software English-speaking jobs in Leidschendam

Full-time Sales Assistant position at Maje's Amsterdam DBK store. Provide personalized customer service, develop customer loyalty, and handle transactions and stock.

Solution Consultant needed with a university degree in engineering, business engineering, computer science, or a related field. Strong programming skills, including macro coding, are required. Excellent analytical and communication skills are essential.

Business Analysis Associate will work with clients to understand their needs, analyze data to identify trends and inefficiencies, and develop solutions. Requires 3+ years of experience in business analysis, data analytics, or consulting, strong business acumen, and expertise in MS PowerPoint and data analysis. Fluency in English is required.

Thales Nederland seeks a Work Package Manager (Internal Project Manager) F126 for Software. The role involves leading a missile software team (25 FTE) responsible for the integration of missile and radar systems into the Combat Management System (CMS) and Fire Control Solution (FCS) of Thales for the frigate program F126. The successful candidate will manage project aspects such as budget, scope, schedule, and stakeholder management.

The Certification Engineer will test, certify, and maintain approvals for Rockpanel products within the European market. This role ensures products meet European standards related to CE marking, fire safety, mechanical performance, and sustainability. The Certification Engineer will work closely with internal and external stakeholders to bring new products and applications to market.

As Application Portfolio Manager, you will shape Fugro's global application landscape, ensuring every application delivers measurable business value. You will own and evolve the application portfolio framework, policies, and governance, and drive lifecycle management, rationalization, and strategic alignment. You will guide and prepare Tolerate, Invest, Migrate, and Eliminate decisions, actively reducing technical debt and systemic risk. You will shape the IT strategic plan for your functional domain and ensure alignment with business strategy, roadmaps, and budget cycles. You will maintain full transparency of cost, value, risk, lifecycle status, and technical health across the application portfolio. You will deliver clear portfolio insights, trends, and scenario analyses to senior leadership and governance bodies.

Sort and process packages, load and unload trucks, and work in a team at a busy logistics center. Must be available for at least 2 shifts per week and speak Dutch or English.

The Global Scientific Lead for Clinical Outcome Assessment (COA) Endpoint Strategy provides strategic oversight and leadership for consulting activities within Patient Centered Solutions. This role brings deep expertise in COA measurement science and Patient Experience Data (PED) to differentiate client solutions. Responsibilities include developing COA endpoint and PED strategies, advising sponsors on regulatory interactions, and leading the development of new COA instruments. The role requires deep expertise across COA types, experience developing COA endpoint strategies, and hands-on experience developing new COA instruments. Proven ability to lead, mentor, and oversee multidisciplinary scientific teams is essential. An advanced degree in a relevant scientific discipline is strongly preferred.

Restaurant Wannee seeks a Practical Facilitator to lead daily restaurant operations and coach hospitality students in a dynamic learning environment. The role requires expertise in bar service, front-of-house operations, and coaching within an educational setting.

Senior Full Stack Developer will build and improve the SaaS platform across mobile, web, and backend. Responsibilities include leading the technical direction of the React Native mobile app and contributing to the web platform.

As Assistant Store Manager, you will lead and coach a team, drive sales performance, and manage store operations. You will analyze sales reports, implement action plans, and ensure inventory accuracy. Strong leadership, communication, and retail experience are required.

Clinical Trial Leader (CTL) is a key member of the Clinical Delivery Team, accountable for the set-up, execution, and delivery of assigned trials. CTLs contribute to the delivery of the BI pipeline through accurate planning and efficient execution of trials.

PhD candidate to investigate micro-abrasion and wear mechanisms in tire tread materials. The project focuses on understanding and modeling micro-abrasion, developing wear mode diagrams, and studying the impact of composition on wear modes.

Ciena, a global leader in high-speed connectivity, seeks curious and collaborative individuals for future opportunities across technical, professional, and leadership roles.

Payroll Administrator responsible for accurate and timely monthly payroll processing for team members. Requires proficiency in English, Italian or Spanish or French, and basic Excel knowledge. Experience with SAP or other HR modules is preferred.

The VU FSW Societal Analytics Lab seeks a Post-doctoral Researcher / Research Engineer to develop OPTIMA, a collaborative infrastructure for securely storing, sharing, and analyzing multimodal data. The role involves implementing standardized vocabularies, integrating existing prototypes, and designing "non-consumptive" research facilities. The successful candidate will have a Ph.D. in social sciences with a computational focus, or a Ph.D. in a computational field with a passion for social science research. Strong programming skills in Python and/or TypeScript are required, along with experience with Docker, API design, and version control.

Field Service Technician needed for data center maintenance and repair. Responsibilities include regulating temperature, inspecting and maintaining equipment, and ensuring compliance with safety standards. Requires 5+ years of mechanical or electrical experience, data center knowledge, and strong communication skills. Must be proficient in English and possess a valid driving license and VCA-B certification.

Customer Service Representative supporting EMEA region teams and customers, with a focus on the German market. Handles customer inquiries, order processing, and logistics. Requires near-native English fluency, German preferred, and 5-7 years of experience in an international shared services environment.

Senior Clinical Research Associate will conduct monitoring visits, drive study startup, and ensure subject rights, safety, and data quality compliance. Requires on-site monitoring experience in the Netherlands, fluency in Dutch and English, and strong communication skills.

Supply Network Specialist will design and optimize the global supply network, taking ownership of the Purchase-to-Pay process for selected suppliers and supporting route-to-market design across a multi-DC network.