Full-Stack JavaScript Engineer at Yopeso | Madrid

Blacklane is seeking a Platform Engineering Manager to join the team in either Barcelona or Madrid. The focus of this role is to turn the internal platform into a unified product that connects infrastructure with developer needs. The manager will lead a growing team, aiming to streamline the developer experience and help product teams deliver more effectively. Key Responsibilities Define the direction and structure of the platform in partnership with a Staff Engineer, shaping both the team and the roadmap. Establish and maintain standards for engineering quality, prioritizing strong outcomes over simply closing tickets. Oversee delivery schedules and project scope, making decisions that influence business results. Clarify ambiguous requirements and translate them into clear, actionable plans, balancing progress with thoughtful trade-offs. Coach and support the Platform team, fostering growth, performance, and collaboration. Communicate openly with other Engineering Managers to coordinate expectations and manage dependencies. Requirements Background in Platform, Backend, or Data Engineering, with experience building and leading effective teams. Proactive in identifying and addressing challenges, able to develop business cases, gain support, and follow through on plans. Skilled at managing complex, cross-team projects and delivering strong results. Dedicated to continuous learning and consistently completes work to a high standard. Location This role is based in Barcelona or Madrid.

Join Nexthink as a Platform Engineer, where you'll play a pivotal role in enhancing the Engineering Productivity team's initiatives to empower product engineering teams in delivering exceptional software efficiently and at scale.In this dynamic position, you will take ownership of our enablement platform and productivity tools, focusing on the evolution and automation of our CI/CD stack. Your efforts will drive significant enhancements in delivery workflows, system reliability, and the overall software development lifecycle by minimizing friction and maximizing effectiveness.As the landscape of software development transforms with the integration of AI-assisted workflows and autonomous practices, your expertise will be crucial in guiding our platform's evolution to meet these new demands.Your contributions will help modernize our delivery platform to include:AI-augmented and agentic development methodologiesAutomation-first engineering principlesRobust, self-service CI/CD capabilities designed for scalabilityEmbrace the challenge to elevate engineering productivity across the organization while preparing our platform for the future of software development.

As a Senior Backend/Platform Engineer at causaprima, you will be responsible for the foundational platform utilized by our agents. Your expertise will enhance our event-driven architecture, streamline data pipelines, integrate with customer accounting systems, and ensure that our infrastructure is reliable, auditable, and efficient.Key ResponsibilitiesEvent Store Management — Design and maintain an append-only PostgreSQL database featuring tamper-evident hash chaining, real-time event distribution, agent replay, recovery capabilities, and schema versioning.Cryptographic Signature Infrastructure — Establish key management and signature verification systems for all agent events while implementing approval chains for external actions.Workflow Constraint Engine — Develop a gateway to verify authorization for any external actions including emails, payments, or API calls.PII Vault & GDPR Compliance — Create isolated, encrypted storage solutions for personal data, ensuring compliance with the right to erasure and data residency requirements.Multi-Tenancy Management — Implement row-level security and tenant isolation across all data stores, including tenant-scoped LLM API keys.Authorization Framework (Cerbos) — Utilize attribute-based access control for both agents and humans, ensuring deterministic policy evaluation where LLMs do not make authorization decisions.MCP Security Layer — Develop authentication, capability-based scoping per partner, and rate limiting for the Model Context Protocol endpoint.Database Architecture — Focus on PostgreSQL schema design, indexing strategies, performance tuning, and read replica topology.

Role overview Ebury is hiring an AI Platform Engineer for the Data Platform Engineering team based in Madrid (or Malaga). This hybrid position requires four days per week onsite and one day remote. The team is central to Ebury’s growth, focusing on building and maintaining the infrastructure that powers AI and agentic products throughout the company. What you will do Develop and maintain the Ebury Data Platform as part of the Data Platform Engineering team. Help build the Agentic Data Plane (ADP), which serves as a unified and governed interface for AI and agentic products. Design and implement features to simplify data communication and access, while maintaining governance, lineage, traceability, and replayability. Work closely with cross-functional domain teams to support secure and efficient deployment of AI and agentic products at scale. Work environment Hybrid schedule: four days onsite in Madrid (or Malaga), one day remote. Team values innovation, collaboration, and strong problem-solving skills. Supportive culture where team members are encouraged to grow and contribute to Ebury’s mission.

Ebury empowers ambitious businesses to achieve global growth, and we apply this same philosophy to our team members. We promote innovation, collaboration, and problem-solving while creating an inclusive environment where everyone feels valued and supported to succeed.If you’re a team player eager to revolutionize the way businesses function on a global scale, we invite you to connect with us. Ebury is excited to help accelerate your career and enable you to shape the future.Senior Data Platform EngineerMadrid Office - Hybrid: 4 days in the office, 1 day working from homeBecome a key part of our Data Team at Ebury's Madrid Office.Our ambitious growth strategy hinges on the success of our Data team, and we are looking for a Senior Data Engineer to join our Data Platform team! Our goal is to develop, maintain, and enhance Ebury’s Data Platform focusing on scalable, robust, and innovative frameworks.In your role as a Senior Data Platform Engineer, you will collaborate with your team to develop and improve our Data Platform.

Join Aircall as a Senior Backend/Platform Engineer, where you will play a crucial role in enhancing our platform's infrastructure and backend systems. You will collaborate with cross-functional teams to design and implement scalable solutions that ensure seamless communication for our users. If you are passionate about crafting high-performance systems and thrive in a dynamic environment, we would love to hear from you!

Location: Madrid (Hybrid: 4 days in office, 1 day remote) Role Overview Ebury is seeking an experienced Engineering Manager to lead the Platform Foundations AWS team. This role involves direct management of engineering teams, technical oversight, and setting the technical direction for the core infrastructure layer, with a primary focus on AWS. The position is based in Madrid and follows a hybrid work model. The Platform Engineering Manager will ensure the resilience, compliance, scalability, and cost-effectiveness of Ebury's foundational AWS platform. Areas of responsibility include Cloud Infrastructure, Networking, Observability, and key CI/CD capabilities. Experience working in highly regulated environments is essential, as this role manages relationships with internal and external audit bodies relevant to platform operations. This position also supports Ebury’s global expansion, including integrating infrastructure for new subsidiaries and M&A activities. What You Will Do Technical Leadership and Execution Shape and guide the technical roadmap for the team, covering AWS infrastructure, networking, and foundational tooling over a 6-12 month horizon. Direct strategic approaches for AWS cloud operations and infrastructure automation, focusing on security, consistency, and cost efficiency. Take responsibility for the reliability, availability, security, and scalability of core infrastructure components. Lead technical implementation for global platform integration within AWS, supporting new subsidiaries and M&A activities through standardized infrastructure provisioning and best practices. Serve as a technical mentor and authority, advising engineers on complex architecture decisions and best practices. Delivery Management and Operations Oversee...

Ebury is hiring a Senior Data Engineer - AI Platform to join the Data Platform Engineering team in Madrid or Malaga. This hybrid position requires working onsite four days each week, with one day remote. Team focus The Data team supports Ebury’s growth by building, maintaining, and improving the company’s Data Platform. The group works closely with business operations and leads projects that enable new AI initiatives. Key responsibilities Collaborate with the Data Platform team and other domain teams to design and implement new platform features. Develop the Agentic Data Plane (ADP), which serves as a unified, governed interface layer for AI and agentic products. Ensure the platform enables secure and scalable deployment of AI and agentic solutions. Contribute to systems that improve data access, governance, lineage, traceability, and replayability. Work arrangement Role based in Madrid or Malaga. Hybrid schedule: four days onsite, one day remote per week.

Ebury empowers ambitious businesses to achieve global expansion, mirroring this ethos in our approach to our team. We champion innovation, collaboration, and problem-solving, creating an inclusive environment where everyone feels valued, supported, and empowered to thrive.If you're a collaborative professional eager to revolutionize global business operations, connect with us. We would be delighted to discuss how Ebury can accelerate your career trajectory and enable you to influence the future.Join Our Data Team as a Senior Data Engineer - AI PlatformHybrid Work Model: 4 days in the office, 1 day remoteBecome a part of Ebury's Data Team in our Madrid or Málaga office.The success of Ebury's strategic growth plan heavily relies on our Data team, and we are on the lookout for a skilled Data Engineer - AI Platform to enhance our Data Platform Engineering team!Our mission centers on developing, maintaining, and enhancing Ebury's Data Platform, with a current focus on constructing the Agentic Data Plane (ADP): a cohesive, governed interface layer for AI and agentic products that simplifies data communication and access while ensuring governance, lineage, traceability, and full replayability.As an AI Platform Engineer, you will collaborate closely with the Data Platform team and cross-functional domain teams to design and deliver the platform capabilities that allow Ebury to safely deploy AI and agentic products at scale.What We Offer:Attractive salary and benefits packagePerformance-based discretionary bonusOngoing personal development through training and certificationSupportive of Open Source principles, encouraging contributions to both internal and external projects

The Senior Platform Architect within the Customer Outcomes team plays a vital advisory role, focusing on assisting our clients in establishing a robust technical foundation on the ServiceNow Platform and crafting solutions that yield significant outcomes. This position ensures that clients adhere to best practices in instance strategy, technical governance, core data management, integrations, and overall platform health. As a consultative expert, you will guide ServiceNow, partner, and customer teams towards architecture solutions designed for sustained success.Engage with clients across various levels, including executives, platform owners, enterprise architects, and development teams, throughout the selling, structuring, and implementation phases.Serve as an architectural advisor across multiple engagements, facilitating successful solutions for customers, partners, and internal teams.Provide extensive architectural insights across diverse workflows.Build strong relationships with CoEI and business leaders at customer locations to comprehend the role of ServiceNow in their digital transformation journeys.Convert strategic goals into actionable customer roadmaps.Translate business and technical requirements into comprehensive architectural blueprints to meet complex objectives.Collaborate with clients' Enterprise Architects to position ServiceNow as the standard for digital transformation, ensuring integration with core applications.Oversee technical governance and the operational delivery model.Work with engagement teams to improve instance health by minimizing technical debt and aligning with ServiceNow's leading practices.Contribute actively to the sales process by scoping and estimating engagement and change orders.Share your expertise and promote leading practices related to the ServiceNow platform.

Role overview Miratech seeks a Business Analyst specializing in Platform & Orchestration for its Madrid office. This position centers on enhancing platform capabilities and streamlining orchestration processes to better serve business needs. What you will do Collaborate with teams across departments to gather requirements for platform and orchestration initiatives Convert business objectives into actionable insights and recommendations Help maintain alignment between platforms and the expectations of clients and stakeholders Contribute to the ongoing improvement of platform features and orchestration workflows Location This role is based in Madrid.

Managing business expenses shouldn't feel complicated. At Pleo, we are transforming spend management into a streamlined and empowering process for finance teams and employees alike, allowing businesses to truly ‘go beyond’.The name ‘Pleo’ embodies our philosophy of delivering ‘more than you’d expect,’ which has fueled our success over the past decade.As we continue to grow, each decision we make significantly impacts our 40,000+ customers and our overall success. We seek individuals who take pride in identifying customer needs, simplifying complex problems, and challenging the status quo with respect. With ambitious goals ahead, we recognize that our journey is filled with learning opportunities. Our team comprises over 850 dedicated professionals from more than 100 nationalities, all sharing a commitment to revolutionizing business spending.At Pleo, we aim to redefine spend management through our innovative product used by thousands of companies across Europe, with our web application being a crucial aspect of this mission.We are looking for a Staff Engineer to join our Web Core team, responsible for enabling product engineers to develop and deliver high-quality web software. Our team oversees the foundational elements of the web stack, including tooling, architecture, and developer workflow reliability, collaborating closely with product teams to enhance delivery speed, safety, and consistency.About the Web Core TeamDevelop and maintain a robust web platform that empowers teams to deliver exceptional web experiences.Promote technical excellence across Pleo’s web applications, focusing on architecture, performance, and accessibility.Enhance the developer experience via improved tooling, continuous integration reliability, and rapid feedback mechanisms.Manage shared web foundations, fostering adoption of libraries and best practices.Engage with and contribute to the wider frontend community at Pleo.Your RoleAs a Staff Engineer in Web Core, you will act as a force multiplier, working across teams to eliminate obstacles and elevate the standards of our web software development.

Join our dynamic team at Devoteam as a Golang Developer specializing in Google Cloud Platform (GCP). We are looking for a passionate developer who is eager to innovate and enhance our cloud-based solutions. You will work closely with cross-functional teams to design, develop, and maintain scalable applications. As a part of our team, you will have the opportunity to work on exciting projects that leverage cutting-edge technologies. Your expertise in Golang and GCP will play a pivotal role in driving our projects forward.

Role overview Ebury seeks a Senior Product Manager to lead the API Platform from its Madrid office. This role shapes the platform’s direction, setting strategy and guiding projects from early ideas through to launch. Collaboration sits at the center of the work, with frequent interaction across engineering, design, and business teams. What you will do Define and carry out the roadmap for the API Platform Work closely with both technical and non-technical colleagues to deliver new features and platform improvements Manage project timelines, ensuring progress stays aligned with business objectives Promote product quality and a strong user experience at every stage of development Requirements Background in managing complex technology projects Solid understanding of APIs and platform-focused products Experience working across multiple teams and handling competing priorities Comfort moving between strategic planning and hands-on tasks This position is based in Madrid.

At JetBrains, we are passionate about code. Since our inception in 2000, our mission has been to develop the most powerful and effective developer tools available. By automating routine checks and corrections, we accelerate production, empowering developers to innovate and create.About the InitiativeJetBrains is transitioning from standalone developer tools to a cohesive, AI-native platform for software development.AI is evolving from a mere editor assistant to an integral participant in the planning, building, reviewing, and operation of software across teams and organizations. This transformation brings forth challenges that go beyond individual tools, including governance, security, cost management, observability, and coordination between human and autonomous agents.Our aim is to establish a platform that facilitates the structured, scalable, and economically efficient adoption of AI in software development—without confining companies to closed ecosystems.We are constructing the foundation that integrates developer workflows, team collaboration, and organizational control into a cohesive system.This platform will function as the execution and governance layer for AI-driven development, seamlessly integrated with developer tools while designed for cross-team, product, and environment functionality.This initiative represents a long-term strategic investment for JetBrains and is a crucial element of our vision for the future of software development. The RoleWe are seeking a Developer Experience Lead to spearhead significant enhancements to the development experience within the JetBrains Cloud Platform (JCP).This position focuses on optimizing the productivity of JCP engineers by refining build systems, CI/CD pipelines, local development workflows, tooling infrastructure, and AI pipelines. You will be responsible for the developer experience from start to finish—covering local development, testing, CI processes, and production deployment. As this platform is rapidly evolving, many workflows and processes are still being refined. You will define what a superior development experience entails and guide the organization towards achieving it. As part of the team, your responsibilities will include:Leading and executing the strategy for developer experience enhancements across the entire JCP platform.Optimizing build systems (including Gradle, Nx, and others) for quicker builds, improved caching, and reliable scalability.Establishing AI development pipelines, managing context, agents, and transitions, and...

Join our dynamic team at Experian as a Senior Product Manager for our Analytics Cloud Platform. In this pivotal role, you will lead product development efforts, drive strategy, and ensure the successful delivery of innovative analytics solutions that empower our clients to make data-driven decisions.Your expertise will influence product direction and enhancements, while collaborating with cross-functional teams to define and prioritize features. If you are passionate about analytics and have a strong desire to shape product strategy in a fast-paced environment, we want to hear from you!

Role Overview Destinus Group seeks a BI Data Engineer to help transform scattered spreadsheets into a structured, scalable data platform. Based in Madrid, this role focuses on building and maintaining the core infrastructure that turns raw data into reliable insights for production, supply chain, and strategic decisions. The position centers on managing the Microsoft Fabric Lakehouse, which serves over 200 team members across five European sites. The BI Data Engineer will lead efforts to migrate legacy Excel-based reporting into organized, automated data pipelines. Integrating new data sources and streamlining connections with ERP systems will be key to supporting Destinus Group’s continued growth. About Destinus Group Destinus Group develops advanced Unmanned Aerial Vehicles (UAVs) for the defense sector, working with government and defense organizations worldwide. The company focuses on delivering high-speed, precise, and cost-effective solutions tailored to the demands of modern defense operations. Destinus is committed to pushing aerospace innovation forward to meet mission-critical needs. What You Will Do Oversee and maintain the Microsoft Fabric Lakehouse to ensure data is available, accurate, and performs well across all integrated domains. Automate the migration of existing Excel-based data sources into the Lakehouse using Dataflow Gen 2, reducing manual data handling. Add and integrate new data sources as reporting needs evolve, including current Excel and SharePoint files and future systems like quality management tools. Connect operational data with ERP data (Microsoft Dynamics D365 F&O) within the Lakehouse for unified reporting. Work closely with the Operations Data Specialist and BI users to align the data layer with dashboard and analytics requirements. Set up data quality checks, monitoring, and alerts to catch pipeline failures or data issues early. Document data models, pipeline logic, and transformation rules for maintainability over time.

Groupon is a dynamic marketplace that connects customers with exciting experiences and services, empowering local businesses to thrive. Having partnered with over a million merchants worldwide, we facilitate connections for 16 million customers seeking deals across diverse categories. In a world dominated by e-commerce giants, we pride ourselves on being a platform genuinely committed to the success of local businesses through performance-driven strategies.At Groupon, we are on an ambitious journey to transform our operations with a relentless focus on achieving results. Despite our global presence with thousands of employees, we uphold a culture that fosters innovation, encourages risk-taking, and celebrates success. Here, your impact can be immediate, as we operate on a scale that allows for rapid transformation. We embody a "best of both worlds" philosophy—large enough to offer robust resources, yet small enough for individuals to wield significant autonomy and make a meaningful impact.About the RoleJoin our CoreApps Platform team, the backbone of Groupon's engineering efforts responsible for the global commerce engine. Our platform manages every customer interaction and transaction on a worldwide scale. In this high-impact, senior-level Individual Contributor (IC) role, you will focus on ensuring KTLO stability at massive scale while advancing a significant platform modernization initiative through an AI-first approach.You will take ownership of mission-critical services that handle over 100,000 Requests Per Minute (RPM) and drive the transition from legacy Java/Ruby systems to a modern TypeScript/Node.js microservices architecture, utilizing cutting-edge AI coding tools to achieve unmatched speed and quality.

Yopeso brings nearly two decades of experience in software development, building both large-scale systems and tailored products. The company employs more than 300 professionals across five global locations, with a steady focus on growth, transparency, and professionalism throughout each project. Authenticity, curiosity, and ambition shape daily work at Yopeso. Teams operate with trust and integrity, maintaining open communication and a commitment to secure, reliable software. Each project emphasizes high quality and dependable performance. Collaboration plays a central role. Agile teams share knowledge and support one another, working efficiently to deliver software that aligns with the company’s core values and meets real-world needs.