software English-speaking jobs in Leidschendam

iOS Developer needed for a contract role in Amsterdam. Must have strong Swift and/or Objective-C experience, familiarity with iOS frameworks, and knowledge of RESTful APIs.

Senior Associate Scientist will lead and support process analytics projects, developing and sustaining process models for real-time monitoring and automation. Responsibilities include executing process analytics solutions, developing Raman chemometric models, and ensuring compliance with J&J, cGMP, and EHS standards.

Produce, clean, and assemble flexible stainless-steel hoses and assemblies in a cleanroom environment. Work according to customer specifications and quality standards. Perform quality checks, cleanliness validations, and machine setup/adjustment.

Senior Sensor Software Developer will design and implement sensor fusion frameworks, develop navigation algorithms, and build object recognition models for autonomous underwater vehicles.

Provide customer service to international customers, primarily in German, via email and phone. Assist customers with device selection and troubleshooting technical issues. Must be fluent in German and English, and available a minimum of 16 hours per week.

Develop, configure, and implement control and automation solutions for sorting and transportation systems. Work as part of a development team, collaborating with colleagues in Germany and the Netherlands.

As a Product Security Partner, you will act as the primary security expert for engineering teams, ensuring security is embedded in the product lifecycle. You will provide technical guidance, facilitate threat modeling, and develop security resources. You will collaborate with various teams to build secure financial services and support security assessments and audits.

Operate and maintain complex machinery to manufacture graphic products. Ensure production meets quality standards and delivery times. Communicate with colleagues and supervisors about order status and process progress.

Junior Infrastructure Engineer sought for 12-month contract supporting a range of building and industrial projects. Responsibilities include reviewing design documentation, supporting road, rail, and building infrastructure projects, and working with multidisciplinary teams.

Project coordinator responsible for administrative processing of customer projects from initiation to invoicing. Ensures smooth project execution, manages administrative tasks, and supports invoicing and customer communication. Requires accuracy, strong attention to detail, and excellent organizational skills.

QA Operations Specialist supports batch release processes, performs quality reviews, and ensures document lifecycle management.

Junior Accounting Assistant needed for a global trading company. Responsibilities include processing invoices, managing accounts payable and receivable, and supporting reconciliations. Requires relevant education or experience, strong attention to detail, and fluency in English.

Provides administrative support to an international logistics team in Amsterdam. Processes customer orders, transport assignments, and documentation. Requires experience in logistics administration and proficiency in CO-pilot, ERP, or Transport Management Systems.

Extrusion operator needed for a plastics company in Tilburg. Operates extrusion machines, reviews production schedules, performs quality checks, and bags/transports masterbatches. Requires LBO diploma, fluency in Dutch and/or English, and technical insight.

Assembly Technician needed for production of electric machines and systems. Responsibilities include assembling components, performing quality checks, and collaborating with colleagues.

Senior Treasury Risk Analyst will monitor and manage financial risks, develop financial models, and provide strategic advice on specialized financial risk topics.

Ensures samples of raw materials, semi-finished, and finished products are weighed, packed, and shipped according to IATA regulations. Tasks include picking, cleaning, weighing, filling, preparing shipments, and creating labels.

Process Automation Engineer needed for a well-established international energy company. Provide technical expertise related to process control systems, automation technologies, and safety systems. Support operations, maintenance, and engineering teams. Design, implement, and troubleshoot automation system modifications. Collaborate with process engineers and other technical disciplines.

Postdoctoral Researcher to develop AI-based biomarkers for cancer treatment monitoring. Responsibilities include correlating tumor delineations with treatment responses, benchmarking AI uncertainty methods, and developing interpretable predictive models. Requires a PhD in AI or Medical Image Analysis and experience with deep learning and model uncertainty estimation.

Sales Development Representative will identify target companies and decision-makers, conduct outreach via email, LinkedIn, and phone, and maintain the CRM system. Must have at least 1 year of B2B sales experience with enterprise customers, excellent German (C2 or higher) and English skills, and the ability to work remotely.