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.
Senior Java Developer – Switch, Transactional Acquirer Authorizer
Job not on LinkedIn
🕒 March 24
🗣️🇧🇷🇵🇹 Portuguese Required
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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, high-transaction environment • Contribute to the performance, security, and scalability of solutions • Work on projects that impact thousands of daily transactions
🎯 Requirements
• Proven experience with Backend / Core Java (JDK 21+) • Development of high-performance, low-latency applications • Concurrent programming (multithreading, parallelism) • Distributed and scalable systems • Concurrency control, idempotency, and parallel processing • Development of resilient, fault-tolerant systems • Cloud Computing (OpenShift, AWS, Azure, GCP) • Containers (Docker, DockerHub) • Use of Redis as a distributed cache • Experience with messaging systems (Kafka, RabbitMQ) • RDBMS databases (SQL Server, Oracle or similar) • NoSQL (Cassandra or others) • Knowledge of card authorization systems (ESSENTIAL) • Experience with the ISO8583 protocol • Integration with capture networks, authorization networks, and risk systems • Knowledge of cryptography applied to payment methods • Tools: Git, Jira, Java IDEs (IntelliJ, Eclipse) • Technical English
🏖️ Benefits
• Flexible working arrangements • Opportunities for professional development
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