Top Software Engineer Jobs in Madrid

Remote software engineer role building and enhancing Ukio's platform. Collaborate with cross-functional teams to design, develop, deploy features, drive automation and AI integrations, write maintainable code, troubleshoot and optimize systems, and deliver user-focused solutions while owning engineering initiatives.

Drive performance and scale characterization for NVIDIA DGX Cloud across Kubernetes and NVIDIA components. Build automated tests, monitoring, and CI/CD for large-scale GPU-accelerated workloads. Triage and resolve distributed systems performance issues, collaborate with researchers and upstream open-source communities, and present findings at conferences.

As a Backend Software Engineer, you'll design scalable backend systems, optimize database performance, and collaborate with front-end and DevOps teams.

Contribute to Juju's development, collaborate with teams on distributed systems, debug issues, and enhance cloud automation features.

Design, build, and evolve a scalable aggregate system to accelerate query performance across cloud data platforms; architect prediction/selection logic for aggregates; optimize maintenance, scheduling, and reliability at scale while collaborating with query planning and platform teams.

Develop and maintain high-performance microservices, engage in the full software development lifecycle, and collaborate within autonomous teams. Understand service architecture and optimize solutions for scalability and resilience.

Design and implement backend trading services, own features end-to-end (schema, API, tests, UI integration), contribute to real-time infrastructure and client-facing APIs, and write integration tests against real dependencies.

As a Senior Tech Generalist, you'll build and maintain end-to-end systems, improve scalability, and ensure reliable financial operations while mentoring others in a dynamic team environment.

The Software Engineer role involves developing high-quality web and mobile applications, collaborating with cross-functional teams, and ensuring core engineering practices while maintaining a strong user focus.

Software Engineers at QuantCo will design and develop scalable solutions, integrate models into client businesses, and improve products based on client feedback.

As an Ubuntu Core Software Engineer, you will design and implement features for the embedded Linux operating system, maintain boot mechanisms, debug system-level issues, and collaborate with a global team.

Design, build, and operate scalable, secure, event-driven backend services for mobile apps. Own end-to-end development lifecycle, improve architecture and CI/CD, write robust tests, mentor engineers, lead incident response, and integrate AI-assisted developer tools.

Full-stack Developers at QuantCo build user interfaces for machine learning solutions, collaborating with data scientists and engineers to deliver actionable products.

As a Staff Software Engineer, you will define engineering vision, lead large projects, ensure code quality, and mentor engineers while enhancing the scalability of the platform.

The Software Engineer will develop backend systems using Rust, manage multimodal data, and improve data infrastructure with a focus on performance and design ownership.

As a Senior Software Engineer, you will build scalable systems, mentor engineers, and ensure high availability of data pipelines, collaborating with cross-functional teams.

The role involves optimizing hardware support within a software stack for AI model deployment, collaborating with teams and hardware vendors to enhance performance and portability across platforms.

Canonical seeks open-source enthusiasts to optimize Ubuntu for new silicon technologies, collaborating with teams and customers to enhance software quality and performance across various platforms.

Build and operate agentic AI systems and features from prototype to production within a serverless AWS environment. Design orchestration, memory, durable state, failure recovery, and evaluation frameworks. Collaborate with product and domain engineers to identify AI opportunities, manage operational economics (latency, token cost), and contribute org-wide AI patterns, tooling, and standards.

Build and ship full‑stack features for North, an enterprise AI workspace. Develop secure autonomous agents, execution engines, integrations, observability and evaluation systems. Collaborate with researchers to productionize models and deliver performant, low‑resource deployment code while adhering to strict security and privacy constraints.

Own and evolve the GDPR Orchestrator platform: design and operate its core engine, safety mechanisms, and observability. Build docs, templates, and self-serve tooling so product areas manage data rules. Coordinate cross-area requirements with legal, security, and data teams. Improve platform developer experience, safety, and scale integrations across data stores and third-party systems.

Responsible for building scalable distributed systems, mentoring teammates, innovating on technical solutions, and improving team processes. Requires expertise in backend languages, especially Golang and Typescript.

The Lead Golang Software Engineer develops server solutions, leads technical designs and code reviews, mentors colleagues, and ensures the quality of engineering practices in the Commercial Systems unit.

The Python Software Engineer will develop and maintain test automation tools for hardware certification and improve Linux testing methods.

You will build and maintain container images, automate CI/CD processes, engage with the community, and mentor junior team members in a collaborative environment.