Top Software Engineer Jobs in Barcelona

Build, maintain, scale, and support globally distributed streaming services handling high-throughput platform data. Develop automation and tooling for reliability, scalability, and operational stability; participate in architecture, Agile team processes, shared code ownership, and on-call rotations. Work with streaming platforms, distributed systems, concurrency, production scaling, Kubernetes, and observability solutions.

Student internship to gain software engineering experience: research new technologies, solve customer problems, collaborate with teams, integrate solutions into XProtect products, and contribute to feature development and test automation within a multicultural development team.

Design, build, and operate a large-scale Kubernetes platform: ensure high availability and performance, automate platform delivery, develop custom Kubernetes Operators in Go, manage production incidents, and run Day 1/Day 2 cluster operations with Helm and GitOps tooling.

Design, build, and scale backend services for a high-volume distributed tracing pipeline. Work on distributed system challenges, create automation and tooling, participate in architecture, collaborate with product teams, use DevOps practices and on-call rotations, and apply AI tools to accelerate development.

Build, maintain, and scale backend services for a high-volume distributed ingest and processing pipeline. Integrate AI agents into engineering workflows, create automation and tooling, collaborate with product teams, participate in on-call rotations, and champion observability and continuous workflow innovation.

Design, build, and maintain backend collections systems to manage delinquent loans. Collaborate with product, risk, and engineering teams, deliver features in phases, support operations and on-call rotation, instrument monitoring, and participate in hiring and team growth.

Build and maintain backend collections systems to manage delinquent loans, implement recovery strategies, ensure high availability and reliability, collaborate with product and risk teams, participate in on-call rotation, write well-tested extensible code, and contribute to team growth.

Build and maintain front-end features and developer-facing tooling for New Relic One using modern JavaScript/TypeScript. Select frameworks, produce performant CLI tools, automate developer tasks, collaborate on UI best practices, and implement CI pipelines and testing.

As a Software Engineer, you'll design and develop software solutions, solve technical problems, lead projects, and collaborate with product and operations teams.

The Software Engineer will join a product squad to develop and maintain functionalities on the 360Learning platform, focusing on JavaScript technologies and clean architecture.

Develop and deploy performant frontend applications using React, TypeScript, JavaScript, Redux, and Next.js. Analyze requirements, resolve technical issues, support legacy C# and .NET applications, and collaborate with distributed Agile teams. Integrate AWS infrastructure, maintain CI/CD practices, write automated tests, implement accessible UI systems, and uphold clean-code and security standards. Preferred experience includes Node.js, NoSQL, GraphQL, monitoring tools, and AI productivity tooling.

The role involves developing and maintaining embedded C code for HVAC control systems, participating in debugging, testing, and ensuring compliance with coding standards.

Build and support scalable backend platforms for onboarding non-integrated quick-commerce partners. Design distributed systems and microservices, implement event-driven architectures, troubleshoot complex production issues, and deliver timely fixes. Collaborate with product managers, engineering leaders, and cross-functional stakeholders; lead technical initiatives, make architectural decisions, mentor engineers, and uphold code quality, automated testing, observability, and system design best practices.

Leads the design, development, testing, optimization, troubleshooting, and maintenance of complex full-stack software applications. Collaborates with cross-functional teams, documents technical requirements, resolves IT issues, supports end users, and applies modern engineering practices including microservices, APIs, cloud messaging, CI/CD, containers, Kubernetes, monitoring, and Agile methodologies.

Leads the design, development, maintenance, testing, optimization, and troubleshooting of complex full-stack software applications. Collaborates with cross-functional stakeholders, produces technical documentation, prepares data, resolves IT issues, and provides end-user support. The role requires advanced C# and .NET expertise, Angular, APIs, microservices, databases, messaging systems, cloud-oriented engineering practices, CI/CD, containerization, monitoring, and Agile methodologies.

Leads the design, development, maintenance, testing, troubleshooting, and optimization of complex full-stack software applications. Collaborates with cross-functional stakeholders, prepares technical documentation, resolves technical issues, supports end users, and preprocesses data. The role uses C#, .NET, Angular, APIs, microservices, relational databases, messaging systems, CI/CD, containers, monitoring tools, and Agile practices.

Build scalable backend systems and data pipelines to power consumer credit reporting. Partner with Product, Compliance, Servicing, and Credit teams to design, deliver, monitor, and operate accurate reporting systems, including on-call responsibilities. Develop robust, well-tested code in Python or Kotlin using distributed systems patterns and technologies like AWS, MySQL, and Spark.

As a Senior Product Software Engineer, you will design, develop, and maintain software applications, collaborate with teams, optimize performance, and provide technical support.

Supports daily R&D departmental activities, contributes to ongoing projects, conducts research and analysis for decision-making, and collaborates with team members to develop and implement innovative ideas while demonstrating teamwork, customer focus, integrity, and sustainability.

Senior full-stack engineer building AI-powered digital products. Work across full-stack environments using TypeScript and React, leverage AI tools and LLMs, design agent-based integrations, collaborate cross-functionally, adapt to shifting priorities in fast-paced teams.

Join the Backend Platform team to manage and scale Rover's datastores (Postgres/MySQL on AWS RDS), lead upgrades, design backups, build self-service automation (Terraform, Python), monitor systems (Datadog/CloudWatch/Splunk), participate in on-call rotation, and collaborate with product and engineering teams on migrations and performance tuning.

Work on Servicing International building purchase protection (disputes/refunds) and agent tooling. Contribute to web apps and backend APIs, collaborate with global teams, participate in on-call rotation, ship reliable scalable solutions, and engage in code reviews and growth activities.

Staff Backend Software Engineer responsible for setting technical strategy, designing and launching highly available distributed systems, and delivering business-critical identity capabilities for international markets. The role involves cross-functional collaboration, system architecture, operational ownership, monitoring, on-call support, code quality standards, technical communication, and mentoring engineers.

Own availability and performance of mission-critical services, improve scalability and observability, build platform tooling, practice sustainable incident response, participate in on-call rotation, collaborate with product teams, and follow FinOps best practices.

The Lead Software Engineer will develop AI-driven software solutions, focusing on backend systems, microservices, and collaborating with cross-functional teams to influence strategic decisions.