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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Java Developer - **Company:** Softserve - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Business Logic, Application Performance Management, Automation of Tests, Code Coverage, Databases, Continuous Delivery, Hibernate (Java), Java Persistence API, Spring Framework, Apache JMeter, Junit, PostgreSQL, MariaDB, Apache Maven, MongoDB, Online Analytical Processing, Model View Controller (MVC), OAuth, Octopus Deploy, OpenShift, Role-Based Access Control, Redis, Regression Testing, Service-Oriented Architecture, Openapi, Grafana, Spring-boot, Software Application Programming, Technical Debt, Git, Containerization, Avro, Apache Kafka, Api Design, Software Coding, Grpc, Software Version Control, Docker - **Published:** August 22, 2026 - **Apply:** https://www.buscojobs.com.es/lead-java-developer-en-barcelona-ID-368700084 ## About the Role Proficient in developing applications with complex business logic Experienced with Java 17+, Maven, and Spring frameworks (IoC, MVC, Data, Security, Spring Boot) Knowledgeable in JPA, Hibernate, and databases such as MariaDB/PostgreSQL and MongoDB Skilled with testing tools like JUnit, JMeter, SpringTest, and code coverage tools (JaCoCo, Mutation Tests) Competent in version control using Git Versed in Kafka, Avro, and Schema Registry Following an API-first approach using OpenAPI Familiar with monitoring and security tools like Grafana, SonarQ, and Snyk Experienced with OLAP systems and containerization tools such as OpenShift and Docker Knowledgeable about authentication and authorization methods, including OAuth and RBAC/ABAC Applying principles of hexagonal architecture Familiar with Redis, gRPC, and Argo CD Equipped with strong communication and presentation skills Effective in conveying concepts and guidelines to development teams and stakeholders Fluent in English at an Upper-Intermediate level Fluent in Spanish for daily communication with the client and stakeholders ## Description About the roleOur client is a top fashion retailer in the world, selling in more than 200 markets online and in over 90 markets offline.ResponsibilitiesOversee the technical aspects of the product and drive strategic initiatives to enhance the solution over timeLead and manage the technical development team, serving as the primary technical authorityCollaborate with the Product Owner to define and prioritize the technical aspects of the product backlog and requirementsEnsure technical excellence and success of delivered solutionsEngage in hands-on coding to address complex issues within the system under developmentAct as a primary expert on technological architecture, contributing to its continuous development and enhancementEnsure the solution adheres to the established architecture and is consistently updated to the latest versionsMonitor and ensure smooth application performance in the production environment, proactively resolving user-reported incidentsFacilitate continuous deployment processes, adhering to rigorous testing protocols including unit, functional, and regression testsProvide technical support and guidance to align with the overarching architectureAssist in deploying functionalities across various environmentsManage technical debt and drive its prioritization within development cyclesWork with service-oriented architecture and develop complex business solutionsCollaborate closely with the customer, including participating in business tripsAdvocate for and mentor team members on best practices to ensure high-quality outcomesIdentify and eliminate technical obstacles, fostering an environment of continuous improvementRequirementsProficient in developing applications with complex business logicExperienced with Java 17+, Maven, and Spring frameworks (IoC, MVC, Data, Security, Spring Boot)Knowledgeable in JPA, Hibernate, and databases such as MariaDB/PostgreSQL and MongoDBSkilled with testing tools like JUnit, JMeter, SpringTest, and code coverage tools (JaCoCo, Mutation Tests)Competent in version control using GitVersed in Kafka, Avro, and Schema RegistryFollowing an API-first approach using OpenAPIFamiliar with monitoring and security tools like Grafana, SonarQ, and SnykExperienced with OLAP systems and containerization tools such as OpenShift and DockerKnowledgeable about authentication and authorization methods, including OAuth and RBAC/ABACApplying principles of hexagonal architectureFamiliar with Redis, gRPC, and Argo CDEquipped with strong communication and presentation skillsEffective in conveying concepts and guidelines to development teams and stakeholdersFluent in English at an Upper-Intermediate levelFluent in Spanish for daily communication with the client and stakeholdersSoftServe is an equal opportunity employer.Qualified applicants will receive consideration regardless of race, color, ancestry, ethnicity, national origin, religion, sex, sexual orientation, gender identity or expression, age, citizenship, disability, health condition, marital or family status, veteran status, or any other characteristic protected by applicable law. ## 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