Top Software Engineer Jobs in Barcelona

The Mid-Level .NET Software Engineer will develop AI-powered digital products, writing efficient code, ensuring scalability and observability, and utilizing cloud environments and CI/CD practices.

Design, implement, and maintain systems for a modern ledger at Alpaca. Collaborate with teams to deliver scalable solutions for trading financial assets.

The Senior Backend Software Engineer will design and maintain backend systems, optimize performance, ensure security compliance, and mentor junior engineers in a collaborative environment.

As a Senior iOS Developer, you will design, develop and maintain advanced features for our native iOS app, ensuring a smooth user-centric trading experience while monitoring app performance.

As a Senior Android Developer, you will develop and maintain the Bitpanda app, ensuring quality through tests and code reviews while collaborating with teams on new features.

Design, implement, and own high-performance, event-driven backend services. Improve scalability, reliability, and observability; profile and optimize systems; collaborate with Product, Data, and other teams; mentor peers and drive best practices for testing, deployment, and architecture.

Design and build backend services for a multi-tenant cashier system, integrating with blockchain networks and ensuring scalability and security in a financial context.

Lead the technical vision for the HR platform, drive AI and machine learning projects, and mentor senior engineers to ensure security and scalability in software delivery.

The Senior Build Engineer will manage software build, test, and release processes for Elastic Agent, focusing on CI/CD systems and Golang projects, while ensuring testing accuracy and security best practices.

The Senior Software Engineer will develop core business products, ensuring performance and scalability, and automate development processes while collaborating with stakeholders.

The role involves developing and enhancing features for the iOS app, collaborating with product and design teams, and ensuring code quality through testing and technical guidance for junior members.

Lead the transformation of native mobile applications to React Native, define architecture, create a design system, and mentor teams. Optimize development workflows and establish best practices.

As a Senior Software Engineer, you will build scalable distributed systems, improve developer experience, mentor peers, and lead incident responses.

The Senior Software Engineer will enhance cloud development by building low-level runtime systems, focusing on performance and reliability. Responsibilities include developing APIs, optimizing distributed systems, mentoring engineers, and contributing to open-source projects.

The Principal Software Engineer will architect Akamai's AI inference platform, lead technical decisions, mentor engineers, and optimize AI workloads globally.

Design, implement, and own end-to-end backend features in a Python-based, event-driven platform. Improve architecture for performance, reliability, and scalability, participate in design reviews, mentor peers, ensure CI/CD and testing best practices, and collaborate with Product and Data teams to deliver production-ready services.

Build and maintain Finance & Compliance services to calculate revenue, invoice partners and customers, automate tax reporting, and ensure scalable, reliable transaction processing. Design end-to-end features, participate in architecture, improve observability and performance, and mentor teammates while owning core components.

The Senior Software Engineer will collaborate in small teams to develop and maintain backend and frontend components, focusing on high-availability systems, writing tests, and continuous delivery on Google Cloud Platform.

The Senior Software Engineer will build API interfaces, backend infrastructure, and Ruby on Rails applications, collaborate with teams, and improve existing systems.

Lead technical initiatives for automating network engineering, develop and maintain software for global platform infrastructure, and enhance customer experience through operational excellence.

This role involves designing, developing, and maintaining mobile applications using React Native and TypeScript, leading projects, collaborating with teams, and enhancing the mobile app lifecycle.

The Senior Software Engineer will design, develop, and maintain mobile applications focused on public transport, taking ownership of high-impact projects and collaborating across teams.

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

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.