Principal Engineer - Application Development

Mendix is committed to revolutionizing the application development landscape by simplifying the creation process. Our platform empowers all stakeholders in an enterprise's digital transformation—business analysts, web developers, software engineers, and even executives—to actively contribute to developing superior applications more efficiently. Our mission i…

Join Mendix – the Premier Low-Code Application Development Platform:The Mendix Platform revolutionizes application development by utilizing visual modeling to eliminate extensive coding. Our clients harness Mendix to rapidly create and deploy superior enterprise software. Mendix fosters a collaborative environment where business users and developers can seamlessly engage throughout the development lifecycle.Explore our Customer Stories to discover the diverse software solutions that global organizations have successfully built using our platform.At Mendix, we are committed to cultivating a diverse, inclusive, and safe workplace, allowing individuals to express their authentic selves. We value every perspective, celebrate individuality, and appreciate the richness of diverse experiences. Our team members are motivated, intelligent, and excel in their respective fields.As the market evolves, we invite individuals of all skill levels to engage with our platform, both for clients and candidates. Apply now to learn how you can contribute meaningfully to Mendix.Our teams, based in Munich, DE, and Rotterdam, NL, are at the forefront of innovation within Mendix, focusing on cutting-edge technologies that democratize Generative AI solutions as part of our global R&D initiative.The Munich team is dedicated to developing innovative solutions that empower our customers to create smarter applications leveraging generative AI while ensuring a seamless developer and end-user experience. Many of our components are featured in the Mendix marketplace, showcased in this app and are available through Mendix Cloud GenAI Resource Packs.

Are you a motivated applications specialist with a passion for business processes and IT? Do you thrive on optimizing applications that have a direct impact on Dura Vermeer? If so, we want to hear from you!Your Role:As a Business Applications Specialist at Dura Vermeer in Rotterdam, you will collaborate with your team to manage, optimize, and further develop a variety of business applications. You will work with different systems that support our core business processes, such as WhiteVision, SolidBricks, 4PS, and Proactis.You will engage daily with users, suppliers, and colleagues, ensuring that applications are perfectly aligned with the organization's needs.Your responsibilities will include:Managing and optimizing various business applications within the application landscape.Ensuring the continuity and availability of the applications.Handling second-line support inquiries, analyzing causes, and implementing sustainable solutions.Providing functional and technical support to end-users.Preparing, testing, and facilitating changes, updates, and releases.Identifying improvement opportunities in processes and system configurations and translating these into actionable initiatives.Advising and implementing optimizations and new functionalities.

Join Wellis as we revolutionize the digital healthcare experience for tens of thousands of patients. As our Product Manager for Web & App, you will take ownership of the product roadmap for our digital platforms, leading initiatives that enhance conversion rates, boost patient retention, and improve overall satisfaction. Collaborate with cross-functional teams including engineering, UX/UI, and medical operations to transform insights into actionable product improvements.About UsWellis is an innovative healthtech scale-up, transforming the healthcare landscape by integrating medical expertise with cutting-edge technology and data analytics. In just three years, we have grown to serve tens of thousands of customers and are committed to making healthcare smarter, more efficient, and personalized. Our mission is to empower individuals with accessible, tailored care through our intuitive platform, enabling them to take charge of their health journeys.Role OverviewIn the position of Product Manager for Web & App, you will define the product vision and strategy for our digital patient journey. This entails managing the entire spectrum from initial patient engagement to ongoing treatment. You will work closely with design and engineering teams to prioritize enhancements that align with business objectives and user needs while leveraging data to identify improvement areas. Your analytical mindset will guide you in conducting experiments in collaboration with our Conversion Rate Optimization (CRO) specialist.Key ResponsibilitiesLead the product roadmap and prioritize features for Wellis’s web and mobile platforms based on user needs and business goals.Define, scope, and execute product initiatives that enhance the entire digital patient experience.Collaborate with cross-functional teams to ensure successful product launches and continuous improvements.Analyze data and user feedback to identify friction points and opportunities for enhancement.Run experiments and A/B tests to validate hypotheses and drive data-informed decisions.

At Norday, a strategic digital agency, we partner with sectors such as healthcare, public services, museums, and startups, empowering clients to lead in their domains. Our multidisciplinary team collaborates on digital projects that truly impact people's daily lives. If this resonates with you, you might be the React Developer we are looking for!What will you do as a React Developer at Norday?You will join our public team, a dedicated multidisciplinary unit working with clients in the public sector, such as Rotterdampas. Your role will involve crafting high-quality, user-friendly web applications. Collaborating with our UX designers, visual designers, and backend developers, you will create impactful digital platforms that prioritize the user experience. You will transform wireframes and design prototypes into high-performing, accessible, and scalable front-end solutions while contributing to quality assurance within the team.Your Responsibilities:Develop interactive, responsive, and accessible headless web applications using React and Next.js;Implement APIs for data exchange and integration with SaaS systems (Sanity, Storyblok);Write clean, maintainable code in HTML, CSS, and JavaScript;Optimize web applications for performance, scalability, and accessibility;Contribute to digital accessibility, ensuring an optimal user experience for all.Who Are You?You are someone who takes responsibility and stays updated on new technological developments. You can communicate clearly with both clients and team members (from stand-ups to demos), easily switch between various stakeholders and projects, work solution-oriented, and find energy in delivering a high-quality end product.Our ideal React Developer will have:Over 4 years of experience as a (front-end) developer, preferably in a digital agency environment;

About Hunter Douglas Hunter Douglas is a global leader in window coverings and architectural products, with a history spanning more than 100 years. The company’s brands, including Luxaflex®, are known for quality, style, and functional design, found in homes and commercial spaces around the world. As the European market leader in customized window covering solutions, Hunter Douglas Europe focuses on products that combine engineering, design, and manufacturability from concept to production. Role Overview: Junior Product Development Engineer Location: Rotterdam Hunter Douglas is looking for a motivated Junior Product Development Engineer to join the team in Rotterdam. This role offers hands-on experience in product development within an international setting. Main Responsibilities Assist with developing new products and components from initial idea to industrialization. Create and update 3D CAD models and production drawings. Support technical calculations, testing, and product validation. Help manage production processes and ramp-ups. Work to improve functionality, quality, and manufacturability of products. Collaborate with international engineering colleagues, including teams in Germany and other locations. Coordinate with the documentation team to ensure accurate assembly and installation manuals. Engage with product management, production, purchasing, and marketing teams. What We’re Looking For Bachelor’s or Master’s degree in Mechanical Engineering or Industrial Design. 0–3 years of relevant experience (recent graduates welcome). Interest in product development and manufacturing processes. Proficiency in 3D CAD software (experience with Creo is a plus). Proactive, detail-oriented, and a strong collaborator. Fluent in English; Dutch and/or German skills are a plus. Why Join Hunter Douglas? The company values creativity, intelligence, and a willingness to take on challenges. Employees benefit from competitive compensation and development opportunities in an entrepreneurial environment that recognizes individual contributions.

At Norday, we strive to create meaningful change through design and digital creativity. As a digital design and innovation agency, we focus on enhancing the future of healthcare and public services while crafting exceptional digital experiences and narratives for museums and startups driven by sustainable missions. Let’s redesign for life!Norday is proud to be a B Corp, aligning perfectly with our mission to leverage technology and design for a better world. Our team's ambition is to address the significant challenges of our time. Comprising around 50 dedicated professionals, we work in small, agile teams focused on specific domains. This structure allows us to maintain the flexibility of a small agency while enjoying the reach of a larger one. With over 100 international design awards, Norday stands as a leader in the industry.Part of HandpickedWe are part of Handpicked, a collective of 12 agencies employing approximately 300 colleagues. This network enables us to tap into specialists in SEO, marketing, and AI, enhancing our ability to serve our clients and team members. Handpicked has been built without venture capital, offering employees equity to share in our successes.Norday promotes a diverse work environment and is an equal opportunity employer. We encourage applicants from all backgrounds and identities to apply.If you wish to join our team but do not see a suitable vacancy, we welcome your spontaneous application!

KVL is constantly on the lookout for new team members. Whether you have a passion for Data & Analytics or possess another expertise that can enhance our teams, we are excited to explore the ongoing opportunities and challenges that arise within our organization.If you don't see a suitable vacancy at the moment but are eager to join our team, don't worry! We are always open to talented individuals who wish to contribute.Feel free to send us an open application, detailing in your motivation letter why KVL appeals to you, what kind of work you would like to pursue, and the experience you bring. This will help us gain a better understanding of who you are so we can reach out to discuss potential opportunities together.

Can't find a role that suits you? No problem! Some of our best talent joined us before we even realized we needed them. If you are passionate about HelloPrint, we want to connect with you.About UsAt HelloPrint, we are on a mission to create the world’s largest platform for customizable printed products. We are a profitable company experiencing rapid growth and are expanding from Europe to the US with a compact yet efficient team. Our growth strategy is intentional; we believe in enhancing our processes, raising standards, and leveraging AI to automate tasks traditionally done manually. Working with us means you’ll have real ownership where results matter more than rigid job descriptions.Who We're Looking ForWe're in search of proactive individuals who are ahead of the curve: those who apply before a job opening is even advertised. This typically indicates that you:Utilize AI as a fundamental tool, not an afterthought.Focus on outcomes rather than just tasks.Proactively solve problems without waiting for guidance.Thrive in fast-paced environments, even when things are not fully defined.Prefer building systems rather than merely maintaining them.If you require a structured environment to begin, this may not be the right fit for you. However, if you view this as an opportunity, let’s chat!Our Work EnvironmentWe operate on an office-first model, based in Rotterdam and Valencia. This approach is not due to a lack of trust in remote work, but rather because we believe that speed, energy, and authentic collaboration occur when people are physically together.This Role May Not Be For You IfYou seek:Clearly defined roles, structured pathways, and detailed onboarding processes.A strong emphasis on work-life balance from the outset.Remote-first or hybrid working preferences.

At Altares Dun & Bradstreet, we frequently update our job offerings. If you don't find a position that fits your profile but still wish to express your interest, or if you're looking for a valuable internship opportunity, this might be for you.Please note that the positions currently listed are tied to specific roles and requests, making them more targeted and increasing your chances of success. If your ideal position is not listed but you are eager to join our team, we welcome open applications. These can be advantageous when a role is planned but not yet advertised. We would be pleased to add your profile to our Talent Pool. The Application ProcessUpon receiving your application, we will assess it with the team responsible for your field of interest to see if there is a match, and we would be happy to schedule an initial meeting. If there are no suitable vacancies at the time of your application, we may keep your resume and cover letter on file for a few months in case a relevant position opens up. If we haven't contacted you after 6 months, we will thank you once again for your interest and patience. In compliance with GDPR regulations, your data will be deleted. What Will You Do?Internship OpportunitiesAre you searching for an internship (graduation internship) but haven't found a suitable option in our job listings? No worries! You can still submit your application through this page. Altares Dun & Bradstreet aims to collaborate with interns and we are eager to explore possibilities within our company. Who knows, we might soon share a cup of coffee to discuss this! To find the best match, we would like to see the following in your application:The type of internship you are interested in;Why you would like to intern with us;The internship requirements from your educational institution. Interested? What Now?If you're enthusiastic about Altares Dun & Bradstreet and want to submit an open application, that's fantastic! Please upload your cover letter and CV through this page. We would like to see:Your preferred role and work area.Why you want to work at Altares Dun & Bradstreet.

Are you a motivated application specialist with a strong passion for Microsoft 365, particularly SharePoint Online? If you possess ownership, excel in communication with diverse stakeholders, and are eager to develop at the intersection of projects, processes, data, and systems, we want to hear from you. Collaborating with fellow specialists, you will contribute to a stable and future-proof SharePoint environment, playing a direct role in enhancing our digital workplace. Does this sound like your next step? Then you might be the perfect fit!Is This Your Future Role?As a Microsoft 365 Application Specialist at Dura Vermeer Group in Rotterdam, you will be responsible for the management, optimization, and continuous development of our Microsoft 365 landscape. While the primary focus is on SharePoint Online, you will also engage with Teams and Exchange Online.Your responsibilities will include:Managing, optimizing, and ensuring the continuity and availability of Microsoft 365 applicationsConfiguring and managing security settings and compliance policiesAddressing second-line notifications from the IT Service Desk: investigating causes, assessing impacts, and implementing structural solutionsPreparing, testing, and guiding changes, updates, and releases, including impact analysis on processes and careful implementationActively following developments within Microsoft 365 and translating these for the organizationIdentifying improvement opportunities in processes and system configuration and translating them into concrete initiativesCoordinating with and managing suppliers and internal stakeholdersMore About Dura Vermeer Dura Vermeer is a family-owned independent construction company operating in residential construction, utility construction, infrastructure, and technology in the Netherlands. Since 1855, our independence and long-term continuity have been our hallmarks.

At Wellis, we are at the forefront of transforming the healthcare industry. As a rapidly expanding scale-up, we are reshaping one of the most traditional sectors with innovative solutions. In just two years, we have evolved into a thriving European company, serving tens of thousands of satisfied customers—and this is only the beginning.Our mission is to enhance daily living by ensuring healthcare is accessible, personalized, and integrated. With our cutting-edge platform, individuals can navigate their health journeys with trusted medical guidance, intelligent digital tools, and customized programs. We thrive on agility, challenge the status quo, and create impactful solutions, as we believe quality healthcare should be available to everyone.Why Submit an Open Application?Our growth trajectory means new opportunities are continually emerging across various fields such as Marketing, Technology, Medical Operations, Customer Care, and Product Development. If you don't see a position that fits your expertise today, we still want to hear from you!If you are passionate about enhancing healthcare, thrive in a fast-paced scale-up environment, and are eager to make a meaningful difference in people's lives, there might be a place for you at Wellis.

Listen. The Youth. Create the essence of culture.At The Youth, we do not just give a voice to the youth.They already have one.We ensure that they are heard, and we translate that into what we create.We thrive where culture, creativity, and technology intersect.Not trend-following. Not safe.But sharp, curious, and firmly grounded in the present.At The Youth, we believe in building together.In diverse perspectives.In individuals who listen before they speak.Listen. The Youth.Not as a promise.But as practice.Would you like to become a part of our team? Submit your open application here.

Who Are We?At QTerminals Kramer Rotterdam, you have the opportunity to be part of a dynamic and internationally operating company in the port logistics sector. We specialize in loading, unloading, storing, and repairing containers while offering a wide range of logistics services. Joining our team means being part of a dedicated and professional group where personal growth and development are a priority. Do you want to contribute to the success of one of Europe's most significant logistics hubs? Apply now!Your Role:As an Application Manager, with a primary focus on Oracle Fusion, you will ensure the optimal performance, utilization, and continuous improvement of applications within the organization. You will be responsible for enabling users to work efficiently and effectively with the systems by managing functionalities, resolving incidents, translating user needs into solutions, and ensuring the alignment between processes and applications.You will act as the bridge between the user organization, IT departments, and external suppliers, contributing to stable, reliable, and well-structured information systems.Your responsibilities include:Managing and optimizing application functionalities;Configuring, testing, and managing changes and releases;Translating user requirements into functional solutions;Drafting and maintaining functional documentation, manuals, and work instructions;Logging, analyzing, and resolving incidents and user inquiries;Identifying structural problems and initiating improvements;Serving as a second line contact for application-related queries;

At Nexio Projects, we are passionate about empowering individuals to contribute to a sustainable future. As a trusted partner across various industries, we strive to simplify sustainability challenges, ensuring clarity and transparency to inspire meaningful action. Our approach is rooted in facilitation and implementation, with a firm belief in the impact of incremental change. We value every voice and cultivate an environment that encourages maximum potential, constantly seeking enthusiastic intrapreneurs who embrace creativity and a light-hearted approach.Your Typical WeekYour week begins on Monday morning, re-energized from the weekend. You kick off with a team meeting to reflect on past achievements and set intentions for the week ahead. This fosters alignment and enthusiasm as everyone shares updates from their departments and the organization’s priorities.Throughout the week, you’ll engage in a mix of client-facing responsibilities and research initiatives. Fridays conclude with our gratitude award, a moment to celebrate the week's successes and express appreciation. Our team often extends the day with some bonding time over complimentary drinks.Does this sound like the right environment for you? Are you curious and eager to assist businesses in becoming positive forces for change? If you thrive in a dynamic team aiming for collective goals, we invite you to apply!Three Compelling Reasons to Join Us:Shape Your Journey at Nexio ProjectsJoin our collaborative international team where you can expand your expertise and focus on the sustainability topics that ignite your passion.Benefit from Our Comprehensive PackageWe prioritize our people’s well-being to help them unlock their full potential, offering an extensive benefits package, including subsidized wellness services and a competitive pension scheme.Immerse Yourself in Our Unique CultureFrom educational workshops and sustainable clothing swaps to Friday socials and themed events, we love to create enjoyable and inspiring experiences – and we’re always eager for fresh ideas! Nexio Projects is an equal-opportunity employer, committed to fostering diversity, equity, and inclusion throughout our hiring processes.

Open ApplicationAt Dapper, we are on a mission to transform B2B marketing into a vibrant and impactful force. We partner with dynamic B2B brands that aspire to differentiate themselves, accelerate growth, and innovate beyond conventional boundaries.We are eager to connect with curious, ambitious, and talented individuals who wish to redefine the landscape of B2B marketing. Even if there isn't a current opening that aligns perfectly with your skills, we invite you to reach out and share your story.If you have a passion for marketing, creativity, growth, and being part of a high-energy team, this could be the beginning of an exciting journey.

Mendix – Pioneering Low-Code Application Development:The Mendix Platform empowers rapid application development through visual modeling, minimizing traditional coding barriers. Our clients harness Mendix to accelerate the creation and deployment of software tailored for enterprise needs. Mendix fosters collaboration between business stakeholders and developers throughout the development lifecycle.Explore our Customer Stories to see the range of innovative applications and solutions crafted by global organizations using our platform.At Mendix, we are committed to cultivating a diverse, inclusive, and secure work environment where every individual can express their authentic self. We appreciate diverse perspectives and value each voice in our community. Our team members are driven, intelligent, and excel in their respective domains.As the market continues to evolve, we invite individuals of all expertise levels to engage with our platform, whether as clients or candidates. Apply today to learn how you can contribute meaningfully at Mendix.About the Team: You will become part of a core engineering team that lays the groundwork for Studio Pro, Mendix’s premier Integrated Development Environment (IDE). This team is responsible for the development and maintenance of essential platform elements, including version control, solution governance, and backend systems that facilitate collaborative development.Most of the development work focuses on C#/.NET and backend functionalities, with select native UI components also created in C#.The Role:Are you a proactive C# developer who thrives on building sophisticated development platforms? Would you like to contribute to an IDE utilized by countless professional and citizen developers? Are you excited by the prospect of tackling architectural challenges and streamlining complexities for end users?As a Mid-Level C# Software Engineer, you will be responsible for key functionalities within Studio Pro. Your role will involve designing, extending, and refactoring the platform's mechanisms that facilitate version control, governance, and large-scale application development. Your contributions will have a direct impact on how Mendix developers create, collaborate, and deliver applications globally.

Only candidates currently residing in the Netherlands will be considered.At Alphacomm, we empower major European corporations to enhance their financial stability and unlock new revenue opportunities. Our expertise lies in boosting average revenue per user, mitigating fraud in online transactions, and minimizing the risks associated with non-payments and late payments. Operating from our offices in Romania, Rotterdam, the UK, and Germany, we are a trusted partner for numerous large organizations across Europe. Our unique blend of experience and strategic insight enables us to support our clients in securing their revenue while enjoying a collaborative work environment.We are in search of a talented Front-End Developer proficient in building component-based applications using React and Redux.You will collaborate closely with design, product, and backend teams to create fast, accessible, and reliable user experiences for our clients.Our core values include:CareEyes on the prizeThink differentlyWalk the talkHave funKey Responsibilities:Develop, enhance, and maintain reusable components using React and TypeScript.Manage complex state using Redux (including RTK, slices, async thunks, and selectors).Integrate with RESTful APIs and effectively manage asynchronous flows (loading, error states, retries, optimistic updates).Convert Figma designs into high-performing, responsive, and accessible user interfaces.Ensure compatibility across different browsers and devices while maintaining UI consistency across various products.Work with product, design, and backend teams to refine requirements and enhance user experience.Write clean, maintainable code and actively participate in code reviews and technical discussions.Adhere to accessibility standards (WCAG) for all user-facing features.Create unit and integration tests for critical workflows (checkout, login, forms, API interactions).

HighlightsRelease updates multiple times a day.Receive recognition and credit for your contributions.Your impact is directly visible and significantly enhances port logistics.Mission OverviewIn this pivotal role, you will lead sprints and epics while being an integral part of one of our agile scrum teams. As a scrum team member, you will analyze, construct, test, and deploy innovative software solutions. Your passion for development drives you to contribute actively to the coding process.You are a Java developer who passionately discusses your field and keeps abreast of the latest industry advancements. You embody innovation and are continually seeking smarter solutions, which you share with your colleagues.

Are you an experienced development professional eager to make a significant impact? Do you excel in collaboration with a creative approach? With your extensive knowledge and experience, can you maintain a strong overview and tackle complex challenges involving multiple stakeholders? Are you adept at inspiring and aligning all parties involved? If so, we want to hear from you!Your RoleAs an Area Developer at Dura Vermeer, you will successfully steer complex, often urban projects. You will transform existing buildings, raw sites, or ready-to-build locations into vibrant residential and commercial areas, potentially in various phases. Your responsibilities will include managing concepts, timelines, finances, and collaboration with partners and stakeholders. You will also represent Dura Vermeer in collaborations or participations. Working closely with your internal colleagues, such as concept developers and project developers, you will ensure our positions and developments progress smoothly, empowering our project developers to start with the right foundations.Your responsibilities will include:Collaborating with various stakeholders including development partners, municipalities, designers, advisors, and clients.Managing concepts, impact, finances, planning, and risks.Structuring collaborations effectively.Ensuring the right conditions are met, such as commitment from parties and appropriate contractual agreements.Accelerating processes through effective communication and decision-making.Facilitating a smooth handover of projects to project developers.Dura Vermeer's Focus on Real EstateDura Vermeer has ambitious goals as a developer. Our portfolio features challenging (area) developments with distinctive concepts, primarily located in urban settings. Our area of operation spans Zuid-Holland, where we embrace urban challenges and aim to add maximum value to our plans. This results in projects where you can truly impact urban planning, architecture, sustainability, and social cohesion.As an organization, we are growing towards a branch that annually acquires and sells 800 homes with risk-bearing capacity. This means we take on significant responsibilities in the development process.