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    Senior QA Engineer — AI‑First SaaS (Remote)

    A leading AI startup is seeking a Senior QA to build the QA function from the ground up. This role involves establishing practices for an AI-first SaaS platform, ensuring reliability at scale, and championing user empathy throughout the process. With a remote-first culture and a high-performing team, this positi ...

    Backend AI Tooling Engineer – .NET & Integrations (Remote)

    A leading language services provider is seeking a Full Stack Engineer to join their Core Platform Team in Spain. You will be responsible for designing and building backend services and APIs that enable AI agents to solve real business problems. The ideal candidate should have strong skills in .NET technologies, ...

    Senior Backend Engineer – AI Labs, APIs & Cloud

    Insud Pharma is seeking a Senior Backend Developer who will design, build, and scale robust backend systems to support AI-driven products in various domains. The ideal candidate should be fluent in both Spanish and English and have strong experience in Python, along with expertise in REST APIs and scalable ar ...

    Enterprise Value Engineer for AI Automation ROI

    A technology firm specializing in enterprise AI is seeking a Value Engineer to build business cases and quantify the impact of their platform on customer operations. You will engage with C-suite executives to clarify the value delivered through automation, leading structured workshops and creating compelling fin ...

    Junior Backend Engineer – Remote (Fraud Detection AI)

    Una empresa de software de IA busca un Backend Developer para trabajar en el desarrollo de su aplicación de detección de fraude en medios de pago. Esta posición es completamente remota y requiere que los candidatos residan en España. Las responsabilidades incluyen el diseño y desarrollo de módulos de la aplicaci ...

    Remote NestJS Backend Engineer TypeScript & AI ready

    Kubide, ubicada en España, está buscando un Backend Developer para unirse a su equipo. La empresa se especializa en desarrollo web y ofrece un ambiente de trabajo altamente colaborativo. Se requiere un perfil con 2-3 años de experiencia en desarrollo backend, así como conocimientos en TypeScript y NestJS. </p ...

    Senior AI Search Performance Engineer — Remote Flexible

    Cohere is looking for a talented individual to join their Compass team to optimize and scale search applications. Your work will directly enhance document understanding capabilities and significantly improve user experiences with AI-powered search. Ideal candidates will have proficiency in Python, back ...

    Senior Full Stack Engineer — AI‑Driven, Remote

    Join Jimdo as a Senior Full-Stack Engineer, where you’ll design and build scalable APIs and services while collaborating closely with cross-functional teams. With over 6 years of software engineering experience, you will work in a remote-first environment to help empower solopreneurs and small businesses inte ...

    Remote Senior Industrial Engineer, AI Process Optimization

    A leading foundational AI lab is seeking Senior and Principal Industrial Engineers for a flexible part-time role remotely from Spain. Candidates should have over 5 years of experience in top manufacturing firms and expertise in process optimization and lean methodologies. Tasks include refining AI-generated work ...

    Senior Platform Engineer — Remote Azure AI Infra

    Una empresa de consultoría tecnológica busca un Ingeniero de Plataforma Senior para diseñar y gestionar la infraestructura en la nube de una plataforma de IA empresarial. Se requiere al menos 6 años de experiencia, con sólida formación en Microsoft Azure y Python. La posición es 100% remota, ofreciendo un ambien ...

    Edge AI Inference Engineer — Low Latency Serving

    Tether Operations Limited is looking for an expert AI model team member to drive innovation in model serving and inference architectures. The role emphasizes optimizing deployment and inference strategies for high performance across real-world applications. Ideal candidates will hold a degree in Comput ...

    Remote QA Engineer — AI‑Driven Testing & Growth

    A leading SaaS platform provider in Spain is seeking a skilled QA Engineer to enhance software quality across their products. You will define and execute test plans, perform manual and automated testing, and collaborate with cross-functional teams to ensure exceptional product standards. The ideal candidate has ...

    Senior AI Driven Full Stack Engineer (Next.js)

    Leadtech is seeking a proactive Full-Stack Developer to join our Development team in Spain. You will play a key role in building and scaling our platforms while integrating various AI technologies. The ideal candidate should have extensive experience in Javascript/Typescript, RESTful APIs, and working within ...

    AI Driven Solutions Engineer for CX Automation

    A leading customer experience technology firm in Spain is seeking a Solutions Engineer to conduct research, carry out customer conversations, and design impactful presentations. The ideal candidate will possess over 5 years of experience in software or telecommunications and be bilingual in French. This role emp ...

    Data Engineer Python Pyspark Sql Up To €120.000 A Year

    Data Engineer needed to transition the data platform to Azure and manage 3rd party data ingestion. ...

    Deep Learning Engineer: LLMs, Copilots (Madrid)

    Alfa AI in Spain is seeking a Deep Learning Engineer to join their Data Science team. Responsibilities Build AI-driven features such as personal assistants and chatbots that significantly improve customer interactions and experiences. Collaborate with Product Owners and Softwa ...

    Remote Senior Full Stack Engineer AI SaaS MVP Builder

    Docusketch is seeking a founding engineer to design and build the MVP for Sira, an AI Agent Performance Platform. The ideal candidate has more than 5 years of software engineering experience, specifically in AI, and a strong background in full-stack development. The role involves creating dashboards, d ...

    AI & Data Platform Engineer — Hybrid, Global Impact

    Hewlett Packard Enterprise in Barcelona is seeking a highly capable engineer for data and AI foundations in intelligent products. The role involves building scalable data pipelines and software components, optimizing datasets for analytics, and contributing to ML and AI solutions while ensuring system reliabilit ...

    Ingeniero IA para Automatización de Contenido (Azure)

    ALTEN busca un AI Engineer‑E2E Content Manager en Las Palmas de Gran Canaria. Este profesional diseñará y desarrollará soluciones de inteligencia artificial para optimizar el ciclo de vida del contenido en un proyecto innovador del sector farmacéutico. Se requieren más de 4 años de experiencia en desar ...

    Staff Software Engineer Simulation Web Apps (f/m)

    Overview We Are: At Synopsys, we drive the innovations that shape the way we live and connect. Our technology is central to the Era of Pervasive Intelligence, from self-driving cars to learning machines. We lead in chip design, verification, and IP integration, empowering the creation of high-perf ...

    R&D Software Engineer Modern C++ / Instrument Infrastructure

    Responsibilities Join an elite team of innovators driving cutting-edge technology in our instrument infrastructure group! As a critical component of Keysight Laboratories, our team develops groundbreaking instrument infrastructure that powers Keysight's global development ecosystem. You w ...

    Backend Software Engineer – Java/Spring or .NET (Remote)

    UST, a multinational leader in digital technology services, is seeking a Backend Software Developer in Madrid, Spain. This role involves designing and maintaining backend services using Java (Spring Boot) or .NET Core, implementing RESTful APIs, and ensuring code quality. Candidates should have experience in ent ...

    Staff Software Engineer Simulation Web Apps (f/m)

    We Are At Synopsys, we drive the innovations that shape the way we live and connect. Our technology is central to the Era of Pervasive Intelligence, from self-driving cars to learning machines. We lead in chip design, verification, and IP integration, empowering the creation of high-performance s ...

    R&D Software Engineer Modern C++ / Instrument Infrastructure

    Overview Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world-class solutions in communications, 5G, automotive, energy, quantum ...

    Full Software Engineer (x/f/m) International Expansion

    Overview Alan is building a vertically integrated health partner that unites insurance and smart healthcare delivery into one seamless system. Our vision is to make prevention the new norm of care for all. We partner with tens of thousands of companies across France, Spain, Belgium, and Canada, s ...

    System Software Engineer Global Projects, C#.NET & Travel

    A leading logistics technology firm in Barcelona is seeking a System Software Engineer. This role involves preparing customer analysis for software solutions, developing customer-specific projects, and supporting project management. A bachelor's degree in engineering or computer science is required, along with s ...

    Software Engineer Specialist: End to End & Tech Ownership

    ISDIN, located in Barcelona, is seeking a Software Engineer Specialist to lead the development of robust applications. The ideal candidate will join a purpose-driven company focused on positive community impact. This role requires technical ownership and a proactive mindset to ensure high code quality ...

    Senior Software Engineer Frontend Angular (m/f/d)

    Senior Software Engineer Frontend Angular (m/f/d) REQUISITION ID: 11996 LOCATION: Sarriguren, ES, 31621 YOUR TASKS Development and further enhancement of our IIoT‑based SCADA solution with a focus on Angular. Conducting code reviews and supporting team kn ...

    Senior Software Engineer Frontend Angular (m/f/d)

    Your Tasks Development and further enhancement of our IIoT-based SCADA solution with a focus on Angular. Conducting code reviews and supporting team knowledge sharing. Ensuring software quality through unit, integration, and end‑to‑end testing. Supporting CI/CD ...

    Java Software Engineer – Hybrid Madrid with Actico Rules

    UST is seeking an experienced Java developer to join their team in Madrid. This hybrid position requires a strong background in Java technologies and system engineering, focusing on developing and maintaining IT services. The ideal candidate will work collaboratively on enterprise-level solutions and m ...

    Net Software Engineer (full remote Spain) (San Sebastián)

    Responsibilities Design, develop, and implement new features and functionalities for a banking platform using .NET Core Write clean, scalable, testable and well-documented code Collaborate with other teams, team members and product owners to find the best possible solution f ...

    Senior .NET/C# Software Engineer — Build Scalable APIs

    TransPerfect is seeking a Software Engineer based in Madrid, Spain. As part of the TechOps team, you will engage in all phases of application development with a focus on coding and debugging in compliance with security standards. Ideal candidates will have a Bachelor's or Master's degree, 3+ years of software de ...

    Senior Software Engineer Application Core Services | Spain | Remote

    Overview Grafana Labs is a remote-first, open-source powerhouse. There are more than 20M users of Grafana, the open source visualization tool, around the globe, monitoring everything from beehives to climate change in the Alps. The instantly recognizable dashboards have been spotted everywhere fr ...

    Junior Software Engineer Ship to Production & Grow Fast

    A community-driven sports company in Barcelona is seeking a Junior Software Engineer. This role involves shipping clean, maintainable, and efficient code, collaborating with team members, and participating in debugging tasks under mentorship. Ideal candidates are curious and have 1-2 years of experience with a f ...

    Senior Software Engineer Real Time Data & Open Source

    A leading data technology company in Madrid is looking for motivated Software Engineers to join their dynamic development teams. You will solve data engineering challenges, work on both open-source and proprietary products, and mentor junior developers. Candidates should have a strong background in Java and be p ...

    Avionics Real Time Software Engineer (DO 178B/C)

    Airbus Defence and Space is seeking an Avionic Software Engineer in Getafe, Spain. The role involves software development across the full lifecycle for avionics systems used in platforms like A400M and MRTT. The ideal candidate will join an experienced team, valuing technical knowledge and innovation i ...

    AIML Software Engineer: Architect Global ML & LLM Systems

    As a member of our dynamic and fast-paced group, you'll play a key role in crafting and bringing to life innovative solutions that delight millions of customers across the globe. You will lead work streams to design and implement large-scale ML solutions integrating the latest state of the art research in ...

    Software Engineer – CAD/CAM (C/C++, Java) | Hybrid

    Lantek busca un desarrollador de software en Bilbao. Te unirás a un equipo dinámico para participar en análisis y desarrollo de software CAD/CAM, trabajando en proyectos innovadores en un entorno híbrido. Para este puesto, se requiere formación en Ingeniería Informática o similar, junto con experiencia ...

    R&D Software Engineer (Remote) .NET, Azure & Microservices

    Aldia is seeking an R&D Software Engineer to join their team remotely in Spain. The successful candidate will work on developing cross-product components using .NET, MSSQL, and various cloud technologies. You will engage in innovative software development while collaborating with engineers and supporting prod ...

    Senior Software Development Engineer (C++ | WebAssembly | 3D Tech)

    Job Description Software Development Engineer will be part of a global team supporting software for Spark Aligners. The role supports complex software solutions for aligners (invisible braces) that manage the process from order, design to manufacturing. This position is based in Madrid and follows ...

    Embedded Real Time Avionics Software Engineer (ADA/SPARK)

    Airbus Defence and Space in Getafe is seeking an experienced Eurofighter Avionics Software Engineer to develop and maintain critical software for the Eurofighter Typhoon system. This role requires a background in embedded and real-time software development with knowledge of avionics systems. You will w ...

    Senior Software Engineer Web & Multi Tier Apps Lead

    TheWhiteam in Bilbao, Spain, is seeking an experienced software developer with a strong background in application development and maintenance, as well as multi-tier application design. The ideal candidate will have at least 10 years of relevant education or experience, with a minimum of 7 years in an IT profe ...

    Senior Software Engineer, Windows/Desktop Applications Córdoba, Argentina

    Mission The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read mor ...

    Software Engineer Big Data – AWS · Spark (O Chazo)

    Softtek es un socio global de ingeniería de software que impulsa el progreso de las compañías. Desde hace más de 40 años, hemos ayudado a nuestros clientes a desarrollar, implementar y gestionar tecnología que mejora la vida de las personas. Con presencia en más de 20 países y más de 16,000 softteki ...

    Software Engineer Big Data – Aws · Spark Cequeliños Arbo

    En España, te ofrecemos la oportunidad de unirte a nuestra comunidad en ubicaciones como Albacete, Asturias, Ávila, Barcelona, Córdoba, Coruña, Madrid, Narón, Segovia o Zaragoza, donde podrás desarrollar tu carrera dentro de un modelo híbrido y versátil. ¿Te gustaría formar parte de proyectos con gran ...

    Full Stack Software Engineer | Inglés | Híbrido Madrid Centro

    Sobre nosotros Somos knowmad mood, una compañía líder en transformación digital, en constante evolución y a la vanguardia de la tecnología. Nacimos para provocar un cambio real a través de la innovación y el desarrollo sostenible, con la misión de aportar valor a los clientes e impulsar nuestro talento ...

    IoT Embedded Software Engineer C/C++ on Linux

    ALTEN Delivery Centre Spain is looking for an Embedded Software Engineer with expertise in C/C++ to join their team in Castro-Urdiales. You will be working on an exciting IoT project that involves replacing a legacy file-transfer solution with a modern, secure system for connected machines. The role in ...

    Java & Angular Software Engineer — Space Tech, Flexible Hours

    Exceltic busca incorporar un/a Desarrollador/a Software Java + Angular en Málaga para participar en un proyecto estratégico del sector espacial. Este rol incluye el desarrollo de soluciones software y la colaboración en la implementación de sistemas de comunicación. Buscamos profesionales apasionados p ...

    Senior Software Engineer (and AWS Architect) valència (Valencia)

    Residency in Spain required. We are looking for an experienced Software Engineer to support the scalability and long-term evolution of our platform. The role will focus on backend systems, infrastructure, integrations, scalability, operational reliability, and engineering best practices withi ...

    Remote Software Engineer (C/Go) — Big Data Analytics

    Q-Tech busca un/a Software Engineer para un proyecto internacional en Big Data y analítica avanzada. La posición implica desarrollar servicios en C y Go dentro de una plataforma distribuida y participar en todas las etapas del ciclo de vida del software. El candidato ideal tiene experiencia en programa ...

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