Top Software Engineer Jobs in Spain

Build and integrate AI capabilities into the software development lifecycle for the PETS area: design LLM-driven developer tooling, MCP-based extensions, context engineering, LLM-integrated CI/CD, and test automation while collaborating with engineering, platform, and product teams to drive AI adoption.

Develop core backend components for a blockchain network, focusing on networking, reliability, scalability, and high-quality software practices.

The role involves building self-service platform services using Go, automating operational workflows, scaling Kubernetes, and ensuring reliability in cloud environments.

As a Senior Backend Engineer, you'll design, build, and optimize backend services for payment solutions, ensuring high performance and testing of your code.

As a Growth Software Engineer, you will scale user and business growth through experimentation, data-driven development, and cross-functional collaboration, particularly in user engagement and retention.

The AI Software Engineer will develop and improve Joko's AI shopping assistant, focusing on architecture, evaluation, data management, and personalized user experiences, while collaborating with product teams.

As a Software Engineer II, you'll develop backend and frontend applications, support API layers and integrations, and collaborate with cross-functional teams to enhance the product's performance.

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

Join Gartner as a Software Engineer contributing to AI-focused software solutions in a hybrid environment. Collaborate with cross-functional teams to design, build, and maintain scalable systems that deliver actionable insights to enterprise clients.

As a Senior Software Engineer, you'll design scalable systems, enhance AI-augmented workflows, mentor juniors, and collaborate effectively with a global team. You will also apply strong architectural thinking and maintain production-grade quality in your outputs.

The role involves designing and building AI-focused research tools, optimizing performance, engaging with customers, and scaling product features quickly.

The Backend Engineer will design scalable infrastructure for AI research tools, collaborate on optimizing system performance, and own evaluation pipeline automation.

The Lead Software Engineer will develop AI-driven software solutions, focusing on backend systems, microservices, and collaborating with cross-functional teams to influence strategic decisions.

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.

Responsible for the design, development, and maintenance of electrical systems, using control theory for desired system behavior, while ensuring team and customer focus.

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

Senior full-stack engineer responsible for designing, developing, testing, and maintaining cloud-native microservices and Angular frontends. Build RESTful APIs, implement asynchronous messaging, optimize data and caching, maintain CI/CD pipelines, containerize with Docker/Kubernetes, and ensure observability and system reliability.

Design, build, test, and maintain full-stack, cloud-native applications. Develop .NET-based microservices and Angular frontends, implement asynchronous messaging, manage data with SQL/Redis, maintain CI/CD pipelines, containerize with Docker/Kubernetes, and ensure monitoring and test coverage while collaborating cross-functionally and mentoring peers.

Lead full‑stack development of high‑traffic public websites, integrate AI tooling into the SDLC, design scalable backend and performant UIs, maintain cloud infrastructure, CI/CD, monitoring, and testing, and own services under a you‑build‑it‑you‑run‑it philosophy.

Architect, develop, and scale cloud services, dashboards, and data pipelines to support robotics and autonomous vehicle telemetry. Integrate IoT devices with Azure services, build APIs/microservices, implement observability and CI/CD, validate systems in lab and field, and mentor junior engineers.

Design, develop, test, and integrate embedded robotic control software for lift trucks. Create system and component requirements, simulate and verify software, collaborate globally on electrical and software architectures, support manufacturing and aftermarket, lead code/design reviews, mentor junior engineers, and liaise with technology suppliers to ensure quality, reliability, and performance.

Build and maintain backend integrations and production features for Enode's Connect platform. Work on Node/TypeScript and AWS-based services to support EV charging and home energy systems, collaborate with product and commercial teams, debug and improve services, participate in code reviews, and translate customer needs into reliable technical solutions.

Build and operate services and tooling that automate network lifecycle, make network changes safe (CI/CD, rollouts, audit trails), develop scalable observability and telemetry, integrate network source-of-truth with platform APIs, and collaborate with network engineers and SREs to turn operational pain into production-grade automation.

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.

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.