency in Office 365, Power BI, and Jira, and fluency in English.

Experienced Clinical Research Associate (CRA) to balance traditional monitoring and patient engagement with a lead role in implementing digital solutions in clinical operations. Responsibilities include study coordination, site oversight, data management, stakeholder liaison, and leading the integration of automation and AI-enabled tools. Requires 1-2 years of clinical research experience, ICH-GCP knowledge, and excellent Dutch and English communication skills.

Spott, a YC-backed AI recruitment startup, seeks a Head of Growth to define and execute growth strategies. The role involves defining target audiences, messaging, and channel mix to drive predictable demand. Proven track record of scaling revenue and user adoption through structured growth playbooks is required.

Data Scientist – Gen AI to design, train, and fine-tune LLMs for client projects. Develop agentic AI solutions and research innovative applications.

Experienced Auditor with 2-3 years of experience sought for international firm. Responsibilities include performing audit procedures, analyzing financial data, preparing reports, and identifying internal control weaknesses.

Application Security Engineer needed to integrate security into CI/CD pipelines, perform application security reviews, and remediate vulnerabilities. Will analyze vulnerabilities, fix issues in applications, and help development teams build secure software. Requires strong software engineering background, experience in application security, and familiarity with vulnerability remediation.

Coordinates IT program development from end-to-end, working within agile processes and making decisions regarding priority, functionality, and business value. Manages activities across projects and contractors, requiring technical and project management skills. Evaluates and facilitates progress reporting, assists with communication, and interacts with various stakeholders.

Founding Full Stack Engineer to build and scale AI-powered marketing platform for B2B events. 3+ years web application experience required, strong in Next.js, TypeScript, and PostgreSQL.

The Student Records Officer will provide detailed advice and guidance on student records processes. Excellent IT skills, including Microsoft Office Suite, and strong administrative skills are required.

SplitStay seeks a Strategic Partnerships Advisor with deep roots in the Belgian and Dutch music and festival ecosystem to secure pilot collaborations with festival organizers, production partners, and destination stakeholders.

Plans, organizes, and coordinates exhibition booth participation and internal/external events in the EMEA region. Manages booth setup, design, logistics, and on-site execution. Organizes meetings, conferences, and customer seminars. Evaluates and improves event processes and implements new technologies.