developer English-speaking jobs in Leidschendam

Client Solutions Manager manages advertiser relationships and campaign performance for TikTok's Global Business Solutions team. This role partners with Brand Partnership Managers to develop and execute strategic plans, optimize campaigns, and drive revenue growth. The ideal candidate has experience in digital marketing, account management, and campaign analysis.

Business Development Representative for full-cycle recruitment in Amsterdam. Develop new business, manage client relationships, source and place candidates, and drive revenue growth. Fluency in German or Dutch and English required.

Senior Sales Manager will manage a portfolio of Institutional Clients, including Insurance, NBFI, Asset Managers, Financial Sponsors, and Hedge Funds. Responsibilities include developing and maintaining client relationships, identifying business opportunities, and delivering sales proposals. The role requires extensive experience in global cash management services and a proven track record of successful sales.

Lead and develop a team of data scientists, setting and owning the ML and AI strategy for a high-impact consumer platform. Oversee the full lifecycle of ML and AI systems, from experimentation to production deployment.

Gain hands-on experience in private equity by assisting the Dutch team in deal flow, valuation analysis, and market research. Support portfolio companies in marketing, business development, and sales. Create investment proposals and presentations.

AI Data Associate will label various data types (text, speech, audio, image, video) to support the development and deployment of AI responsibly. Must have CEFR C1+ fluency in Dutch and English, strong analytical skills, and attention to detail.

Senior Spinach Breeder leads and optimizes the spinach breeding program, delivering innovative varieties. Translates market requirements into breeding goals and collaborates with stakeholders across R&D, plant pathology, product management, supply chain, business development, and sales. Requires 5+ years of experience leading a breeding team, an MSc or PhD in Plant Breeding, Genetics, or a related discipline, and expertise in horticulture, agronomy, and genetics.

Tenure-track professorship in Chemical Biology and Synthetic Organic Chemistry. Applicants must have a PhD and strong publication record.

Associate CDD Analyst will support the end-to-end CDD process, including client onboarding, periodic reviews, and transaction monitoring for clients with complex international structures. Responsibilities include conducting risk assessments, performing in-depth reviews of legal entities, and acting as the primary point of contact for clients.

Leads global X-Ray Elemental & Structural Solutions product line, defining strategy, portfolio evolution, and business performance. Responsible for translating customer needs into differentiated solutions and driving sustained growth. Owns product portfolio from concept to end-of-life, ensuring investment choices align with short- and long-term horizons. Leads pricing, value proposition, and market positioning in partnership with Commercial teams. Drives disciplined portfolio and investment management, ensuring strong returns on R&D spend. Partners cross-functionally to ensure effective execution and delivery while maintaining focus on product strategy and customer value creation. Responsible for product line P&L, including growth, profitability, and long-term value creation.

Experienced Pega Certified System Architect (CSA) to support and evolve a complex, enterprise-scale Pega environment. Design, develop, and maintain robust Pega solutions aligned with industry best practices and enterprise standards.

Experienced consultants are sought to market and support established leadership and personal development education programs using digital platforms. Consultants will generate interest, conduct conversations, and provide guidance throughout the engagement process.

Quality Assurance Officer needed for a small-scale dairy production company specializing in traditional Arabic cuisine products. Manages quality system, performs quality checks, identifies deviations, and prepares documentation. Requires proven QA experience in the food industry, knowledge of food safety regulations, fluency in Arabic and English.

Develop and enhance detection rules to uncover illegal activities. Identify new data sources and integrate them into models. Collaborate with colleagues to implement and refine models.

Senior Site Reliability Engineer to support critical trading infrastructure in a low-latency environment. Focus on platform reliability, automation, observability, and operational improvement across on-prem infrastructure.

Financial/Business Controller to support decision-making, identify business opportunities, and drive performance improvement. Responsibilities include managing audit processes, leading month-end closings, reporting, budgeting, and forecasting. Requires strong analytical and communication skills, experience in financial control or business control, and fluency in English. Dutch is a plus.

Leads the design, implementation, and maintenance of group-level FP&A processes, including budgeting, forecasting, and performance reviews. Provides financial analysis, insights, and support to senior leadership and operational departments. Drives continuous improvement of reporting cycles and data quality.

As a Product Owner, you will own and manage a portfolio of global cloud products and platforms, driving the product roadmap and collaborating with cross-functional teams to ensure successful cloud transformation.

Part-time, hybrid Business Administrator needed to manage operational and administrative tasks for EthiAI and ClaimZap. Responsibilities include product documentation, HR support, internal communications, and marketing coordination.

Leads and manages a high-traffic retail store, driving sales and exceeding KPIs. Recruits, trains, and develops a team, fostering a positive and inclusive work environment.