Senior Backend Software Engineer at Protolabs | Amsterdam

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.

Monumental is revolutionizing the construction industry by integrating advanced robotics and sophisticated software solutions. Our mission is to redefine construction as a software-driven process, enabling the creation of stunning, custom-designed buildings in a single day with minimal labor.As a rapidly expanding team of approximately 100 skilled engineers and technicians, we hail from esteemed organizations such as Palantir, Qualcomm, Dyson, Shopify, Tesla, Meta, and 1X. Joining us at this stage presents a rare opportunity to become an early team member in a dynamic, high-growth startup environment. From your very first day, you will collaborate with a seasoned founding team, supported by top-tier investors.Our headquarters is located near Artis Zoo in the vibrant Plantage district of Amsterdam, where we boast a beautiful office equipped with an in-house workshop and a robotic testing facility. We emphasize the importance of teamwork, as we believe in collaborating together in the office five days a week. Discover more about why working in construction is fulfilling here, and delve into our vision and company details. You might also find this video by Andreas Klinger showcasing our office environment insightful.About You and This RoleIn our view, effective engineering is best achieved through direct engagement with users. For us, that means immersing yourself in the real-world environment of our robots on construction sites.Enhancing robot performance and behavior from a desk is challenging; the most successful approach is to be present with the robot and capable of addressing issues independently rather than relying on others. This unique role sits at the intersection of engineering, product development, and operations, and we believe it will significantly influence our business's trajectory. However, this role may not suit everyone, as you will be required to wear hard hats and steel-toed boots regularly. You will...

About LangChainAt LangChain, we are dedicated to making intelligent agents a cornerstone of modern technology. Our goal is to empower developers by providing the tools necessary to transition from initial prototypes to production-ready AI agents that teams can depend upon. Beginning as widely embraced open-source tools, we have expanded our offerings to include a robust platform for building, evaluating, deploying, and managing agents at scale.Our solutions, including LangChain, LangGraph, LangSmith, and Agent Builder, are trusted by teams developing real AI products across various sectors, from startups to Fortune 500 companies. Notable clients include Replit, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, and Vanta, representing 35% of the Fortune 500.With a successful Series B funding round raising $125M from esteemed investors such as IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we are poised for significant growth. Every team member plays a critical role in shaping our products and company culture, making LangChain a dynamic environment for innovation and impact.About the RoleLocation: Amsterdam, NetherlandsCollaborate with pioneering companies to transform innovative ideas into production-ready applications in the realm of LLM.Engage in the development of a diverse range of LLM applications, including concierge search, code generation, and intelligent co-pilots.Deliver technical demonstrations showcasing the complete suite of LangChain's products.Facilitate training sessions and workshops focused on best practices for developer audiences.Work closely with the enterprise sales team to secure new deals.Collaborate with engineering teams to translate customer feedback into actionable product enhancements.Lead special projects that leverage our new products, both internally and externally.Success Factors in This RoleEngineers who are passionate about customer interactions and have aspirations of becoming future founders.Deployed engineers or solution architects with prior experience in developer-centric organizations.Candidates with an engineering background who thrive as trusted partners to clients.Individuals who are adept at finding innovative solutions and driving projects to success.

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.

Join our innovative team at Onramper as we revolutionize fiat-to-crypto transactions!We are a dynamic scale-up based in the Netherlands, dedicated to facilitating access to web3 by connecting fiat currencies (Euros, Dollars, and more) with cryptocurrencies.Our cutting-edge embeddable widget and API empower crypto-native wallets, enabling users to purchase cryptocurrencies globally through over 130 payment methods.Our technology is trusted by industry leaders such as Coinbase, Exodus, and Opera browser, and utilized by hundreds of platforms within their fiat onramping solutions. We partner with top fiat-to-crypto payment gateways, streamlining the process so users can easily buy crypto within their platforms. This intersection is crucial for the future of web3 and the metaverse.We are on the lookout for a Fullstack Engineer who possesses a passion for developing modern web platforms and a drive for personal growth and innovation. In this role, you will take the lead on some of the core components of our platform as part of a collaborative, cross-functional team.

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.

Monumental is revolutionizing on-site construction through the integration of advanced robotics and cutting-edge software. Our goal is to redefine construction as primarily software-driven, paving the way for the creation of stunning, custom buildings in just one day with minimal labor involved.As a rapidly expanding team of around 100 engineers and technicians, we come from prestigious companies such as Palantir, Qualcomm, Dyson, Shopify, Tesla, and Meta. Joining us now means you will be an early employee in a high-growth startup environment filled with ambition. From your first day, you will collaborate with a seasoned founding team supported by top-tier investors.Our headquarters is located near the Artis Zoo in the vibrant Plantage area, right in the heart of Amsterdam. We offer a beautiful office space equipped with an in-house workshop and a robotics testing facility. We are not a hybrid or remote-first company; we value face-to-face collaboration five days a week in the office. To understand why we believe in dedicating your time to construction, check out this link, and learn about our vision and company details. You may also find this video by Andreas Klinger showcasing our office environment interesting.About You and This RoleThe traditional startup mantra for engineers is to spend time with your users. Our take on this is to immerse yourself with our robots in their natural habitat—the construction site.Improving a robot's behavior and performance is challenging when you're confined to an office setting, tweaking kinematics or planning new features that must operate effectively within the dynamic environment of a construction site. Our experience shows that the most effective way to enhance robots is to be present with them, enabling you to troubleshoot and make adjustments directly rather than relying on another engineer.This role sits at the intersection of engineering, product development, and operations, and we view it as critical to our business's success. It is not a role for everyone; you will be required to wear hard hats and safety boots for most of your workdays.

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.

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.

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.

Speechify is hiring a Software Engineer for the iOS Core Product team in Amsterdam. This role focuses on building new features and making the user experience better for the Speechify iOS app. The team works together to create tools that help people get more from audio content. Responsibilities Design and implement features for the Speechify iOS platform Use Swift and iOS frameworks to write reliable, high-quality code Work closely with fellow engineers to solve technical challenges and deliver updates Location This position is based in Amsterdam, Netherlands.

Samba TV is a pioneering force in the realm of streaming and broadcast video, leveraging our proprietary data and innovative technology to revolutionize the viewing experience globally. Our mission is to connect media companies with audiences for their latest shows and movies while enabling advertisers to engage effectively with viewers, measuring reach across all devices. Backed by a global presence and AI-driven insights, we offer a unique perspective on culture and entertainment.We invite you to join our Identity team in Amsterdam as a Senior Software Engineer. This team is responsible for developing and managing the core systems that drive Samba TV's cross-device identity resolution, data onboarding, and distribution capabilities, which serve as the essential connection between our data and advertisers, agencies, data partners, and internal product teams.In this role, you will architect and implement large-scale, cloud-native data engineering systems that efficiently ingest, transform, and distribute identity-linked data at an extensive scale.With over 12 years of experience, you will operate as a technical authority, guiding the direction of Identity systems, resolving complex challenges, and shaping the evolution of these systems to support Samba's expanding product ecosystem. As a recognized subject matter expert within the organization, you will drive cross-functional collaboration and be accountable for outcomes that span the Identity domain and broader product engineering.

About Tebi Tebi builds a Connected Restaurant Management System that brings together sales, reservations, kitchen prep, payments, and essential data in one platform. The goal: smoother operations and clear analytics for hospitality businesses. Founded by Arnout Schuijff (Adyen co-founder) and backed by €50 million from Index Ventures and CapitalG, Tebi focuses on real needs in the hospitality sector. Thousands of restaurants, cafés, bars, and coffee shops in the Netherlands, the UK, and other countries already use Tebi’s solution. Role Overview: Senior Software/DevOps Engineer This role centers on strengthening Tebi’s backend and infrastructure. The Senior Backend/DevOps Engineer shapes scalable services and fine-tunes core software architecture. Expect to work on both the underlying system and new product features. The work directly supports a seamless experience for users and staff in the hospitality industry. Tebi looks for someone who enjoys tackling complex systems, cares about performance, and wants to help modernize a sector that still faces many technical challenges. Location Amsterdam (on-site). Tebi supports relocation for EU citizens moving from abroad. Relocation Support Comprehensive relocation package available for EU citizens relocating to the Netherlands.