developer English-speaking jobs in Leidschendam

Sales Representative Benelux will establish and expand AT-PAC's business across Belgium, the Netherlands, and Luxembourg. This role involves developing new leads, managing the full sales cycle, and building long-term customer relationships in construction and industrial sectors.

Manage business and partnerships with strategic e-tailers and retailers in the Benelux region. Drive brand expansion by developing account plans, negotiating terms, and improving online and in-store experience. Requires 4+ years in Beauty/FMCG Key Account Management.

Lead international power distribution projects for major data centers. Manage scope, budget, and risks for complex LV/MV projects, acting as the primary customer interface. Requires 5+ years in electrical/power project management.

Experienced HR Generalist needed for a broad, hands-on role covering the full employee lifecycle. Responsibilities include onboarding, payroll support, policy management, and maintaining the People Hub. Requires 3+ years in HR Operations.

Senior Event & Speaker Engagement Manager curates content for IT, Cyber, and Digital leaders. Responsibilities include securing top-tier speakers, coaching them, and aligning content with event objectives. Requires 1-2+ years' experience in conference production or B2B media.

Tech Lead - Data & Analytical Engineering drives scalable data products on the Enterprise Data Platform. This role involves technical leadership, mentoring, and defining architectural patterns using GCP technologies like BigQuery and Pub/Sub.

Network Engineer supporting EUSPA's Galileo system. Responsibilities include patching hardware, system monitoring, user management, and hardware replacement. Requires a Bachelor's degree and five years of experience in Linux security systems and network operations.

Medior Project Manager to support technical Research & Technology projects. Responsibilities include monitoring schedules, managing budgets and contracts, and translating technical deliverables. Requires 2-5 years of experience and a relevant degree.

Working in a small friendly team as a Production Operative (Temporary), 40 hours p/week until 22nd December 2026. Position to be reviewed end of year depending on key account orders.

Store Supervisor responsible for customer satisfaction, daily operations, and team motivation. Requires previous supervisory experience, strong leadership, and a proven track record of driving sales.

Leads and develops a multidisciplinary engineering organization of approximately 230 professionals to deliver safe, high-quality system design solutions for offshore energy projects. Drives engineering excellence and organizational capability.

Perform end-to-end repairs on mechanical seals, including disassembly, inspection, and testing. This role requires mechanical knowledge, precision measurement, and collaboration with production departments.

Experienced Technical Trainer needed to design and deliver training on Supermicro's server, storage, GPU, and networking products. Requires deep technical knowledge, 8+ years in technical training, and proficiency in Linux and server infrastructure.

Bike Courier needed for part-time side work. Deliver food from local restaurants on your bike or scooter. Minimum age is 16. No experience is required.

Manage client solutions for 2D/3D Print, POSM, and Promotional Merchandise. Requires client service management, project delivery ownership, and advanced Dutch/English skills.

Interim Junior Financial Controller for a 6-month assignment. This hands-on role involves daily accounting, assisting with month-end reporting, and supporting the annual audit. Requires 1-2+ years of experience and a degree in a related field.

Lead strategic cyber security initiatives across the organization, managing roadmaps from concept through implementation. This hands-on role connects business stakeholders with security specialists across domains like SOC and Vulnerability Management.

Craft and serve high-quality beverages while providing warm, professional service. Keep the bar tidy, handle guest questions, and support team operations in a dynamic café and bar setting.

Account Executive Benelux for PLM, MES, and IoT Solutions manages end-to-end customer relationships. Responsibilities include new client acquisition, sales strategy development, and closing deals in the Benelux region.

Join TJX as a Team Leader to support managers and lead a team of associates in a constantly evolving retail store. This role requires leading by example and empowering a diverse team.