Fullstack Engineer at SumUp | Copenhagen

Join SOUNDBOKS, a pioneering tech company and vibrant lifestyle brand known for revolutionizing live experiences. Our products have been featured at music festivals, street parties, and private gatherings, delivering festival-quality sound paired with captivating, beat-reactive lights. We pride ourselves on creating the loudest, most resilient, and arguably the coolest Bluetooth speakers and audio-reactive lights available today.At SOUNDBOKS, we believe in fostering a culture of trust and community. Every team member is empowered to take ownership of their work, supported by a collaborative environment where ideas are valued, and teamwork is essential for success.More than just a job, working at SOUNDBOKS means being part of a community that celebrates achievements, cares for one another, and shares the passion for creating something truly impactful. With a dynamic team of 70, we offer a workplace where you can excel and feel a sense of belonging.ROLE: Lead Firmware EngineerTEAM: Product DevelopmentHOURS: Full-timeLOCATION: Copenhagen, DenmarkSTART DATE: June 1st, 2026, or earlierThe Product Development team at SOUNDBOKS is at the forefront of our exciting product evolution, steering the development process from concept to mass production. Our collaborative team comprises self-motivated individuals with diverse expertise and a commitment to making a substantial impact on our products and customers.As the Lead Firmware Engineer, you will spearhead firmware development across all SOUNDBOKS products throughout various stages of product development. You will work closely with cross-functional teams to ensure that product firmware integrates seamlessly from electronic architecture to application, manufacturing, and testing.Here's a glimpse of your daily responsibilities:Firmware Development & Architecture:Lead firmware development and architectural design for our current and upcoming product lines.Design and implement modular embedded software utilizing real-time operating systems (FreeRTOS, Zephyr).Create drivers and BSP across various chipsets and peripherals (I2S, I2C, SPI, UART, USB), ensuring the integration of new hardware.Exploration of New Technologies:Investigate and assess new firmware-related technologies to enhance product performance.

Join SOUNDBOKS, a cutting-edge technology firm and vibrant lifestyle brand renowned for our innovative Bluetooth speakers and audio-reactive lighting solutions. Whether at music festivals, street gatherings, or private celebrations, we transform moments into unforgettable memories with our powerful sound systems.At SOUNDBOKS, we foster a culture of trust and collaboration. Our team members are empowered to take ownership of their projects while receiving unwavering support from their colleagues. Every voice matters, and we believe that collective ideas drive our success.This role is more than just a job; it’s an opportunity to be part of a passionate community where we uplift each other, celebrate achievements, and dedicate ourselves to creating meaningful experiences. With a dynamic team of 70, SOUNDBOKS is a place where you can excel and feel a true sense of belonging.ROLE: Mechanical EngineerTEAM: Product DevelopmentHOURS: Full TimeLOCATION: CopenhagenSTART DATE: June 1st, 2026 or as soon as possibleThe Product Development team oversees the entire product lifecycle, from conceptualization to mass production. Our collaborative and driven team members possess a broad understanding of various disciplines and take ownership of their responsibilities, making a significant impact on our products, the team, and our customers.As a Mechanical Engineer at SOUNDBOKS, you will engage in the mechanical development of our products, closely collaborating with the Lead Mechanical Engineer, the Product Development team, Quality Assurance, and external partners in Asia. Leveraging your engineering expertise, you will assist in developing mechanical engineering (ME) concepts and help convert innovative ideas into precise mechanical assemblies, ensuring compliance with Design for Manufacturing (DFM) standards. You will work with internal stakeholders, partners, and suppliers to ensure a smooth transition from product conception to mass production while upholding high-quality standards and contributing to an exceptional customer experience.Here’s a snapshot of your daily responsibilities:Mechanical Design & PrototypingEngage in the mechanical development of new SOUNDBOKS products.Contribute to the enhancement of industrial design...

SOUNDBOKS creates Bluetooth speakers and audio-reactive lights designed for music festivals, street parties, and private events. The company’s mission centers on delivering powerful, durable, and stylish audio products that help people make lasting memories. Based in Copenhagen, SOUNDBOKS values trust, community, and collaboration. Team members are encouraged to take ownership of their work, share ideas openly, and support one another. With about 70 people on the team, SOUNDBOKS celebrates achievements together and aims to build products that matter. Role Overview Title: Lead Audio Engineer Team: Product Development Hours: Full time Location: Copenhagen N, Hovedstaden, Denmark Start Date: September 2026 or as soon as possible The Product Development team guides products from initial idea to mass production. This group works closely together, bringing a mix of skills and a strong sense of ownership to every project. The focus: improve SOUNDBOKS products and the experience for every customer. What You Will Do The Lead Audio Engineer leads audio design for SOUNDBOKS speakers. This role uses deep knowledge of acoustics and audio processing, along with hands-on development skills, to shape the company’s sound experience and system efficiency. Working with mechanical and hardware engineers, the Lead Audio Engineer helps achieve clear sound, long battery life, and cost-effective production. Key Responsibilities Develop new audio concepts for future speaker systems. Work with Hardware and Mechanical teams to design audio solutions. Test and validate new concepts through prototypes and proof-of-concept builds. Run acoustic simulations to improve speaker performance and system output.

Our PurposePlanday, part of Xero, is a premier digital platform dedicated to simplifying scheduling and workforce management. We empower businesses and shift workers globally to enhance communication, collaboration, and productivity.With support from a network of local industry experts, Planday offers an intuitive and secure digital solution that meets local regulatory standards. Our versatile platform encompasses payroll, accounting, point of sale (POS), and reporting, all integrated through an open API, allowing businesses to adapt their operations and foster a flexible, engaged workforce.Established in 2004, Planday is headquartered in Copenhagen and serves over 400,000 users across Europe, Australia, and the United States. Following its acquisition by Xero in 2021, we continue to innovate and expand.Your ImpactAs the Platform Team Lead, you will be instrumental in ensuring the reliability, security, scalability, and cost-effectiveness of Planday's technical platform. You will spearhead the development of our platform and ecosystem, preparing for future growth and enhancements of the Planday product.You will lead a skilled team of Platform Engineers and Site Reliability Engineers (SREs) to establish and maintain a robust infrastructure that guarantees high-performance experiences for our customers. Your contributions will align with the company’s engineering strategy and objectives.Fostering a productive environment for your team is paramount. You will ensure they have access to necessary information and feedback loops to deliver valuable, usable, and achievable outcomes. You’ll also focus on monitoring the operational health of your team and products to promote resilience.You will support your team’s professional development, helping them enhance their engineering skills and grow individually to meet the evolving demands of the team. Your leadership will drive engineering initiatives and propel the team towards their objectives.

Your Opportunity at Arc'teryxAs our presence expands across Europe, we are in search of individuals who are driven by curiosity, eager to learn through practical experience, and looking for a rewarding career in retail. At Arc'teryx, we believe there is always a better way, which informs our team development approach, and our commitment to 'Leave It Better' influences our working culture.In Copenhagen, we are inviting an enthusiastic Store Lead (all genders) to guide a talented team of 10 Product Guides, collaborating closely with the Store Management team. You will infuse energy and purpose into every aspect of the store—enhancing guest experiences, managing products, nurturing people, and overseeing operations. With a deep love for the outdoors, you embody the lifestyle authentically and lead with compassion, striving for ambitious goals while celebrating achievements. Together, we will leave it better.

Are you thriving in a fast-paced environment where you can take on significant responsibility? Do you want to be part of an extraordinary entrepreneurial team filled with young, motivated, and highly driven individuals? If you are curious or passionate about venture capital, you could be our next Team Lead in Denmark.Your MissionWe are looking for a dynamic Team Lead to spearhead our Danish office in Copenhagen towards continued growth and success. You will be responsible for shaping strategies, driving commercial expertise, and ensuring long-term profitability. The ideal candidate is a strong leader with a natural ability to build trust and connections with people. You are also incredibly driven, hands-on, and capable of inspiring a high-performance team.Our MissionCVX is one of the fastest-growing venture investors in Europe, on a focused mission to become the largest venture investor in Europe by providing growth companies with capital, knowledge, and networks.We believe that the best investors are those who can provide entrepreneurs with the right knowledge, experience, and networks tailored to their specific phase and industry.CVX always invests alongside the best business angels for each entrepreneur. Today, we have over 700 angel investor partners at CVX, who invest in and support businesses where they can add real value.Currently, CVX comprises 20 ambitious and talented individuals based in Copenhagen, London, and Oslo.Your ResponsibilitiesDevelop and implement your sales strategyBuild a strong lead generation systemDrive sales and continuously meet and exceed revenue targetsUpon reaching certain sales goals, you will be responsible for hiring, developing, and leading a top-tier sales teamActively participate in budget preparation and set organizational goalsMonitor KPIs and continuously develop and implement action plans to improve performanceRepresent CVX at events, gatherings, conferences, etc.Work closely and collaborate with other leadersReport directly to the CEO.

Managing spend can often be a complex and frustrating task. At Pleo, we are revolutionizing this process. We develop innovative spend management solutions that empower finance teams and employees, making financial operations smooth and surprisingly effective. Our mission is to help businesses achieve more than they thought possible.The name ‘Pleo’ translates to ‘more than you’d expect’, and this philosophy has guided us to success over the past decade.As we embark on this exciting journey, every decision we make affects our 40,000+ customers and contributes to our collective success. We seek passionate individuals who excel at identifying customer needs, simplifying complex challenges, and pushing boundaries—always with respect and ambition. With over 850 team members from more than 100 nationalities, we are dedicated to transforming the future of business spending together.About the RoleWe are in search of a Backend Engineer to join our dynamic team at Pleo. In this pivotal role, you will contribute to the development and scaling of our backend systems while engaging in exciting projects that enhance our product and service offerings. If you are enthusiastic about tackling intricate technical problems and thrive in a culture that prioritizes transparency, collaboration, and innovation, this position is ideal for you.What You’ll Be DoingAs a Backend Engineer at Pleo, your responsibilities will include:Designing, building, and maintaining scalable microservices primarily using Kotlin.Collaborating with cross-functional teams to develop innovative solutions across various domains, including Platform and Services.Analyzing system performance and implementing optimizations to ensure high reliability and scalability.Participating in code reviews and post-mortems while providing mentorship to fellow engineers.Proactively addressing technical debt and guiding the team through technical challenges and migrations.What You BringTo excel in this role, you should possess:Experience in server-side programming, particularly in Kotlin, along with familiarity with distributed systems, microservices, and cloud environments (e.g., AWS, Kubernetes).A solid understanding of relational databases and system design principles.

Airapps seeks a React Engineer to join the team in Copenhagen. This position centers on building web applications that enhance user experience and encourage engagement. Collaboration is a key part of the role, especially with design and product teams to bring new ideas to life as dependable, high-quality features. Responsibilities Develop and maintain web applications using React Work closely with designers and product managers to implement new features Ensure applications perform well across a range of devices and browsers Location This role is based in Copenhagen.

Join our dynamic team at airapps as an iOS Engineer. In this role, you will be instrumental in designing and developing high-quality mobile applications that deliver outstanding user experiences. You will collaborate with cross-functional teams to define, design, and ship new features, while ensuring robust performance and responsiveness of our applications.

Kubapay seeks a Support Engineer in Copenhagen to assist customers with payment solutions. The position centers on technical support and troubleshooting, ensuring clients receive timely help when issues arise. Key responsibilities Handle customer inquiries and technical questions about Kubapay products Identify and resolve problems to keep clients operational Offer clear, practical support so customers can use Kubapay services effectively Location This role is based in Copenhagen, Capital Region of Denmark.

Join our innovative team at airapps as a Release Engineer, where you will play a crucial role in enhancing our software deployment process. You will collaborate with cross-functional teams to ensure the smooth and efficient release of our applications.As a Release Engineer, you will be responsible for maintaining and improving our CI/CD pipelines, automating build processes, and ensuring that all releases meet quality standards. Your technical expertise will be vital in troubleshooting issues and implementing best practices.

About HappyRobotHappyRobot is an innovative AI-native operating system designed to transform the real economy by bridging the gap between intelligence and action. Our platform integrates real-time data, specialized AI agents, and orchestrating intelligence to empower enterprises to manage complex and mission-critical operations autonomously.By optimizing knowledge, enhancing efficiency at every operational level, and evolving continuously, we focus on supply chain and industrial-scale operations, where resilience, speed, and constant improvement are paramount. This enables our clients to allocate their human resources towards strategic, creative, and high-value endeavors.Discover our vision by visiting our Manifesto. To date, HappyRobot has secured $62 million in funding, including a recent $44 million Series B round in September 2025. Our esteemed investors include Y Combinator (YC), Andreessen Horowitz (a16z), and Base10—partners who share our commitment to redefine enterprise operations. We are channeling this investment into creating a world-class team of driven individuals with exceptional problem-solving abilities and a passion for innovation in a fast-paced environment. If our mission resonates with you, you will thrive at HappyRobot.Role OverviewWe are seeking a dynamic and highly skilled Forward Deployed Engineer to join our team. This role blends technical expertise with outstanding communication skills, working closely with customers to ensure they derive maximum value from our AI platform. Your responsibilities will include onboarding, implementation, and ongoing support, alongside contributing to product development and innovation.At HappyRobot, we operate without seniority or hierarchy—our team is built on collaboration. We execute, innovate, take ownership, and genuinely care about our clients' success.

D-ploy is a leading provider of IT and Engineering Solutions with a strong presence across EMEA, including countries such as Switzerland, Germany, Czech Republic, Austria, the UK, and the USA. We pride ourselves on delivering cutting-edge IT services and solutions to top-tier clients, emphasizing reliability, efficiency, and fostering long-term partnerships that drive IT productivity and business value.We are in search of a dedicated IT Onsite Support Technician to provide exceptional support to end-users in a professional and regulated environment in Copenhagen.

Veo stands at the forefront of AI-driven sports camera innovation. Our groundbreaking, fully automated camera system empowers sports teams to effortlessly capture their matches and training sessions without the need for a camera operator. We are on a mission to democratize sports by providing video analysis tools to teams at every level, making what was once a luxury accessible to all. Each week, over 40,000 clubs across more than 90 countries utilize our technology to record their games.What distinguishes us? It's our remarkable team. We are a diverse collective of innovative thinkers, creators, and problem-solvers dedicated to delivering exceptional products while enjoying the journey.Join Our Team As an iOS Engineer at Veo, you will be instrumental in elevating our mobile application. Located in Copenhagen, you will work hand-in-hand with product managers, designers, and fellow engineers to create outstanding user experiences that integrate seamlessly with our hardware and platform ecosystem.This is your chance to influence the future of a product that is revolutionizing how sports are captured, viewed, and shared, all within a dynamic, collaborative, and mission-driven environment.At Veo, you will be part of a team of passionate, talented individuals who value both their craft and each other.

Join Our Dynamic Team At Hitachi Vantara, our dedicated services teams are highly regarded by customers, partners, and stakeholders for their critical role in nurturing customer relationships. We represent Hitachi Vantara to enterprise clients across various industries, fostering strong business connections to understand and address customer challenges effectively, ensuring we deliver unparalleled value. As part of our global customer support organization, we collaborate closely to maintain high levels of customer satisfaction. In the role of Customer Engineer (CE) within Customer Service & Support (CS&S), you will be stationed in Denmark and will primarily support our customers in the Nordics, including Sweden, Finland, Norway, and Denmark. Our team works in tandem with the Global Customer Support (GSC) organization, which provides round-the-clock support to our global clientele. Your ResponsibilitiesIn this role, you will deliver technical support, manage accounts, perform problem analysis, and assist with installations for Hitachi Vantara customers throughout the Nordics. While you may occasionally visit customer sites, you will also ensure that our Nordic partners receive the necessary remote support prior to and during their onsite visits. You will collaborate with sales and presales teams to guarantee optimal solutions and services for all customers. Each day is unique, combining remote work with on-site responsibilities. Flexibility to accommodate varying hours is essential, as customer needs dictate interaction and response times. You may be required to work evenings, weekends, and be available for on-call duties. Your technical focus will include Hitachi block, file, and content storage solutions, as well as SAN (Storage Area Network) technologies from Brocade and Cisco. What You Bring to the Team• Extensive experience in technical support or related field teams for major IT vendors, with expertise in troubleshooting SAN/storage issues and supporting associated infrastructure. Experience in storage firmware upgrades and maintenance is essential.• Familiarity with major storage vendor support structures, online support tools, knowledge databases, and escalation protocols.• Proficiency in major operating systems such as Linux, VMware, and Windows is advantageous.• A customer-focused, structured, and service-oriented mindset, with the ability to remain composed in fast-paced environments.• Excellent communication skills in English.• A valid B-class driver’s license.

About the Role SumUp is looking for a Fullstack Backend Engineer with a focus on Node.js to join the team in Copenhagen. This role works closely with colleagues from different disciplines to build and improve backend systems that support payment processing services. What You Will Do Design and implement backend solutions using Node.js Work with cross-functional teams to develop features that support digital payments Contribute to building reliable applications for SumUp’s payment platform Location This position is based in Copenhagen, Denmark.

Join Veo, a global frontrunner in AI-powered sports camera technology! Our revolutionary, fully automated camera system empowers sports teams to effortlessly record matches and training sessions without the need for a camera operator. We are on a mission to democratize sports, providing video analysis capabilities to teams at every level—an advantage previously reserved for the elite. Each week, over 40,000 clubs across more than 90 countries capture their games with our technology. At Veo, our rapid growth means that no two days are the same—each day brings new challenges and exciting opportunities, both in our operational and back-office roles.However, what truly sets us apart is our exceptional team. We have attracted some of the brightest minds in the industry, driving our ability to innovate and create outstanding products while enjoying the journey.As a Machine Learning Engineer at Veo, you will tackle complex challenges and play a pivotal role in enhancing our AI-driven end-user products.You will become a key member of our AI team, consisting of 15 talented researchers and engineers dedicated to all facets of the machine learning lifecycle across various projects—from defining data annotation tasks to modeling, validation, and deployment. You will have the autonomy to steer the direction of your projects, while also receiving constructive feedback and collaborating with your teammates to foster improvement and success.We are committed to staying abreast of the latest research, engaging in discussions about contemporary concepts and ideas in recent publications, assessing their applicability to our tasks and product-specific challenges.We are in search of another ambitious, high-performing machine learning engineer or researcher, ranging from junior to senior levels, with demonstrated experience in real-world machine learning projects. Familiarity with computer vision is advantageous but not mandatory.

At Veo, we are at the forefront of revolutionizing sports technology with our cutting-edge AI-powered sports camera systems. Our fully automated camera solutions empower sports teams to capture their matches and training sessions effortlessly, without the need for a camera operator. We are democratizing access to video analysis for teams at every level, a benefit that was once reserved for a select few. Each week, over 40,000 clubs across more than 90 countries rely on our technology to record their games.What distinguishes us is our team. Our diverse group is composed of innovative thinkers, creators, and problem-solvers who are dedicated to delivering outstanding products while enjoying the journey.The RoleWe invite you to join us as a Senior Android Engineer and play an integral role in advancing our mobile application. Located in Copenhagen, you will collaborate closely with product managers, designers, and fellow engineers to create exceptional user experiences that integrate seamlessly with our hardware and platform ecosystem.This is your chance to influence the future of a product that is redefining how sports are recorded, viewed, and shared—all within a dynamic, collaborative, and purpose-oriented environment. At Veo, you will be part of a talented and passionate team that truly values both the work they produce and each other.

Navigating messy spend management can be complicated, but at Pleo, we are transforming this experience. We develop innovative spend solutions that streamline the management of finances, making it effortless and effective for both finance teams and employees. Our vision is to help businesses 'go beyond'.The name 'Pleo' signifies 'more than you’d expect', a philosophy that has driven our success over the past decade.We are currently at a crucial phase in our journey, where each decision we make influences over 40,000 customers and our overall success. We seek individuals who take pride in identifying customer needs, simplifying complex challenges, and respectfully challenging the status quo—all while aspiring for greatness. With our ambitious goals, we acknowledge that we don't have all the answers, and that's part of the excitement! Our team consists of over 850 passionate individuals from more than 100 nationalities, all dedicated to shaping the future of business spending together.About the RoleWe are on the lookout for a Senior Backend Engineer to join our dynamic team at Pleo. In this position, you will be instrumental in building and scaling our backend systems while engaging in exciting projects as we expand our product and service offerings. If you have a passion for addressing complex technical challenges and thrive in a culture that prioritizes transparency, collaboration, and a strong commitment to innovation, this role is perfect for you.Your ResponsibilitiesAs a Senior Backend Engineer, you will:Lead efforts to design, build, and maintain scalable microservices primarily utilizing Kotlin.Collaborate with cross-functional teams to create innovative solutions across various domains, including Platform, Services, and SMB.Evaluate system performance and implement enhancements to ensure high reliability and scalability.Participate in code reviews, conduct post-mortems, and mentor fellow engineers.Proactively manage technical debt and guide the team through technical challenges and migrations.QualificationsYou will excel in this role if you possess:Expertise in server-side programming languages, particularly Kotlin, along with experience in distributed systems, microservices, and cloud environments (e.g., AWS, Kubernetes).Proficiency with relational databases such as PostgreSQL.