developer English-speaking jobs in Leidschendam

Manage and optimize paid media campaigns, focusing on Google Ads and full-funnel performance. Analyze campaign performance, translate data into insights, and collaborate cross-functionally.

Senior Amazon Commercial Lead will own Amazon performance and P&L across multiple European markets. Responsibilities include leading growth initiatives across 1P and 3P marketplace models, developing Joint Business Plans, and defining pricing, promotional, and assortment strategies. Requires 8+ years of e-commerce experience, prior Amazon management experience, and a proven track record of leading Amazon P&L performance.

Dutch qualified lawyer with 7+ years of experience advising on complex financial markets transactions and regulatory matters. Expertise in debt and equity capital markets, structured finance, derivatives, and EU financial regulations.

Technology Lead will interface with stakeholders, apply technical proficiency across the Software Development Life Cycle, and deliver high quality code. Experience leading end-to-end technology solutions, managing technical teams, and working in a client-facing environment is required.

Develop and close transactions for clients in the clean energy and environmental markets. Manage relationships with utilities, project developers, and other key players. Trade products such as carbon offsets, renewable energy certificates, and transport quotas.

Senior Executive-Engineering will oversee shift operation and maintenance of utilities, ensuring cGMP and safety compliance. Responsibilities include managing production, implementing best practices, and monitoring compliance with SOPs. The role also involves equipment qualification, preventive maintenance, and project execution.

Senior Energy Marshall will oversee Power and Energization activities, partner with EHS teams, and ensure safe working conditions for MEP system testing and validation. Requires a Master's or Bachelor's degree in a relevant field and experience in construction management of large, complex projects involving substantial MEP systems.

The Accounts Receivable Analyst will drive data-based insights, automation, and analytical excellence within the Accounts Receivable domain. This role will analyze AR and revenue data, develop dashboards and analytical models, and optimize AR data workflows.

Develop and execute sourcing strategies for Optiver's global hardware category. Lead sourcing events and negotiate with suppliers for servers, compute, networking, and storage hardware. Partner with Infrastructure and Technology teams to ensure hardware strategy supports business performance and scalability.

Business Controller R&D provides financial insights and analyses to support R&D leaders in driving efficiency, cost control, and profitability. Responsibilities include supporting budgeting, forecasting, monthly performance reviews, and business cases for new product development.

Design, develop, and optimize deep learning models for medical image analysis. Collaborate with software engineers to integrate and deploy models. Prepare and process data, including data cleaning, annotation, and pipeline development.

Spearhead expansion into the DACH market as a strategic advisor, crafting tailored payment solutions for large platforms and marketplaces. Lead high-level consultations, build a sales pipeline, and collaborate with a team to drive revenue growth.

Data Platform Engineer to build, maintain, and optimize a cloud-based data platform using Azure and Databricks. Apply IaC, CI/CD pipelines, and modern cloud technologies. Collaborate with engineers, product owners, and stakeholders to design and deliver data-driven solutions.

As a Sales Assistant, you will provide excellent customer service, maintain store appearance, manage sales and inventory, and collaborate with the team. You will champion sustainability initiatives and contribute to social media and digital content.

Medior backend developer to rebuild existing tech infrastructure and create new applications using Kotlin, MongoDB, and Azure. Develop, test, and deploy code while contributing to best practices. Experience with REST, APIs, CI/CD, and cloud technologies is required.

Defines and governs secure, resilient technology architecture for the Technology Function, translating business drivers and risk priorities into scalable, future-ready infrastructure and operational security solutions. Ensures platforms are secure by design, aligned to business outcomes, and sustainable. Partners with various teams to balance requirements, constraints, and opportunities. Provides architectural direction, coaching, and mentoring to uplift capability. Identifies and assesses architectural risk across platforms, integrations, data flows, and infrastructure landscapes. Defines and enforces non-negotiable architecture standards, controls, and guardrails. Embeds "secure by design" and resilience principles into all technology designs. Leads gap analyses between current and future states and defines migration and modernization plans aligned to business priorities. Assesses infrastructure readiness for AI workloads and data-intensive platforms. Embeds AI-driven infrastructure and automation approaches where appropriate. Delivers a coherent, secure, and resilient global technology architecture. Aligns technology roadmaps to business outcomes and operational needs. Reduces technical debt and unmanaged complexity across the IT estate. Accountable for the health, safety, and wellbeing of their teams.

Senior Frontend Developer will lead and collaborate on a React-based operator interface for a safety-critical product. Responsibilities include translating traffic safety goals into user-friendly interfaces, ensuring code quality, and acting as the UI/UX expert within a backend-driven environment. Requires 5+ years of experience developing complex interfaces for real-time, device-facing equipment, expertise in React, TypeScript, gRPC, GitLab, and Docker, and strong communication skills.

Business Intelligence Manager with 5+ years of experience in CPM systems, specializing in CCH Tagetik. Designs, develops, and maintains CCH Tagetik applications for budgeting, forecasting, and reporting. Expertise in data modeling, ETL processes, and Power BI. Collaborates with teams to translate business requirements into scalable solutions.

Lead the product vision and strategy for a proprietary Player Account Management (PAM) solution, transforming it into a market-leading platform for enterprise customers in regulated markets.

Senior Process Development Engineer to manage end-to-end production across the product lifecycle. Translate product specifications into manufacturing outputs, driving innovation and manufacturability. Lead process optimization using Lean Six Sigma methodologies.