react English-speaking jobs in Mortsel

Security Engineer to strengthen vulnerability management capabilities and enhance security posture. Experience with Qualys or similar vulnerability management solutions required. Strong understanding of operating systems, network/security concepts, and hybrid/cloud environments.

Support Operator / Laboratory Disinfection Specialist needed for a leading biotechnology company. Training provided in aseptic work, GMP, and related procedures. Maintain cleanliness and disinfection of laboratory areas and materials. Must be highly proficient in English and comfortable working in a sterile environment.

Application Security Engineer needed to integrate security into software development lifecycle. Will analyze vulnerabilities, remediate issues, and assist development teams in building secure applications. Requires strong software engineering background, application security experience, and familiarity with OWASP Top 10 and vulnerability remediation.

Manage and retain a client portfolio, identify new revenue opportunities, and deliver sales growth within a predefined area. Collaborate with colleagues to execute growth and retention strategies. Serve as a client contact, responding to complex needs and questions. Possess a strong Corporate or mid-sized Commercial Insurance background with cross-class knowledge.

Supports the delivery of endpoint and gateway security services, monitors performance and compliance, and coordinates issue resolution. Assists with incident coordination, service management, and continuous improvement initiatives. Requires 5+ years of experience in cyber security operations and strong technical skills.

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.

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

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.

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.

We are seeking a Chief Executive/Leader with expertise in Strategic Management, Business Development/Sales, Engineering, IT/Digitalisation, Transformation, or Human Resources. The ideal candidate will possess academic degrees, international experience, and strong communication skills.

Lead Legal Expert to develop RewardFlex solutions, providing expert guidance on compensation and benefits. Responsibilities include defining legal frameworks, assessing regulatory risks, and creating knowledge resources for internal teams.

Provides first and second-line IT support, including remote and on-site assistance. Analyzes incidents, troubleshoots problems, and documents solutions. Requires strong MS Office, Windows, and mobile device knowledge. ITIL V4 Foundation certification is required. Minimum 3 years of relevant experience. Fluent in English and French.

Data Consultant works on end-to-end data initiatives, from collecting and transforming data to analyzing, visualizing, and operationalizing it. Supports organizations in making informed decisions and building strong data foundations.

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.

Senior Software Engineer to optimize and scale existing Computer Vision models for high-performance production environments. Responsibilities include improving modularity, upholding engineering standards, and managing CI/CD pipelines. Must have Python engineering mastery, experience with testing frameworks, system design, and databases.

Senior QA Engineer with 10+ years of experience in GMP environments. Develops QA procedures, conducts supplier audits, and reviews validation documentation. Requires a Master's degree in a scientific field and fluency in Dutch and English.

Support a purchasing department within an international energy infrastructure organization. Responsibilities include purchase order and contract handling in SAP, process improvement, and stakeholder communication. Requires medior experience in logistics or purchasing, SAP MM proficiency, and strong analytical and communication skills.

Senior Integration Developer with 5+ years of experience in service development using Azure Integration Services and .NET technologies. Designs, develops, and maintains scalable integrations between enterprise systems, APIs, and cloud services in an Agile (SAFe) environment.

Strategic consultant specializing in Sales & Marketing for a B2B professional services company. Manages client portfolios, develops partnerships, identifies business opportunities, and delivers projects in Digital, Sales, and Marketing. Requires fluency in French, Dutch, and English, and experience in sales, marketing, consulting, HR, or related fields.

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.