Fullstack Software Engineer at Onramper | Amsterdam

Speechify’s mission is to remove barriers to learning through reading. More than 50 million people worldwide use Speechify’s text-to-speech tools to turn PDFs, books, Google Docs, news articles, and websites into audio. Our products span iOS, Android, Mac, Chrome, and web, and have earned recognition such as Google’s Chrome Extension of the Year and Apple’s 2025 Design Award for Inclusivity. We are a fully remote team of nearly 200 professionals, including engineers, AI researchers, and domain experts. Team members have joined us from organizations like Amazon, Microsoft, Google, Stripe, Vercel, and Stanford’s PhD programs. Role overview The Platform Software Engineer will join the team responsible for building and maintaining backend services. This includes payments, analytics, subscriptions, new product features, text-to-speech capabilities, and external APIs. The work shapes the foundation for Speechify’s suite of products and directly impacts user experience. This role suits those who enjoy making product decisions, thrive in a collaborative environment, and care about delivering high-quality results. Speechify values technical skill, clear communication, and a strong work ethic. The organization operates with a flat structure, focusing on outcomes over hierarchy. Interview process Multiple technical interviews Process typically completes within one week Location This position is based in Amsterdam, Netherlands.

About AirwallexAirwallex is a pioneering unified payments and financial platform designed specifically for global enterprises. Our innovative combination of proprietary technology and software solutions enables over 200,000 businesses globally—including industry leaders such as Brex, Rippling, Navan, Qantas, and SHEIN—to manage everything from business accounts to payments, spending management, and treasury, all the way to embedded finance on a worldwide scale.Founded in Melbourne, we are proud to have a diverse team of over 2,000 talented and innovative professionals across 26 locations around the world. With a valuation of $8 billion and support from top-tier investors like T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is at the forefront of developing the future of global payments and financial platforms. If you aspire to engage in the most impactful work of your career, we invite you to join us.Attributes We ValueWe seek builders who possess a founder-like energy, eager to make a significant impact, accelerate their learning, and assume real ownership. You should bring substantial expertise and analytical thinking, driven by our mission and operating principles. You act swiftly with sound judgment, delve deeply with curiosity, and base decisions on first principles, striking a balance between speed and diligence.You are humble and collaborative, adept at transforming initial concepts into tangible products, and you are committed to delivering results through every stage of the process. Leveraging AI to enhance productivity and expedite problem-solving, you will confront complex, high-stakes challenges alongside exceptional colleagues while advancing your career as we innovate the future of global banking. If this resonates with you, we look forward to building the future together.About the TeamOur Payments team operates across China, the Netherlands, and Singapore, embracing a diverse array of cultures and viewpoints. We are dedicated to demystifying the intricacies of payments for businesses by crafting solutions that seamlessly fit into their operations, boosting efficiency and enhancing customer conversion rates. Within our vibrant and multifaceted team, you will find yourself at the crossroads of innovation and practicality, where every input is vital in streamlining payment processes.By joining us, you become part of a global network of engineers who are reshaping the payments ecosystem while significantly contributing to the operational success of businesses worldwide.What You’ll DoIn this role, you will...

Monumental is pioneering the automation of on-site construction through cutting-edge robotics and innovative software solutions. Our vision is to transform construction into a primarily software-driven process, enabling the creation of exquisite, custom-built structures within a single day while significantly reducing labor intensity.As a dynamic team of approximately 100 professionals, primarily engineers and technicians, we hail from esteemed organizations such as Palantir, Qualcomm, Dyson, Shopify, Tesla, and Meta. Joining us at this nascent stage presents a unique opportunity to become an integral part of a high-growth, ambitious startup, working closely with an experienced founding team supported by top-tier investors.Our office is situated near the Artis Zoo in the vibrant Plantage area of Amsterdam. We offer a stunning workspace complete with an in-house workshop and robot testing facilities. We are not a hybrid or remote-first organization; we value collaboration and teamwork, which is why we work together five days a week in the office. Discover why we believe you should invest your career in construction, and explore our vision and company profile. You may also enjoy this video showcasing our office environment.About You and This RoleWe are seeking a passionate software engineer eager to develop software that interacts with the physical world—moving beyond the conventional SaaS model. Your work will involve designing and implementing software that governs fleets of autonomous construction robots. Our software stack is extensive, encompassing everything from microcontroller firmware to the user interface that operators utilize for robot control. Our projects include CAD tools for designing masonry structures, path planning and motion control systems, telemetry and inspection tools, as well as distributed data storage and synchronization.You will tackle complex technical challenges that integrate hardware, software, and scalable infrastructure while ensuring high availability on construction sites. Our operating system for construction, Atrium, is developed using TypeScript and other advanced technologies.

Make an impact. Embrace humanity. Stay curious.About UsAt Rewire, we are at the forefront of the AI revolution, leveraging exponential data growth to tackle the challenges of tomorrow. Our mission is not just to follow trends in Data & AI, but to be the innovators who define them.If you have a passion for overcoming real-world challenges and delivering significant results, this role is designed for you! Your proactive attitude and technical ingenuity will play a critical role in shaping Rewire's internal technology infrastructure.We are determined to propel Rewire's business to new heights, and we seek a Platform Engineer to help us achieve this vision. You will be integral to our internal IT ecosystem, supporting employees, automating processes, and constructing scalable and secure systems that empower our engineers and consultants to excel—ranging from standard office automation to implementing AI-driven productivity tools.Begin your journey close to operations and advance toward systems design and architecture, collaborating with seasoned Cloud Engineers to enhance our internal platforms continuously.Join a vibrant team of data & AI professionals who are committed to solving meaningful challenges, crafting intelligent solutions, and enjoying the journey together. Ready to embark on this adventure?Your Contributions Will MatterManage and optimize Rewire's internal IT environment—overseeing Microsoft 365 services such as Exchange Online, SharePoint, Teams, Entra ID, Intune, Purview, and Defender.Provide first-tier support for internal employees, resolving issues promptly and effectively.Automate internal operations by developing self-service solutions, scripting workflows, and scalable permission models.Oversee end-user hardware, including managing Windows and macOS devices and maintaining hardware inventories across offices.Establish and enforce best practices within the company’s tech landscape regarding access models, backup & recovery, logging, PIM & PAM tools.Collaborate with Cloud & Platform Engineers to enhance your architectural skills through joint efforts on shared infrastructure, CI/CD integrations, and AWS-connected systems.

Join Brooks Running Company as a Sales Representative in Amsterdam, where you'll play a key role in driving sales and fostering relationships with customers. Your expertise will help promote our renowned running products and ensure customer satisfaction. If you are passionate about running and thrive in a dynamic sales environment, we want to hear from you!

At Patagonia, we are committed to saving our home planet. As a leading outdoor apparel company since 1973, we utilize our resources—our business, investments, voice, and creativity—to advocate for the changes necessary to protect our environment. As a certified B Corporation and a founding member of 1% for the Planet, Patagonia has made significant strides in environmental activism, contributing over $145 million in grants and in-kind donations to grassroots organizations worldwide.Your Role:The Platform Operations Engineer is essential in ensuring the security and efficiency of our infrastructure operations across the EMEA region. This role operates under the guidance of our Global Platform Engineering, Network Engineering, and Cyber Security teams, adhering to established policies, procedures, and standards.This position involves the configuration, monitoring, and maintenance of platform and infrastructure systems that facilitate business continuity and cross-functional operations across multiple countries in the EMEA region. You will work with enterprise-grade platforms such as Microsoft Azure, Palo Alto, and Cisco, aligning with global technology standards.Main Responsibilities:• Manage and Support EMEA Platform Operations: Ensure secure and redundant operations by configuring, monitoring, and maintaining platform and infrastructure systems across EMEA regional offices and stores in accordance with established policies. Execute system-level tasks aligned with global team standards, including network maintenance, server updates, and backup operations, while adhering to approved change management procedures. Troubleshoot Tier 2/3 issues and escalate as necessary, collaborating with the US-based global team to maintain standards and compliance.• Implement Global Technical Requirements: Conduct patching, storage provisioning, and backup scheduling according to established priorities and procedures. Identify and report technical gaps to leadership for resolution while implementing global architecture standards and toolsets as directed.• Collaborate with Vendors and Global Technology Teams: Liaise with EMEA third-party platform and infrastructure service providers to support hardware procurement, software delivery, and field support activities. Work closely with global technology counterparts to implement tools and facilitate system rollouts, such as cloud identity federation or endpoint protection solutions.• Enhance Technology Process Automation: Develop and implement scripts and workflows to automate repetitive administrative tasks, improving system efficiency and minimizing manual errors. Document regional IT support processes.

Join Our Team at AirwallexAt Airwallex, we are redefining the landscape of global financial solutions. As the only integrated payments platform designed specifically for international business, we empower over 200,000 companies, including renowned names like Brex, Rippling, Navan, Qantas, and SHEIN, with seamless tools for managing accounts, payments, expense management, and integrated finance solutions on a global scale.Founded in Melbourne in 2015, we have expanded our innovative team to over 2,000 talented professionals spread across 26 offices worldwide. With a current valuation of $8 billion and backing from top-tier investors such as T. Rowe Price, Visa, Mastercard, and Sequoia, Airwallex is at the forefront of building the future of financial technology. If you are eager to make a significant impact in your career, we want you on our team.What We Look ForWe seek ambitious individuals who possess a founder-like mindset and are eager for genuine impact, accelerated learning, and ownership of their work. You should bring a wealth of expertise in software development, combined with a sharp analytical approach, and be driven by our mission and operating principles. Your ability to move swiftly with sound judgment, ask probing questions, and make decisions based on first principles will be vital as you navigate complex challenges.Collaboration and humility are key; you should be ready to transform innovative ideas into tangible products and see projects through from inception to completion. Leveraging AI to enhance efficiency and problem-solving capabilities is encouraged. Here, you will engage with complex, high-visibility projects alongside exceptional peers while advancing your career as we pioneer the future of global banking. If you resonate with this vision, let's create the future together.Location: Amsterdam, Netherlands (On-site, Hybrid Mode)Airwallex is a fast-growing fintech unicorn that has rapidly expanded since its inception. With a presence across Asia-Pacific, Europe, and North America, we specialize in offering diverse financial payment solutions for B2B enterprises, enabling seamless operations for businesses worldwide.

Join Our Dynamic TeamAt Software Improvement Group (SIG), we are dedicated to enhancing software quality through in-depth source code analysis and customized strategic guidance. Our advanced software assurance platform, Sigrid, combined with our expert IT consultants, ensures that our clients fully control their software environments, turning technology into a powerful ally for success rather than a risk factor. With a robust market presence and ambitious growth plans, we are looking for passionate individuals eager to contribute to our vision.Your RoleAs a Technical Software Consultant, you will provide valuable insights to technology leaders on improving the quality, minimizing risks, and managing costs associated with their critical software systems. You will employ tool-assisted source code investigations and established risk and cost analysis methodologies while working collaboratively on projects—often lasting 6 to 8 weeks—with a dedicated team of technology specialists led by a senior or principal consultant. Your projects may span various sectors, including public, energy, telecommunications, finance, and logistics, providing you with the opportunity to engage with senior leaders in large-scale business operations.Your ContributionsAs a vital member of our consultancy team, you will:Conduct technical interviews with lead architects and developers to gain an understanding of code, documentation, and system architecture.Analyze systems and identify potential risks that could impact the client's business objectives.Present and validate findings with lead architects and developers.Collaborate with your project team to formulate recommendations supported by your analysis.You will receive comprehensive training on SIG's proprietary toolset and methodologies, enabling you to achieve your professional development goals through continuous learning and regular career progression discussions. Your work will expose you to a diverse array of development technologies—from legacy systems to modern web frameworks and business process modeling—enhanced by our analytical tools.What We OfferWe provide a stimulating work environment that encourages growth and innovation. You will have access to ongoing training and mentorship to help you excel in your career.

Join a dynamic team at Insify, a rapidly growing European insurtech, and take the lead in shaping impactful outcomes.At Insify, we are entrepreneurs at heart, dedicated to creating innovative insurance solutions tailored for other entrepreneurs. We understand the journey of building from the ground up, taking calculated risks, and embracing responsibilities that extend beyond traditional hours.Our mission is both straightforward and ambitious: to revolutionize business insurance, making it 10 times simpler, faster, and fairer for entrepreneurs and SMEs throughout Europe. We eliminate cumbersome paperwork, obscure fine print, and outdated complexities, relying instead on modern software, intelligent automation, and an unwavering commitment to customer satisfaction. As a high-growth scale-up in Europe, we have secured €43M in funding from top-tier investors and aim to lead the global market in digital insurance for entrepreneurs and SMEs, starting from the Netherlands and expanding into France and Germany.We are fundamentally a technology-driven company, crafting our own insurtech platform while leveraging data, automation, and AI to transform the entire insurance process, from underwriting to claims. Our fully digital customer portal, coupled with a strong focus on user experience, is redefining insurance as a simple, transparent, and equitable service.Our leadership comprises seasoned entrepreneurs who have successfully built and scaled businesses, instilling that same drive, urgency, and sense of ownership in everything we do.Our CultureWe are not merely creating a company; we are establishing a category leader, which demands ambition, accountability, and speed.Our culture is characterized by three core principles:High Ownership Team members take full responsibility for their challenges. If something is unclear or broken, we proactively take action to resolve it.High Pace Priorities are dynamic, and decisions are made swiftly. We prioritize momentum and learning over perfection.High Standards Results are valued more than appearances. We focus on outcomes, quality, and commitment to our work.Furthermore, you will not be working in isolation.We believe that exceptional work is the product of close collaboration. Our team engages in face-to-face interactions, challenges each other's ideas, and encourages contributions from all levels, irrespective of title or experience.

IMC relies on technology at the core of its trading operations. The software that powers millions of trading decisions daily is built in-house, helping IMC stay ahead through fast, informed choices. Role Overview Java Software Engineers at IMC in Amsterdam work across a broad landscape of applications. Teams contribute to areas such as trading algorithm development, option pricing, volatility modeling, simulation frameworks, market risk systems, trade reconciliation, and advanced data analysis and visualization tools for traders. The work extends beyond business applications to include building tools that improve the development process itself. What You Will Do Work closely with engineers, traders, researchers, and quantitative analysts in multidisciplinary teams. Take responsibility for the full product lifecycle: from gathering requirements through to production deployment. Write reliable, high-performance Java software, balancing speed, quality, and testability. Use advanced automated testing and daily deployments to deliver incremental improvements. Navigate a complex environment of diverse systems and technologies, making trade-offs among latency, throughput, simplicity, scalability, and maintainability. Develop, test, deploy, and maintain applications and automation for Trading, Risk Management, Mid-Office, and Strategy Development teams. Collaborate with internal clients to gather requirements and feedback, implementing automation solutions with modern coding practices. Location This position is based in Amsterdam, Netherlands.

About UsAt GreenFlux, we are committed to revolutionizing electric mobility with our innovative cloud-based charge point management SaaS solution. We connect Charge Point Operators (CPOs) and e-Mobility Service Providers (eMSPs) to ensure a seamless charging experience for electric vehicle drivers. As part of the DKV Mobility Group, a leading European mobility company, we are at the forefront of facilitating the transition to sustainable mobility. Join us in our mission to drive the renewable energy revolution forward.Your RoleIn this position, you will engage with an agile, self-organized team, working within a well-defined product area. Collaborating closely with your team, you will tackle unique and complex algorithms while managing vast datasets from diverse sources. This role offers the chance to contribute to all aspects of our product while fostering personal growth in a supportive environment that values quality and documentation.Technologies We Leverage:Microservices architecture with the latest versions of C#/.NET.Frontend technologies including Vue.js, Nuxt, Razor, JavaScript, and TypeScript.Cloud-native services hosted on Azure.Serverless and event-driven architectures using Azure Functions, Service Bus, and Event Grid.Cloud-native storage solutions like Azure SQL, Cosmos DB, and Redis.Data visualization tools such as Elasticsearch and Kibana.CI/CD with Azure DevOps.Infrastructure as code utilizing Bicep.Testing frameworks like Reqnroll and Playwright.

At IMC, technology is woven into the very fabric of our operations. Our proprietary software executes millions of trading decisions daily, allowing us to outpace competitors through superior speed and decision-making. Our skilled Python Development teams are responsible for creating scalable applications, tools, and automated processes to support IMC's trading and business operations across Amsterdam, London, Zug, and Mumbai. Your Key Responsibilities As a Python Software Engineer at our Amsterdam office, you will engage in developing high-performance trading systems, analytical tools, signal generation, backtesting frameworks, trade management UIs, and regulatory surveillance systems. Your role will require close collaboration with both business and technical teams, starting from requirement gathering to iterative development cycles, integrating user feedback, and implementing your enhancements. All software developed is for internal use, allowing you direct access to users who are just a few meters away, ensuring you have control over the entire development cycle. A genuine curiosity about trading and financial markets is essential, as understanding the business context is pivotal. At IMC, we empower our engineers with a high level of responsibility from the outset. You will work towards your objectives independently while being supported by a robust network of mentors and colleagues who share your enthusiasm for trading and technology. Possible tasks you may undertake include: Incorporating new signals proposed by traders into our framework. Assisting trading desks in developing essential data analytics and visualization tools. Conducting troubleshooting and performance analysis. Educating team members on how to leverage our technology within their scripts. Creating and disseminating internal Python libraries. Initiating new full-stack projects from the ground up.

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.

About UsAsula is a pioneering bitcoin company dedicated to developing cutting-edge financial products that bridge the gap between bitcoin, blockchains, stablecoins, and traditional finance. Currently, we are focused on our innovative mobile application, Dawn, which empowers users to save and enhance their wealth through bitcoin and stablecoins. In addition to Dawn, our initiatives include enabling seamless bitcoin swaps and credit access for holders of all sizes via onchain protocols.RoleWe are in search of a versatile Senior Software Engineer to join our dynamic team, contributing across the backend stack to breathe life into our products. In this role, you will be expected to:Design and implement robust backend systems that support both user-facing applications (like Dawn) and essential protocol components.Architect scalable and resilient services, including APIs, stateful services, and blockchain data pipelines capable of handling real-world demands.Drive significant architectural enhancements to the codebase while establishing best practices in our evolving organization.Mentor team members to elevate long-term architecture and code quality.QualificationsA minimum of 3 years of hands-on experience as a systems engineer, designing and managing production services with real traffic, preferably in finance, trading, or blockchain sectors.In-depth knowledge of distributed systems, data modeling, and network architecture — with a focus on latency, throughput, and fault tolerance.Proficiency in at least one strongly-typed backend programming language (Rust, Go, or C++) and comfortable navigating various frameworks, APIs, and infrastructure.A genuine interest in bitcoin, blockchains, and onchain finance.Nice to HavesExperience utilizing stablecoins and/or bitcoin in your everyday transactions.Background in developing low-latency systems for trading.

Embark on your journey with IMC as a Graduate Software Engineer through our comprehensive five-week Global Trainee Programme. Collaborate with experienced engineers and traders, alongside fellow graduates from across Europe, the United States, and Asia-Pacific. This immersive experience will enhance your understanding of trading dynamics and financial markets, while equipping you with the skills to develop high-quality production software. You’ll delve into advanced topics in C++, Java, or Python, and receive continuous guidance from a dedicated mentor at our Amsterdam office. Following your traineeship, you will have the opportunity to contribute to our Execution teams, developing sophisticated networks and proprietary algorithms, or join our Strategy teams to create systems that drive big data analytics.

Dataiku is the leading platform for AI success, providing an enterprise orchestration layer for developing, deploying, and governing AI. Within a unified environment, teams can craft and manage analytics, machine learning, and AI agents with the transparency, collaboration, and governance that enterprises demand. Dataiku sits above various data platforms, cloud infrastructures, and AI services, seamlessly connecting the entire enterprise AI stack—enabling organizations to implement AI across diverse environments with centralized oversight.The world's foremost companies depend on Dataiku to operationalize AI, transforming it into a genuine business performance engine that delivers quantifiable value. Explore more about us through the Dataiku blog, LinkedIn, X, and YouTube.Why Join the Engineering Team at Dataiku?At Dataiku, our platform—whether deployed on-premise, in the cloud, or as SaaS—integrates a myriad of data science technologies, reflecting our unwavering commitment to quality and innovation. We harness the best data and AI technologies, selecting tools that genuinely enhance our product. From cutting-edge LLMs to our dedication to open-source communities, you will have the opportunity to work with an exciting array of technologies while contributing to the collective knowledge of global tech pioneers. To learn more about our engineering culture, check out this link.For additional insights into Dataiku’s offerings, explore: Key Capabilities; GitHub; and the Gallery, showcasing example projects (note that editing is limited and regularly reset).Our flagship product, Dataiku DSS (Data Science Studio), is at the forefront of our mission. Interested in seeing it in action? Watch our demo here.

KPN DeX Service offers a Software Engineering Internship based in Amsterdam. This internship provides practical experience in software development within the telecommunications sector. What you will do Work alongside experienced engineers on active projects Tackle real-world software challenges and contribute to ongoing development Participate in all stages of the software development lifecycle, including design, implementation, and testing What you will gain Hands-on experience with current software engineering practices Opportunities to develop and strengthen technical skills Insight into how software solutions support telecommunications innovation This role is based in Amsterdam and is designed for those interested in learning from professionals while actively contributing to meaningful projects.

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.

Join a Transformative CompanyAt Palantir, we develop cutting-edge software that enables data-driven decision-making and operational excellence. Our innovative platforms empower organizations to tackle critical challenges, from accelerating the development of life-saving pharmaceuticals to enhancing supply chain resilience and aiding in child recovery efforts.Your RoleAs a Forward Deployed Software Engineer (FDSE), you will collaborate closely with clients to identify their most pressing issues and craft tailored solutions that leverage data effectively. Our clients depend on Palantir’s powerful tools for their most vital operations, often presenting questions like, “What is causing our flight delays?” or “How can we improve our detection of money laundering?” In this role, you will harness your analytical skills, creativity, and technical expertise to drive meaningful outcomes across various industries.In this position, you will take on responsibilities akin to those of a startup CTO: working in agile teams with significant autonomy while overseeing the complete execution of high-impact projects. Your daily activities may include architectural discussions with peers, managing large-scale data sets, developing custom web applications, engaging with executive clients, and strategizing for your team.Whether your aspirations lie in entrepreneurship or engineering leadership, Palantir offers an unparalleled environment to cultivate your skills alongside exceptional colleagues. Here, you'll learn to dissect complex problems, assess the ramifications of solutions, and explore new technologies and programming languages, potentially even creating them yourself. You will operate independently while benefiting from a supportive yet challenging community that encourages your growth and development.