developer English-speaking jobs in Leidschendam

Damen's Research, Development and Innovation Department seeks a Combustion Propulsion Engineer for the New Energy team. You will provide expert technical advice on combustion propulsion systems running on alternative fuels, collaborate with D&P colleagues, and contribute to the development of Damen's product range.

Leads the global social and culture agenda for a €16 billion global business, shaping social strategy, governance, and transformation roadmap. Establishes standards for social, creator, and influencer engagement, managing risk across a portfolio of heritage brands. Drives social capability development and monitors performance, translating insights into continuous improvement initiatives.

Treasury Analyst will manage cash balances, intercompany funding, foreign exchange, and investments. Requires 1-3 years of multinational treasury operations experience, a master's degree in a related field, and strong analytical skills.

Senior Finance Analyst for the Surgery Business Unit in Benelux will provide financial leadership, analytics, and support to Controllers. Responsibilities include developing strategies, analyzing data, and collaborating with sales and marketing teams. The role requires a minimum of 5 years of finance experience, a commercial mindset, and fluency in English.

Drive new customer acquisition and expand market presence for IAM solutions. Manage the full sales cycle, collaborate with delivery and pre-sales teams, and position the IAM value proposition.

Store Manager will provide excellent customer service, drive sales, and manage store operations. Responsibilities include visual merchandising, stock management, cash handling, team training and motivation, and staff management.

Lead the evolution of our CRM strategy, developing a 3-year roadmap to drive customer lifetime value across 20+ million customers. Execute large-scale campaigns, champion automation and personalization, and collaborate with data science and technology teams.

Experienced OSS Delivery Head / Program Director to lead large-scale telecom delivery programs in a complex, multi-vendor environment.

Senior Front-end Developer to design, build, and maintain modern React/Next.js applications. Experience with SSR/SSG/ISR, routing, and performance optimization is required. Strong understanding of front-end architecture, state management, and API integration is essential. 5+ years of front-end development experience with deep React and TypeScript knowledge. Excellent communication and collaboration skills.

As an In-Store Manager, you will lead and develop your team, ensuring efficient operations and a positive customer experience. You will manage your department's performance, product placement, and visual standards while adhering to brand guidelines and company procedures.

Senior Trader to own and grow STX's French Renewable Gas activity, originating deals across biomethane, e-methane, bio-LNG and related compliance products. Responsible for supply & demand analysis, market development, deal structuring, and building relationships with key counterparties. Requires 6+ years of experience in trading, sales, origination or business development, ideally in commodities. Native French speaker with fluent English.

The Medical Science Liaison will serve as a scientific liaison to the medical/academic community, establishing and maintaining relationships with Health Care Providers to ensure the appropriate dissemination of clinical and scientific information regarding Vertex compounds.

Marketing & Events Manager to execute marketing initiatives and create memorable experiences. Plan and execute campaigns, manage events, coordinate sponsorships, and support employer branding.

The Service Transition Specialist will assess Operational Readiness, support Change Management, and ensure smooth transitions within MUFG Bank's Systems Division. Requires 3+ years of experience supporting financial institutions in Service Transition, strong ITIL knowledge, and experience collaborating with off/near-shore teams.

The Business Information Security Officer (BISO) acts as a risk and security representative for Tech NL IT domains. This role develops and implements IT risk and security policies, provides guidance on best practices, and assists with risk assessments, mitigation strategies, and compliance reporting.

Trade Finance Specialist to design, develop, and manage trade and structured trade financing solutions. Experience in trade finance instruments, banking relationships, and financing documentation required. Strong analytical skills and fluency in English are essential.

The Regional Sales Director Benelux will define go-to-market strategy, manage a sales team, and oversee sales activities in the Benelux region. Responsibilities include setting sales objectives, developing territory plans, and driving sales growth. The role requires a BA/BS degree, extensive experience managing regional sales teams, and strong communication and presentation skills in Dutch and English.

Category Manager for Packaged Sandwiches & Fresh Juices, responsible for end-to-end performance across the Benelux. Develop and execute category strategies, manage suppliers, and drive innovation.

The Senior Director of Technology for Development leads the T4D team and is a senior program-facing technology leader. The role drives Mercy Corps' influence and thought leadership regarding how innovative digital technology and data solutions can enhance the performance and impact of the sector. The Senior Director develops strategies for innovative program technology uptake and scale, ensuring strategic coherence in the way that Mercy Corps manages data, digital technology, and AI. The role also oversees the development and delivery of skills-building efforts to develop internal talent and knowledge regarding use of data and technology. The Senior Director manages the T4D team and financial resources, prioritizing workload in line with strategic priorities. The position requires up to 25% travel to support programs and engage with donors and partners.

Lead and develop a consulting team in the Netherlands, focusing on business expansion outside the DACH region. Manage team performance, resource allocation, and delivery quality across customer projects. Support cloud migration initiatives and act as a central leadership point for the team.