Middle Java Developer

• Develop high-quality software solutions for mobile payment systems using Java and Spring frameworks.
• Build, maintain, and scale microservices, ensuring compliance with our standards for scalability, availability, and performance.
• Write clean, efficient, and maintainable code, adhering to best practices in OOP, design patterns, and clean architecture.
• Ensure code quality and system reliability through comprehensive unit and integration testing.
• Collaborate with cross-functional teams to conceptualize, design, and deliver innovative features.
• Lead code reviews, mentor junior developers, and promote adherence to software development best practices.
• Effectively manage project priorities, deadlines, and deliverables within an agile framework.
• Proactively research and adopt new technologies to enhance development efficiency and system performance.

Requirements

• At least 4 years of experience with Java Development
• Advanced proficiency in Java (JDK 11 or above), including Stream API and Java Collections API.
• Deep expertise in the Spring framework, including Spring Boot, Spring JPA, Spring Security, Spring Data Rest, and Spring Reactive.
• Strong knowledge of SQL and NoSQL databases (e.g., MongoDB, CassandraDB) and database migration tools (e.g., Liquibase).
• Proficiency in microservice patterns, Docker, and Linux commands for deployment.
• Experience with ORM tools such as Spring JPA and Hibernate.
• Mastery of messaging systems (e.g., Kafka, ActiveMQ, RabbitMQ).
• Expertise in RESTful services and API development.
• Solid experience with DevOps practices, CI/CD pipelines (e.g., Jenkins), and version control systems (e.g., Git).
• Excellent communication skills in English and a high level of responsibility.

Nice-to-Have Skills:

• Familiarity with security practices (e.g., encryption, data protection) and PCI DSS standards.
• Leadership capabilities, including mentoring and code review.
• Experience with cloud services (e.g., AWS, Kubernetes) and SonarQube for code quality analysis.
• Background in the banking and fintech sectors.
• Knowledge of NFC, Java Smartcard, and experience in mobile/web development.
• Understanding of multi-tenancy, Vagrant, Terraform, Vault, and HSM services.
• Proficiency in additional programming languages and technologies (e.g., JavaScript, .NET Core).
• Experience in software architecture or solution architect roles.
• Experience with GraphQL for developing APIs.
• Familiarity with front-end technologies (e.g., Angular, Vue.js) for full-stack development capabilities.
• Knowledge of AI and machine learning integration into financial systems for fraud detection and customer insights.
• Experience with internationalization (i18n) and localization (l10n) of applications.
• Understanding of performance optimization techniques for high-traffic applications