Senior Java Developer – Clearing System

This is a fully remote position, open to applicants in Brazil.

📋 Description

• Engage in a fast-paced, high-stakes environment that handles a significant volume of transactions.

• Play a vital role in enhancing the performance, security, and scalability of solutions critical to the organization.

• Develop and maintain robust systems that are intricately linked to the payments ecosystem.

⛳️ Requirements

• Demonstrated experience with Backend / Core technologies: Java Core (JDK 21+);

• Proficient in the Spring Framework (Spring Boot and Spring Batch);

• Skilled in developing high-volume applications and managing batch processes;

• Experience in concurrent programming (multithreading, parallelism);

• Knowledge of distributed and scalable system architectures;

• Familiarity with concurrency control, idempotency, and parallel processing techniques;

• Ability to build resilient and fault-tolerant systems;

• Expertise in Cloud & Infrastructure: Cloud computing (Kubernetes, AWS, Azure, GCP);

• Proficient with containers (Docker, DockerHub);

• Experience using Redis as a distributed caching solution to facilitate high-volume processing;

• Familiarity with messaging systems (Kafka, RabbitMQ);

• Proficient in Databases: RDBMS (SQL Server, Oracle, PostgreSQL, or similar);

• Expertise in data modeling for high-volume datasets and ensuring transactional consistency;

• Ability in query optimization and processing large-scale data;

• Experience in financial processing, including clearing systems, reconciliation, and financial settlement;

• Familiarity with integrating card schemes and financial systems;

• Experience in high-volume transaction processing (both batch and event-driven);

• Proficient in Integration & Data: Experience with ingesting and processing files and events;

• Skilled in integrating with external systems and financial APIs;

• Experience in asynchronous processing and creating data pipelines;

• Knowledge of security best practices for financial systems;

• Familiar with tools: Git; Maven for dependency management; Jira or equivalent; Java IDEs (IntelliJ, Eclipse);

• Proficient in technical English for reading documentation (card schemes and technical materials).

🏝️ Benefits

• Flexible work arrangements

• Professional development opportunities