Staff Engineer at Aircall | 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 TransPerfect, a dynamic company with a start-up culture, where creative and entrepreneurial individuals thrive. We are currently seeking a Junior Frontend Engineer to become part of our global team, contributing to the quality, development, and execution of innovative software products. If you are eager to make a significant impact in a growing company, we would love to hear from you!About TransPerfect – TechOps:The TechOps team at TransPerfect has played a crucial role in our success since its inception over a decade ago. We deliver cutting-edge technology and services that have significantly enhanced the workflows of our clients and colleagues alike. From improving internal processes to powering the core services of our GlobalLink platform, we create scalable client interfaces that enable users to navigate complex systems with ease.

At Pleo, we are revolutionizing spend management, transforming tedious processes into seamless solutions that empower both finance teams and employees. Our mission is to enable businesses to 'go beyond' in managing their finances effectively.With a decade of innovation under our belt, we embody the essence of our name, which means 'more than you'd expect.' Every decision we make impacts our 40,000+ customers and fuels our growth. We seek individuals who are passionate about understanding customer needs, simplifying complex problems, and challenging the status quo with respect. Join our diverse and ambitious team of over 850 professionals from more than 100 nationalities, united in our goal to redefine business spending.About the RoleWe are on the lookout for a Senior Frontend Engineer to join our Accounting Experience (AX) team. In this pivotal role, you will be instrumental in crafting reliable and high-quality accounting experiences, ensuring the accuracy and usability of our exporting, reporting, and accounting setup flows. If you thrive on managing complex user journeys from start to finish, collaborating closely with product and backend teams, and elevating quality standards in a critical domain, we want to hear from you.What You’ll Be DoingAs a Senior Frontend Engineer, your responsibilities will include:Overseeing the end-to-end delivery of frontend tasks in finance-critical processes such as reporting, exports, and accounting setup, from initial discovery through to release and follow-up.Leading frontend architectural decisions for complex stateful experiences, including asynchronous job flows, progress tracking, and error handling.Collaborating with backend engineers to establish clear contracts that enhance UI resilience and supportability in production.Enhancing quality through pragmatic testing practices, predictable state management, and maintaining strong pull request hygiene to minimize regressions and rework.Working closely with product managers, designers, and domain experts to validate edge cases and semantics early in the development process.Mentoring fellow engineers by sharing best practices, providing contextual code reviews, and facilitating a culture where the “right way” becomes the easiest path forward.

Join our dynamic team at Aircall as a Senior Frontend Engineer in our Madrid office! We are searching for a talented engineer who is passionate about building high-quality, scalable web applications. In this role, you will collaborate with cross-functional teams to deliver exceptional user experiences and contribute to our innovative product development efforts.

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

TransPerfect, a leading provider in language and technology solutions, is looking for imaginative and entrepreneurial individuals to join our dynamic team. We are seeking a Frontend Engineer who will play a pivotal role in the quality, development, and execution of our innovative software products. If you're ready to contribute to a rapidly growing company and make a significant impact, we want to connect with you!Join the TransPerfect TechOps Team:For over a decade, the TransPerfect TechOps team has been integral to our success, providing technology and services that have significantly enhanced the efficiency of our clients and colleagues. From streamlining workflows to developing essential services for our GlobalLink platform, we create scalable client interfaces that empower users to navigate complex systems with ease.

Fever is a global technology platform based in Madrid, focused on making culture and live entertainment more accessible. Each month, the platform reaches over 300 million people in more than 55 countries, helping them discover memorable events and experiences. Fever partners with organizations like Netflix, F.C. Barcelona, and Primavera Sound, and is supported by leading international investors. Role Overview The Staff Product Engineer role at Fever is broad and hands-on. Projects often span multiple frameworks and technical specialties. Most work involves Python-based services and APIs, relational and real-time databases, data warehouses, and SQL. The team also manages event-driven or distributed systems, cloud infrastructure, containers, CI/CD pipelines, and observability tools. Some projects may include AI APIs, LLM-based workflows, retrieval patterns, and automation tools. Preferred Experience Building or maintaining internal platforms, operational tools, or backend systems with a product focus Working with Python frameworks such as Django, Flask, or FastAPI Using PostgreSQL, Snowflake, Tinybird, Redis, and developing SQL-heavy applications Designing or operating event-driven architectures or messaging systems (Kafka, RabbitMQ) Experience with AWS, Docker, Kubernetes, Terraform, or similar infrastructure stacks Implementing observability and monitoring solutions Exposure to AI-driven product development, LLM integrations, retrieval-augmented generation (RAG), or workflow automation Leading new initiatives or working in areas with undefined problems Taking ownership of complex projects that deliver significant impact Success Indicators This position is based in Madrid.

Welcome to Adyen At Adyen, we are a leading financial technology platform that integrates payments, data, and financial products into a single solution for renowned clients such as Meta, Uber, H&M, and Microsoft. Our mission is to create an innovative environment where our teams can thrive and push the boundaries of technology to achieve ambitious outcomes. We believe in empowering our people to take charge of their careers, offering a culture that facilitates growth, collaboration, and the tackling of unique technical challenges. Together, we craft ethical and innovative solutions that enable businesses to reach their goals more efficiently. Adyen’s Financial Products Our team is expanding our data-driven capabilities to operate seamlessly on a global scale, enabling businesses worldwide to accept payments, issue cards, and embed financial products with ease. We are dedicated to enhancing our reliability as we scale our operations, as highlighted in our Black Friday processing data report. We are looking for a dedicated Staff Engineer with extensive experience in Java Software Engineering and a proven track record in technical system design. In this pivotal role, you will be instrumental in architecting, developing, and scaling systems that address real business challenges. You are a motivated individual with a strong curiosity for new technologies, a desire to learn, and a passion for leveraging technology as a practical tool to deliver significant business value. Your knack for solving complex problems will thrive in our innovative, continuously learning, and collaborative environment. Key Responsibilities Design and develop robust, scalable software systems to enhance production environments and platform models. Work closely with Product, Data Scientists, and business stakeholders to identify business challenges and translate them into effective technical solutions. Assess new technologies, frameworks, and tools, advocating for their adoption to address real-world business issues. Provide mentorship and guidance to junior engineers and peers through technical leadership and knowledge sharing.

About the Role airapps is hiring a Frontend Web Developer in Madrid. This role focuses on building responsive, user-friendly web applications. The team values creativity and practical problem-solving. What You Will Do Work closely with designers and backend developers to deliver seamless web experiences Create and maintain modern, responsive interfaces Contribute ideas to improve usability and performance

About the Role Neoris is looking for a Frontend Developer in Madrid with strong skills in React, Vue, or Angular. This role focuses on building and improving user interfaces for a range of projects. The team values practical solutions and clear communication. What You Will Do Develop and maintain web applications using modern JavaScript frameworks (React, Vue, or Angular) Work closely with colleagues to design features that improve user experience Apply expertise in Continuous Integration and Continuous Deployment (CI/CD) to streamline releases and keep code quality high Location This position is based in Madrid, Spain.

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.