Empleos de senior backend engineer python en Barcelona

At Open Cosmos we are solving the world's biggest challenges from space, providing businesses, governments and researchers access to more readily available information than ever before - ready for the challenge? Then read on... Working in our Growth Team The Growth team acts as the powerhouse of the company, ensuring the immediate needs of the customers are...

A specialized AI opportunity platform is seeking a Senior Python Developer to create functional tests and manage Docker environments. Ideal candidates should have over five years of software engineering experience, with expertise in Python and deep functional testing skills. The role offers remote, flexible participation at a competitive rate based on...

We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.We’ve just reached unicorn status with a $150M Series D, accelerating our vision to transform education through human-led, AI-enhanced learning. As a...

We are knowmad mood! Somos 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. Formado por más de 3.000 personas creativas,...

Senior Software Engineer (Backend)ABOUT LINGOLingo is building a cutting?edge digital health platform that fuses continuous biosensor data, high?performance backend engineering, and advanced analytics to help people live healthier, longer, fuller lives. time data, and the backend is the heartbeat that transforms biosensor signals into actionable health...

Founded in ****, Qualifyze is a leading company in supply chain compliance management in the Life Sciences industry, trusted by over 1,500 pharmaceutical and healthcare companies globally. Our digital suite of solutions connects manufacturers, suppliers, and a global network of more than 250 auditors and quality experts. With a track record of over 4,500...

We're here to help make tech reliable, affordable, and better than new. La información a continuación detalla los requisitos del puesto, la experiencia esperada del candidato y las cualificaciones correspondientes. We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable...

We're looking for a Senior Data Engineer (Python/Tableau) to join our team in Madrid, Spain in a hybrid working mode. In this role, you will design and optimize SQL-driven data transformations, develop scalable ETL/ELT pipelines, and contribute to enterprise data models supporting analytical, financial and regulatory reporting. This position provides an...

ALTECH Solutions and Consulting SL is an engineering company specializing in the design, development, and integration of systems and solutions in the field of Information and Communication Technologies (ICT). The company was founded with the aim of building innovative solutions that provide value to its clients in the areas of transportation, mobility,...

DICE is looking for a Senior Backend Engineer to join our Engineering team and shape the architecture of our live-event platforms.You will impact how we scale, design distributed services, and deliver reliable APIs for fans, venues, and artists.You'll lead technical discussions, mentor engineers, and champion best practices while working remotely with a team...

Ashby is seeking a Senior Software Engineer (Backend) to join its fully remote engineering team.You will design, develop, and maintain scalable backend systems powering innovative products, collaborating with a talented team on architecture and lifecycle delivery.We value a proactive problem-solver with strong backend knowledge, attention to detail, and...

Grafana Labs is a fully remote company with a global team creating Grafana Cloud, a composable observability platform.We value open-source culture, transparency, autonomy, and trust, and we welcome applicants from multiple countries including Spain.You'll work on a cloud-native stack (Go, Kubernetes) with on-call rotations, collaboration, and a focus on...

M-KOPA Mobility in Madrid is seeking a Senior Backend Engineer to build event-driven microservices powering our fast-growing e-mobility platform.You'll work within a globally distributed team delivering scalable .NET services, using AI coding tools like Claude Code, to move faster and ship impact.This role emphasizes ownership, end-to-end delivery, and scale...

Job ID: 31161202Posted: Posted 30+ Days AgoStart Date: 2026-09-08Location: Spain - BarcelonaTime Type: Full timeJOB DESCRIPTION:Senior Software Engineer (Backend)ABOUT LINGOLingo is building a cutting‐edge digital health platform that fuses continuous biosensor data, high‐performance backend engineering, and advanced analytics to help people live...

Naphora Games Group seeks a Senior Backend Engineer to design, build, operate, and scale robust backend systems and platforms. This fully remote position aligns with our Saudi schedule (Sun–Thu, 9:00 AM–5:00 PM KSA time).You’ll work across APIs, databases, AI integrations, and live operations, collaborating with Engineering, Product, BI, and other...

OverviewIn this role you will join a cross-functional team to deliver impactful learning experiences for tutors and learners at scale.You will shape backend and frontend engineering across Python/Django and React, drive architectural decisions, and mentor others to raise the engineering bar.You'll apply data-driven methods to validate ideas, work with...

Grafana Labs is seeking a Senior Engineer for Pyroscope, our open-source profiling platform, in a fully remote role across the global team.You will own end-to-end projects, design core database components, and align with customers to shape the product roadmap while maintaining a strong focus on reliability and cost efficiency.We value collaboration across...

El equipo de Webpps es el propietario de nuestra plataforma de Back Office, nuestra Red Social Privada y nuestro Marketplace, abarcando tanto el backend como el frontend.Se trata de un equipo ágil y multifuncional, con un alcance claro y bien definido, que requiere que los ingenieros de Backend y Frontend colaboren en la definición e implementación del...

M-KOPA is hiring a permanent Senior Backend Engineer to join our Asset Sales group as we scale one of the most important parts of our FinTech platform. You will build distributed C# and .NET microservices on Azure, operating within an event-driven architecture at scale.This is an outcomes-driven role with end-to-end ownership from idea to production and...

About Diabolocom Diabolocom is a leading European provider of AI-first, cloud-based contact centre (CCaaS) and customer experience (CX) solutions that help companies deliver seamless, personalised customer experiences at scale. The platform combines proprietary, purpose-built AI technology for customer service, native telecom infrastructure, and deep CRM...