Ecommerce Data & Conversion Optimization Internship

About S4DS4D is a dynamic omnichannel software partner dedicated to enhancing the delivery experience for restaurant chains. With offices in Amsterdam and Katowice, we proudly support well-known brands such as New York Pizza, Papa Johns, Apache Pizza, Pizza Hut, Spare Rib Express, and Belchicken. As one of the fastest-growing SaaS scale-ups in the Netherland…

Have you ever wondered why certain customer interactions are seamless and memorable while others are not? At CM.com, we strive to create effortless, personalized, and relevant customer journeys through our AI-powered Customer Engagement Platform. By integrating conversations, customer data, and payments with AI Agents, we empower businesses globally to enhance their customer experiences and accelerate growth together.Our services are distinctively structured within four business units: Connect, Pay, Live, and Engage.What You Will DoAt CM.com, we hold the value of Grow & Learn in high regard, as we believe in fostering young talent. We are excited to announce our upcoming (graduation) internships, commencing in September 2026.If you are a dedicated Data Science and AI student seeking a graduation internship, you’ve come to the right place! CM.com hosts multiple analytical and AI-focused teams eager to mentor interns and guide them through impactful projects. This is your chance to tackle real-world data-driven challenges, explore AI-driven products like HALO or Inspire, and collaborate with experienced professionals passionate about data innovation. Don’t miss out on this opportunity to engage in a meaningful Data Science & AI project with us!Ideal Candidate Profile:Currently pursuing a bachelor’s or master’s degree.Preferably a graduate student searching for a graduation internship.Available from September 2026 for a minimum of 20 weeks.Fluent in both English and Dutch.Residing within a commutable distance from one of our offices (Amsterdam, Breda, or Tilburg).

In het kortTijdens deze stage krijg je de kans om deel uit te maken van één van onze dynamische Growth Teams, waar je actief bijdraagt aan het ontwikkelen en implementeren van innovatieve growth marketing-strategieën. Je zult hands-on ervaring opdoen in het identificeren van creatieve groeikansen, het opzetten van experimenten en het analyseren van gegevens. We moedigen je aan om jouw ideeën te testen en vorm te geven met behulp van de nieuwste tools en technologieën.Over Sprints & SneakersAls B-Corp gecertificeerde growth marketing agency met vestigingen in Amsterdam en Groningen, stellen wij missiegedreven merken in staat om duurzame groei te realiseren door middel van data-gedreven experimenten, technologie, AI en creativiteit. Ons doel is om bedrijven te ondersteunen die een positieve impact op de wereld hebben. Ons multidisciplinaire team, dat bestaat uit data-experts, growth marketeers en AI-specialisten, optimaliseert de volledige marketingfunnel, van merkbekendheid tot merkambassadeurschap, werkend in agile “sprints”. Bekend als de eerste B-Corp Growth Agency van Nederland, staan we voor “Growth for Good”. Onze no-nonsense cultuur, gesymboliseerd door “sneakers” in plaats van maatpakken, brengt startup-energie naar zowel grote organisaties als gedurfde startups.Jouw impact binnen deze rolIn de rol van Growth Marketing Stagiair(e) draag je bij aan de groei van onze missiegedreven klanten en ons eigen merk. Je ondersteunt het team bij het opzetten, optimaliseren en analyseren van digitale marketingcampagnes, en leert hoe je data en tools effectief inzet voor optimale resultaten. Jouw inzet zal onze marketingstrategie niet alleen effectiever maken, maar ook innovatiever. Je zult onder andere werken aan:SEA, SEO & Social Advertising: Je helpt bij het opzetten, monitoren en optimaliseren van betaalde en organische campagnes om bereik, conversies en merkbekendheid te vergroten.Data & Analytics: Je verzamelt en analyseert data om inzicht te krijgen in campagneprestaties en gebruikersgedrag, en vertaalt deze inzichten naar concrete verbeteringen.A/B Testing: Je bedenkt, test en evalueert verschillende varianten van campagnes, landingspagina’s of content om continu betere resultaten te behalen.

About Matt Sleeps Matt Sleeps is a scale-up in Amsterdam focused on changing how people buy mattresses. The team of 17 works from an office above De Hallen, right in the city center. Over the years, Matt Sleeps has earned the title of best-tested mattress in the Netherlands eleven times. The company now offers more than mattresses: toppers, beds, bedding, and accessories round out the product line. The culture values action, improvement, and smart automation. Every team member receives an adaptable mattress as a benefit. Role Overview The E-commerce Manager leads the performance and growth of the Matt Sleeps webshop. This position sits at the intersection of data, marketing, and product. The role involves driving conversion rate optimization, running experiments, and supporting scalability. Oversight of a major webshop migration project is also part of the job. Collaboration with external agencies ensures that A/B testing, new features, and improvements move forward quickly and efficiently. What You Will Do Own key e-commerce metrics: conversion, average order value, revenue, and funnel optimization Build and execute a structured CRO roadmap Run ongoing A/B tests (UX, copy, pricing, flows) and turn findings into actions Manage and challenge external partners (development, CRO, analytics) Prioritize the backlog and push for fast implementation of improvements Analyze data using GA4, heatmaps, and funnel tools, then report insights Work closely with marketing (paid, CRM, content) to boost campaign conversions Prepare for international expansion, including localization, UX changes, and tooling Who We’re Looking For 3–6 years’ experience in e-commerce, growth, or CRO roles Strong analytical skills and a habit of making decisions based on data Comfort with A/B testing tools and analytics platforms (such as GA4, Hotjar, VWO, or Optimizely) Experience working with and managing external agencies Ability to set priorities independently and take ownership of outcomes Skilled at moving between strategy and hands-on execution Location This role is based in Amsterdam, Noord-Holland, Nederland.

Greetings! Are you on the lookout for an exciting new opportunity or simply exploring the job market? If so, you've come to the right place! We are seeking a talented Account Manager to join our dynamic Retail/Ecommerce team based in Amsterdam. In this role, you will be responsible for expanding your portfolio of Lightspeed’s most valued retail clients. As a trusted partner for your customers, you will adopt a collaborative approach to comprehend their goals and challenges. Your mission is to deliver consistent value throughout the customer journey, fostering strong, enduring relationships based on mutual trust, ensuring every client feels appreciated. Your ultimate objective is to empower our Retail/Ecommerce customers to achieve their desired outcomes, leading to lasting partnerships and sustainable business growth. Please note: This position is based in Amsterdam, Netherlands, and requires fluency in Dutch due to a portfolio of Dutch customers. Key Responsibilities: Nurture outstanding relationships with existing customers while ensuring their continued success. Meet and exceed sales targets and quotas. Plan and conduct Quarterly Business Reviews and Success Plans. Monitor customer usage data, go-live dates, and health indicators, translating these into strategies for account retention and growth. Advocate for industry and customer needs within Lightspeed to support prioritization and timely investment in innovations. Collaborate cross-functionally with internal teams—including implementation, support, and product—to deliver superior customer satisfaction and resolve at-risk events. Develop and drive the strategy for each customer in your portfolio. Provide customer feedback to the appropriate teams to enhance the end-to-end customer journey and address product gaps. Qualifications: We’re looking for a sales-driven candidate who possesses the following: Fluency in Dutch and English (Dutch is essential for success in this role). Experience in customer success, account management, sales development, or business development. Understanding of solution-based consultative sales and customized solutions.

At bunq, we are not merely creating a banking application; we are revolutionizing the way individuals globally experience financial independence. As our Internal Process Optimization Specialist, you will play a pivotal role in driving our operational efficiency. Your primary goal will be to assess, redesign, and automate the internal processes that our teams and users depend on daily.Embrace OwnershipIn this role, you will collaborate across the organization to pinpoint bottlenecks, eradicate inefficiencies, and develop scalable solutions.Conduct in-depth analyses of our internal workflows to uncover inefficiencies, bottlenecks, and pain points that impede team performance and success.Design, build, and maintain robust automated workflows utilizing low-code platforms (such as n8n) and custom scripts to eliminate manual tasks and streamline end-to-end operations.Transform raw operational data into clear, actionable insights. You will be responsible for creating dashboards and reports for process owners and team leads to facilitate data-driven decision-making.Engage closely with stakeholders from various departments to understand their challenges, gather requirements for process enhancements, and effectively oversee the implementation of new solutions.

Join redcare-pharmacy as a Product Director specializing in Conversational AI for Customer Service and Pharma Advisory. In this pivotal role, you will leverage cutting-edge technology to enhance customer interactions in the pharmaceutical sector. You will lead a talented team, orchestrating product development from conception to launch, ensuring alignment with market needs and regulatory standards.Your contributions will be crucial in driving innovation and improving user experience through AI-driven solutions.

Optimize digital journeys that significantly enhance conversion and sales.At Carré, the experience begins online: on the website, through campaigns, and at every step towards ticket sales. In this role, you will take ownership of our digital channels and witness the immediate impact of your work. You will continuously analyze, optimize, and improve in an environment where data, creativity, and culture intersect.Your Role at CarréAs a Digital Experience & Performance Marketing Specialist, you will operate at the intersection of data, technology, and content. You will be responsible for the digital foundation where campaigns, content, and ticket sales converge, playing a crucial role in shaping our audience's online experience. In this position, you will manage the Carré website and the performance of our online campaigns, ensuring that the website functions optimally both technically and content-wise, and that campaigns drive conversions. By testing, measuring, and adjusting, you will continuously enhance the online customer journey. Your efforts will have a direct impact on reach, ticket sales, and the quality of our digital experience.You will work within the Marketing & Communication team and report to the Head of Marketing & Communication. You will collaborate closely with colleagues from marketing, ticketing, and programming, and work alongside external agencies. The team is professional, engaged, and informal. We work collaboratively, share ideas, and take responsibility for our work. The CRM Marketer manages the lifecycle and email journeys, while you, as the Digital Experience & Performance Marketer, oversee website funnels, landing pages, and conversion rate optimization (CRO). Both roles work closely with data analysts to create a cohesive customer journey.What Will You Specifically Do?Publish and optimize content in the CMS, from text and images to landing pages for our performances, ensuring that all content aligns with our brand experience and conversion goals.

Hello!Are you on the lookout for a new career opportunity or simply exploring your options? If so, you might be exactly where you need to be!We are seeking an Account Manager to join our dynamic Retail/Ecommerce team in Amsterdam. In this role, you will be instrumental in expanding our portfolio of Lightspeed’s most valued retail clients.As a trusted partner to your clients, you will adopt a collaborative approach aimed at understanding their objectives and challenges. Your focus will be on delivering consistent value throughout their customer journey, fostering strong, long-lasting relationships built on mutual trust, ensuring every client feels appreciated. Your ultimate objective will be to assist our Retail/Ecommerce clients in realizing their desired outcomes, thereby nurturing enduring partnerships and driving sustainable business growth.** Please note that this position is based in Amsterdam, Netherlands. Due to a portfolio consisting of Dutch clients, fluency in Dutch is essential. **Key Responsibilities:Cultivate and maintain exceptional relationships with existing clients to ensure their ongoing success.Achieve and exceed sales targets as part of your core responsibilities.Develop and deliver Quarterly Business Reviews and Success Plans.Analyze customer usage data, go-live dates, and health indicators to formulate strategies for account retention and growth.Represent industry and customer needs within Lightspeed to advocate for prioritization and timely investment in innovation.Collaborate cross-functionally with internal teams including implementation, support, and product to ensure outstanding customer satisfaction and resolution of at-risk situations.Lead and strategize for each customer within your portfolio.Channel customer feedback to relevant teams to enhance the overall customer journey and address product gaps.Qualifications:We are looking for a sales-oriented candidate with the following qualifications:Fluency in both Dutch and English (Dutch is a mandatory requirement for success in this role).Proven experience in customer success, account management, sales development, or business development.

At Patagonia, we believe in the power of business to foster positive change. Since our inception in 1973, we have been committed to creating high-quality outdoor apparel while advocating for the protection of our planet. As a certified B Corporation and a founding member of 1% for the Planet, we proudly contribute over $145 million in grants and in-kind donations to grassroots environmental groups worldwide.Your Role:Join us in our mission to save our home planet as an eCommerce Onsite Merchandiser. In this dynamic role, you will be responsible for the visual and strategic presentation of products on eu.patagonia.com. Your work will enhance customer experiences by curating product assortments, optimizing category pages, and executing marketing campaigns that reflect our brand values and commercial objectives. By leveraging data insights and collaborating across departments, you will continuously improve onsite merchandising to drive performance.Main Responsibilities:• Site Merchandising: Oversee the visual presentation of products on eu.patagonia.com, including hero product selection, feature colors, and product placements on category pages. Ensure alignment with brand priorities, seasonal direction, and trade performance.• Campaign Execution: Strategically plan and implement merchandising elements for seasonal campaigns in collaboration with the Digital Marketing and Content teams. Shape the onsite customer journey to maintain consistency and engagement while meeting campaign objectives.• Performance Monitoring: Regularly track and analyze merchandising KPIs, utilizing data insights to inform decisions and optimize product visibility. Convert performance trends into actionable recommendations to enhance conversion rates and customer engagement.• Content Optimization: Ensure product pages are equipped with relevant and informative content like size guides, technical specifications, and buying guides. Identify and address content gaps to elevate the customer experience and assist purchasing decisions.• Site Accuracy & Testing: Conduct routine site evaluations and engage in user acceptance testing (UAT) to guarantee merchandising accuracy and functionality. Adapt swiftly to in-season changes and propose enhancements to improve site performance.

Join Our Mission to End Cocoa ExploitationAt Tony’s Chocolonely, we are dedicated to eradicating exploitation in the cocoa industry. More than just a chocolate company, we are an impact-driven organization focused on responsible growth and sustainable practices. Our Global Legal Operations team is pivotal in ensuring that our work processes are robust, scalable, and conducive to our mission.Your Role in Our TeamWe are excited to introduce a new Contract Lifecycle Management (CLM) system, enhancing how we collaborate across departments. We are looking for a passionate Legal Operations Intern to assist our Legal team in Amsterdam. If you have an enthusiasm for legal technology, process optimization, and streamlining legal workflows, this is an incredible opportunity for you to make a difference.What You Will Gain:Hands-on Experience: Engage in the implementation and optimization of a CLM tool within a dynamic international environment.Process Automation: Learn to design workflows, approval routes, and metadata structures that facilitate efficient legal operations.Process Improvement Skills: Develop your ability to map and enhance existing processes for clarity and efficiency.Contracting Knowledge: Understand various contract types (e.g., NDAs, supplier agreements) and key legal principles.Communication and Project Management: Cultivate skills to prepare training materials and effectively communicate legal processes to non-legal teams.

Join dept as a CRO Consultant specializing in Dutch-speaking markets and help businesses enhance their conversion rates through data-driven insights and innovative strategies. Develop comprehensive optimization plans, collaborate with cross-functional teams, and leverage your expertise to drive measurable results.

Role overview Bunq is searching for a Web Brand Designer in Amsterdam to help define the next generation of its website design system. This role centers on building a scalable and dependable foundation that serves both designers and AI-powered development tools. The work goes deeper than surface-level visuals, aiming to create a user experience that stands out for clarity and consistency. What you will do Design system architecture: Lead the development and refinement of the website design system, including tokens, components, and layouts. The system will support both human designers and AI tools. AI-driven workflows: Set up and manage AI tools such as v0, Lovable, and Cursor to design, build, and launch web pages and components. The focus is on improving speed and consistency across the site. Conversion-driven design: Apply conversion rate optimization principles to layouts, components, and user flows. Prioritize designs that drive user sign-ups. Full stack ownership: Oversee the entire process from initial concept through to interactive prototype, moving designs into production independently and without developer support. Location This position is based in Amsterdam, Noord-Holland, Netherlands.

Be a Part of Our Supply Chain Revolution!Are you an inquisitive and motivated individual with a keen interest in AI and automation? We invite you to become an integral part of our team as an AI Workflow Automation & Optimization Intern at Simvia.About SimviaAt Simvia, we are dedicated to reshaping global food supply chains to be more transparent, sustainable, and secure. Our innovative team is building the world’s largest food and beverage network, empowering buyers, retailers, and wholesalers with insights to ensure food safety and sustainability. Join us as we simplify compliance for a better future and enjoy the journey along the way!Your RoleAs an AI Workflow Automation & Optimization Intern, you will be pivotal in enhancing our operations by identifying, constructing, and refining AI-driven workflows throughout the organization. You will work closely with our Product & Operations teams to unlock efficiencies and foster innovation.Your Key Responsibilities:Develop and enhance AI-driven workflows utilizing APIs, webhooks, and automation tools.Investigate and experiment with new AI technologies, models, and capabilities.Identify automation opportunities across Product, Operations, and Commercial teams.Design and deploy scalable solutions to minimize manual tasks.Maintain and document workflows and integrations.Assist in prompt engineering and the development of AI use cases.Analyze processes to pinpoint areas for efficiency enhancements.We are looking for an eager individual ready to start soon and commit for a minimum of 4–6 months, preferably working 32–40 hours per week.Desired Attributes:Passion for AI – You are excited about the potential of AI technologies and keen to explore their transformative impact on business processes.Innovative Mindset – You enjoy crafting solutions and enhancing systems from the ground up.Curiosity & Experimentation – You proactively test new tools and methodologies and are open to learning through trial and error.Self-Starter – You take initiative and are comfortable working autonomously.

Are you looking to make a significant impact across the organization by simplifying processes, reducing administrative burdens, and enabling data-driven governance? If so, this temporary position at NLR is the perfect opportunity for you.NLR is launching a comprehensive improvement program aimed at optimizing processes, minimizing administrative overhead, and professionally supporting project and resource management through modern Business Intelligence (BI) tools. We are seeking an experienced project leader to initiate, direct, and realize this initiative, expected to last approximately one year.Your ResponsibilitiesYou will lead an organization-wide project where you:Define objectives and requirements in collaboration with stakeholders across the organization.Analyze current processes, systems, and information provisions.Determine project scope, phases, and approach (preferably agile).Select and prioritize use cases.Identify and structure the necessary data.Optimize processes wherever possible.Select and implement suitable BI and project management tools.Develop management reports and dashboards focusing on financial analyses, progress reporting, project, and resource management.What You BringProven skills in project management; planning, executing, and monitoring projects to implement and support process changes.Strong analytical skills, persuasive communication, vision, and the ability to rise above the details to understand processes and identify areas for improvement.Knowledge and practical experience with BI tools and technologies to develop solutions that align with business needs.You possess a strong presence backed by expertise.Excellent communication skills in both Dutch and English to effectively engage with various stakeholders.What We Offer YouWorking at NLR means being part of a national and international high-tech environment. Collaboration and involvement are paramount to us. By granting you freedom and personal responsibility, you are best positioned to achieve groundbreaking innovations. If you wish to develop both professionally and personally, or perhaps pursue a promotion, NLR, as a learning organization, supports you with a training budget and more.

airapps is looking for a Search Engine Optimization (SEO) Specialist based in Amsterdam. This position centers on improving the company’s online presence and attracting more organic visitors to its platforms. Role overview The SEO Specialist will play a key part in shaping and executing strategies that support airapps’ business objectives. Working closely with colleagues across different teams, the role requires both technical and collaborative skills to deliver results. What you will do Enhance online visibility for airapps’ digital platforms Drive growth in organic traffic through targeted SEO initiatives Work with cross-functional teams to implement and refine SEO strategies Align SEO efforts with broader business goals Location This role is based in Amsterdam.

At Serverfarm, we are at the forefront of transforming data center operations, boasting over 750 locations and strong partnerships across 45 countries. Our mission is to revolutionize the data center landscape in North America, Western Europe, and Israel, catering to the demands of leading technology and hyperscale firms. Following the acquisition by Manulife Investment Management in 2023 and the introduction of our award-winning InCommand platform, we are poised for remarkable growth as the surge in AI and cloud technologies fuels unprecedented demand for data center capabilities.A career with Serverfarm places you at the cutting edge of digital infrastructure innovation, allowing your contributions to significantly shape the management and security of global data. As we aim for a fourfold increase in our operations over the next four years, you will encounter unparalleled opportunities to tackle challenges, acquire advanced skills, and advance your career within our expanding international framework.Become part of our innovative team and play a pivotal role in crafting the future of sustainable data centers while fostering a career without limits.We invite you to join our Data Center Operations team as an onsite intern, directly reporting to the Data Center Manager. In this dynamic role, you will gain hands-on experience in data center operations, assisting with our inventory management system, logistics coordination, and facility maintenance processes. This position offers you unique opportunities to shadow experienced Data Center Technicians, providing insight into the critical functioning of facility environments while contributing to impactful operational enhancements.

Dept is looking for a Data Engineer Intern to join the team in Amsterdam or Rotterdam. This internship offers practical experience in data engineering and the chance to contribute to real projects alongside experienced colleagues. What you will do Work on data integration, analytics, and visualization tasks as part of ongoing projects Collaborate with professionals in the field to solve technical challenges Apply and develop technical skills while learning about current tools and technologies in data engineering Who this role is for Individuals interested in data engineering and eager to start a career in this area Those looking to gain hands-on experience and learn from skilled team members This internship focuses on learning through direct involvement in project work. Candidates will have opportunities to build technical knowledge and contribute to meaningful outcomes.

Join Indie Campers as a Tourism Intern and immerse yourself in the vibrant travel industry in Amsterdam! As a key member of our team, you'll have the opportunity to learn about various aspects of tourism, enhance your skills, and contribute to exciting projects that promote travel experiences.

Join our dynamic team at Acetate as a Buying and Planning Intern in Amsterdam! This internship offers a unique opportunity to gain hands-on experience in the fast-paced world of fashion buying and planning. You will work closely with our experienced team to assist in inventory management, market analysis, and supplier negotiation, enhancing your skills in a real-world setting.