developer English-speaking jobs in Leidschendam

Junior Operations Specialist to oversee the settlement lifecycle of customer Crypto-Asset and Financial instrument orders. Responsibilities include trade execution monitoring, client administration, settlement management, and resolving operational issues. Must have 2+ years of experience in financial or operational roles and be fluent in English.

The Supply Chain Analyst analyzes, optimizes, and supports supply chain processes to ensure efficient movement of materials and products. Collaborates with cross-functional teams to improve inventory management, demand forecasting, logistics, and supplier performance.

Lead the technical design, build, and continuous improvement of GenAI products, including the customGPT ecosystem and internal knowledge assistants. Define and evolve the reference architecture for scalable, secure, and cost-effective GenAI solutions. Drive technical decisions on knowledge bases, ingestion strategies, chunking, vector databases, orchestration frameworks, and context management.

FP&A Analyst to support the Professional Haircare business in global management reporting, business planning, and commercial insight. The role involves preparing budgets and forecasts, analyzing variances, and providing financial guidance to stakeholders. Requires 4+ years of experience in relevant finance roles within an international organization, strong analytical skills, and proficiency in financial tools.

QA Tester will build mobile test automation and improve test suite trustworthiness. Requires experience building test automation at scale and working collaboratively with developers.

Lead end-to-end Apache Cassandra initiatives, from design and implementation to release management. Provide binding committer reviews and translate enterprise customer needs into upstream proposals. Shape community direction and mentor engineers toward committer standing.

Sioux is seeking Software Testing graduation interns to contribute to real-world projects. Internships are available for BSc and MSc students with a technical background and a minimum duration of 3 months.

As a Partner Success Manager, you will own and grow strategic global partnerships, acting as the primary contact for partners and ensuring their success, performance, and growth. You will develop and execute strategic account plans, monitor performance KPIs, and identify opportunities to expand partnerships. You will also champion the voice of the partner internally, influencing priorities across various teams to improve Transferz's product, service, and operating model.

Delivers and maintains robust, high-availability virtualized compute and storage infrastructure. Architects and manages enterprise virtualization environments, ensuring scalability, resilience, and performance. Leads the design and implementation of VMware-based solutions.

As Head of Platform, you will stabilize and modernize our core platform, infrastructure, and reliability. You will lead platform, database, and DevSecOps teams, ensuring a stable, secure, and scalable environment. You will drive infrastructure modernization, automation, and security enhancements, while fostering a culture of reliability and continuous improvement.

Senior Consultant to manage business transformation projects in the private sector. Support the implementation of change programs across organizations. Lead workstreams, coach clients, and hold client meetings and workshops. Requires an advanced degree and 3+ years of experience in project delivery, preferably in consulting. Must have strong communication and interpersonal skills and fluency in English and Dutch.

This internship provides hands-on experience in administrative tasks, analytics, automation, communication, and partnership development within the Flix Benelux operations team.

Provides travel coordination and office administration support for the Amsterdam office. Manages travel arrangements, itineraries, and expenses. Oversees daily office operations, vendor relationships, and supplies. Assists with HR, meeting logistics, and general office inquiries.

The Procurement Category Lead Films EMENA develops and aligns the strategic direction for Filmic materials in Europe. This role manages a critical portfolio of products and vendors, sourcing and negotiating commercial terms, implementing procurement agreements, and introducing new suppliers and products. The position reports to the Director Procurement LPM EMENA and has one direct report.

Operations Excellence Manager will translate factory priorities into an actionable roadmap, ensure alignment with market and zone strategy, and embed continuous improvement practices.

Product Manager will build relationships with customers, understand product usage in industrial environments, and translate customer needs into product requirements. Responsibilities include analyzing customer feedback, defining product priorities, and monitoring product performance. Requires a degree in a technical field, 2+ years of experience in a relevant role, strong analytical skills, and experience with SQL and product analytics tools.

Experienced freight forwarder needed to lead a team of 10 in organizing international road transports. Responsibilities include team coaching, operational oversight, escalation resolution, and relationship building with partners and DSV locations abroad. Must have at least 3 years of experience in international road transport, fluency in Dutch and English, and the ability to work 40 hours per week.

Logistics warehouse worker needed for evening shift at UPS Eindhoven. Responsibilities include sorting, processing, loading, and unloading packages. Must be able to lift up to 23 kilos.

Private equity associate (2-6 years' experience) to evaluate and execute investments across the Benelux market. Responsibilities include financial modeling, valuation analysis, due diligence, and working with portfolio companies.

Research Manager to conduct educational research in a multicultural setting. Responsibilities include literature reviews, focus-group interviews, study design, data collection and analysis, and report writing. Requires a Master's degree with 3 years' experience or a Ph.D. in a relevant field, strong statistical and computing skills, and fluency in Cantonese and English.