Frontend Developer Intern

dept is offering a Mobile Development Internship based in either Amsterdam or Rotterdam. This position gives interns the chance to work alongside experienced developers and participate in real-world projects, all while building practical skills in mobile technology and application development. What you will do Work closely with the mobile development team on current projects Develop hands-on skills in mobile app creation and problem-solving Learn directly from professionals with industry experience Who we’re looking for Interest in mobile technology and developing applications Openness to learning and tackling new challenges Comfort working within a collaborative, team-focused environment Location This internship is based in Amsterdam or Rotterdam.

dept offers an internship for a Backend Developer in Amsterdam or Rotterdam. This position gives aspiring developers the chance to gain hands-on experience and learn from seasoned professionals. Role overview The internship centers on supporting backend development for active projects. Interns will join a team of experienced colleagues and take part in real-world software work. What you will do Assist in building and maintaining backend systems for ongoing projects Collaborate with a team of skilled professionals Share ideas and contribute code to development efforts

Founded in 2018, Bitvavo has revolutionized the digital assets trading landscape with its innovative platform, creating a seamless bridge between traditional currencies and digital assets. By prioritizing transparency in fees, offering a diverse range of assets, and ensuring an intuitive user experience, Bitvavo is committed to making the future of currency accessible to all.Within just two years, Bitvavo has risen to prominence as the leading digital asset exchange in the Netherlands and among the largest in Europe, proudly serving over one million users who transact tens of billions in digital assets each year.Our dynamic team based in Amsterdam seeks passionate, driven individuals to join us in our mission to democratize access to digital assets.About the OpportunityAs Bitvavo expands, we are eager to welcome new talent into our fold. We are particularly interested in connecting with Senior Mobile Engineers who possess deep expertise in React Native and are enthusiastic about creating secure, user-friendly applications.This is an ongoing opportunity; we review applications on a continuous basis. While response times may vary based on our hiring needs, we encourage you to express your interest, and we will promptly reach out when a suitable position arises.Your RoleAs a Senior Mobile Engineer, you will play a critical role in designing and developing user interface components while shaping our front-end architecture. You will collaborate closely with the Product Manager, Engineering Manager, Designers, and fellow Mobile Engineers to achieve this goal.Your duties will include crafting responsive, intuitive user interfaces, partnering with designers to actualize their visions, and enhancing the performance and usability of our front-end applications.You will engage in code reviews, influence the selection of new technologies, and collaborate with cross-functional teams to create a seamless user experience. Your knowledge of mobile and front-end development, along with UI/UX best practices, will be instrumental in fostering a user-centric approach.QualificationsMinimum of 5 years of experience in a similar role.Advanced proficiency in React, React Native, Jest, TypeScript, and CSS.Experience with state management libraries like Redux and side-effect management tools such as Redux-Saga.Familiar with testing frameworks such as Jest and/or automation testing tools like Detox, Appium, or Maestro.Knowledge of iOS and Android native development is advantageous.

Role overview airapps is seeking a Mobile Software Architect based in Amsterdam. This position centers on designing and building mobile applications aimed at improving user experience. The architect will play a key role in setting development standards and ensuring that mobile products are both scalable and efficient. What you will do Design and build mobile applications with a focus on user experience Establish and guide development practices for the mobile team Contribute to delivering mobile products that scale and perform efficiently Location This role is based in Amsterdam.

Since its inception in 2018, Bitvavo has been at the forefront of revolutionizing digital asset trading, seamlessly connecting traditional currencies with innovative digital assets. Our platform boasts transparent fees, an extensive asset range, and a user-friendly interface, making the future of currency accessible to everyone.In just two years, Bitvavo has emerged as the market leader in the Netherlands and ranks among the largest in Europe, with a thriving community of over one million users exchanging tens of billions in digital assets annually.We are actively seeking driven and talented individuals to join our Amsterdam team in making digital assets universally available.About the RoleWe are in search of a Senior Staff Engineer, Frontend to redefine how Bitvavo enhances customer experiences across all frontend products.Given that most user interactions occur through our app, this role emphasizes mobile development, with a significant impact across all user-facing interfaces. You will be pivotal in defining our approach to product development, ensuring our engineering teams can deliver swiftly, confidently, and with outstanding quality.This position holds considerable influence across departments, allowing you to shape engineering practices at Bitvavo, establishing principles and systems that guarantee our products remain reliable, fast, and enjoyable for users.Your ResponsibilitiesDefine the technical strategy for all of Bitvavo’s frontend systems.Influence product development processes to deliver fast and seamless user experiences.Collaborate with product and design teams to create intuitive and consistent user interfaces.Lead initiatives focused on enhancing performance, accessibility, and developer productivity.Ensure our products efficiently manage low-latency data interactions at scale.Mentor fellow engineers and foster technical leadership across the organization.Contribute to the operational framework of engineering as Bitvavo continues to scale.QualificationsOver 10 years of experience in developing large-scale, user-facing applications, with a strong emphasis on mobile technologies.Expertise in React Native, React, along with familiarity in iOS and Android native development.Demonstrated success in leading projects that significantly enhance technical quality and user experience.Experience with low-latency or real-time data systems.

1GLOBAL builds mobile communications technology and delivers connectivity solutions for both enterprises and consumers. The company operates its own global mobile core network and eSIM platform, offering regulated telecom services in 40 countries. Over 70 million connections worldwide use 1GLOBAL’s platform, serving clients such as leading banks, digital-first companies, and major consumer brands. With headquarters in the Netherlands and R&D centers in Lisbon, Berlin, and São Paulo, 1GLOBAL employs nearly 500 people across 15 countries. Founded in 2022 by Hakan Koç and Pyrros Koussios, the company is on track to exceed US$200 million in revenue and US$25 million in profit by 2025. Recent growth includes wins with large enterprise and mass-market clients, fueling continued investment in technology and infrastructure. This Amsterdam-based team welcomes detail-oriented students interested in telecommunications, mobile technology, or quality assurance. The group supports testing for a global Mobile Virtual Network Enabler (MVNE) platform and offers hands-on experience in the field. Role overview The Part-Time Mobile Network Testing Intern role centers on supporting mobile network testing activities. This internship is designed for students seeking practical experience in telecom services and network quality assurance. What you will do Run daily functional tests on mobile devices, including calls, SMS, data, voicemail, call forwarding, call barring, and related services Follow structured test cases using physical smartphones and SIM/eSIM profiles Verify service configurations such as subscription controls and feature provisioning Assist with broader mobile network testing efforts as needed

airapps is looking for a Mobile DevOps Engineer in Amsterdam to help strengthen and support the infrastructure behind its mobile applications. The role centers on maintaining and improving the systems that keep mobile products running smoothly. Role overview This position works side by side with development teams. The main focus is on making sure mobile apps integrate well and updates reach users reliably. Maintaining the infrastructure and streamlining delivery processes are core responsibilities. What you will do Maintain and enhance the infrastructure supporting mobile apps Collaborate with developers to support integration and delivery Help ensure mobile releases are delivered smoothly and efficiently Location This role is based in Amsterdam.

Tebi builds a unified restaurant management system that connects sales, reservations, kitchen prep, payments, and analytics on one platform. The company’s technology supports hospitality teams as they streamline operations and improve service quality. Founded by Arnout Schuijff, co-founder of Adyen, and backed by €50 million from Index Ventures and CapitalG, Tebi already serves thousands of restaurants, cafés, bars, and coffee shops in the Netherlands, the UK, and beyond. Role overview This is a full-time position for recent or soon-to-graduate engineers interested in backend or mobile development. As one of Tebi’s first Graduate Software Engineers, you will join a team where learning and growth are central. The role offers hands-on experience with backend systems that handle financial transactions and real-time data, and the chance to help shape features that support restaurant teams daily. You will work closely with experienced engineers, starting with clear, manageable tasks. Guidance is provided through code reviews and regular feedback. Over time, responsibilities expand as your skills develop. The stack includes Kotlin (for backend and mobile), Google Cloud Platform, and PostgreSQL. What you will do Contribute to the codebase, focusing on backend features with support from senior engineers. Work on well-defined tasks such as fixing bugs, creating small endpoints, and improving services, with opportunities to take on larger projects as you grow. Participate in code reviews and learn Tebi’s coding standards and practices from experienced teammates. Write clean, maintainable code while building skills in testing, version control, and deployment. Join merchant visits to see how Tebi’s platform is used in real restaurant settings. Adopt a learning mindset: ask questions, experiment safely, and develop into a confident backend engineer with support from the team. Requirements Recent or soon-to-be-completed degree in Computer Science, Software Engineering, or a related field. Interest in software development and motivation to build technical skills. Some familiarity with Kotlin or another programming language, along with a basic understanding of backend development concepts. This position is based in Amsterdam.

In het kortBij Sprints & Sneakers krijg je de unieke kans om een directe impact te maken in onze organisatie. Je zult intensief samenwerken met onze Business Development Specialist en de oprichter, waarbij jouw ideeën en inbreng cruciaal zijn voor de groei van ons bureau. Je speelt een essentiële rol in het verder ontwikkelen van ons salesproces en het realiseren van innovatieve concepten door gebruik te maken van technologieën zoals AI. Dit is jouw kans om je sales- en marketingvaardigheden naar een nieuw niveau te tillen en actief bij te dragen aan ons succes.Over Sprints & SneakersSprints & Sneakers is een B-Corp gecertificeerde growth marketing agency met kantoren in Amsterdam en Groningen. Wij helpen missiegedreven merken om duurzame groei te realiseren door middel van data-gedreven experimenten, technologie, AI en creativiteit. Ons doel is het ondersteunen van bedrijven die een positieve impact op de wereld willen maken. Ons multidisciplinaire team, dat bestaat uit data-experts, growth marketeers en AI-specialisten, optimaliseert de volledige customer journey, van merkbekendheid tot merkambassadeurschap. Als de eerste B-Corp Growth Agency van Nederland, zetten we ons in voor positieve impact en sluiten we aan bij de 17 Duurzame Ontwikkelingsdoelen van de VN. Onze ethos van 'Growth for Good' staat centraal in alles wat we doen. Met een frisse, no-nonsense cultuur, symbolisch weergegeven door 'sneakers' in plaats van maatpakken, brengen we de energie van startups naar zowel grote organisaties als gedurfde startups.Onze KernwaardenBij Sprints & Sneakers hechten we veel waarde aan eerlijkheid in alles wat we doen. We geloven in de kracht van voortdurende groei en leren, zowel professioneel als persoonlijk. Het opbouwen van waardevolle relaties is essentieel in ons werk, omdat we geloven dat samenwerking en wederzijds respect de sleutel tot succes zijn. We nemen verantwoordelijkheid voor ons werk en zorgen ervoor dat we altijd het beste uit onszelf halen.Onze focus ligt niet alleen op het werk, maar ook op het creëren van een blijvende impact. We streven ernaar om alles wat we doen memorabel te maken, zowel voor onszelf als voor onze partners. Dit betekent hard werken, maar ook genieten van het proces en van de groei die we samen doormaken.Jouw Impact in deze RolGeen dag is hetzelfde, maar je zult je vooral richten op het ontdekken van nieuwe kansen voor Sprints & Sneakers. Je onderzoekt markten en identificeert potentiële partners, terwijl je werkt aan het structureren van ons salesproces en het implementeren van innovatieve strategieën.

Are you poised to create something remarkable? Are you motivated by the challenge of scaling operations across diverse markets, developing and leading high-performing teams, and influencing the future of venture capital? If you possess a passion for innovation, the ability to motivate others, and a commitment to building and leading teams—this opportunity is for you.Your MissionWe seek an outstanding Director of International Expansion to steer CVX Ventures into its next growth phase across both established and new markets. You will be the catalyst for our vision to establish Europe’s largest and most dynamic angel investor network—a nexus where capital intersects with expertise to foster extraordinary enterprises.In this pivotal role, you will be integral to shaping the identity of CVX, executing strategies, and inspiring teams across international borders. You will define the operational standards and pace for our growth while being prepared for temporary relocations as new markets emerge.Our VisionWe connect seasoned professionals and investors with meticulously selected, high-growth startups and companies. As part of our network, you will not only be investing capital—you will leverage your knowledge, experience, and connections to actively create value and stimulate growth.CVX Ventures is among Europe’s fastest-growing venture investors. We empower our partners to invest in curated opportunities that align with their interests, industries, and expertise.Since our inception in 2020, our community has expanded to over 700 members—from angel investors and board members to C-level executives—who have collectively invested more than EUR 100 million into over 100 companies.Being part of CVX means joining a trusted network where deals are sourced with precision.Currently, CVX comprises 20 ambitious and talented individuals, with plans to grow to over 100 within the next 24 months.As our Director of International Expansion, you will:Lead growth and execution strategies across all CVX markets, both established and new.Build, manage, and inspire high-performing local teams in each market.Own the global strategy, from market entry to operational excellence.Facilitate the ongoing expansion of our angel investor network throughout Europe.Represent CVX publicly at events, conferences, and in media, enhancing visibility and trust.Engage in deal flow, investment decisions, and startup ecosystem interactions.Drive a culture of excellence and performance across all markets.

Elements is on an exciting journey of growth and innovation! Having recently relocated from Almere to Amsterdam, we are in search of a talented Android Front-End Developer to join our team and help create applications that millions depend on daily. While your primary focus will be on Android development, proficiency in React Native will be a significant advantage, as we engage in both native and cross-platform projects.WHO WE AREAt Elements, we are a digital agency with nearly 30 years of experience in crafting mission-critical mobile applications for prestigious organizations. We don’t merely write code; we cultivate an ecosystem where technology, people, and processes come together to generate measurable business outcomes. Our evolution surpasses traditional development; we blend robust Software Engineering principles with cutting-edge AI workflows and tools to tackle complex business challenges efficiently. Our aim is to build faster, smarter, and with superior quality.Our diverse team is the powerhouse behind this innovative approach. Comprising over 30 software engineers from more than 10 nationalities, we collaborate from our offices in Amsterdam and Barcelona on stimulating projects. We uphold a culture founded on Excellence, Collaboration, and Impact. Explore some of our notable work here: https://www.elements.nl/en/cases.WHAT YOU WILL DOYou will design, develop, and enhance Android application features that not only provide an exceptional user experience but also ensure our mobile codebase remains scalable and robust. As part of our agile team, you will actively engage in sprint planning, backlog refinement, and daily stand-ups.Collaboration will be key as you work closely with backend developers, product owners, and security/compliance teams to guarantee secure and compliant functionalities. From developing UI tests to supporting end-to-end testing, your efforts will ensure our applications are always production-ready. You will also be involved in integration and launch phases, addressing challenges with a keen focus on delivery quality and timelines. With our growing emphasis on mobile applications, both for existing and new projects, you'll have the stimulating opportunity to apply your expertise across a variety of innovative applications.In a rapidly evolving industry, particularly in the age of AI, we view technological advancements as opportunities rather than obstacles. You will have the freedom to explore and master various tech stacks, keeping our solutions at the forefront. Whether adopting a new framework or delving into a new programming language, your eagerness to learn and adapt will propel both our projects and your career forward.RequirementsWHAT YOU BRING***Important: Candidates must be currently residing in the Netherlands and possess a valid work visa to apply for this role....

Join Elements, a rapidly growing digital agency, as we expand our horizons in Amsterdam! We are searching for a skilled React Native Developer who possesses a solid foundation in iOS development, to collaborate on mobile applications that millions trust. Your main responsibility will be to develop in React Native, but your iOS experience will be a significant advantage as we work on both native and cross-platform projects.ABOUT ELEMENTSWith nearly 30 years of expertise in crafting mission-critical mobile applications for top-tier companies, Elements is not just about coding. We create a harmonious blend of technology, talent, and processes that lead to substantial business outcomes. Our evolution transcends traditional development; we merge robust Software Engineering principles with innovative AI-driven workflows and cutting-edge tools to tackle complex business challenges, allowing us to build faster, smarter, and with exceptional quality.Our diverse team of over 30 engineers from more than 10 nationalities collaborates on ambitious projects from our offices in Amsterdam and Barcelona. We value a culture centered on Excellence, Collaboration, and Impact.Explore our portfolio of work here.YOUR ROLEAs a React Native Developer, you will work closely with your team on the creation of innovative mobile applications. You will engage with colleagues to estimate tasks, define architecture, and structure projects. Embracing our operational methodologies, you will also propose enhancements to optimize our processes. Your curiosity will drive you to stay updated on the latest technological trends, and you will share your insights with the team.With our increasing focus on mobile applications for both existing and new projects, this position offers an exciting opportunity to apply your talents across a variety of innovative platforms.In a fast-paced industry, especially during the AI revolution, we view technological evolution as an opportunity for growth. You will have the freedom to experiment with different tech stacks, ensuring our solutions are always at the forefront of innovation. Whether it means adopting a new framework or delving into a new programming language, your eagerness to learn and adapt will be crucial to both our projects and your career trajectory.

Role overview Securitas seeks a Mobile Surveillance Security Officer based in Amsterdam. This role centers on safeguarding properties and ensuring a secure setting for clients throughout the area. Main responsibilities Monitor surveillance systems and watch for unusual activity Patrol assigned sites regularly to check for security concerns Respond promptly to incidents and address security issues as they occur What we look for Strong alertness and attention to detail Ability to make quick decisions in urgent situations Dedication to keeping clients and their property safe

Are you an ambitious HBO or WO student passionate about Finance, Treasury, or Economics? If you are eager to challenge yourself and make a meaningful contribution to a prestigious international organization, we have an exciting opportunity for you!MHI International Investment B.V. (MII BV), the Finance Competence Center of Mitsubishi Heavy Industries, is seeking a dedicated and proactive Treasury Intern to join our team full-time at our office located in the esteemed Zuidas district of Amsterdam. This internship is set to begin in August/September and will last for a duration of 4-6 months.Our team, consisting of 5 to 10 professionals in the Netherlands, is committed to supporting financing operations globally. We provide innovative financial solutions to our affiliates worldwide, serving as a critical link between them and our group banking partners.Your Responsibilities:As a Treasury Intern, you will engage in a variety of stimulating tasks that will enhance your skills and expand your knowledge, including:Performing Market Conformity Checks on Foreign Exchange and Money Market transactions.Assisting in the implementation of Corporate Governance related to Treasury matters.Facilitating Treasury project management to enhance financial structures globally.Supporting local entities in gathering liquidity planning data and managing FX exposure, with potential travel opportunities to provide training to affiliates.Compiling essential financial data for Group CFO reporting.Overseeing bank fee controls across the organization.RequirementsWho You Are:We are searching for a motivated intern who is eager to learn and contribute to our dynamic team. Ideally, you:Are currently pursuing a Bachelor’s (3rd or 4th year) or Master’s degree in Finance, Economics, or a related discipline.Possess strong proficiency in English (both spoken and written).Exhibit excellent analytical skills with a meticulous attention to detail.Thrive in a dynamic, fast-paced environment.Are a self-starter with top-notch organizational skills.Demonstrate flexibility and adaptability to changing priorities.Showcase strong administrative and communication skills.Excel as a team player who enjoys collaborating with others.

Speakap, based in Amsterdam, connects organizations with their frontline employees through a dedicated communication platform. Supporting over 600 clients worldwide, the team is expanding and now seeks a Senior iOS Developer to help shape the mobile experience. Role overview This Senior iOS Developer position centers on designing and building iOS applications with Swift, SwiftUI, and other current Apple frameworks. The role emphasizes quality, maintainability, and forward-thinking development practices. Collaboration with engineers, designers, and product managers is key to delivering features that enhance the user experience. What you will do Design and build iOS apps using Swift, SwiftUI, and the latest Apple frameworks, focusing on quality and maintainability. Use AI tools to accelerate development and improve code quality as standards evolve. Promote strong mobile development practices, including automation, CI/CD, performance tuning, and scalable architecture. Lead architectural discussions, providing solutions that balance innovation and long-term support. Maintain high code standards through testing, peer reviews, and Clean Code principles. Mentor colleagues to strengthen coding practices and support their growth. Work closely with cross-functional teams to deliver user-focused features. Who you are This role suits someone comfortable building high-performance mobile apps who enjoys technical challenges and cross-team collaboration. Writing clean, maintainable code and meeting deadlines are strengths. Staying curious and keeping up with new trends in mobile development is important. Requirements Bachelor’s degree in Computer Science, Engineering, or a related field. Professional experience developing iOS apps with Swift and SwiftUI. Strong understanding of mobile development best practices and software design principles. Experience with CI/CD pipelines and automated testing tools. Clear communication skills and a collaborative approach. Location: Amsterdam, Noord-Holland, Netherlands

Invest with Purpose: Join Triple Jump as an InternAre you driven by a passion for sustainable development and impact investing? Join our dynamic ESG, Impact, and Knowledge (EIK) team as an intern and gain invaluable hands-on experience in the realm of impact investments in emerging markets.About Triple JumpAt Triple Jump, we empower underserved markets globally by facilitating access to finance, ensuring a profitable outcome for all stakeholders. Since our inception in 2006, we have been trailblazers in the impact investing sector in the Netherlands, stemming from our founder Steven Evers’ vision to promote a fairer distribution of wealth, inspired by his experiences in Africa.With a dedicated global team of 120 professionals from 35 nationalities, we work collaboratively to strengthen the financial capacity of individuals and regions facing economic and environmental challenges. We believe that finance can create a positive impact, and we welcome you to be part of our inclusive and supportive organization.At Triple Jump, you'll find a diverse and open-minded workplace that prioritizes equality and aims to provide equal opportunities to all. You will collaborate with highly educated colleagues committed to making a genuine impact through finance, enriching not only your career but also your worldview.

Join Securitas as a Mobile Head Security Supervisor in Amsterdam, where you will play a crucial role in safeguarding our clients' premises. We seek an experienced professional who is proactive and committed to maintaining a secure environment. In this role, you will oversee security operations, coordinate staff, and respond to incidents efficiently.

Our PurposeAt SentinelOne, we are driven by a clear purpose: to empower those who safeguard our future. As artificial intelligence transforms how organizations operate and innovate, the imperative to protect them intensifies. Joining SentinelOne means your contributions will help defend global enterprises, critical infrastructure, and the technologies that will shape the future. If you are inspired by meaningful challenges and desire to make a global impact, you will find your purpose here.About UsSentinelOne operates at the cutting edge of AI and security, leading the charge in redefining the cybersecurity landscape. Our AI-driven platform integrates protection across endpoint, cloud, identity, data, and AI systems, ensuring autonomous detection and response with clarity and efficiency. By leveraging real-time analytics, intelligent automation, and a cohesive data foundation, we minimize distractions, streamline complexities, and empower security teams to concentrate on what truly matters.Our team comprises builders, problem-solvers, and innovators focused on shaping the future of security. If you are eager to tackle challenging problems alongside talented, mission-driven individuals, we welcome you to join us in creating a safer future for humanity.What Are We Looking For?We seek individuals who are insatiably curious and dedicated to continuous learning. As AI reshapes every aspect of our business, we enable every team member, regardless of role or level, to gain fluency in AI tools and concepts. Those who excel here actively pursue new solutions, experiment thoughtfully, and apply their learnings to achieve improved, quicker, and smarter results.As an Employee Experience Intern, you will play a vital role in fostering a meaningful and engaging workplace for our employees through a combination of administrative support, program coordination, and creative projects. Your responsibilities will include assisting with onboarding logistics, benefits documentation, wellness initiatives, internal communications, and organizing in-person events. The ideal candidate is organized, proactive, and passionate about cultivating an inclusive and impactful employee experience. This is a fantastic opportunity to gain hands-on experience across various areas of HR, culture, and operations within a rapidly growing tech company.Your Responsibilities:Onboarding• Assist in logistics, materials, and checklists for onboarding• Coordinate first-day experiences and collect feedbackBenefits & Wellness• Organize wellness initiatives and benefits communications

Your Role as a Mobile Machinery Mechanic InternAt Cofra, we specialize in soil improvement techniques. Our team operates globally and across the Netherlands, serving as a robust partner in enhancing subsoil conditions.In the Netherlands, we focus on improving our subsoil and minimizing waste for the preparation of roads, railways, and construction sites. Internationally, we are involved in projects such as constructing additional airports in Singapore, developing a port in Oman, and installing drainage systems in the Philippines. We are present worldwide.As an intern mechanic, you will work in our workshop in the Netherlands and on various projects within the country. You will be responsible for the maintenance and operation of our equipment.Key Responsibilities:Assist with diagnosing issues, performing maintenance, troubleshooting, and repairing drilling, drainage, compaction, and other equipment (specific to Cofra).Support close communication with clients on projects, coordinating equipment maintenance and repairs.Assist with new developments.Do you aspire to be deployed internationally in the future? This is the ideal opportunity to gain experience and work toward that goal.