Backend Quality Assurance Engineer

Seeking a new adventure? You’ve found the perfect opportunity.Join our dynamic Amsterdam-based team, comprised of over 90 talented individuals from more than 25 nationalities! We are a diverse group of "Citizens of The World" who share a passion for travel and possess a wealth of skills. Our common goal? To revolutionize the way people explore the globe.We are achieving this with our innovative travel app designed to plan, track, and relive journeys in an intuitive and beautiful manner.With over 19 million users already on board, we believe this is just the beginning. Our ambitious plans for the future call for more talented and enthusiastic individuals to join us on this exciting journey.Curious to learn more about us? Discover more here.Your mission: Lead Backend Engineer at PolarstepsIf you haven't yet explored our app, take a moment to do so; you'll quickly realize how much we prioritize a seamless, high-quality user experience for every traveler. Our app has received impressive ratings of 4.8 and 4.7 on app stores and has been featured multiple times. Moreover, Google has created this fantastic video about us, and we've been mentioned in two of Apple’s WWDC keynote addresses!While we take pride in our remarkable past, we are even more excited about the future. The impact you can make from your very first day is significant, with every contribution affecting over 19 million users. We truly believe in providing our team members with the autonomy needed to perfect their craft while fostering a practical mindset to prevent over- or under-engineering.The travel industry is experiencing enthusiastic and accelerated growth, bringing both opportunities and challenges, particularly within the intricate, multi-layered travel domain. If you thrive on considering user experience, performance, and scalability, along with the inherent challenges of feature development, you’re in for an exhilarating experience with us.Your daily adventuresHere’s what your day-to-day will look like at Polarsteps.You will:Lead the platform team of Senior Backend and DevOps Engineers, establishing clear technical direction and expectations while maintaining close engagement with the code to identify potential issues.

Join Studytube as a Backend Engineer in Amsterdam and play a pivotal role in empowering individuals to shape their futures! We are in search of a talented backend engineer to develop and enhance integrations for our clients, working collaboratively with the Integrations team based in Amsterdam.Key ResponsibilitiesAs a Backend Engineer, you will serve as a vital link between Studytube and our clients, facilitating integrations between our platform and their HR systems. A recent challenge involved creating a new password flow for clients without email access, such as blue-collar workers, showcasing the innovative solutions you'll bring to the table. Your creativity is encouraged as you tackle unique integration challenges based on each client's requirements.In this role, your primary responsibilities will include:Developing integrations with external systems.Managing large volumes of historical data to onboard clients effectively.Designing, developing, and maintaining integrations focused on identity management.Continuously enhancing the existing platform with a focus on quality and efficiency.Collaborating closely with fellow engineers, product teams, and customer-facing staff.

airapps is looking for a Backend DevOps Engineer based in Amsterdam. This position centers on optimizing backend systems and supporting the integration of development and operations workflows. Role overview As a Backend DevOps Engineer, the main focus is on maintaining and improving infrastructure. The work involves close collaboration with cross-functional teams to streamline deployment processes and help ensure reliable product performance. What you will do Optimize backend systems for stability and efficiency Work with development and operations teams to improve integration Enhance infrastructure and support deployment improvements Contribute to the ongoing success of airapps products

airapps is seeking a Backend Engineer to join the team in Amsterdam. The focus of this role is on developing and maintaining software that powers scalable applications and high-performing systems. The backend work directly supports a seamless experience for users of airapps products. Role overview Build and maintain backend systems that enable airapps products to operate smoothly Contribute to the design and architecture of software solutions built for scale Work to enhance system performance and reliability Requirements Experience developing backend applications Interest in creating scalable and efficient systems Ability to design solutions that support a strong user experience This position is located in Amsterdam.

At Databricks, we are dedicated to empowering data teams to tackle the most challenging problems in the world—ranging from transforming transportation technology to expediting medical innovations. By creating and managing a premier data and AI infrastructure platform, we enable our clients to leverage profound data insights to enhance their operations. Born from engineering expertise and driven by a customer-first approach, we eagerly confront technical challenges, whether it's crafting next-generation UI/UX for data interaction or expanding our services across millions of virtual machines. Our journey has just begun.As an Engineering Manager, you will lead your team in constructing infrastructure and products for the Databricks platform at scale. Our diverse teams are focused on various domains:Managing resource infrastructure that supports extensive big data and machine learning workloads on the Databricks platform in a scalable, secure, and cloud-agnostic manner.Developing reliable, scalable services and client libraries that handle vast amounts of data on the cloud across multiple geographic regions and cloud providers.Creating tools that empower Databricks engineers to operate their services seamlessly across different cloud environments.Building services, products, and infrastructure that lie at the nexus of machine learning and distributed systems.

Join Databricks, a leader in data and AI, as a Backend Software Engineer. We are dedicated to empowering data teams to tackle the world’s most pressing challenges, from revolutionizing transportation to pioneering medical advancements. Our world-class data and AI infrastructure platform enables customers to leverage deep data insights for business enhancement. Founded by engineers with a customer-centric approach, we embrace every opportunity to address technical challenges, from crafting next-generation UI/UX for data interaction to scaling our services across millions of virtual machines. We are just getting started!As a Backend Software Engineer, you will collaborate with your team to develop infrastructure and products for the Databricks platform at scale.Your Impact:Our backend teams address various challenges across our vital service platforms. You may work on:Complex problems that bridge product and infrastructure, including distributed systems, large-scale service architecture, monitoring, workflow orchestration, and improving developer experience.Delivering reliable and high-performance services and client libraries for managing vast amounts of data on cloud storage solutions like AWS S3 and Azure Blob Store.Building dependable, scalable services using technologies such as Scala, Kubernetes, and data pipelines like Spark and Databricks, which power our pricing infrastructure handling millions of cluster hours daily, while developing features that empower customers to easily monitor and manage platform usage.

Join Protolabs and Be Yourself At Protolabs, we understand that women and people of color often hesitate to apply for positions unless they meet every requirement. As an equal opportunity employer, we are dedicated to fostering a diverse workplace where everyone feels valued. If you believe you might not meet every single qualification but are intrigued by this opportunity, we encourage you to apply. Your unique perspective could enhance our company!Why Choose Protolabs? As leaders in digital manufacturing, we seek proactive doers, innovative makers, and creative thinkers who approach their work with an entrepreneurial mindset. Our culture revolves around impactful work that accelerates the development of innovative products. We take pride in our diverse team, characterized by intelligence, authenticity, humility, and passion. Our people fuel our creativity and make our workplace feel like home.Exciting Opportunity: Backend Software EngineerThis role is hybrid and we welcome applications from candidates residing in the Netherlands.You will be integral to the Manufacturing Partner Marketplace, the operational core of the Protolabs Network. This encompasses managing the entire order lifecycle—from matching orders with suitable manufacturing partners, overseeing production and quality control, to ensuring timely delivery. Your contributions are vital to maintaining operational efficiency and enhancing customer satisfaction.You will develop systems that empower the marketplace, including automated auctions, order allocation, supplier tooling, production workflows, global logistics, quality control, and internal operational tools.We seek a pragmatic problem solver who thrives in a dynamic environment and takes ownership of business challenges, not just technical solutions.Our Technology Stack: Backend: Python 3.11 with FastAPI, Flask, and SQLAlchemy (including Celery with RabbitMQ for background tasks).

Are you a passionate engineer who enjoys both establishing frameworks and engaging directly in development? As a Senior Backend Engineer at Funda, you will design, build, and scale systems that assist millions of potential home buyers and real estate professionals daily. Your role bridges technology, architecture, and product development, allowing your voice to influence our direction.Your Role at a GlanceIn this position, you will be a key player in Funda’s backend domain. Your responsibilities include designing scalable systems, enhancing the technical foundations of our platform, and developing features that make a direct difference to millions of users.You will be part of a dedicated product team while collaborating across various teams: uniting people, ideas, and projects to advance our technical capabilities. Utilizing cutting-edge technologies such as .NET 8, Kubernetes, Azure, event-driven architecture, and Terraform, you will help keep our systems intelligent, scalable, and prepared for the future.This role uniquely combines deep technical expertise, ownership, and an influential voice in our development processes.Your Responsibilities IncludeGuide your team in alignment with our lighthouse architecture and contribute to its ongoing enhancement.Design and optimize critical systems demanding high performance and reliability.Tackle complex challenges related to scalability, data streams, and systems integration.Collaborate with product managers and designers to ensure technical choices align with the product vision.Mentor and share knowledge with mid and junior engineers, fostering Funda's culture of learning.Partner with other senior and staff engineers to evolve Funda’s technical strategy.Explore our Engineering Blog: Learn how we empower our development team with modular pipelines

Are you ready to embark on a journey where your work directly influences the housing market across the Netherlands? Join Funda as a Junior Backend .NET Engineer and contribute to a platform that helps millions of individuals find their next home. You'll gain invaluable experience from seasoned colleagues, develop real features, and witness the immediate impact of your contributions. Rather than joining just another tech firm, you'll play a vital role in enhancing the country's premier housing platform.Your Role at a GlanceImmerse yourself in the dynamic field of backend development, encompassing tasks from creating microservices to optimizing existing systems. You'll be guided by expert engineers who will challenge you to assume greater responsibilities—from your first pull request to deploying your very own features in a live environment.You will work with cutting-edge technologies such as .NET 8, Azure, and Kubernetes, learning to craft code that is not only functional but also scalable, secure, and straightforward to maintain.Your ResponsibilitiesCollaborate with your team to develop backend features for the Funda platform, which may include an API for property data retrieval or integration with mortgage information.Implement small enhancements to existing services and understand how our microservices interconnect.Create unit tests and refine your code based on peer feedback.Assess feature performance and devise strategies to enhance speed and stability.Engage in discussions regarding technical design decisions and learn how to build scalable systems.Become proficient with modern tools such as Azure DevOps, Docker, and Kubernetes.Explore Our Engineering Blog: Tom's career shift from musician to engineer at FundaYour TeamAt Funda, diverse scrum teams are dedicated to enhancing various segments of our platform—from refining the search experience to updating the systems used by real estate agents to manage their listings.We are actively seeking talent for multiple teams. Throughout the recruitment process, we will collaborate with you to identify where your skills, interests, and aspirations align best.

Join bunq and be part of the transformation in the banking sector! We are dedicated to simplifying banking experiences and redefining the essence of financial services. As a Backend Engineer, you will play a pivotal role in delivering an outstanding banking application by ensuring seamless, secure, and efficient functionality for our users. Leverage your coding expertise to enhance the Bank of the Free from behind the scenes.Embrace ResponsibilityAs a Backend Engineer at bunq, you will spearhead our backend development efforts, guaranteeing our employees and users benefit from unrivaled stability and performance.Developing user-facing features.Collaborating with product teams to propose and design backend structures for new features, while supporting other departments through process development and maintenance.Utilizing technologies such as MySQL, Redis, Elasticsearch, and PHP to enhance the Bank of the Free.

Join Databricks as a Senior Backend Software Engineer to work on cutting-edge technologies that transform the way data is processed and analyzed. In this pivotal role, you will collaborate with a talented team to design and implement robust backend systems that support our innovative data platform. Your work will directly contribute to enhancing our customers' experiences and driving the future of data analytics.

Be Yourself at ProtolabsWe embrace diversity and are an equal opportunity employer. We encourage individuals from all backgrounds to apply, even if they don’t meet every single qualification. Your unique perspective can help us grow and innovate.Why Choose Protolabs?As leaders in digital manufacturing, we attract doers, makers, and innovative thinkers who approach their work with an entrepreneurial mindset. Our culture revolves around delivering meaningful work that introduces new products to the market at unmatched speeds. We take pride in our diverse team, which is smart, genuine, humble, and passionate. It’s our people who inspire creativity and make our workplace feel like home.Join Our Team as a Senior Backend Engineer!This position is hybrid and open to candidates located in the Netherlands.The Manufacturing Partner Marketplace is the operational backbone of the Protolabs Network. We oversee the entire order lifecycle, from matching orders to the right manufacturing partners through production and quality control to ensuring timely delivery. Our role is crucial for maintaining seamless operations and customer satisfaction.In this role, you will develop systems that drive the marketplace, including automated auctions, order allocation, supplier tools, production workflows, global logistics, quality control, and internal operations tools. We seek a pragmatic problem solver who thrives in a dynamic environment and takes ownership of both the business challenges and technical solutions.

Since its inception in 2018, Bitvavo has pioneered the digital assets trading landscape, creating a seamless bridge between traditional currencies and digital assets. Our platform is designed with transparency in mind, featuring competitive fees and an extensive range of assets, ensuring that the currency of the future is accessible to everyone.Within just two years, we have cemented our status as the leading digital asset exchange in the Netherlands and one of the largest in Europe, boasting over one million users and facilitating the exchange of tens of billions in digital assets annually.Based in Amsterdam, we are on the lookout for innovative and motivated individuals who are eager to contribute to our mission of making digital assets universally accessible.About the OpportunityWe are a dynamic and rapidly expanding engineering organization dedicated to enhancing customer access to digital assets. In response to our expanding user base and the increasing diversity of assets we offer, we're looking to grow our teams to foster innovation focused on creating and implementing advanced services within the crypto market.As we continue to evolve, we welcome experienced engineers who are passionate about making a difference. This position is continually open, and we review applications on a rolling basis. While response times may vary based on our hiring needs, we encourage you to reach out if this role aligns with your expertise. We look forward to connecting with you when a suitable opportunity arises.Your ResponsibilitiesWork collaboratively with your Engineering Manager, Staff Engineer, and fellow team members to develop high-quality software for our clients.Tackle technical challenges head-on, crafting solutions to ensure optimal performance across our systems.Engage actively in critical decisions related to technology stacks and architectural frameworks.Participate in operational rotations to address incidents within our production environment.Qualifications We SeekA minimum of 8 years of experience in software development.Deep understanding and expertise in event-driven microservices architecture, particularly with Kafka.Strong proficiency in JVM languages, especially Kotlin.Familiarity with Kubernetes and a solid grasp of design patterns and programming principles.

Are you ready to transform the banking experience? At bunq, we strive to simplify lives and redefine banking for everyone. This is your opportunity to contribute to the future of digital banking, creating the ultimate app experience. Leverage your coding skills to develop and enhance the Bank of The Free, ensuring seamless, secure, and flawless functionality for our users.Take OwnershipAs a Senior Backend Engineer at bunq, you will lead our backend development, providing users and employees with unmatched stability and performance.Collaborate with our product team to design and implement robust backend structures for innovative user-facing features, utilizing technologies such as MySQL, Redis, Elasticsearch, and PHP.Support the growth of our backend team by mentoring junior developers and helping them reach their full potential.Oversee high-availability production systems and assist other departments by developing and maintaining efficient, scalable processes.

Are you passionate about crafting intelligent and scalable solutions? Do you thrive in tackling complex systems alongside enthusiastic colleagues? As a Medior Backend .NET Engineer at Funda, you will develop software that empowers millions to navigate the housing market daily. From rapid search results to sophisticated data integration, your contributions will significantly enhance how the Netherlands discovers homes.Your Role at a GlanceIn this position, you will produce high-quality code for a platform that attracts tens of millions of visitors each month. You will utilize cutting-edge technologies such as .NET 8, Kubernetes, Azure, and event-driven architecture, deploying your code to production daily via Azure DevOps.Your responsibilities include full ownership of the services and features you develop, collaborating closely with colleagues to drive continuous improvements. This unique role offers the scale of Funda, the excellence of our codebase, and the autonomy to make a tangible impact.Key ResponsibilitiesEnhance and develop features that directly improve user experiences, such as accelerating search results or optimizing data streams for our calculation tools.Contribute to the evolution of our microservices architecture, ensuring systems remain stable, scalable, and easy to maintain.Diagnose and resolve issues, from identifying performance bottlenecks to implementing intelligent caching strategies.Collaborate with Funda's engineers, product designers, and product managers to transform innovative ideas into robust solutions.Conduct code reviews, share insights with team members, and learn from seasoned engineers.Take ownership of your code and ensure its quality even post-release.For additional insights, check out our Engineering blog: The benefits of having a lighthouse architectureYour TeamAt Funda, multiple scrum teams focus on various aspects of our platform, ranging from enhancing the search experience to revamping the system used by real estate agents for property management.

JetBrains has developed tools for software teams since 2000. By automating routine checks and corrections, JetBrains products help developers focus on building and shipping software. The goal: make development more productive and creative. Role overview This Backend Customer Success Engineer role centers on supporting engineering teams as they adopt Kotlin for backend development. The position focuses on helping organizations successfully bring Kotlin into production environments. What you will do Guide organizations through the process of moving from Java to Kotlin, assisting with migration, integration, and scaling. Troubleshoot technical challenges that arise during the transition and support teams as they progress from initial experimentation to stable production use. Work with potential users to clarify how Kotlin adoption works and help design migration plans that fit their specific needs. Locations Amsterdam, Netherlands Berlin, Germany Munich, Germany Prague, Czech Republic Remote, Germany

Role overview Creative Fabrica is looking for a Senior Backend Engineer with strong Go experience to help shape the foundation of its digital platform. The focus is on building and refining scalable backend services that power a growing creative marketplace. What you will do Collaborate with a talented team to design, develop, and maintain backend systems using Go Support the reliability and efficiency of backend services as the platform expands Share ideas and technical solutions to enhance user experience and add new platform features Address challenging technical problems in backend development Location This role is based in Amsterdam, North Holland, Netherlands.

Important: This position requires relocation to our Milan office.About SatispayAt Satispay, we are on a mission to transform daily payment experiences, making them straightforward, equitable, and accessible for everyone. Our vision extends beyond payments; we aspire to redefine the future of finance.As part of a dynamic movement, we empower millions to overcome significant challenges, fostering a culture of rapid innovation, bold thinking, and collaborative growth.If you seek more than just a job and are eager to create meaningful impact alongside a talented team, you’ve found the right place.Your RoleAs a Senior Backend Software Engineer within our Business Team, you will be instrumental in shaping the future of digital welfare payments, addressing everything from employer benefits to complex product solutions. You will ensure a seamless experience for both employers and employees, contributing to long-term satisfaction and success. Your responsibilities will include:Develop Multi-Service Solutions: Analyze and design scalable, secure, and maintainable solutions for medium-to-large projects impacting multiple services within the Employer domain, focusing on the core of welfare distribution.Maintain Technical Excellence: Implement comprehensive testing strategies that balance automation with manual testing while overseeing gradual rollouts to ensure precise and reliable welfare distributions.Proactively Resolve Blockers: Anticipate and address technical challenges, promoting knowledge sharing across teams. You will handle unique challenges related to B2B registration flows and high-volume benefit allocations, all while maintaining code quality through active reviews.Ownership and Execution: Take full ownership of your projects from inception to completion, delivering features that align with user requirements—from employer onboarding to employees utilizing their welfare benefits efficiently.

Join our innovative team at Databricks as a Senior Backend Software Engineer, where you'll contribute to cutting-edge data solutions and scalable systems. Collaborate with a talented team to design and implement robust backend services that power our platform, enabling businesses to unlock the full potential of their data.