Mid-Level Java Developer

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

📋 Description

• Develop comprehensive solutions (both new and existing), choosing frameworks, components, and architectural patterns that align with business requirements.

• Collaborate closely with development teams to ensure adherence to design patterns, engineering best practices, and code quality standards (including clean code and SonarQube).

• Create architectures capable of handling high transaction volumes (thousands of transactions per second and millions daily), while ensuring low latency and resilience.

• Assess and validate functional and non-functional requirements with clients and stakeholders, translating them into technical artifacts for software engineering.

• Integrate core systems (core banking/mainframe) with banking peripherals, messaging queues, and distributed cloud services.

• Regularly review technical deliverables to confirm that the implemented code aligns with the approved architectural design.

⛳️ Requirements

• Extensive hands-on experience as a Software Architect or Technical Specialist in complex ecosystems.

• Proficiency in MVC architecture, microservices, RESTful API design, multi-tenancy, and design patterns (GoF and enterprise).

• Design and implement solutions utilizing Docker/containers.

• Strong background with Java EE 5+, Java SE 6+, Spring Framework (including Spring XML configuration), JPA 2, and EJB 3.

• Experience with or knowledge of Java Swing, JSF, and Apache Velocity.

• Comprehensive understanding of distributed transactions (CMT/BMT) and batch processing.

• Expertise in JMS, IBM MQ (WebSphere MQ), and/or IBM App Connect / WebSphere Message Broker.

• Familiarity with XML messaging, REST services, and financial transaction protocols, particularly ISO 8583 (1987 version).

• Experience in integrating banking peripherals and automation systems: practical knowledge of J/XFS standards (CWA-13937 / FDI 2.1.3b+) and integration with EMV-compliant cryptographic PIN pads, authentication printers, CMC7/barcode readers and scanners, and smart cards.

• Solid experience with IBM DB2, relational modeling, and optimization of complex SQL queries.

• Hands-on experience in configuring and conducting static code quality analysis using SonarQube.

• Knowledge of public or private cloud architecture, along with an understanding of Linux environment administration and operations.

• Familiarity with HTML5, CSS, Bootstrap, JavaScript, jQuery, AJAX, Angular, and PWA architectures.

• Basic familiarity with additional technologies, including ASP.NET.

• Basic understanding of integration with mainframe environments (COBOL/CICS).

• Experience with Agile methodologies, particularly Scrum and Kanban processes (preferred).

🏝️ Benefits

• Meal allowance and/or food voucher.

• Health and dental insurance.

• Health insurance for your pet.

• Home office allowance (for remote positions).

• Welcome kit during onboarding.

• Life insurance.

• Zenklub, offering psychological and nutritional support.

• TotalPass.

• Certification and Continuous Learning Program with partners (Adobe, Anthropic, AWS, Google, Microsoft, Salesforce).

• Partnerships and discounts to enhance your professional development.

• Access to UOL content.

• Maternity kit.

• Extended maternity and paternity leave.

• Employee referral program.