qa English-speaking jobs in Leidschendam

Field Service Engineer to support installation, commissioning, and maintenance of commercial and industrial solar PV and energy storage systems. Experience with string inverters, BESS, and fault diagnosis required.

Leads revenue growth for new and existing Enterprise accounts in the Benelux region, focusing on CPG, Retail, and FSI. Manages a team of Account Executives and collaborates with stakeholders across sales, value engineering, business development, and services. Drives partner-led growth, executive sponsorship, and value realization.

Senior Python developer needed for functional testing of large codebases in various languages. Requires deep pytest experience, expert-level Docker skills, strong Linux/Bash scripting, and proficiency with modern Python tooling. Ability to read and understand code in C, C++, Rust, or Go is essential. Experience with LLMs (Claude Code, Roo Code, Cursor) for development acceleration is a plus.

Senior Business Development professional to drive adoption of Visa commercial products for B2B use cases in the Netherlands. Will build relationships with Issuers, Acquirers, and other payment ecosystem players. Requires senior-level B2B sales experience, deep knowledge of sales cycles, and fluency in Dutch and English.

Provides a signature guest experience by greeting visitors, operating cash registers, and maintaining a clean and visually appealing store environment. Performs daily cleaning duties, assists with merchandise receiving, and adheres to LEGO Brand Retail visual standards.

Leads the development and execution of language curricula and assessments, ensuring alignment with the IB educational philosophy. Manages a team, represents offerings externally, and collaborates with stakeholders to promote and enhance understanding of IB programs.

Service Engineer needed for a leading energy developer. Maintain and improve reliability of solar and BESS installations. Conduct inspections, troubleshoot issues, and ensure safe and efficient operation. Requires MBO 4 technical education, 2+ years experience, and a valid BE driver's license.

Web Developer (backend-focused) to build, maintain, and improve ecommerce and content sites. Responsibilities include designing and implementing backend features, translating designs into production-ready code, and optimizing database performance. Experience with PHP/Laravel, WordPress/WooCommerce, relational databases, and AWS is required.

Finance Manager needed for a rapidly scaling international healthtech and biotech platform. Leads daily financial operations, manages month-end close, and prepares financial reports for senior leadership. Requires strong accounting knowledge, a structured approach, and the ability to interact with stakeholders. Dutch language skills are a plus.

Flow Traders seeks competitive, driven graduates for a 3-month training program in Amsterdam. Learn about trading, financial products, and proprietary systems. After training, join an established trading desk and contribute to profitability.

Financial Operations Manager/Director (Maternity Cover) will act as a business partner to European senior management, leading budgeting, forecasting, and long-term planning for operational activities. The role requires strong analytical skills, experience in international environments, and fluency in English.

Freelance Partner to sell and deliver strategy consulting projects in energy, mobility, circular economy, construction, and decarbonization. Build your own client pipeline and participate in a cohort of Freelance Partners. Minimum 4 years in strategy consulting or related field with proven sales and team building abilities.

Email Marketing Strategist to develop and execute email marketing strategies for DTC and eCommerce brands. Manage automated flows, analyze performance, and collaborate cross-functionally. Requires 2+ years of email marketing experience, proficiency in Klaviyo, and a track record of results.

Leads product and manufacturing test strategies for connected products, physical products, hardware, or embedded systems. Oversees testing methodologies, process improvements, and technical challenge resolution. Analyzes test results and provides design recommendations. Drives continuous improvement through Failure Mode and Effect Analysis.

Elastic Engineer will maintain, optimize, and enhance on-premises ElasticSearch clusters. Responsibilities include observability platform management, OpenTelemetry implementation, automated deployment, and operational support.

Experienced commercial leader to drive revenue growth across Europe by managing Key Account and Partnership teams. Develop and execute commercial strategies, coach teams, and optimize revenue streams. Proven track record of leading sales teams to exceed revenue targets.

Designs and implements warehouse and distribution network solutions across Europe and the UK. Translates market channel service needs into efficient logistics solutions. Leads tender processes and contract negotiations. Collaborates with internal stakeholders to deliver optimal solutions.

As a Customer Journey Expert in the Downstream Reporting Squad, you will draft user, business, and IT requirements, align with stakeholders, and design, develop, and test product deployments. You will support initiatives to explain REF NL data to users and work in a hybrid mode with your base in Amsterdam.

This is a part-time logistics employee role at GLS Zwolle. You will unload, sort, and load packages, perform physical tasks, and assist with workspace maintenance. The position requires a VMBO-level education or equivalent, proficiency in Dutch and/or English, physical strength, and the ability to work in a cold environment during evening shifts.

Quality Integrator will harmonize quality initiatives across multiple sites to ensure consistency, efficiency, and strategic alignment. Responsibilities include process alignment, synergy optimization, initiative oversight, strategic advisory, centralization guidance, data and reporting, risk and compliance, change management, cross-site collaboration, and quality systems & regulatory compliance.