Descripción del puesto

Role Summary:

We are seeking an experienced Senior Java Developer with strong expertise in payment systems and banking API integration. The successful candidate will design and build mission-critical services that power our financial infrastructure including digital wallets, real-time settlements, reconciliation processes, and bank connectivity. You will collaborate closely with product compliance, and DevOps teams to ensure high availability, performance, and regulatory compliance across our platform.

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• Design, develop, and maintain high-performance Java microservices for payment processing and financial transactions. Integrate with banking APIs, PSPs, and payment gateways (e.g., SWIFT, FPS, SEPA, VISA/MASTERCARD, or local clearing systems).
• Implement secure payment and settlement flows, including authorization, posting, reconciliation, and refund logic.
• Work with event-driven architecture using Kafka and apply event-sourcing design patterns where appropriate.
• Ensure data integrity and transactional consistency across multiple systems (PostgreSQL, message brokers, and external APIs).
• Build and maintain RESTful APIs and WebSocket services; implement gRPC integrations when needed.
• Collaborate with DevOps engineers on containerization (Docker), orchestration (Kubernetes), and CI/CD pipelines.
• Participate in code reviews, testing, and monitoring improvements to ensure system stability and scalability.
• Support compliance with security and regulatory requirements, including PCI-DSS, KYC/AML, and Open Banking standards

Requisitos

• 8+ years’ experience in Core Java for enterprise application development, with strong knowledge of Spring Boot, Spring Cloud, and event sourcing.
• Proficient in Kafka, JPA/MyBatis/Hibernate, Maven, and PostgreSQL (schema design, query optimization, data migration).
• Hands-on experience building RESTful APIs, WebSocket services, and familiarity with gRPC, Docker, Kubernetes, and microservice architectures.
• Skilled in JUnit 5, Mockito, and writing maintainable test suites.
• Good understanding of Git, CI/CD pipelines, and OAuth 2.0/OpenID Connect.
• Experience in financial systems, banking integrations, or payment platforms is highly valued; knowledge of double-entry accounting or reconciliation is a plus.
• Exposure to cloud platforms (AWS, GCP, or Azure) and contribution to open-source projects is an advantage.
• Strong analytical, problem-solving, and communication skills, with a commitment to clean code, testing, and continuous improvement.
• Self-motivated, detail-oriented, and able to work independently or collaboratively in a fast-paced environment.
• Bachelor’s degree in computer science, Software Engineering, or related discipline; fluent in English (spoken and written).

Beneficios

• Full-time employment with a formal contract.
• Competitive salary and performance-based annual bonus.
• Opportunity to grow within a global fintech leader.