Senior Java Developer – Clearing System

Job not on LinkedIn

🕒 March 24

🗣️🇧🇷🇵🇹 Portuguese Required

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Logo of AM53 Smart Solutions

AM53 Smart Solutions

11 - 50 employees

Founded 2010

💳 Fintech

🤝 B2B

🏢 Enterprise

Fintech • B2B • Enterprise

AM53 Smart Solutions is a consultancy and solutions provider focused on optimizing processes and productivity for the payments market. The company offers technical and business analysis, Business Intelligence strategy and implementation, custom application development, and specialized services around Verifone PAYware CMS (issuance and acquiring). AM53 also provides HR recruitment services for technology professionals and delivers integration products and connectors for payment systems.

📋 Description

• Work in a dynamic, high-criticality environment with a large volume of transactions. • Contribute to the performance, security, and scalability of solutions that are essential to the business. • Work on robust systems directly connected to the payments ecosystem.

🎯 Requirements

• Proven experience with Backend / Core: Java Core (JDK 21+); • Spring Framework (Spring Boot and Spring Batch); • Developing high-volume applications and batch processing; • Concurrent programming (multithreading, parallelism); • Distributed and scalable systems; • Concurrency control, idempotency, and parallel processing; • Building resilient, fault-tolerant systems; • Cloud & Infrastructure: Cloud computing (Kubernetes, AWS, Azure, GCP); • Containers (Docker, DockerHub); • Use of Redis as a distributed cache to support high-volume processing; • Experience with messaging systems (Kafka, RabbitMQ); • Databases: RDBMS (SQL Server, Oracle, PostgreSQL or similar); • Data modeling for high-volume datasets and transactional consistency; • Query optimization and large-scale data processing; • Financial processing: Experience with clearing systems, reconciliation, and financial settlement; • Integration with card schemes and financial systems; • High-volume transaction processing (batch and/or event-driven); • Integration & Data: Experience with ingesting and processing files and events; • Integration with external systems and financial APIs; • Asynchronous processing and data pipelines; • Security: Security best practices for financial systems; • Tools: Git; Maven for dependency management; Jira or equivalent; Java IDEs (IntelliJ, Eclipse); • Language: Technical English for reading documentation (card schemes and technical materials).

🏖️ Benefits

• Flexible work arrangements • Professional development opportunities

Apply Now

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