3833 backend developer English-speaking jobs in Spain

Design, develop, and maintain scalable process automation solutions using Python within a serverless architecture. Orchestrate event-driven workflows with AWS services and build integrations with external and internal systems.

Develop tools and pipelines for web crawling and data generation using AI. Experience with Python, Django Framework, SQL databases, Linux, Docker, and Git is required.

Develop innovative Android apps using biometric technologies. Build Android libraries for millions of devices. Participate in code reviews and planning meetings.

Develop tools and pipelines for web crawling and data generation using AI. Work with APIs, data validation, serialization, and persistence. The codebase utilizes the Django Framework and PostgreSQL database.

iOS Developer will design, develop, and maintain iOS mobile applications. Responsibilities include conducting automated tests, ensuring adherence to software development standards, and collaborating with a team in an international environment. Requires 3-4 years of experience, proficiency in Swift, SwiftUI, and Quick & Nimble Testing, and knowledge of agile software development processes.

Job Description As a Senior Developer, you will be experienced in working with big data ingestion and

Job Description As a Senior Developer, you will be experienced in working with big data ingestion and

Java Engineer to develop tools and pipelines related to AI, rendering, data conversion, and more. Requires 5+ years of Java development experience, knowledge of Kotlin, SQL, and multi-threaded development. Responsibilities include writing maintainable code, researching technologies, and collaborating with the team.

. ⚡ We are looking for an experienced Senior Front End Developer (React.js) to join our development team

feedback, career guidance, and motivation to help team members excel Build cohesion across frontend and backend

Proficiency in PHP, MySQL, and GraphQL for backend web development.

Ability to communicate effectively and collaborate with backend, product, and support teams.

Partner with backend and DevOps teams to optimize CI/CD pipelines and deployment processes.

Partner with backend and DevOps teams to optimize CI/CD pipelines and deployment processes.

. • Backend: design and development of RESTful APIs and services using ASP.NET Core / .NET 6+, including

Key Responsibilities Technical Configuration: Execute backend configurations and service setups for

Managing Elasticsearch clusters Kibana dashboards Data backup and recovery Data mining Knowledge in backend

Experience in modern end‑to‑end projects beyond AI/ML – frontend, backend, data engineering, cloud infrastructure

Backend & Data Systems: High‑scale PostgreSQL (large DB, indexes, performance tuning).

What You'll Be Doing Contribute to the development of software features across web, mobile, or backend