Senior Java Developer

We are seeking an experienced Senior Java Developer with a strong background in building distributed, high-performance applications. You will be part of a collaborative engineering team responsible for designing, developing, and maintaining mission-critical systems in the payments and financial services domain.

This role is ideal for someone passionate about modern Java development, microservices, distributed systems, and event-driven architectures. You will play a key role in evolving our platforms to be scalable, resilient, and secure, while contributing to engineering best practices and innovation.

Key Responsibilities

• Develop and maintain enterprise applications with Java (SE/EE, JDK 8–17).
• Design microservices and distributed systems (CQRS, event sourcing, Akka).
• Build and document RESTful APIs (Jersey, Swagger/OpenAPI).
• Contribute to CI/CD pipelines (Jenkins, Maven, Bitbucket) and containerized deployments (Docker, Kubernetes).
• Optimize applications for scalability, performance, and security.
• Collaborate in design reviews, mentoring, and agile teamwork.
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Required Qualifications

• 5+ years of professional software development experience.
• Strong expertise in Java SE/Java EE and modern Java frameworks.
• Hands-on experience with Maven, Hibernate, EJB 3.1, MQ technologies, SQL, and relational databases (Oracle, PostgreSQL).
• Deep knowledge of Application Servers (WebSphere, WebLogic, JBoss).
• Experience with reactive distributed programming (e.g., Akka).
• Strong knowledge of Linux environments.
• Familiarity with CI/CD pipelines and automated testing.
• Excellent problem-solving, collaboration, and time management skills.

Nice to Have

• Payment systems expertise: fraud detection, charges, FX, microservices in financial contexts.
• Knowledge of Kafka, ActiveMQ, or other messaging platforms.
• Exposure to OAuth2, secure coding practices, BPMN 2.0.
• Experience with NoSQL databases (Cassandra, MongoDB), ElasticSearch, or OSGi.
• Familiarity with Splunk/ELK/Graylog for monitoring/logging.
• Cloud experience: Azure, AWS, or GCP (IaaS).
• Knowledge of JIRA, Bitbucket, and Agile methodologies.

What We Offer

• Opportunity to work on cutting-edge distributed systems in the payments/fintech industry.
• A culture that values engineering excellence, innovation, and teamwork.
• Flexible working arrangements (remote/hybrid options).
• Professional development support, certifications, and learning opportunities.

If you’re a passionate Java expert with a strong interest in distributed systems and payments, we’d love to hear from you!