software English-speaking jobs in Leidschendam

Senior Service Sales Specialist drives growth of service business across high-voltage systems, transformers, and grid connections. Focuses on business development, identifying new service opportunities and expanding customer accounts. Manages the full sales process from opportunity to contract closure. Requires a Bachelor's degree, minimum 7 years of service sales experience, and fluency in Dutch and English.

Business Analyst to track, analyze, and report SLA and KPI performance. Validate billing data, maintain service inventories, and coordinate with partners. Support customer reviews, renewals, and commercial discussions.

Leads the Bio Method Transfer team, managing large regional analytical transfer projects. Serves as a Subject Matter Expert for LM bioanalytical methods, providing expert troubleshooting and design input. Executes, optimizes, and coordinates complex analytical method transfers, ensuring method readiness and acceptance criteria. Collaborates with R&D and QC stakeholders to drive (network-wide) transfer strategy alignment. Leads, coaches, and develops the Bio Method Transfer team.

As a Sales Assistant at UNIQLO, you will provide exceptional customer service, maintain store operations, and contribute to sales and inventory management. You will also collaborate with colleagues, champion sustainability initiatives, and potentially participate in content creation for social media and other platforms.

Senior Backend Engineer to design and build microservices using Kotlin and Spring Boot for a renewable energy company.

Lead and manage all engineering activities at site level, including NPI and process development. Drive innovation and continuous improvement in engineering and production processes. Ensure successful implementation of new products into operations.

Lead and develop a team of software engineers, fostering a culture of collaboration and continuous improvement. Stay actively involved in software development and technical discussions. Partner with the Technical Lead on architecture and technical strategy.

Lead the Threat Engineering & Application Security function, shaping cybersecurity strategy across Europe. Own the end-to-end Application Security program and manage security tooling lifecycle. Collaborate with engineering, architecture, operations, and project teams to safeguard information and strengthen detection capabilities.

Lead and manage a team of Telesales representatives in the BeNeLux region, driving B2B growth and achieving sales objectives. Develop and expand the corporate client portfolio, utilizing telephone sales techniques and CRM systems.

Serco seeks a Spacecraft AIV System Engineer to support the European Space Agency's Earth Observation missions. The role involves monitoring ESCA, tracking subcontractor progress, ensuring compliance with technical requirements, and maintaining the AIV plan.

Leads and drives the commercial strategy and P&L for the Benelux region. Oversees warehousing, distribution, and cold store operations. Leads commercial growth initiatives and builds relationships with key stakeholders. Manages and develops a high-performance leadership team.

Junior Allocator needed for a global Retail & Sportswear client. Analyze sales and inventory data to forecast demand and optimize stock distribution. Ensure the right product assortment is allocated across stores to maximize sales performance.

Experienced Project Delivery Lead to support the rollout of the NN Global Job Framework across ~10 countries. Focus on execution discipline, alignment, and transparency. Requires proven PMO and project management experience, strong stakeholder management, and the ability to drive progress.

Business Development Manager to cultivate relationships with entertainment industry stakeholders and develop growth strategies for the Dutch market and internationally. Requires 8+ years of experience in consulting or relevant sectors with proven sales success and strong partnership management skills. Fluency in Dutch is required.

Develop and maintain supply and inventory plans for Chelates products, ensuring alignment with forecasts and business priorities. Translate plans into actionable production and replenishment plans. Collaborate with production, logistics, and Demand Planning to ensure plan execution. Monitor inventory and coordinate mitigation actions. Track supply chain KPIs and drive continuous improvements.

Senior Java Solution Architect will design and develop scalable microservices-based solutions using Java 17+ and cloud-native architecture principles. Responsibilities include creating technical design artifacts, leading architectural discussions, and collaborating with stakeholders to translate business requirements into technical solutions.

Senior Leasing Manager will develop and execute the leasing strategy for Mall of the Netherlands, ensuring alignment with commercial and strategic objectives. Responsibilities include leading negotiations, managing relationships with brands, and overseeing leasing activity.

Senior HR Business Partner to partner with Product and Technology organizations, translating business strategies into effective people and organizational strategies. Support leaders on organizational design, team structures, and workforce planning. Coach managers and leaders on leadership effectiveness, team dynamics, and performance management. Manage complex employee-related cases and act as an escalation point for challenging situations.

Senior Python Developer will build and own backend services in Python and FastAPI on GCP. Design secure, reliable systems and turn compliance workflows into product logic.

Develop and maintain executive relationships with international Consumer sector customers, securing new business and expanding partnerships. Lead complex commercial programs and translate global strategy into targeted initiatives, focusing on Fashion and omnichannel solutions.