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    Senior Backend Engineer: FastAPI Microservices & Tools

    A global customer experience leader in Spain is seeking a Senior Back-End Software Developer to enhance their Common Tools team. This role involves building and maintaining backend service templates, developing shared microservices using Python and FastAPI, and enforcing quality standards in production. The idea ...

    Senior Backend Engineer

    Select how often (in days) to receive an alert: Select how often (in days) to receive an alert: Foundever ™ is a global leader in the customer experience (CX) industry. With 170,000 associates across the globe, we are the team behind the best experiences for +750 of the world’s leading and digit ...

    Python Backend Engineer

    En Akuaro estamos trabajando con una compañía SaaS en pleno crecimiento que está reforzando su equipo de ingeniería en Barcelona. Buscamos un perfil backend puro , con experiencia en Python , que quiera meterse en un entorno donde hay mucho por construir y donde el código que escr ...

    BACKEND PYTHON DEVELOPER

    ¿Estás preparadx para un cambio y explotar tus habilidades como nunca? Sigue leyendo porque tenemos lo que buscas… Somos una empresa internacional con más de 17 años de experiencia en consultoría e ingeniería informática. Con más de 3.000 Primers operando en 4 sector ...

    Python developer and Python Architect

    Estamos contratando: Python Developer & Python Architect (Proyecto IA | Banca) Buscamos incorporar: • 1x Python Developer • 1x Python Architect Ubicación: Madrid / España (100% remoto) Contrato: 12 meses + renovable Modalida ...

    Application Architect (Python)

    Overview We are seeking a highly skilled and experienced Application Architect with experience in Python to join our team. In this role, you will be responsible for designing and driving architectural decisions for high-tech solutions developed for a US-based client in the consulting and financ ...

    Software Architect (Java / Microservices / Cloud)

    Valencia Tiempo completo Serás responsable de definir y guiar la arquitectura de nuestras soluciones, asegurando la escalabilidad, mantenibilidad y rendimiento de los sistemas, además de acompañar a los equipos de desarrollo en la toma de decisiones técnicas. Funciones Di ...

    Hybrid Solutions Architect — Microservices & Java

    A leading tech company in Spain is seeking a Solutions Architect to join their team. This role involves designing solution architectures, working with microservices, and using tools like Java, Docker, and Kubernetes. The hybrid work model allows flexibility with work locations, fostering a collaborative environm ...

    Senior Backend Engineer (Python)

    Bark is an online services marketplace connecting customers with professionals across over 1,000 categories. Operating in nine countries including the UK, US, Australia, Canada, and New Zealand, we're transforming how people find trusted service providers for everything from home improvement to professional s ...

    Python API Backend Developer

    Somos un equipo apasionado por la tecnología que vive la transformación digital con creatividad y excelencia. Como partner líder de Microsoft en soluciones de datos, inteligencia artificial, cloud, low code y productividad , tenemos presencia en Valencia, Madrid, Tenerife y remote-first, y llev ...

    Backend Integration Architect

    As a Backend Integration Architect, you will be responsible for designing and implementing robust integration architectures using IBM API Connect. You will define API strategies, governance frameworks, and lifecycle management processes to ensure scalable, secure, and high-performing integration solutions. Wo ...

    Camunda 8 Backend Engineer | Java/Spring Microservices

    Qaracter - Beyond your Challenge seeks an experienced Camunda 8 BPM backend developer to join their team in Spain. This role involves designing, implementing, and maintaining BPMN workflows, developing backend services using Java and Spring Boot, and integrating Camunda workflows with external systems. Candidate ...

    Senior Java Backend Engineer Spring Boot & Microservices

    Epassi is seeking a Senior Software Engineer (Java) to enhance its backend engineering team. Located primarily in Spain, the ideal candidate will have 6-8 years of experience in software development, particularly in Java and Spring Boot. Responsibilities include developing scalable microservices and collaboratin ...

    Senior Backend Engineer Java/Spring Microservices (Remote)

    Auxo Talent is seeking two Senior Software Engineers for a 12-month remote contract. The role focuses on building and scaling Java/Spring Boot microservices for large-scale B2B2C platforms. Candidates must have extensive experience in software engineering, particularly in Java and Spring Boot, along with a stron ...

    Senior Backend Data Engineer Fully Remote

    OB are currently working with a high-growth Series A company building a sophisticated data platform used to monitor and generate insights across a portfolio of real-world assets. Their product sits at the intersection of backend engineering, data infrastructure, and applied machine learning, turning c ...

    Forward Deployed Engineer

    Forward Deployed Engineer (Python, AI Systems) Spain (Madrid or Barcelona preferred) | Hybrid Up to 100k + performance bonus + equity We’re supporting one of our clients (an AI-native product company) in hiring a Forward Deployed Engineer to work at the intersection of engineer ...

    Remote Technical Lead — Cloud Native Microservices Architect

    Auxo Talent is hiring a Technical Lead to drive the design and delivery of scalable, cloud-native platforms in telecommunications. This fully remote position focuses on building B2B2C systems with microservices architecture and emphasizes security and operational excellence. Candidates should have over 10 years ...

    Server Engineer Star Trek Fleet Command

    Scopely is looking for a Server Engineer to join our Star Trek Fleet Command team within our Live Games Portfolio division, based remotely in Spain. What You Will Do Implement and maintain backend systems and microservices in Python running on AWS, contributing to reliability, sc ...

    Solutions Architect (Python), Remote Spain

    Overview HBX Group is a leading B2B ecosystem player in the TravelTech space, connecting and empowering businesses in the travel industry. Our cloud-based platforms offer fast access to a portfolio of travel products and services with data and intelligence that connect supply and demand worldwide. HBX ...

    Backend Team Lead (.NET) AI Enabled Microservices Leader

    Social Discovery Group is seeking a Backend Team Lead (.NET) in Spain. The role involves leading a backend engineering team, applying microservice architecture principles, and owning code quality. Candidates should have strong experience with C# and ASP.NET Core (.NET 6+), backend expertise in high-load systems, ...

    Forward Deployed Engineer

    Forward Deployed Engineer (Python, AI Systems) Spain (Madrid or Barcelona preferred) | Hybrid Up to 100k + performance bonus + equity We’re supporting one of our clients (an AI-native product company) in hiring a Forward Deployed Engineer to work at the i ...

    Senior QA Automation Engineer

    Responsibilities Do requirements analysis, manual and automated testing Be responsible for releasing products Develop test documentation (checklist, test cases, quality reports) for manual and automation testing Understand the Test Pyramid Model and collaborate with ...

    Full Stack Developer, Remote (EU) – International organisation

    Full-Stack Developer (Next.js & Python), Remote (EU) – International organisation Profile: Developer. Minimum experience: 5 to 7 years. Studies required: Engineer. Language: English (C1) MANDATORY. Location: Remote (EU). Description: We are looking for a Full‑St ...

    Tech Lead

    We are looking for a hands‑on Backend Tech Lead to drive the technical direction of our FP&A platform and lead a team of highly skilled Python engineers. You will shape and evolve our architecture as we scale, ensuring our systems remain reliable, maintainable, and scalable. You combine strong ...

    QA Automation Engineer Backend/API Testing & Python

    A cybersecurity company in Spain is seeking a QA Automation Engineer to develop and maintain automated testing frameworks. The successful candidate will have proven experience in QA automation, strong backend testing skills, and the ability to work with high-load systems. Ideal candidates should also have experi ...

    Backend Engineer Star Trek Game Servers (Remote, Spain)

    Scopely is seeking a Server Engineer to join the Star Trek Fleet Command team based remotely in Spain. The role involves implementing and maintaining backend systems and microservices on AWS, collaborating with cross-functional teams, and ensuring backend resilience and security. Ideal candidates will have profi ...

    Senior Golang Engineer — Remote Backend Architect

    RE Partners is hiring a Senior Golang Engineer based in Spain. The ideal candidate will have 4+ years of software development experience, proficiency in Go, and strong communication skills. This role involves building backend services and enhancing team performance through mentorship. The company offers 100% rem ...

    Java Microservices Developer

    Join Plexus Tech. We are looking for a Java Programmer with experience in microservices, with at least 4 years of experience in the areas detailed below. Requirements: Springboot, Spring Data, Spring Security, WebFlux Experience with microservices, Hexagonal Architecture C ...

    Java Architect (Spring Boot/Microservices) €280 €296 Al Día Remoto

    Buscan un Arquitecto Java con experiencia en Spring Boot y microservicios para diseñar, desarrollar y mantener aplicaciones backend. ...

    AI Backend Developer

    Overview AI BACKEND DEVELOPER – MADRIDWe are looking for an AI Backend Developer with the drive and ability to be a key member of our young and versatile sports tech development team. We are a company that pioneers and develops new cutting-edge technologies – we would love for you to join our team ...

    Senior FullStack Developer

    Descripción del puesto / Funciones Buscamos un/a Senior FullStack Developer con fuerte orientación a producto y ownership técnico, capaz de liderar el desarrollo de funcionalidades end-to-end: desde la interfaz en React hasta la API en Python y la persistencia en base de datos. Trabaja ...

    Senior Node.js Backend Architect – SaaS on AWS

    A leading tech firm in Spain is looking for a Senior Backend Engineer to develop key functionalities for their SaaS platform in the hospitality sector. Responsibilities include designing and maintaining backend services, implementing APIs, and collaborating on front-end development using React. Required skills i ...

    Senior Java Backend Architect — Remote & Impactful Projects

    A digital product studio is seeking a Senior Backend Developer in Spain. The ideal candidate will have over 5 years of experience in Java, with solid knowledge of Spring Boot and a passion for software engineering. You will lead developers, work on challenging projects, and collaborate closely with design teams. ...

    Senior Backend Engineer — Architect & Scale High Growth

    A technology solutions company in Spain is looking for a Senior Back-End Engineer to design, build, and scale their core web platform. The role focuses on partnering with product teams, defining technical strategies, and contributing to hands-on development while maintaining high engineering quality. Candidates ...

    Backend AI Agent Architect (LangChain/LangGraph) Remote

    An international technology company is seeking an experienced Backend Developer with expertise in LangChain and LangGraph. The role involves designing AI Agents and optimizing backend functionalities in a fully remote environment. Ideal candidates should have a strong background in backend architecture and a pas ...

    Senior Backend Engineer (Go/Python) for Cyber Protect Cloud

    A leading cyber protection company is looking for a Senior Software Developer specializing in Go and Python to enhance their Cyber Protect Cloud solutions. The successful candidate will develop backend services, translate software requirements into high-performance code, and collaborate with various teams. Ideal ...

    Fullstack Developer (React + Python)

    Hello! If you are a talented professional eager to share your expertise and put it at the service of our clients, and you are able to adapt to change with resilience and professionalism, knowmad mood has this opportunity for you! We are a leading company in digital transforma ...

    Backend Engineer

    En JAKALA seguimos creciendo y buscamos un/a Backend Engineer para formar parte de un equipo de desarrollo en una Plataforma de IA escalable en nuestra oficina de Madrid, Barcelona, Gijón o Pamplona (o posibilidad de trabajo remoto). Estamos desarrollando una plataforma basada en arqui ...

    Lead Test Automation Architect (Python/AWS) – AI Driven QA

    A leading technology firm in Spain is looking for a Principal Test Automation Engineer to lead automation strategy for their complex POS platform. In this role, you will manage a senior AQA team and implement robust automation solutions using Python, Playwright, and AWS. The ideal candidate has 7+ years in test ...

    AI Architect

    We are looking for an exceptional AI Architect to design, build, and optimize AI-driven applications on the Azure platform. This role emphasizes strong engineering expertise, creative problem-solving, and the ability to work with cutting‑edge technologies to deliver high‑impact solutions. The i ...

    AI Backend Engineer

    Remoto España, España | Publicado el 11/03/2026 ¿Eres el Arquitecto de IA que definirá la próxima generación de Sistemas de Misión Crítica? En Initium Software , no nos conformamos con implementar modelos; construimos el puente entre la innovación disruptiva y el impacto real en el merc ...

    Java Developer (Spring Boot, Microservices)

    About Us: UST is a U.S.-based multinational company, recognized as a Top Employer and Great Place to Work, with over 35,000 employees worldwide and operations in more than 35 countries. We are leaders in digital technology services, delivering large-scale technological solutions to major global ...

    Engineering Manager Streaming & Microservices Leadership

    A global technology company is seeking an Engineering Manager to lead the Engineering teams in Spain. This role requires strong technical and leadership skills, a deep understanding of the software development lifecycle, and a hands-on approach to mentorship. The successful candidate will ensure team growth thro ...

    Python Developer

    We are seeking a talented and experienced Python Developer to join our team. You will be working in a direction that is primarily focused on high‑tech developments for a US client in the consulting and financial domains. All projects are aimed at optimizing business processes, ensuring maximum efficiency, and ...

    Lead Performance Tester (SDET)

    What You Will Do Define and lead the performance engineering strategy across high-availability, cloud-native telecom platforms. Lead, train, and coordinate a distributed guild of SDETs across multiple feature teams, guiding them to build, maintain, and execute performance scripts (k6) wit ...

    Senior Software Engineer

    This isn't a typical backend role. You'll design and own distributed systems end-to-end in a team where AI is already embedded in how engineers think, build, and ship. What you'll be doing This role suits engineers operating at senior to staff level, comfortable owning systems, making architec ...

    AI Engineer EU Remote up to €130k

    AI Engineer – up to €130k + bonus – Fully Remote OB are currently working with a high-growth Series A company building a sophisticated data platform used to monitor and generate insights across a portfolio of real-world assets. They’re looking for an AI Engineer to build and ship produ ...

    Senior Software Engineer (Python/React) ES + 5 more

    ## Senior Software Engineer (Python/React)Spain -Remote**Architect the Future of Logistics: Senior Full Stack Software Engineer!**Trimble is a leading provider of technology solutions that connect the physical and digital worlds. Transporeon, part of Trimble's Transportation & Logistics division, operates one of ...

    AI Backend Annotator & Evaluator

    A consulting firm in Spain is seeking a Backend Engineer Annotator who will support the development and evaluation of AI through annotating backend code and engineering datasets. The ideal candidate has a Bachelor's in Computer Science and experience with microservices, REST APIs, and cloud platforms. Key respon ...

    Senior Java & Microservices Engineer — Hybrid Prague

    Tenth Revolution Group is seeking Mid, Senior, and Principal Java Developers for a permanent role in Spain. The position offers hybrid work and opportunities to work on long-lasting projects with self-development possibilities. Candidates need to have at least 6 years of Java experience, knowledge of Spring, and ...

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