developer English-speaking jobs in Leidschendam

Quality Control Analyst needed for a GMP-regulated lab. Perform analytical testing (HPLC, GC, etc.) for product release, stability, and raw materials. Requires MLO/HLO in a relevant science and ability to work a rotating 24/5 shift.

Assistant Professor role in Law, Security, and AI at TILT. Focus on research and teaching regarding AI's impact on law enforcement and national security, respecting fundamental rights. Requires PhD and experience in human rights/AI.

TIG Welder / Fabricator needed to assemble and weld high-quality metal constructions. Responsibilities include reading technical drawings, performing TIG welding, and inspecting work for quality. Experience as a TIG Welder, Fabricator, or Metal Worker is required.

Experienced Electrical Commissioning Engineer needed for a hyperscale data center project. Responsibilities include L1–L5 commissioning, pre-functional/functional testing of critical power systems, and supporting IST. Requires proven experience in mission-critical data centers.

Senior Strategy Partner develops cross-disciplinary solutions to elevate media's role in client business agendas. This role involves deepening client partnerships, leading new business pitches, and driving the agency's strategic agenda.

Logistics Manager owns international inbound and outbound goods flows for DO IT Organic. This role leads the Supply Chain team, optimizes transport, and manages external warehouses while ensuring quality and traceability in the food industry.

Account Manager for Peripheral Interventions manages the end-to-end sales process in the North/East Netherlands. This role requires advising physicians with clinical and commercial insights, ideally with cardiovascular/peripheral intervention knowledge.

Lead end-to-end sales and structure full Trade product suites as Deal Principal. Expertise required in traditional and open account working capital products for Wholesale Banking clients.

Product Manager to lead mobile-first discovery experiences for broad travel intent within the Search domain. This role involves shaping app-native journeys from inspiration to trip planning, requiring 5+ years of experience in customer-facing digital products.

Lead the planning and execution of data center commissioning projects. Oversee timelines, budgets, and cross-functional teams to ensure facilities meet technical and operational requirements. Requires engineering degree and 5+ years of relevant project management experience.

Senior Software Engineer needed for cross-platform mobile apps using Kotlin Multiplatform and Compose Multiplatform. Experience in DevOps, Azure, and Cyber Security is required. Focus on designing, developing, and maintaining cutting-edge digital products.

German-speaking PR Consultant needed to support clients in Germany. Develop PR strategies, build media relationships, pitch stories, and manage projects from strategy through execution. Requires native German and excellent English.

Design, train, and deploy AI agents for core products, focusing on end-to-end ML tasks like fine-tuning and RL in Python. Own the full lifecycle from research to production scaling.

Manage newsletter and paid media campaigns across Meta, Google, and TikTok. Drive acquisition and retention by managing CRM roadmaps in Klaviyo and optimizing online sales. Requires 4+ years of experience and strong analytical skills.

Experienced Microsoft 365 Specialist needed to improve collaboration capabilities across a global organization. Focus on Teams, SharePoint Online, OneDrive, governance, and automation using PowerShell and Power Platform within an Agile SAFe environment.

Warehouse Operator at Samsung SDS handles order picking, packing, inventory management, and data processing across multiple departments. Requires physical fitness, English proficiency, and flexibility for shift work.

Enterprise Account Executive for the Nordics market, selling a modular operational compliance and sustainability software platform. This hunter role focuses on moving deals upmarket from €50K to €150K+ through consultative selling. Requires 3+ years of SaaS closing experience.

Senior Product Manager for the Mobile App will define and drive the digital product strategy for Air France–KLM's primary mobile touchpoint. This role owns the end-to-end evolution of the app across pre-booking, booking, and post-booking experiences.

Join a team processing and shipping fresh flowers and plants. Duties include quality checks, packing, sorting, and maintaining a clean workspace. Requires a motivated, team-oriented attitude and English at A2-B1 level.

Ambitious Account Executive to build the founding sales team for FERO. Own the full commercial journey, build pipeline independently, and drive merchants to full rollout. Requires 2+ years in closing sales.