Top Software Engineer Jobs in Spain

The Senior Software Engineer will build and optimize foundational services and SDKs for Speechify's product, collaborating with teams to enhance user experience and performance using Kotlin and other technologies.

Lead design and development of Windows desktop applications, enforce best practices, ensure accessibility, collaborate with teams, manage feature lifecycles, and resolve complex issues.

The Senior Software Engineer will develop and maintain foundational services at Speechify, optimizing APIs and backend services, collaborating with product teams, and enhancing user experience.

Lead a team of engineers in developing innovative software solutions, focusing on full-stack development and mentoring while embracing Agile practices and DevSecOps principles.

Develop and maintain Autodesk Fusion's API. Responsibilities include defining API, code reviews, mentoring, and collaborating with teams to improve service quality.

As a Senior Software Engineer, you will develop and optimize services for the Blacklane platform, uphold coding standards, collaborate within agile teams, and leverage your expertise in various backend technologies.

The role involves developing embedded firmware in C/C++, supporting automation with Python, and collaborating with a multidisciplinary team.

The Senior Software Engineer will architect modernization, transition legacy systems to Java/Spring, collaborate globally, and ensure backend performance.

As a Senior Software Engineer for Application Core Services at Grafana Labs, you will design and maintain critical systems, improve workflows, and integrate internal services with third-party platforms to support business operations and customer lifecycle.

The Edge Developer works within a team to deliver technical solutions and requires embedded systems engineering and development skills.

The Senior Software Engineer will lead the development of a Python-based platform, enhancing a mature system for open-source collaboration, mentoring teams, and driving innovation.

The Software Engineer will maintain and evolve an internal technical product focusing on reliability, standardization, and automation within a backend-heavy role, ensuring effective CI/CD and technical proposals.

Validate quality, stability, and reliability of Windows desktop security software through manual and automated testing. Create and execute test cases, log and track defects, analyze requirements, improve test coverage and efficiency, and collaborate with developers and PMs in an agile environment.

Design, develop, and test software applications and services, primarily focusing on API infrastructure and cloud-based solutions for partners.

As a Senior Software Engineer, you will lead your team in shipping features, making technical decisions, and mentoring others to scale products effectively.

The Senior Software Engineer will take technical ownership of AI-driven solutions, implement backend services, and collaborate with cross-functional teams to improve healthcare and scientific discovery.

As a Go Software Engineer for Identity Management, you will design, implement, and enhance identity management solutions, collaborate with a distributed team, and contribute to the development of authentication and authorization systems.

Design and build high-throughput, low-latency backend microservices in Kotlin/Java using Spring Boot Reactive. Implement scalable, well-tested systems, deploy on AWS with Docker/Kubernetes, integrate Kafka/Redis, and collaborate cross-functionally to ensure reliability and observability.

The Staff Software Engineer will lead the design and implementation of scalable web and backend systems, collaborate with teams, and drive architectural decisions to enhance the CommSec platform.

The role involves driving the plugin development ecosystem, re-architecting core subsystems, and managing deprecation processes for the IntelliJ Platform API.

As a Senior Blockchain Engineer, you will design and optimize smart contracts and blockchain infrastructure, collaborate with teams to ensure secure solutions, and lead development efforts in the DeFi ecosystem. You will analyze technologies, mentor staff, and enhance performance while maintaining security best practices.

The role involves designing and implementing Python services and AI solutions, leading technical engagements, and mentoring engineers. Responsibilities include production-level coding, architecture decisions, and client interaction.

Design, build, and optimize high-performance, scalable backend services. Work with event-driven architectures and streaming, ensure reliability under high concurrency, use observability and profiling tools, collaborate cross-functionally, own core components, review and mentor, and drive architecture and system improvements.

Build and operate geo-localized, multi-region backend services focusing on data residency, reliability, scalability, and privacy. Design and implement features, participate in architecture, work with event-driven systems, contribute to observability and CI/CD, and mentor peers while owning core components.

Lead design and delivery of scalable web and backend systems for CommSec. Drive architecture, mentor engineers, collaborate with product/design/ops, champion best practices, and ensure reliability, security, and performance across TypeScript/React frontends and C#/.NET Core APIs backed by MSSQL or similar databases.