Empleos de senior java fullstack engineer for api en Madrid

A leading technology solutions company in Spain is seeking a Senior Distributed Systems Engineer to design and implement distributed components for large-scale data processing. The ideal candidate will have 5+ years in IT, with 3+ years focused on distributed systems using Java or Scala. Offering remote work, excellent compensation, and a supportive...

We are looking for a Senior Quality Engineer to join our team in evolving Frontiers' Publishing Platform.We are currently running an organization-wide project to rebuild our Publishing Platform, introducing a manuscript-first architecture and embedding AI agents to streamline editorial workflows. This transformation includes a redesign of the user experience...

Are you a forward-thinking professional with a strong background in Data Engineering and an interest in financial services? Join as aSenior Data Engineerand help build and evolve enterprise data ecosystems for customers. Design scalable data pipelines, ensure high-quality data flows and integrate complex APIs while collaborating with cross-functional teams...

We are looking for an experienced Java Software Engineer to join our Platform team and help develop an award-winning REST API for our Unified Communications service.In the Platform team, we build high-load infrastructure subsystems that address cross-cutting concerns in a geo-distributed environment, including API and WebSocket Gateways, distributed caches,...

About Ultralytics: At Ultralytics, we commit to relentless innovation in the AI space and seek team members who resonate with our ambition to produce the world's best YOLO AI models. If you're obsessed with AI, eager to make an impact on the world, and thrive in dynamic, high-intensity environments, we invite you to apply for a position on our team.Where and...

A leading consulting firm is looking for a Senior Software Engineer in Málaga, Spain. The role involves supporting, testing, and maintaining bank's trade finance applications. Candidates should have 3-5 years of experience in software projects and strong skills in Java, Python, and microservices. The position is hybrid with a good range of benefits...

Manychat is hiring a Senior Python Engineer to design and evolve a Python-based platform layer that integrates with the core system. You will build scalable async services for high-load workflows and own API contracts between systems, ensuring stability and clear boundaries.This role emphasizes system-level thinking, distributed architecture trade-offs, and...

UST España & Latam is seeking a Senior Software Engineer with Java and Kubernetes to design, build, and operate cloud-native applications in a collaborative Agile/DevOps setting.You will deploy in Kubernetes, ensure API-driven services, and contribute to CI/CD and automated testing. The role requires solid Java/Spring Boot experience and English...

Quik Hire Staffing is seeking a Senior Backend Engineer (Node.js, AWS) for a fully remote, full-time role. You will design, develop, and maintain scalable backend services for a high-traffic platform, collaborating with cross-functional teams to deliver low-latency solutions in a cloud-native environment. You will design and deploy Node.js microservices...

Intellia is seeking a Senior Python Backend Engineer to design and build scalable backend services for agent-to-agent communication on AWS AgentCore platforms. You will work on Python-based backends, API integration, and asynchronous event-driven patterns to enable robust multi-agent interactions. The role emphasizes API design, registration and discovery...

At Xoople, we're building the Earth's data infrastructure layer for AI. Our mission is to enable AI to understand and predict physical changes on the world's surface by creating Earth’s System of Record™—a trusted, enterprise-grade data foundation that connects the physical world to digital systems.By transforming vast amounts of Earth observation data...

Playtomic is seeking a Senior Backend Engineer for the Payments team. You will develop robust payments solutions, maintain APIs, and work with third-party gateways to ensure secure, scalable transactions. A strong focus on performance and code quality is required.You will collaborate with cross-functional teams, drive API design, and help shape payment...

Senior Sailpoint ISC EngineerAs a Senior Sailpoint ISC Engineer you will support the evolution of our Identity & Access Management governance platform with a strong focus on implementation, integration and continuous improvement of Sailpoint ISC capabilities. The role will primarily involve application integrations, complex troubleshooting and end‑to‑end...

At Parser, we are seeking a Senior Backend Engineer with strong MLOps expertise to join the Machine Learning Engineering team of a global leader in the travel industry. In this role, you will help design, build, and maintain the infrastructure that powers our ML solutions—managing data pipelines, streamlining model deployment, and optimizing compute...

Topi is seeking a Senior Fullstack Engineer in Madrid with deep expertise in Go to join a diverse, product-minded team. You will own architecture from the database to the browser, primarily focusing on the Go backend and APIs while contributing to React/TypeScript frontend when a feature requires it.You will collaborate closely with Product and Design to...

OverviewCapitole Engineering keeps growing, and we want to do it with you! We are looking for aSenior Fire Protection and Fire & Gas (F&G) Engineerwith solid experience in offshore projects to lead the development, design, and implementation of fire protection and gas detection systems for industrial facilities and buildings. Development of engineering...

We are looking for a Senior Python Backend Engineer to increase the bandwidth on key backend and data-related projects as we modernize our platform within a fast-growing Fintech environment. This role is highly impactful: you will contribute evolving existing Python applications, help migrate legacy SQL Server processes to a modern Databricks-based...

About FinomFinom is a European tech startup headquartered in Amsterdam, and we’re on a journey towards revolutionizing the financial landscape for entrepreneurs worldwide. Our mission is to develop an all-in-one financial B2B solution that integrates banking functions, accounting, financial management, and invoicing into a seamless, mobile-first...

Sateliot is a Barcelona-based satellite company with one goal: connect everything, everywhere. Founded in 2018, we've built the first satellite constellation that lets standard commercial devices communicate directly from space. Our technology bridges the gaps that terrestrial networks will never reach, bringing affordable and secure connectivity to...

IFS in Madrid, MD, ES is seeking a Senior Software Engineer, AI Agents to build the AI-driven backend powering enterprise workflows on site in Madrid. You will develop the session and memory model, retrieval, and agentic flows for multi-step work. You will implement multi-tenant SaaS capabilities, ensure secure integration with API gateways, and optimize for...