Java Engineer

We are seeking an experienced Senior Java Engineer to design, build, and maintain scalable payment solutions within a modern software environment. This role is based in Spain and offers the opportunity to contribute to high-impact microservices, participate in architectural decisions, and collaborate with cross-functional teams., * Design, develop, maintain, and support scalable payment solutions and backend microservices.

• Participate in architectural discussions and contribute to technical solution design with architects, analysts, and engineering teams.
• Collaborate with frontend developers, testers, business analysts, and other specialists within Agile Scrum teams.
• Engage with stakeholders to understand business challenges and translate requirements into effective technical solutions.
• Create and execute Proof of Concepts (PoCs) when required to validate technical approaches.
• Investigate, troubleshoot, and resolve production incidents and application performance issues.
• Participate actively in Scrum ceremonies, including planning, estimations, progress reporting, and team discussions.
• Ensure software delivery meets quality standards, technical requirements, and project timelines.
• Identify opportunities to improve application usability, efficiency, reliability, and maintainability.
• Support other developers, contribute to multiple projects, and provide assistance during critical business periods through team rotations.

• 5+ years of professional experience developing Java applications across diverse software projects.
• Bachelor's degree or equivalent qualification in computer science, software engineering, or a related field.
• Strong proficiency in Java 11+, Spring Framework, and SQL, with preference for MySQL experience.
• Experience with Java-based ORM technologies, particularly JPA and Hibernate.
• Strong knowledge of designing and implementing RESTful APIs and web services.
• Solid understanding of Java concurrency, multithreading, and JVM fundamentals.
• Experience working with Maven, Linux environments, and software development best practices.
• Knowledge of asynchronous messaging systems, especially Kafka.
• Experience with CI/CD tools and automation platforms such as GitLab.
• Ability to develop high-quality, reliable, and maintainable software solutions.
• Experience working in Agile environments, particularly Scrum methodologies.
• Ability to monitor, troubleshoot, and optimize Java applications in production environments.
• Strong analytical thinking, problem-solving abilities, and attention to detail.
• Ability to work effectively under pressure and meet deadlines.
• Excellent English communication skills, both written and verbal., * Experience building high-volume, highly transactional distributed server applications.
• Familiarity with distributed caching technologies such as Hazelcast or Redis.
• Practical experience with Docker and Kubernetes.
• Knowledge of the Quarkus framework.
• Experience developing back-office applications using JavaScript frameworks such as React or Angular.
• Previous experience in payments, online gaming, or other transaction-heavy industries.

• Opportunity to work on innovative payment technology and large-scale software solutions.
• Collaborative and inclusive engineering culture where ownership and responsibility are shared.
• Agile working environment where ideas, experimentation, and continuous improvement are encouraged.
• Access to ongoing training, mentoring, and professional development opportunities.
• Possibility to work on diverse projects and expand technical expertise.
• Supportive environment focused on learning from challenges and improving processes.
• Potential opportunities for professional travel.
• Opportunity to contribute to a global and geographically distributed engineering team.

full_time

Organization Jobgether