Top Software Engineer Jobs in Spain

Build and maintain testing tools, frameworks, and platforms for a microservices architecture; integrate quality gates into CI/CD using GitOps; consult on testability and scalability; define company-wide quality processes and mentor other engineers.

As a Principal Software Engineer at Autodesk, you will shape technical direction, solve complex design automation challenges, and collaborate with cross-functional teams to deliver user-facing products. You'll work hands-on with cloud-based systems and drive architectural decisions, contributing to sustainable solutions in design.

The Lead Software Engineer will develop AI-powered software, focusing on backend systems, APIs, microservices, and collaborating in agile teams to deliver technical solutions.

The Lead Software Engineer will develop AI-powered software solutions, design backend systems, and collaborate with cross-functional teams to enhance AI capabilities.

Join the Kubernetes product team to design and implement Kubernetes operators and addons, write high-quality Golang and Python code, debug issues, collaborate with a distributed team, mentor colleagues, and contribute to open-source integration and lifecycle management. Travel 2–4 weeks yearly for team events.

Maintain, validate, and troubleshoot production Machine Vision and Machine Learning inspection applications. Execute testing, simulation, and cybersecurity patch validation; develop automation and deployment tools; implement software modifications; collect and analyse operational data; produce test documentation and reports; and collaborate with IT Security, infrastructure, and global ML/inspection teams to sustain performance and drive continuous improvement.

As a Senior Software Engineer, architect modernization efforts, transition codebases, collaborate with product teams, and ensure system reliability using observability tools.

Develop and test embedded software for aerospace systems, ensuring compliance with standards and collaborating with cross-functional teams on software requirements and verification.

Design, build, and deliver large-scale, always-on distributed backend systems and data-focused products. Participate in design reviews, develop on cloud platforms, mentor teams, and solve algorithmic, optimization, and scalability challenges.

Leads the design, development, deployment, and ongoing ownership of scalable full-stack home lending solutions. Builds .NET and ASP.NET Core backend services alongside React and Next.js front ends, while guiding architecture, technical direction, system reliability, observability, security, and performance. Partners with engineering, architecture, and product teams, mentors engineers, advances DevSecOps practices, and promotes responsible AI adoption throughout the software delivery lifecycle.

The Senior Software Engineer will lead the design and development of Windows desktop applications, ensuring performance, accessibility, and maintainability while collaborating with cross-functional teams and mentoring other engineers.

Develop and deliver AI-powered digital products as a senior full-stack engineer using TypeScript and React. Adapt across full-stack environments, leverage AI tooling and LLMs, understand agent architectures, collaborate across cross-functional teams, communicate clearly in English, and perform in fast-paced, dynamic settings.

Develop, test, and deliver scalable .NET-based features across the software lifecycle. Collaborate with product and architecture teams, improve code quality, automate processes, and support production systems for performance, reliability, and security.

Build and maintain services and tooling to automate and secure network lifecycle across data centers. Implement CI/CD, staged rollouts, drift detection, observability pipelines, and APIs that integrate network source-of-truth with the cloud platform. Collaborate with network engineers and SREs to turn operational pain into production-grade automation and tooling.

Build production-ready web features for Backbase Digital Banking and Wealth platforms using AI-assisted development. Implement Angular/TypeScript frontend components, integrate backend microservices and REST APIs, write and run unit/integration tests, ensure accessibility, security, and performance, and collaborate in a cross-functional Scrum squad while leveraging LLM tools and automated toolchains to accelerate delivery.

Lead architecture and delivery of AI-native Android SDKs and mobile components. Integrate LLM workflows and agentic AI tooling, own end-to-end mobile capabilities, enforce high automated test coverage and performance profiling, mentor engineers, and drive mobile CI/CD and security standards.

Design and build scalable, secure .NET-based web applications and REST APIs. Partner with multidisciplinary teams and clients to translate requirements into high-quality solutions, using Azure services and ORM technologies like Entity Framework. Advocate for modern practices, contribute to architecture, and support continuous learning and product development.

Lead integration of LLMs and generative AI into production applications, implement RAG and prompt-engineering solutions, build CI/CD pipelines, collaborate with cross-functional teams, mentor engineers, and drive AI automation and platform improvements.

Work on Percona's open-source MongoDB operational tools (primarily ClusterSync and also Backup). Build and harden a Go-based replication engine handling initial cloning and continuous change streams, ensure correctness and fault tolerance at scale, support sharded clusters, optimize performance and resource usage, and maintain CLI/HTTP APIs, metrics, logging, tests, and packaging. Collaborate openly via GitHub pull requests and JIRA.

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.

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

Dragonfly is seeking Software Engineers for various portfolio companies, focusing on crypto technologies. Engineers of all experience levels are needed across multiple stacks.

Develop and maintain backend services and platforms for Wi‑Fi network design and optimization. Contribute to architecture, implement scalable microservices on AWS, work with device data and APIs, debug production issues, collaborate with cross-functional teams, and mentor junior engineers.

As a Distributed Systems Engineer, you'll design and evolve LiveKit's core systems, implement resilient architectures, and enhance reliability and developer velocity, working on critical features in production environments.