3,275 ofertas de qa engineer freelance en toda España.

... and customers to deliver data products in a collaborative and agile environment. Education & Experience: - Bachelor's or master's degree in computer science, Engineering, Bioinformatics, or related field . - 5+ years of experience in data engineering. Firm. - Prefer prior experience working with regulated healthcare data ...

Mozilla Corporation is seeking a Senior Software Engineer to advance Firefox security. You will design, implement, and ship security features for enterprise users, contribute to Firefox security architecture across multiple OS, and collaborate with cross-functional teams. You’ll bring 3+ years in low-level software, strong ...

Preply is seeking a Senior ML Platform Engineer to advance our Agentic AI runtime. You’ll build production-grade infrastructure for durable, stateful agents, tackling long-running distributed workflows with tool calls, context, and memory. This hands-on role shapes platform abstractions, APIs, and operational standards ...

The Senior Nuclear Radiation Shielding Engineer to support the design, analysis, and licensing of the SMR-300, an integral pressurized water reactor small modular reactor. The selected candidate will join an established and growing radiation protection and analysis team supporting SMR-300 development activities, including ...

... patient health and safety. Visit us at and follow us on LinkedIn: Job Description Our F500Medical Device client has an exciting opportunity for a Systems Test Engineer. Job Summary: Develops software systems, applications,firmware, and/or provides software systems testing and validation in support ofR&D and/or Manufacturing ...

... Infrastructure Services! At Excis, we deliver world-class IT support solutions to enterprise clients across the globe. With operations in 190+ countries , 6,000+ engineers , and 200+ enterprise clients , we are committed to innovation, collaboration, and exceptional customer service. We're looking for a Field Service Engineer ...

Airbus Defence and Space SAU is seeking a Junior Microwave Instrument DSP Engineer in Getafe (Madrid). You will work within the Microwave Instrument Engineering Team on digital architecture, signal-processing pipelines, and data-flow algorithms turning raw microwave radiometer measurements into calibrated satellite data. ...

Airbus Defence and Space Getafe in Madrid invites applications for a Junior RF Microwave Radiometer Engineer. You will translate mission requirements into RF budgets, develop RF front-end models, and prototype lab-ready solutions. You will collaborate with cross-functional teams to meet space flight margins and verification ...

... experienced engineers, you will help build, test, validate, and improve computer vision-enabled product functionality. This role is ideal for an early-career engineer with a strong interest in software engineering, computer vision, AI-based perception, and practical product development in an industrial environment. Your responsibilities ...

... is also space for that: supporting other ERNIans while still focusing on the technical excellence that sets us apart. What you will bring - Strong software engineering experience delivering production-ready solutions across backend, frontend, data and operations. - Hands-on knowledge of Python, APIs, LLM integrations, AI ...

... unimaginable with us. Your Role Data and AI are reshaping the way global organizations operate, and this role sits at the heart of that transformation. As a Software Engineer within our Enabling Functions Data Office, you will design and deliver high-impact data and AI solutions that power smarter ways of working across the organization. ...

Iberdrola busca un AI Software Engineer para impulsar su Transformación Digital con IA generativa. Desarrollarás soluciones end-to-end, trabajando en datos, desarrollo, integración y puesta en producción. Se valoran dominio de Python/Java, FastAPI o Spring, conocimientos DevOps y cloud-native, y capacidad de diseñar arquitecturas ...

Trebellar, Inc. is seeking a Senior Software Engineer to own substantial areas of our platform, including data ingestion, AI-driven flows, and robust API design. You will contribute across the stack, from database to browser, and help shape features for enterprise real estate customers. You will work closely with product ...

... will automate execution through CI/CD pipelines, analyze metrics and bottlenecks using observability platforms, contribute to testing strategy, mentor another engineer and continuously improve the performance testing ecosystem. What if the project ends? We work on a wide variety of projects, technologies, and sectors, allowing ...

... clinical data management lies a critical challenge: turning complex, evolving business needs into precise, actionable system requirements. As a Requirements Engineer for Clinical Trial Systems, you will play a pivotal role in shaping the quality and integrity of a global Operational Data Repository programme — directly enabling ...

... (SFC), Static Compensators (STATCOMs), etc., from sales and tendering phase to project execution, including occasional customer and site visits - Own the system engineering scope throughout project execution, in close collaboration with Sales, other Engineering departments, Project Management, and Service - Perform system design ...

... next‑generation products powered by Generative AI, autonomous agents, cloud technologies, and large‑scale data platforms. This role combines hands‑on software engineering with technical leadership, mentoring junior developers and helping define the evolution of our architecture and engineering practices. Responsibilities - ...

... with HistoSonics), ultrasound-based training simulators, and the co-development of medical devices with industry partners. We are looking for a Biomedical Engineer to join the team and contribute to the technical development of these projects, working closely with clinicians, researchers and external collaborators. Main ...

HITACHI ENERGY SPAIN, S.A.U. is seeking a senior AI prompt engineer in Madrid to develop, test and optimize prompts for LLM-based applications across HV use cases. You will translate complex HV product knowledge into structured prompts and AI workflows, designing multi-step prompting strategies to ensure accuracy and context ...

Integrated Logistic Support Engineer (ILS) ONB Signalling At Alstom, we understand transport networks and what moves people. From high-speed trains, metros, monorails, and trams, to turnkey systems, services, infrastructure, signalling and digital mobility, we offer our diverse customers the broadest portfolio in the industry. ...