software English-speaking jobs in Leidschendam

Full Stack Software Engineer owning the self-service cloud portal for a data integration platform. Build features using Python/FastAPI and Angular/TypeScript, managing end-to-end deployment and production.

Deliver fresh meal boxes safely in the North of the Netherlands. Must have mandatory experience driving delivery vans and be available for at least two fixed days per week.

Mobile Engineering Manager to lead the transition of a regulated mobile app to in-house ownership. Define processes, build/scale the team, and ensure compliance (ISO 13485, IEC 62304) for the Kaleido App.

Technical Maintenance Engineer roles available for Electrical or Mechanical/HVAC backgrounds. Responsibilities include managing maintenance, contractors, and equipment uptime. Requires technical capability and fluent Dutch.

Support biotechnology development in strain engineering, fermentation, and downstream processing. Review partner R&D activities, organize experimental data, and prepare technical summaries. Requires a degree in a related science and English fluency.

Expert Java Developer needed to design and build enterprise systems using microservices, REST APIs, and Kafka. Requires 9+ years in Java backend development, experience with Vert.X, NiFi, and OAUTH.

Hands-on, CRM-led Digital Marketing Executive role owning the UK email channel. Drive repeat purchase and revenue growth through CRM planning, execution, and optimization for a sustainable e-commerce brand.

Hands-on Manufacturing Engineer needed to scale early-stage products into efficient production. Responsibilities include designing processes, tooling, and assembly systems. Requires 3+ years of experience and a relevant engineering degree.

Senior Linux Systems Engineer to own and maintain Linux foundations for industrial hardware. Responsibilities include building custom images, managing SaaS platforms, and driving security and reliability. Requires 4+ years of experience and strong Python/Linux skills.

Deliver online grocery orders for Albert Heijn, ensuring timely and excellent service. Responsibilities include processing payments and acting as a brand ambassador. Requires a valid Category B license and good communication skills.

Project Engineer roles available, offering Lead Engineer or Project Lead pathways. Responsibilities include technical support, managing project scope, and leading cross-functional teams for engineering projects. Requires an engineering degree and 5-7 years of experience.

Senior Presales Consultant for a growing international SaaS business in the audit and accounting sector. This role leads product demonstrations and solution discussions for mid-market and enterprise prospects, acting as a product expert during the sales cycle. Requires native or fluent Dutch and strong English skills, ideally with an accounting or audit background.

PLC/Automation Engineer needed for international projects. Responsibilities include PLC software development, HMI/SCADA configuration, testing, and onsite commissioning of automated machinery. Strong Siemens PLC experience is required.

Junior Sales Representative for German speaking markets. Drive new sales, establish accounts, and nurture existing clients in the energy storage industry. Requires 1+ year B2B sales experience and native German/professional English.

Account Executive Enterprise drives new business acquisition in large Dutch enterprises. This strategic role focuses on opening new logos and re-engaging dormant accounts across Colt's portfolio. Requires fluency in Dutch and English.

Platform Engineer translates compliance, security, and SRMP requirements into practical controls for Power Platform. Responsibilities include supporting enterprise migrations, strengthening governance, and developing strategies for Power BI/Fabric and Copilot Studio.

R and D Engineer to lead product development for 24/7 renewable heat solutions. Responsibilities include designing, prototyping, and testing thermal energy storage and solar systems. Requires a Master's in Mechanical Engineering and 3+ years of relevant experience.

Senior technical role focused on OS performance, kernel scheduling, and hardware-software co-optimization. Design solutions across CPU, GPU, memory, power, and thermal performance. Requires experience in Linux/Android kernel development and system-level bottleneck resolution.

Project Support Officer supports multiple project managers across area development projects. Responsibilities include organizing meetings, managing documentation, and preparing project reports. Requires MBO-level education and at least two years of municipal experience.

ServiceNow Lead/Architect role requiring C1/C2 Dutch fluency. Candidates need experience in ITSM, ITBM, ITAM, ITOM, and custom application design within medium to large organizations.