software English-speaking jobs in Leidschendam

The European Training Foundation (ETF) seeks Innovation and Innovative Practices in education and training experts for project-based assignments across Europe.

Postdoctoral Researcher will develop and apply a marine ecosystem model to investigate the effects of wind farms and climate change on the North Sea.

Manages and administers cloud identity services, including SAP Cloud Identity Services and Identity Authentication Service (IAS). Configures, monitors, and maintains identity services to ensure secure access management. Provides support for issues related to SAP Cloud Identity Services.

Service Technician to deliver expert maintenance and repair for intralogistics installations. Requires Dutch language skills, technical background in mechanical, electrical, or control systems, and strong problem-solving abilities.

The Safety Supervisor oversees and ensures safe execution of large construction projects, focusing on proactive safety management and compliance with EHS requirements. This role involves supervising safety activities, conducting inspections, identifying hazards, and promoting a strong safety culture.

Backend Software Engineer will design and develop a web application exposing machine learning models to scientific users. Responsibilities include architecting data storage and APIs, providing technical leadership, and collaborating with biologists and machine learning experts.

FP&A Controller ensures accurate financial data and supports operational departments. Analyzes financial results, advises on improvements, and collaborates with teams on month-end closing. Requires strong communication, analytical, and accounting skills. Dutch and English fluency is essential.

Thuisbezorgd.nl seeks couriers to deliver food and groceries. Earn a fixed hourly wage based on age, plus tips. Must be 16 or older and available to work at least one weekday and weekend evening. May require own vehicle (e-bike, scooter, car) and valid license with commercial insurance.

Mechanical Technician needed for corrective and preventive maintenance of technical installations. Requires 5+ years experience, MBO level education in Mechanics, and familiarity with RCA techniques. Responsibilities include managing and improving technical installations, proposing improvement projects, and participating in analyses and plant studies.

Senior Buyer manages sourcing, procurement, and subcontracting for complex maritime and offshore projects. Responsibilities include preparing tender packages, evaluating offers, negotiating contracts, and monitoring supplier performance. Requires a Bachelor's or Master's degree, 5+ years of relevant experience, fluency in Dutch and English, and the ability to work cross-functionally.

Leads finance activities for Lankhorst business, providing financial service internally and to local authorities. Plans, monitors, and analyzes financial data to provide management with understanding of financial and operational performance. Develops financial strategies and plans to identify short-term and long-term opportunities. Manages workload, coordinates with internal departments, and ensures compliance with accounting policies and statutory requirements.

As an Assistant Store Manager, you will support the Store Manager in overseeing daily operations, managing product placement, and optimizing store layout. You will develop and lead a team, ensuring exceptional customer service and adherence to company guidelines.

Talent Scientist will drive talent analytics, conduct behavioral interviews, and build relationships with stakeholders to ensure effective hiring processes. Requires a Bachelor's or Master's degree in a Psychology based subject and experience in talent acquisition within technology or consulting.

The EMEA Demand & S&OP Manager will coordinate the S&OP process, align demand and supply planning, and lead reporting and data management initiatives. This role will partner with the Director for Supply Chain Planning to drive process improvement and manage key project management initiatives.

Adyen seeks an experienced Offensive Security Expert to validate platform security and identify vulnerabilities. Responsibilities include performing penetration tests, collaborating with developers on remediation, and participating in purple teaming exercises. Candidates should have at least 5 years of offensive security experience, strong communication skills, and experience with open-source tooling and Linux/MacOS environments.

Service Technician to maintain medical injector systems. Troubleshoot, repair, and test returned systems. Perform upgrades, preventive maintenance, and on-site electrical safety tests. Support customers and colleagues with technical questions.

Senior Sales Manager will manage Pay-Per-Call campaigns, pitch and close advertiser accounts, and analyze performance. Requires 3+ years in affiliate marketing with a focus on Pay-Per-Call, a network of advertisers, and experience in various verticals.

Warehouse Employee needed for Data Centre Operations 2 squad. Responsible for managing logistics, coordinating deliveries, maintaining inventory, and operating material handling equipment. Must be Dutch speaking, have a logistics background, and be proficient in logistics software and Microsoft Office Suite. On-call shifts required.

Senior Data Engineer needed for freelance role. Develop, maintain, and scale data pipelines with a focus on data quality. Requires strong SQL and Python/PySpark skills, Airflow experience, and familiarity with Snowflake. DBT experience is a plus.

Quantitative Risk Manager will develop, implement, and maintain risk models, analyze market risk, and expand the risk framework. Responsibilities include monitoring trading activity, building quantitative models, performing scenario analysis, and collaborating with traders to mitigate risk. Requires up to 3 years of experience in financial services, proficiency in Python or C++, and strong analytical and communication skills.