Top Software Engineer Jobs in Barcelona

Lead development, integration, support and maintenance of content-processing and editorial backend applications. Own full SDLC: design, implement, test (unit, performance, stress), deploy and operate software. Drive technical decisions, practice Agile, and work with .NET/C#, SQL Server, cloud, containers, and IaC tools.

As a Senior Software Engineer at Bitpanda, you will design and develop scalable back-end systems using Java, integrate with 3rd party vendors, and optimize system performance, reliability, and scalability.

Lead integration architecture and hands-on development for a global experimentation platform. Ensure consistent SDK implementations, resolve integration/data issues, define standards, and evolve feature-flagging and configuration services across backend, web, and mobile.

Technical leader for the Platform Tribe who designs, builds, and operates platform services. Drives cross-squad initiatives (CI/CD, delivery workflows), improves reliability (SLOs, observability, runbooks), leads incident response, mentors engineers, and implements durable automation and operational standards.

The Senior Software Engineer will design and implement web applications, enhance existing architectures, mentor engineers, and contribute to project planning and technical standards.

The role involves engineering scalable software solutions, improving system automation, collaborating with teams, and leading engineering initiatives in a cloud environment.

The Lead Software Engineer will provide technical design, maintain the technical roadmap, document architectures, code, conduct reviews, mentor engineers, and support recruitment efforts.

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

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 develop scalable applications for data representation within SoC environments, manage cloud solutions, CI/CD pipelines, and support R&D teams with data processing.

Join Reedsy to develop and improve a collaborative word processor, adding features and ensuring performance and security for users.

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 and improve backend services for payment flows, develop frontend components, and manage third-party integrations in a fast-paced environment.

The role involves developing scalable backend services, AI-enabled tools for marketers, and ensuring collaboration in real-time in a remote setting.

As a Software Engineer, you'll build reliable systems, drive innovation in autonomous squads, and mentor within a collaborative engineering community.

As a Senior Software Engineer for Grafana k6, you'll develop and maintain performance testing tools, work on the codebase, collaborate with engineers, and enhance system reliability while ensuring high-quality code delivery.

As a Senior Software Engineer at Rewardful, you'll improve infrastructure, optimize performance, implement scalable solutions, and develop new features for our SaaS affiliate management platform.

As a Senior Software Engineer, you will design and implement scalable software solutions, improve system automation, and collaborate with distributed teams. You'll enhance platform functionality, create common components, and contribute to observability tooling, all while driving continuous improvement initiatives.

As a Senior Staff Software Engineer on the Platform Team, you'll design high-performance backend systems, mentor engineers, and drive architectural strategies to enhance Kraken's system reliability and scalability.

Join Filigran as a Senior Software Engineer to develop a scalable XTM Suite platform using TypeScript and Python. You'll focus on architecture and community engagement while innovating cybersecurity solutions.

Design and build key features for an AI coding platform, focusing on user experience and product growth in a collaborative environment.

The Staff Software Engineer will tackle large technical challenges, design scalable solutions, influence architectural direction, and enhance platform efficiency while collaborating with various teams.

The Staff Software Engineer will implement scalable solutions, tackle complex system challenges, and guide platform architecture while collaborating with multiple teams.

As a Senior Software Engineer in Localization, you will develop and maintain localization tools, collaborate on internationalization features, and support community localizers.

Join the Connectivity team to design and maintain APIs and services that enhance Mews' functionality, ensuring reliable high-scale integrations.