Top Software Engineer Jobs in Madrid

As a Software Engineer, you'll develop software for Ceph and distributed storage, collaborating with a global team to enhance cloud solutions.

Canonical is hiring a Software Engineer to develop features for Kubernetes, focusing on operators and integrations while collaborating in a distributed team.

Build and operate Alan’s privacy platform, including the GDPR Orchestrator for data retention, deletion, anonymization, and pseudonymization. Develop reliable APIs, contracts, safety mechanisms, observability, documentation, templates, and self-service tooling. Enable engineering teams to manage their own data rules, coordinate with legal and security stakeholders, and evolve privacy capabilities across data stores and third-party systems. The role involves hands-on Python and TypeScript development, production ownership, on-call operations, and cross-team technical leadership.

Provide technical support for applications: investigate and resolve issues, develop and implement interfaces, create support documentation, collaborate with Design/Test/Dev teams, estimate resources, and monitor project performance.

Investigate and resolve verified application issues, develop and implement interfaces, create technical support documentation, collaborate with design, test and development teams, provide user support, estimate resource timings, and monitor project performance to meet goals.

Design, develop, and maintain scalable Python/Django backend services and RESTful APIs for financial products. Implement data models, write tests, optimize performance, ensure availability and security, participate in code reviews, and collaborate with cross-functional teams to deliver features and maintain production systems.

Design and implement complex customer-facing frontend features using TypeScript and React. Provide technical leadership, mentor junior engineers, drive frontend architecture and best practices, improve performance and accessibility, partner with product/design, integrate with backend APIs, and manage technical debt and scalability.

Develop and maintain open-source, silicon-optimized AI/ML inference application packages (Inference Snaps) for Linux/Ubuntu Core. Debug, write high-quality code, review upstream contributions, secure and optimize local inference deployments across embedded devices to gateways, and collaborate with a distributed team and stakeholders.

We are seeking a software engineer to build and validate resilient distributed systems, enhance CI pipelines, and improve testing strategies for cloud applications.

Design, implement, and maintain cross-platform C++ features for Multipass on macOS and Windows. Lead architecture, mentor peers, write high-quality tested code, review contributions, debug user issues, collaborate with a distributed team, engage the open-source community, and support customers.

Build and maintain backend-first features and integrations for Triptease's marketing channels. Work across the full stack (primarily backend), design scalable distributed systems, implement CI/CD on cloud platforms, collaborate closely with product teams, pair program, write tests (TDD), and contribute to squad strategy and product quality.

Build and modernize Mozilla’s Add-ons platform, including automated moderation pipelines, reviewer tools, DevHub, and internal developer platforms. Improve CI/CD, infrastructure as code, observability, reliability, testing, incident response, and production operations. Collaborate with engineers, product managers, designers, QA, reviewers, and contributors while documenting architecture, mentoring peers, and delivering iterative improvements across Python/Django, MySQL, React/TypeScript, and asynchronous systems.

Build and own the architecture for Dune’s curated data lifecycle, including dependency-aware orchestration, backfills, schema evolution, retries, recovery, data quality, and alerting. The role combines backend software engineering with large-scale data systems work across Go, Kotlin, Rust, Python, and SQL. Responsibilities include designing ingestion and curation contracts, making architecture decisions, solving ambiguous problems, and leading work that other engineers can execute.

Design and implement the core components of the Agents Python framework, focusing on API and abstraction development for AI-driven applications.

Design and develop functionalities for the Agents framework, iterate on feedback, and create documentation while working with various programming languages.

The Software Engineer will design, develop, and support technical solutions, working collaboratively with teams to integrate technologies for environmental projects about climate change and biodiversity.

Design and develop core backend components for a blockchain network using Rust, ensuring reliability and scalability in production-grade software.

As a Senior Front-End Software Engineer, you'll design and implement services, contributing to the architecture and product strategy in a fast-paced environment.

The Senior Back-End Software Engineer will design and implement a serverless platform, work closely with the product team, and own entire projects, driving innovation in telehealth.

As a Back-End Software Engineer, you'll design, implement, and scale a serverless telehealth platform using various technologies while working closely with the product team.

Design, build and ship Android features using Kotlin and Jetpack (Compose). Integrate backend REST APIs, improve performance, stability and memory, and craft clean user journeys for financial services. Use analytics and production debugging to iterate and deliver AI-assisted mobile experiences where beneficial.

The role involves designing, building, and implementing new services, working closely with the product team, and taking ownership of projects from 0 to 1.

As a Fullstack Software Engineer, you'll design and maintain internal services and APIs, enabling product teams to innovate efficiently and effectively while enhancing user experience across multiple regions.

The Junior Software Developer will collaborate on a cloud-native monitoring stack, developing features, debugging, and representing Canonical at events.

The role involves creating and automating infrastructure features for data platforms using Python, with a focus on distributed systems and collaboration within a global team.