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We are looking for a skilled Full Stack Developer to enhance our open-source AI chat platform. The ideal candidate will play a critical role in designing, developing, and maintaining a sophisticated conversational AI application that integrates various AI providers, while working closely with product and design teams to elevate user experience.
About the job
Join Yopeso, a leading software development company with over 20 years of experience in delivering innovative software solutions, ranging from large-scale applications to niche products. Our dynamic team of more than 300 professionals across five locations is deeply committed to cultivating an environment of growth, transparency, and professionalism.
At Yopeso, we embrace values such as authenticity, curiosity, and ambition. These principles empower us to forge robust connections within our community and with our partners, ensuring trust, integrity, and transparency in all our endeavors. We continuously challenge ourselves to develop high-quality, high-performance, and secure software solutions that meet the evolving needs of our clients.
Our collaborative and agile approach enables passionate professionals to work efficiently in teams, focusing on creating impactful products that resonate with our authentic selves.
About Yopeso
Yopeso is a well-established software development company dedicated to creating innovative solutions for diverse needs. With a strong emphasis on professional standards and a culture of collaboration, we pride ourselves on delivering high-impact software that drives success.
Join Speechify as a Software Engineer on our Platform team in Madrid! In this role, you will collaborate with a dynamic group of engineers to develop innovative software solutions that enhance our platform's capabilities. You will be responsible for writing high-quality code, debugging issues, and contributing to the overall architecture and design of the pl…
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.
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.
Join Nexthink as a Software Engineer and contribute to our innovative product platform. We are seeking a dynamic, talented individual who thrives in a fast-paced environment.
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.
Join aircall, a leading unicorn in the customer communications space, revolutionizing how businesses engage with their customers through an AI-powered platform. With over 22,000 global clients, we merge voice, SMS, WhatsApp, and AI into a unified workspace that enhances team efficiency and customer satisfaction.Our mission is simple: empower teams to achieve more by working smarter. Our innovative AI Voice Agent automates routine calls, while AI Assist streamlines post-call tasks, and AI Assist Pro provides real-time insights to optimize performance. This results in increased revenue, quicker issue resolution, and scalable teams.Headquartered in Paris, with a robust presence in North America through our Seattle office, we also have teams in Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product is beloved by customers, and our rapid growth is supported by top-tier investors and cutting-edge AI advancements across our offerings.Our Work Culture: At aircall, we prioritize customer focus, data-driven decision-making, and significant outcomes. We cherish ownership, continuous learning, and a sense of urgency. If you thrive in a collaborative and fast-paced environment where trust and impact are valued, you will fit right in.As a Software Engineer, you will play a pivotal role in designing, developing, deploying, and maintaining critical business features that enhance customer value. Your day-to-day will involve ensuring operational excellence, utilizing metrics, and adhering to best practices.Driven by quality, excellence, and agility, you will help elevate our delivery processes. Leveraging NodeJS and Typescript within our AWS-hosted environment, you will create resilient services that seamlessly integrate with essential customer tools such as CRM, Helpdesk, and E-Commerce platforms.
Join aircall, a leading AI-driven customer communication platform, as we innovate the way businesses interact with their customers. With over 22,000 companies relying on our services, we integrate voice, SMS, WhatsApp, and AI into a unified workspace designed to enhance efficiency and drive revenue.Our vision is simple yet powerful: empower teams to work smarter, not harder. With tools like our AI Voice Agent for automating routine calls and AI Assist Pro for real-time guidance, we ensure that our teams can achieve peak performance and fast resolutions.Headquartered in Paris, with a strong presence in North America and multiple offices including Madrid, London, and New York City, aircall is backed by top-tier investors and is rapidly evolving through AI innovation across various product lines.At aircall, you will be part of a dynamic and ambitious team focused on impactful results. We prioritize ownership, continuous learning, and agile practices. If you thrive in a collaborative and fast-paced environment, you will flourish here.We are seeking a dedicated and enthusiastic Senior Software Engineer to enhance our engineering department and contribute to our innovative projects.In this role, you will oversee the design, development, deployment, and maintenance of essential features that deliver significant value to our customers. You will champion operational excellence and best practices while mentoring your team and the wider engineering community.Your work will focus on elevating quality, excellence, and agility within our delivery processes. You will work primarily with NodeJS and Typescript, ensuring our solutions are effectively hosted on AWS.
Welcome to Adyen! At Adyen, we revolutionize the financial technology landscape by providing a comprehensive suite of payment, data, and financial solutions. Our esteemed clients include industry giants like Meta, Uber, H&M, and Microsoft, solidifying our position as the go-to financial technology platform. We are driven by ambition and innovation in every aspect of our work. We believe in fostering a dynamic environment where talented individuals can thrive. Our culture encourages ownership, collaboration, and problem-solving amongst diverse teams facing unique technical challenges. Together, we develop ethical and innovative solutions that empower businesses to achieve their goals efficiently. About Our Financial Products: Adyen is expanding its horizons beyond payments, creating a comprehensive range of embedded financial services tailored for platforms, marketplaces, SaaS businesses, on-demand services, and crowdfunding initiatives. Our mission is to facilitate seamless global management of payments and financial services through cutting-edge API integrations and hosted solutions. Our innovative platform enables businesses to: Execute onboarding, verification, and compliance processes across diverse markets. Manage transactions and expedite payouts and bank transfers in preferred currencies. Provide value-added services such as capital lending and the issuance of payment cards and bank accounts. Our team is dedicated to developing the technology that underpins this unified platform, focusing on various critical areas. Your Role: Develop and maintain our high-performance distributed platform. Contribute to architectural design decisions ensuring our platform's scalability. Mentor and coach junior engineers, fostering a culture of feedback and continuous improvement. Collaborate with a diverse and inclusive team. Launch quickly and iterate frequently, impacting businesses and customers from day one. Identify and enhance platform components for greater robustness and scalability. Work across teams and time zones to drive initiatives, review code, and embrace constructive feedback.
Note: Only candidates located in Spain will be considered. Visa sponsorship is not available. Lynx Financial Crime Tech S.A develops AI-driven systems to detect and predict behavioral patterns in financial transactions. The team draws on backgrounds in both finance and academia, focusing on self-learning tools that support low-latency processing for clients in banking, fintech, and commercial sectors. Their solutions work across on-premises and cloud environments. The company values vision, agility, and speed, aiming to build trust with customers and encourage proactive risk management. Lynx supports diversity and equal opportunity, welcoming people from all backgrounds. Role overview This Madrid-based Software Engineer (Python) position centers on building and maintaining an AI-powered anti-money laundering (AML) tool. The platform relies on Big Data and real-time processing to deliver self-learning solutions for the financial sector. Main responsibilities Analyze requirements and contribute to solution design. Develop and maintain a cloud application for AML detection in financial environments. Assess system performance and identify areas for speed improvements. Conduct quality assurance testing to validate new features and changes. Create and manage test cases. Diagnose and resolve software issues. Promote best practices in the use of development repositories and tools.
Full-time|On-site|Madrid, Comunidad de Madrid, Spain
Join our dynamic global team as a Software Engineer, where you will play a crucial role in ensuring the quality, development, and implementation of our innovative software products. As part of a diverse technology department, you will collaborate with talented professionals from cities like Barcelona, New York, London, Manchester, Bucharest, and India. If you're eager to contribute to a growing company and make a significant impact, we would love to hear from you!About TransPerfect – TechOps:The TransPerfect TechOps team has been instrumental in our company's success for over a decade, delivering technology and services that have greatly enhanced the experiences of our clients and colleagues. From improving workflows for team members to developing core services that underpin our GlobalLink platform, we strive to create scalable client interfaces that make complex ecosystems accessible to everyone.
Full-time|On-site|Madrid, Comunidad de Madrid, Spain
Join our innovative team as a Junior Software Engineer focused on backend development in .NET. You will play a crucial role in ensuring the quality, development, and execution of our software products.As part of our dynamic technology department, you'll collaborate with a diverse group of professionals from cities like Barcelona, New York, London, Manchester, Bucharest, and India. If you're eager to make an immediate impact in a growing company, we are excited to hear from you!About TransPerfect – TechOps:The TransPerfect TechOps team has been instrumental in our success for over a decade, delivering cutting-edge technology and services that enhance the workflow for our clients and colleagues. From optimizing our GlobalLink platform to creating user-friendly client interfaces, your contributions will help simplify complex systems for novice users.
Role Overview Vonage seeks a Java Software Engineer for its Cloud Engineering team in Madrid, Spain. This group develops and maintains the Vonage Video Platform, focusing on backend systems that support cloud communications for businesses worldwide. What You Will Do Design and implement new features for the Vonage Video Platform. Improve and maintain backend systems, with attention to quality, fault tolerance, and performance. Optimize cloud resource management to support scalable and distributed computing solutions. Work with real-time communications technologies. Use data analytics to inform service development and scalability improvements. What Sets This Team Apart Work alongside experienced engineers who specialize in cloud infrastructure, media technologies, and real-time communication. The team values hands-on problem solving and a commitment to building large-scale, highly available systems.
Join Aircall, a leading unicorn in the customer communications sector, revolutionizing how over 22,000 companies engage with their customers globally. Our innovative AI-powered platform integrates voice, SMS, WhatsApp, and AI into a single, compelling workspace, designed to drive revenue, enhance issue resolution, and empower customer-facing teams.Our success is rooted in a clear vision: enable teams to work smarter, not harder. Our AI Voice Agent automates routine calls, AI Assist simplifies post-call tasks, and AI Assist Pro provides real-time insights, allowing individuals to perform at their peak. This leads to increased revenue, quicker resolutions, and scalable teams that operate with confidence.Headquartered in Paris, with a robust North American base in Seattle, Aircall operates across dynamic cities including Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product is beloved by customers, and we are rapidly scaling, supported by top-tier investors and continuous AI enhancements across diverse product lines.At Aircall, you will be part of an evolving company that is ambitious, product-oriented, and execution-driven, where your efforts yield visible impact, swift decision-making, and genuine growth.Our Work Culture: We are deeply customer-focused, data-centric, and committed to achieving significant results. We encourage ownership, ongoing learning, and thoughtful pace. If you excel in a cooperative, fast-paced environment where trust and influence are paramount, you will thrive with us.We are seeking a motivated and passionate Senior AI Software Engineer to enhance our expanding engineering division and contribute to our engineering teams.As a Senior AI Software Engineer, your role will involve the design, development, deployment, and management of AI-driven features that provide substantial value to our customers. Your daily responsibilities will encompass maintaining operational excellence, leveraging metrics and observability, sharing best practices, and mentoring team members across the Engineering department.Quality, excellence, and agility are the bedrock of our delivery processes, and you will be a key player in enhancing these standards. Our development is based on NodeJS and Typescript back-end stacks, tailored to meet specific requirements and always hosted on AWS, creating resilient services that integrate seamlessly with our customers' critical business tools (CRM, Helpdesk, E-Commerce, etc.).
Contract|On-site|Madrid, Comunidad de Madrid, Spain
Join Yopeso, a leading software development company with over 20 years of experience in delivering innovative software solutions, ranging from large-scale applications to niche products. Our dynamic team of more than 300 professionals across five locations is deeply committed to cultivating an environment of growth, transparency, and professionalism.At Yopeso, we embrace values such as authenticity, curiosity, and ambition. These principles empower us to forge robust connections within our community and with our partners, ensuring trust, integrity, and transparency in all our endeavors. We continuously challenge ourselves to develop high-quality, high-performance, and secure software solutions that meet the evolving needs of our clients.Our collaborative and agile approach enables passionate professionals to work efficiently in teams, focusing on creating impactful products that resonate with our authentic selves.
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.
About Speechify Speechify helps people access information by listening instead of reading. Users can listen to articles, cloud documents, and books on their phones, making learning more flexible and accessible. As the top-ranked app in its category, Speechify continues to grow quickly and reshape how people consume audio information. Role Overview The Core Experiences Team builds and maintains the services and SDKs that support Speechify’s product across many platforms. As a Senior Software Engineer in Madrid, this role combines product development with infrastructure work. The position suits someone who enjoys designing reliable APIs, creating straightforward systems, and improving user experience through thoughtful engineering decisions. What You Will Do Collaborate with Product Teams to define project scopes, improve processes for faster customer feedback, and balance integration and user experience needs across teams. Deliver solutions through Speechify’s cross-platform SDK. Improve existing features for better performance, including faster load times and smarter parsing, by refining abstractions and algorithms. Build cloud functions, lightweight backend services, and jobs using Kotlin. What We Look For Strong systems thinking and a preference for simple, effective design. Ability to move quickly, generate ideas, and distinguish between immediate deliverables and projects that need more time. Focus and adaptability within a startup setting, knowing when to collaborate and when to work independently. Experience working with designers, marketers, and product managers; able to inspire and negotiate across disciplines. Location: Madrid, Spain
Join us as an intern in the Software Systems Engineering department at Bosch Group in Madrid! This is an exciting opportunity for students to gain hands-on experience in software engineering, working alongside industry professionals to develop innovative solutions.
Role Overview Speechify is looking for a Software Engineer focused on iOS Core Product to join the team in Madrid, Spain. This position centers on building and improving iOS applications that reach a broad audience. The work involves shaping the user experience and making sure each release meets a high standard of quality. What You Will Do Develop and refine features for Speechify’s iOS apps Work closely with colleagues from different disciplines to deliver new functionality Contribute to the design and implementation of updates that improve the user experience
Join Aircall, an innovative unicorn transforming customer communications through AI-powered solutions utilized by over 22,000 businesses globally. Our platform unifies voice, SMS, WhatsApp, and AI into a cohesive workspace that enhances efficiency and revenue.With a mission to empower teams to operate smarter, Aircall’s AI Voice Agent automates routine calls while AI Assist and AI Assist Pro provide streamlined processes and real-time assistance, enabling teams to achieve remarkable results.Headquartered in Paris, Aircall has a robust presence in North America with a headquarters in Seattle and teams across cities including Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our rapidly growing business is supported by leading investors and driven by continuous AI innovation across our diverse product lines.Culture at Aircall: We prioritize customer focus, data-driven decision-making, and the delivery of impactful outcomes. Our values include ownership, continuous learning, and a commitment to thoughtful execution. If you thrive in a collaborative and fast-paced environment where trust and impact are prioritized, you will find your place here.We are seeking an enthusiastic and dedicated Senior Software Engineer to contribute to our expanding Communication Platform department as part of the Number Management team. In this role, you will spearhead the design, development, deployment, and maintenance of essential features that significantly enhance customer value.You will actively promote best practices and mentor colleagues within your team and across the engineering department.Our commitment to quality, excellence, and agility is central to our delivery processes, and you will play a vital role in elevating these standards.
Full-time|On-site|Madrid, Comunidad de Madrid, Spain
About UsAt SectureLabs, we are a dedicated team of over 50 technology professionals passionate about delivering quality software, innovative products, and exceptional services to our clients. We are excited to announce the launch of a unique project that embodies the essence of Secture. For this role, we seek a talented individual eager to help develop and nurture our proprietary product. Given the early stages of this project, we prefer candidates who can work on-site in Madrid, as our offices are conveniently located near Marqués de Vadillo.If you are looking for a project or a team that values software quality, embraces best practices, and fosters a fantastic work environment, you are in the right place! Join us and become a part of a collaborative team where you can learn, have fun, and work alongside colleagues who share your passion.Discover more about us at: www.Secture.comOur Team & CultureWe come from diverse technological backgrounds, accustomed to working with agile methodologies, fostering asynchronous communication, and enjoying the freedom and flexibility they provide. This project is still in its early stage, so if you love building and want to contribute your skills to a new venture, we are looking for you! Our small yet tightly-knit team is eager to collaborate and grow our product together.At Secture, we prioritize the well-being of our team, our workplace atmosphere, and our company culture. We are searching for team members who share our values and actively seek a supportive and engaging environment.
