Top Software Engineer Jobs in Barcelona

The Senior Backend Software Engineer will solve complex problems in the Trip Management System, focusing on product configuration, revenue integrity, and operational excellence using various technologies.

The Software Engineer at Kyndryl works across multi-client environments, developing and maintaining applications primarily in a Linux and mainframe environment, focusing on automation, analysis, and innovation.

Develop scalable mobile applications focused on fraud detection and regulatory compliance, collaborating with various teams and enhancing existing systems.

You will lead engineering efforts for backend system development, collaborate with global teams, ensure operational availability, and develop talent on your team.

Seeking a Full-Stack Software Engineer to build the core of an Agentic AI Platform. Responsibilities include frontend and backend development, product design collaboration, and infrastructure management with a focus on clean, maintainable code.

Design and implement features for scalable games, ensuring quality, performance, and security, while collaborating in an agile environment.

Design and build scalable backend services using Node.js and MongoDB. Collaborate with teams for technical solutions, and ensure reliable architecture with clean code.

As a Machine Learning Software Engineer, you'll design and optimize AI/ML applications, mentor engineers, and align technical solutions with business objectives.

You will develop and maintain web applications for one of Europe's leading investing platforms, focusing on user experiences with React, NextJS, and TypeScript, while collaborating with cross-functional teams.

The Senior Software Engineer will develop software solutions, mentor juniors, collaborate on projects, and integrate GenAI features within a team environment focused on cancer research.

As a Senior Software Engineer, you will lead backend development for the Merchant Data Platform, mentor junior engineers, ensure system reliability, and collaborate in product development. Your role involves project management, technical planning, and maintaining high availability of services.

The Robotics Test Automation Engineer will develop and maintain automated test pipelines, ensure reliable regression tests, and support CI/CD integration to enhance testing while collaborating with developers.

As a Software Engineer 2 - Mobile, you'll build scalable native ad experiences for the Android app, collaborating with cross-functional teams and focusing on user trust through privacy-first development practices.

Develop and optimize algorithms, build data processing automations, and create data tools while collaborating with cross-functional teams.

As a Full-Stack Software Engineer, you'll design and build APIs, develop user interfaces in TypeScript, and improve CI/CD workflows while collaborating with a skilled team to enhance data management processes.

As a Software Developer in Test, you will enhance testing for spatial intelligence systems, improve automation, define quality standards, and strengthen CI/CD processes.

The System Software Engineer will maintain and optimize software components in C, troubleshoot Slurm issues, and provide technical support while collaborating with various teams on performance and reliability.

Design and build scalable backend services and APIs on AWS while evolving the platform into an event-driven architecture and mentoring other engineers.

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

As a Senior Engineer, you'll develop scalable, event-driven backend architectures, design low-latency APIs, and contribute to product development across the stack while optimizing performance and collaborating on AI features.

The role involves designing and implementing web applications using various technologies, collaborating with teams, and ensuring high-quality delivery.

The Software Engineer II will develop a native iOS SDK using Swift, focusing on reusable UI components, collaborate on design systems, maintain high code quality, and work closely with backend engineers.

Design and implement high-throughput services and manage on-chain wallets for compliance and liquidity. Collaborate with stakeholders for treasury management tools and maintain systems across multiple blockchain ecosystems.

The Senior Backend Engineer will design, build, and maintain critical alerting systems, influencing product roadmap and collaborating with team members to deliver features while supporting customer needs.

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