developer English-speaking jobs in Leidschendam

Senior HR Administrator for UNIQLO's Rotterdam Lijnbaan store. Manages employee lifecycle, recruitment, onboarding, training, payroll, and employee relations. Requires HR generalist experience in retail, fluency in Dutch and English, and knowledge of HR policies and payroll processes.

Investment Banking Analyst will execute transactions, assist in origination, and support senior bankers in M&A, equity, and debt capital markets.

Global software procurement professional sought for strategic sourcing initiatives, contract negotiations, and vendor strategy development. Requires extensive experience in global software procurement, leading negotiations with enterprise vendors, and managing complex sourcing projects.

Leads a world-class value delivery organization across Europe, owning the regional services P&L, customer outcomes, and operational excellence. Delivers measurable customer outcomes that prove the value of Cognite Data Fusion and AI capabilities. Builds, leads, and retains a high-performing delivery organization that can scale with Cognite's product roadmap and go-to-market strategy. Manages the regional budget across personnel, partners, technology, travel, and operations. Serves as executive sponsor for strategic accounts, leading complex implementations from kickoff to value realization. Drives continuous improvement in methodologies, playbooks, and operating models. Partners with Account Executives and Value Engineering to validate and communicate business outcomes from Cognite deployments. Partners with Talent Acquisition and HR to recruit, onboard, and retain top delivery talent across Europe. Builds strong cross-functional collaboration with Sales, Product, and Engineering across the customer lifecycle. Contributes to the global services and value delivery strategy with regional insights, best practices, and competitive intelligence. Monitors and reports on key value delivery metrics: validated business outcomes, project success rate, budget adherence, forecast accuracy, customer satisfaction (CSAT, NPS), team utilization, engagement, retention, and escalation rates.

Global Client Manager to connect global media strategy with local execution. Manage multi-market teams, ensure campaign delivery, and support client growth.

Senior Data Platform Engineer to build and maintain a secure, scalable, and compliant data infrastructure. Experience with programming languages (Python, Go, Kotlin), data engineering principles, infrastructure as code, and container orchestration is required. Exceptional communication and ownership are essential.

As Associate UX Director at DEPT, you will lead and shape industry-leading digital experiences for a key account. You will set the standard for quality and output, collaborate with international teams, and contribute to the growth of the Design practice. You bring 12+ years of UX or product design experience, a proven track record across the design value chain, and strong leadership skills. Fluency in German and English is required.

Senior Packaging Materials Scientist to lead design and development of Container Closure Systems (CCS) for parenteral drug products. Requires expertise in CCI validation, lifecycle management, and regulatory documentation within a GMP environment.

This physically active role involves unloading, lifting, and moving boxes (5-15 kg), transporting goods, picking and packing orders, and processing returns. Must be reliable, punctual, available at least 3 days per week, and speak basic English or Dutch.

Mechanical Project Engineer to execute and deliver diverse mechanical engineering projects. Collaborate with clients, architects, and teams to plan, design, procure, and supervise project implementation. Ensure compliance with codes, regulations, and safety standards. Bachelor's degree in Mechanical Engineering required. Proven experience in the engineering services industry.

Senior Post-Silicon Validation Engineer to lead product validation and production release of MEMS-based timing devices. Develop and execute validation plans, lead cross-site projects, and evaluate silicon performance.

Assembles, tests, and inspects piping systems from technical drawings and work orders. Performs orbital welding if trained. Works in a structured 2-shift schedule.

Senior Property Manager will oversee the operational performance of P3's logistics real estate portfolio in the Netherlands. Responsibilities include coordinating external property management providers, ensuring efficient building operations, tenant relationship management, and capital expenditure project oversight. The role requires 7-10+ years of experience managing commercial or logistics real estate assets, strong financial and analytical skills, and fluency in Dutch and English.

Senior Storage Advisory Expert leads and delivers due diligence projects for storage, solar & storage, and hybrid renewable portfolios. Supports financing and transaction processes by reviewing contracts, financial models, and technical documentation. Prepares proposals, builds client relationships, and contributes to team development. Requires a Bachelor's degree in Engineering with 5+ years of experience in energy storage and demonstrated experience managing projects and reviewing contracts and financial models.

Associate drives impactful investments in Africa's agribusiness sector. Manages portfolio, executes transactions, and conducts due diligence. Requires a Master's degree, 2+ years of experience in financial services, and strong agribusiness knowledge.

Automation Engineer needed to design and deliver scalable automation solutions for complex on-prem network infrastructure. Responsibilities include automating deployment, configuration, and management using Python/Bash, Terraform, Ansible, and CI/CD pipelines. Must have strong scripting, IaC, and networking fundamentals.

Symfony Developer with extensive experience in Pimcore, Symfony/Laravel, and web technologies. Focus on designing, developing, and maintaining high-quality digital solutions. Strong understanding of RESTful APIs, version control, and Agile methodologies. Excellent problem-solving and communication skills.

Lead SAP Finance AMS operations, ensuring SLA adherence and high-quality service delivery. Manage incident and problem resolution for critical finance issues, including P1/P2 escalations. Oversee change and release management activities, ensuring seamless integration between SAP Finance modules and interconnected systems. Act as the primary finance lead for stakeholder communication and client escalations. Drive process optimization initiatives focused on automation and operational excellence.

Account Manager Central Europe will drive revenue growth and develop customer relationships across Central Europe. Responsibilities include implementing sales and marketing strategies, identifying new business opportunities, and providing technical and commercial guidance to customers.

Leads and delivers Consumer & Market Insight (CMI) projects to support strategic decision-making. Translates complex data and insights into clear recommendations for stakeholders. Partners with Marketing, Sales, and Innovation teams to shape product, brand, and category strategies.