Empleos de back-end developer en Zaragoza

Principal Consultant | Open-Source, Embedded, CPU/GPU + Semiconductor Technologies¿Tiene las habilidades necesarias para este puesto? Lea todos los detalles a continuación y presente su candidatura hoy mismo.Back End Developer (Python)***This is initially a Fixed Term Contract until the end of June 2026 - potential for extension/made permanent***We are...

Principal Consultant | Open-Source, Embedded, CPU/GPU + Semiconductor Technologies Back End Developer (Python)***This is initially a Fixed Term Contract until the end of June 2026 - potential for extension/made permanent*** We are working with a company that focuses on accelerating AI adoption, data literacy, and engineering capabilities through a...

Overview As a Senior Software Engineer at Fever, you will help scale and strengthen our Python-based services that power global iOS, Android, and web experiences. You'll work in a fast-paced, hands-on engineering team focused on performance, reliability, and observability, with strong emphasis on CI/CD and cloud infrastructure. You'll collaborate...

Overview As a Backend Engineer at Octopus Energy, you contribute to high-impact MVPs that empower millions of customers and internal teams. You work across international, cross-functional teams to identify real business needs and translate them into fast, practical tech solutions. You will develop parts of our private area, billing, onboarding flows, and...

Overview As a Backend Engineer at Octopus Energy, you contribute to high-impact MVPs that empower millions of customers and internal teams. You work across international, cross-functional teams to identify real business needs and translate them into fast, practical tech solutions. You will develop parts of our private area, billing, onboarding flows, and...

Overview As a Backend Engineer at Octopus Energy, you contribute to high-impact MVPs that empower millions of customers and internal teams. You work across international, cross-functional teams to identify real business needs and translate them into fast, practical tech solutions. You will develop parts of our private area, billing, onboarding flows, and...

Overview As a Senior Software Engineer at Fever, you will help scale and strengthen our Python-based services that power global iOS, Android, and web experiences. You'll work in a fast-paced, hands-on engineering team focused on performance, reliability, and observability, with strong emphasis on CI/CD and cloud infrastructure. You'll collaborate...

Overview As a Backend Engineer at Octopus Energy, you contribute to high-impact MVPs that empower millions of customers and internal teams. You work across international, cross-functional teams to identify real business needs and translate them into fast, practical tech solutions. You will develop parts of our private area, billing, onboarding flows, and...

Overview In this role you will contribute to building scalable backend services for Deel’s global payroll and HR platform. You will work within a cross-functional Engineering team to plan, design, and deliver robust features and APIs that serve customers worldwide. You will tackle performance and reliability challenges at scale, while maintaining a...

Senior Backend Developer to design, build, and maintain scalable server-side architecture and APIs using Node.Js, focusing on real-time digital products and global scalability. Requires 5+ years of experience with databases, APIs, Docker, Kubernetes, and CI/CD.

Overview In this role you will contribute to building scalable backend services for Deel’s global payroll and HR platform. You will work within a cross-functional Engineering team to plan, design, and deliver robust features and APIs that serve customers worldwide. You will tackle performance and reliability challenges at scale, while maintaining a...

Overview In this role you will drive AI-powered feature development for ClickHouse Cloud, spanning backend inference services to user-facing interfaces. You will join a high-performance database platform and help integrate AI capabilities that empower users to extract value from their data. You will shape end-to-end implementations, from inference APIs to...

Job Summary:We are looking for a full-stack PHP Developer responsible for managing back-end services and the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the...

Overview As a Senior Software Engineer on the AMO/DevHub domain, you will help shape the Firefox add-ons ecosystem by delivering major features and architectural improvements. You’ll partner with engineers, reviewers, product leads, and the community to modernize the platform, improve reliability, and scale review and moderation. You’ll build...

Be the technical engine of our smart ERP solutions dedicated to the Agrifood sector !Join our R&D team within the Agrifood Ibérica BU, made up of 5 passionate people who design and evolve our industry-specific ERP solutions for the wine, spirits, horticulture, and agriculture sectors.As a Dynamics 365 Business Central Developer, you will work in close...

Job title: Senior F# Developer Contract: Freelance Contract Duration: 6 months + Transition to permanent contract Location: Barcelona or Algeciras We are hiring for an F# Developer for our client in the transportation sector. You'll own the full application lifecycle research, design, development, testing and continuous deployment and delivery of a Fleet...

Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a...

At adidas, every day is a chance to flip the script. Helping athletes make a difference, not just in their games, but in their lives and in their world. With an unmatched history and tradition of creating iconic products, consumer connections and experiences, we've been defining sport culture since the beginning. INTEGRATION PLATFORM ENGINEER - API &...

Overview In this role you will strengthen Elasticsearch by building scalable, secure foundational infrastructure and shared features. You’ll drive developer productivity through automation, and help Elasticsearch scale across serverless, cloud, and on‑premise environments. You work cross‑functionally with the ES team and open source communities to...

Overview Join Fever's backend team to build and operate geo-distributed platform services with a focus on data residency, multi-region reliability, and privacy. You will design, implement, and optimize API-driven components that scale for a global audience. Collaborate with Product, Data, and other Engineering squads to improve performance, observability,...