developer English-speaking jobs in Leidschendam

Trainee Consultant to manage a "mini business" within the company, connecting hiring managers with freelance talent. Responsibilities include business development, account management, candidate sourcing, and deal negotiation. Fluency in Dutch or German + English, or English fluency with 1.5 years of B2B sales or recruitment experience required.

Designs and develops production-grade backend systems in Python for a sovereign AI platform. Focuses on integrating AI and LLM functionality into business processes and user workflows. Ensures AI components are reliable, auditable, and operate within enterprise-grade environments. Collaborates with other engineers and the technical architect.

As an Account Manager, you will connect supply and demand for used trucks and trailers in the Middle Eastern market. You will manage leads, develop sales initiatives, and handle contracts and financial settlements.

Lead Python developer for a 2-3 year project in Amsterdam. Responsibilities include communicating with stakeholders, developing software architecture, and driving innovation. Must have experience with server-less technologies, container orchestration, CI/CD pipelines, and Azure environment. Strong Python skills and knowledge of various software engineering design patterns are required.

Support the Non-Destructive Testing (NDT) department in achieving safety and quality objectives. Assist with preparing materials, maintaining equipment, and executing inspection processes according to established procedures.

A global immunotherapy leader seeks a Key Account Manager to drive sales growth and market share in the southern Netherlands. The role involves developing strategic plans, building relationships with key hospital accounts, and influencing prescribing behavior.

Senior Machine Learning Engineer designs, builds, and deploys AI solutions used in production environments. Leads projects, translates business challenges into technical solutions, and collaborates with teams. Requires 4+ years of experience in software, ML, or AI engineering, cloud platforms, and project leadership.

Manage and maintain server and hosting environments, perform updates and upgrades, and build new server environments. Support infrastructure projects, monitor system performance, and participate in a 24/7 on-call rotation.

Quantitative Automation Intern for a 6-month internship at Oojo, part of Dyninno Group's travel division. The role involves analyzing data, building models, and developing automated pricing strategies. Must be a current student at a Dutch university with a background in Physics, Mathematics, or a related quantitative field.

Freelance, part-time remote role assessing the relevance and cultural appropriateness of online advertisements. Must have professional proficiency in English and Dutch, familiarity with Dutch culture, and access to required technology.

Experienced Operations Manager needed for safe, efficient, and compliant production across Dutch and UK North Sea assets. Lead operational planning, manage turnarounds, and interface with stakeholders. Drive continuous improvement and incident response.

Technical Buyer needed for offshore branch. Responsibilities include purchasing, contract management, and vendor management. Requires 3+ years of procurement experience in oil and gas, offshore, or marine sectors. Bachelor's degree in Business Administration or a technical field required. Fluency in English is required.

Support the planning and execution of business events from start to finish. Collaborate with clients, suppliers, and internal teams. Assist with project proposals, timelines, logistics, and on-site event management.

Technical Project Lead needed to plan, coordinate, and execute projects for drive solutions in industrial machines, electric vehicles, and robots. Must have strong technical project leadership and project management skills, experience leading cross-functional teams, and proficiency in product development processes. Software development, testing, and excellent communication skills are also required.

Electrician / Elektromonteur needed for housing and utility projects. Must have at least 2 years of experience, relevant diplomas, knowledge of NEN 1010 and NEN 3140, and a valid VCA certificate.

Operations & Floor Manager needed for busy brunch restaurants in Amsterdam. Hybrid role combining office work (2 days) with hands-on floor leadership (3 days). Minimum 3 years hospitality management experience required. Fluent in English.

Freelance Commercial Manager sought for air technology company. Generate new projects in North Holland and South Holland within residential, utility, and industrial sectors. Proven sales experience and network in construction, installation, or real estate required.

Fullstack Web Developer with expertise in React, Laravel, and CI/CD practices. Will work on web applications, contribute to architectural design, and utilize AI tooling.

The Facilities Technical & Emergency Response Administrator supports operational continuity by managing communication systems, emergency response tools, and technical infrastructure. Responsibilities include operating mobile radios, administering emergency response software, providing AV support, managing site access systems, overseeing energy monitoring, and administering local software tools.

Provide technical support for Haier HVAC systems (A2W, VRF, split units, and chillers). Analyze faults, assist with troubleshooting, and deliver training sessions.