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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Java Software Engineer - Barcelona (Hybrid) - **Company:** Wizeline - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Amazon Web Services, Amazon S3, Automation of Tests, Unit Testing, Cloud Engineering, DevOps, Distributed Systems, Amazon DynamoDB, Github, NoSQL, Software Testing Automation Framework, Delivery Pipeline, Spring-boot, Backend, Amazon Relational Database Service, Gitlab-ci, Integration Tests, Code Testing, Front End Software Development, Cloudwatch, Api Gateway, Restful APIs, Jenkins, Microservices - **Published:** August 5, 2026 - **Apply:** https://www.buscojobs.com.es/senior-java-software-engineer-barcelona-hybrid-en-barcelona-ID-365601270 ## About the Role Must-have Skills 5+ years of backend engineering experience working with Java and Spring Boot in production environments. Strong hands-on experience with AWS services (Lambda, ECS/EKS, API Gateway, S3, RDS/DynamoDB, CloudWatch, etc.). Solid understanding of microservices architecture and distributed systems. Experience building and consuming RESTful APIs. Proficiency with CI/CD pipelines and tools (Jenkins, GitHub Actions, GitLab CI, etc.). Strong understanding of relational and/or NoSQL databases. Experience with unit testing, integration testing, and test automation frameworks. Ability to work autonomously while collaborating effectively with a cross-functional team. Excellent problem-solving and communication skills. Nice-to-have: AI Tooling Proficiency: Leverage one or more AI tools to optimize and augment day-to-day work, including drafting, analysis, research, or process automation. Provide recommendations on effective AI use and identify opportunities to streamline workflows. ## Description We are:Wizeline, a global AI-native technology solutions provider, develops cutting-edge,AI-powereddigital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture ofgrowth, collaboration,andimpact.With the right people and the right ideas, there's no limit to what we can achieveAre you a fit?Sounds awesome, right? Now, let's make sure you're a good fit for the role:Key ResponsibilitiesDesign, build, and maintain scalable backend services using Java and Spring Boot in a cloud-native AWS environment.Develop and optimize RESTful APIs, microservices, and backend components following best engineering practices.Collaborate closely with cross-functional teams-Product, DevOps, QA, and Frontend-to ensure seamless integration and high-quality product delivery.Participate in architectural discussions, contributing to decisions that ensure scalability, security, and performance.Troubleshoot complex backend issues, perform root-cause analysis, and provide long-term improvements to system stability.Implement automation, monitoring, and CI/CD pipelines to improve development and deployment workflows.Write clean, maintainable, and well-tested code, following engineering and security standards.Must-have Skills5+ years of backend engineering experience working with Java and Spring Boot in production environments.Strong hands-on experience with AWS services (Lambda, ECS/EKS, API Gateway, S3, RDS/DynamoDB, CloudWatch, etc.).Solid understanding of microservices architecture and distributed systems.Experience building and consuming RESTful APIs.Proficiency with CI/CD pipelines and tools (Jenkins, GitHub Actions, GitLab CI, etc.).Strong understanding of relational and/or NoSQL databases.Experience with unit testing, integration testing, and test automation frameworks.Ability to work autonomously while collaborating effectively with a cross-functional team.Excellent problem-solving and communication skills.Nice-to-have:AI Tooling Proficiency:Leverage one or more AI tools to optimize and augment day-to-day work, including drafting, analysis, research, or process automation. Provide recommendations on effective AI use and identify opportunities to streamline workflows.What we offer:A High-Impact EnvironmentCommitment to Professional DevelopmentFlexible and Collaborative CultureGlobal OpportunitiesVibrant CommunityTotal Rewards*Specific benefits are determined by the employment type and location.Find out more about our culturehere. ## Related Videos - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [The Alpha‑Developer of Tomorrow: Building the Future of the Software Development Lifecycle](https://www.wearedevelopers.com/videos/1401-the-alpha-developer-of-tomorrow-building-the-future-of-the-software-development-lifecycle) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Are Software Engineer Wages Being Pushed Down? 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