qa English-speaking jobs in Leidschendam

Senior (Front-end) Developer needed to build and maintain high-quality code for digital flagship stores using a tech stack including HTML, CSS, JavaScript, TypeScript, Node.js, React, and Next.js. Expert knowledge of web technologies, AI-assisted development tools (e.g., Claude Code), and headless CMS platforms (e.g., Contentful, Storyblok, Sanity) is required.

Software Development intern to integrate AI into daily work, contributing to innovative products and platforms.

Data Engineer to build and scale Hunkemöller's enterprise data warehouse and data mesh on Google Cloud. Develop data pipelines using SQL, dbt, and GCP technologies. Leverage AI tools to accelerate development and automate tasks. Collaborate with teams to implement data models and optimize data platforms for analytics and AI.

Junior Solution Consultant will design and implement customer-specific planning solutions. Responsibilities include translating business questions into technical solutions, supporting customers throughout the solution lifecycle, and collaborating with internal and external teams.

Senior Software Engineer to design, build, and maintain robust backend systems supporting clearing, settlement, and financial operations. 5+ years of experience building reliable, distributed backend systems in production environments required. Strong programming skills in Go and experience with PostgreSQL and Kubernetes are essential.

Design and validate Industrial IoT hardware for hazardous (Ex) environments. Develop schematics, PCB layouts, and radio transceiver designs. Support ATEX, IECEx, and product certification activities.

Data & Digital Intern will develop and implement digital solutions within a research environment. Responsibilities include data analysis, reporting, dashboard creation, and identifying opportunities for digital solutions. Must have strong Excel skills, experience with M365, and be enrolled in a relevant Bachelor's/Master's program.

Invest-NL seeks a Dynamics 365 Specialist to support digital transformation initiatives. The role involves translating business needs into technical solutions within Dynamics 365 CE, Power Apps, and Power Automate. The Specialist will also maintain relationships with stakeholders, oversee application management, and contribute to team knowledge development.

Build and operate streaming and batch data pipelines for market, trading, and portfolio data. Design and evolve the Keyrock Data Platform, including data contracts, schema evolution, and data governance. Develop derived analytics and work with a team to shape the platform's standards and culture.

Senior technical analyst needed to define and structure complex B2B integration approaches (OCI, cXML, APIs, EDI) for large customers. Focus on Dutch market integration and potential broader integration strategy.

As Marine Systems Lead Engineer, you design and integrate all ship systems from concept to construction. You collaborate with clients, suppliers, and classification societies, ensuring systems function as a cohesive whole. You guide the engineering team, promote sustainability, and contribute to the development of robust, efficient vessel designs.

Platform Engineer to monitor, support, and automate production environments. Experience with container platforms (Kubernetes, OpenShift), cloud environments, CI/CD tools, and scripting.

Leads a multi-disciplinary team of 15+ people responsible for Allego's core business platforms. Ensures predictable delivery, technical coherence, and long-term system health. Drives technical excellence across QA, automation, reliability, and secure-by-design practices. Partners with business and IT stakeholders to provide delivery realism and technical insight.

The Head of Commercial 3-PL & Fashion & Apparel defines and executes the multi-year commercial strategy for these verticals across EMEA/APAC. This role leads international sales teams, builds senior customer partnerships, and translates customer needs into automation strategies.

Maintenance Engineer analyzes technical issues, implements improvements, and supports technicians. Requires a Bachelor's degree in a relevant field, strong analytical skills, and experience with root cause analysis. Knowledge of control systems (PLC) is beneficial.

Category & Market Insights Analyst for a well-established FMCG organization. Analyzes market, category, and competitive data to provide insights and recommendations for growth. Requires strong analytical, communication, and presentation skills.

Senior Appian Developer sought for process automation and workflow optimization. Designs, develops, and optimizes Appian workflows and interfaces. Builds integrations with enterprise systems and advises on automation opportunities. Minimum 2 years Appian development experience required.

Senior Full Stack Python Engineer will build and maintain the core platform powering the Wellis healthtech platform. Responsibilities include designing and implementing FastAPI endpoints, managing the PostgreSQL database, and contributing to security and IAM infrastructure. Experience with Python, PostgreSQL, API design, and security best practices is required.

Experienced Client Executive to manage and grow strategic enterprise accounts in the Netherlands and UK. Responsible for defining and executing account strategy, driving revenue growth, and ensuring client success. Requires 7+ years of complex software sales experience, including SaaS solutions to C-level executives. Must have strong industry knowledge of Retail or Retail Technology and fluency in English and Dutch.

This role involves translating engineering needs into functional specifications, analyzing issues, and driving solutions for Cadmatic application improvements. The successful candidate will manage Cadmatic processes, interfaces, and project environments, provide user support, and deliver training.