developer English-speaking jobs in Leidschendam

Backend Engineer to build and maintain scalable microservices for an IAM transformation program. Responsibilities include designing secure backend services, engineering APIs and integrations, and contributing to CI/CD pipelines and infrastructure as code. Must have 2-5 years of experience as a Backend Engineer with strong Kotlin and Spring Boot skills, experience with Kafka and DevOps practices, and fluency in English.

Test Engineer will provide guidance on test methods and tools, ensuring adherence to policies and standards. Develops test cases, analyzes test results, and collaborates with project teams to verify system functionality. Requires a Bachelor's degree, 2+ years of experience in testing, and relevant certifications.

FourParties, the largest hospitality staffing agency in the Netherlands, seeks enthusiastic Allround Hospitality Employees for various locations. Duties include serving food and beverages, maintaining cleanliness, and ensuring a positive guest experience. Hospitality experience is preferred, but eagerness to learn is valued. Must be fluent in Dutch or English and available for flexible shifts.

Experienced technical Product Owner needed to build a Self-service Datadog & Backstage Internal Developer Portal for a Dutch eCommerce organization.

Sagardi Group seeks a full-time Cook a la carte to maintain production quality, manage inventory, and follow HACCP procedures. Experience as an à la carte cook in a restaurant (minimum 1 year) is required.

The Institute for Science Education seeks an Assistant/Associate Professor of Mathematics Education to design, coordinate, and implement educational programs. The role involves supervising student projects, collaborating with partner institutes, and contributing to the institute's research program.

As a Junior Sales Manager, you will guide leads through the Barter platform, supporting new partners from demo to sign-up and ensuring their success. You will deliver demos, answer questions, and manage the onboarding process.

Repair Technician needed for pump upgrades and overhauls. Disassemble, inspect, and reassemble pumps using technical drawings and instructions. Requires MBO diploma or equivalent experience, 2+ years in a similar role, and fluency in Dutch and English.

Part-time Sales Advisor needed for our Roermond store. You will work directly with customers, assisting with online orders and creating a unique shopping experience. Must have a passion for design and interior decoration, excellent interpersonal skills, and fluency in Dutch and English. German is a plus.

Provides technical support, training, and application expertise for industrial coating and dispensing systems to customers across EMEA. Conducts equipment audits, troubleshoots issues, and delivers training to optimize customer manufacturing processes. Requires electrical qualification, 3+ years of technical experience, and fluency in English. Extensive travel is required.

Experienced frontend developer to contribute to frontend architecture and build an assessment and exam platform. Will work with teams across Paragin Group, improve frontend architecture, and transform legacy code to modern Vue 3 and TypeScript. Experience with AI tools and an AI-first mindset are required.

Work in a modern food production facility processing and packing fresh products. Operate in a fast-paced environment with an international team, adhering to strict food safety standards.

Lead a team of Production Operators and Setters in a modern facility. Ensure safe, efficient, and high-quality production processes. Plan, coordinate, and monitor daily activities, achieving production targets while maintaining a positive work environment.

Inbound Warehouse Specialist needed for a fast-growing European B2B distributor of cannabis and smoking accessories. Responsibilities include receiving, inspecting, and processing supplier deliveries, managing inventory, and handling customer returns. Must have at least 1-2 years of experience in a warehouse role and excellent attention to detail.

Identify and engage new business opportunities by researching and targeting potential customers. Build relationships with prospects through outbound activities and qualify leads to ensure a strong sales pipeline. Book meetings and product demonstrations for the sales team. Maintain and manage the CRM pipeline and work closely with sales and marketing teams.

Impress, a leading orthodontic clinic chain, seeks a Dutch and English-speaking ZZP dentist with experience in invisible orthodontics. The role involves providing treatment plans, conducting examinations, and delivering aligner treatments.

As Principal Scientist External Innovation, you will identify, evaluate, and connect early-stage scientific innovations to strategic priorities. You will focus on technology scouting, external collaboration, and translating scientific advancements into future opportunities across the animal health portfolio.

As a People & Culture (HR) intern, you will gain experience in areas such as recruitment, labor law, internal communication, and administration. You will support daily operations, develop people-related trainings, and harmonize processes.

Maintain critical electrical installations in the Netherlands' largest data centers, including UPS systems, generators, and distribution boards.

Acts as a compliance liaison between Health Care Compliance and Professional Education, ensuring compliance by design in professional education events and activities. Provides guidance on compliance requirements, reviews contracts, and collaborates with internal stakeholders to ensure compliant governance.