Java Developer

Role Overview

• Join the development team, taking ownership of work items for each Sprint.
• Perform software development activities in a multidisciplinary manner, focusing on product quality and maintainability, including requirements, analysis and design, coding, configuration management, testing, and deployment.
• Manage your own work and promptly notify the team of any delays or other impediments.

Requirements

• Bachelor’s degree in one of the following areas: Systems Analysis, Computer Science, Data Processing, Information Systems, Informatics, Computer Engineering, or other Information Technology fields; or a bachelor’s degree in any field with a specialization in Information Technology.
• Oracle Certified Professional – Java SE Programmer (version 5 or higher).
• CSD – Certified Scrum Developer.
• PSD – Professional Scrum Developer.
• Knowledge and experience in the development of financial systems.
• Principles and practices of agile software development, including the Agile Manifesto, Scrum, Extreme Programming (XP) and Kanban.
• Knowledge of continuous integration and continuous delivery and DevOps practices.
• Experience with continuous integration tools: Jenkins, Sonar, Maven, Nexus, Azure DevOps Services (ADS).
• Knowledge and experience in Configuration and Change Management using ClearCase, SVN and Git.
• Analysis and specification of functional, non-functional and agile requirements.
• Design patterns and programming best practices.
• Enterprise systems integration.
• Microservices architecture and development: tracing, APIs, fault tolerance, metrics, health checks.
• Development with Docker containers and Kubernetes.
• Migration of monolithic systems to microservices.
• Relational data modeling.
• Layered application architecture and MVC pattern.
• Responsive interfaces.
• System integration: Messaging, JMS, Web services, Service Bus (WebSphere Message Broker), REST, SOA, EJB 3.
• Design patterns (enterprise integration patterns, design patterns, SOA, microservices patterns).
• Responsive interfaces and Progressive Web Apps (PWA).
• Java SWING application programming.
• Continuous integration (CI), Jenkins, test-driven development (TDD), acceptance test-driven development (ATDD), specification by example, refactoring, continuous delivery (CD).
• JavaScript, ECMAScript 5 and 6+, Ajax, jQuery, AngularJS 1.5+, Angular 5+, Bootstrap 3+, HTML5, CSS3; ASP and .NET.
• User Experience (UX) and usability concepts.
• Software testing: unit, integration, system/functional, acceptance, load, performance, vulnerability, usability, accessibility. Test automation. Knowledge of JUnit 3 or higher. Knowledge of Selenium WebDriver 2.4 or higher. Knowledge of JMeter 2 or higher.
• Building simulators such as mocks/stubs for interface simulation and virtualization.
• Java for Web programming: JEE 5 or higher, JSE 5 or higher, MicroProfile 3 or higher, Java 8 or higher, Apache Velocity 1.6.x or higher and Spring 3.x or higher.
• Java for Web programming: JEE 6 or higher, JSE 5 or higher, JSF 2.x, JPA 2 and Struts 1.x; Clicksign 982e0c61-cbdf-4f08-99a1-c65a43aec050 ARP Nº 161/2025 SICLG 61193 LC 210/2024
• CECOT 85/137.
• Application servers: JBoss 4.2.3 or higher, WebSphere 8 or higher, Liberty 17 or higher, and Quarkus framework.
• Multi-tenancy application architecture.
• Linux operating system; static code analysis with SonarQube.
• Refactoring of web applications with emphasis on migrating rules from the front-end to the back-end.
• Reverse engineering.
• Transaction management using Container-Managed Transactions (CMT).
• Building database queries using SQL.
• IDEs: Eclipse and Visual Studio Code; Ant and Apache Maven. Programming skills in MUMPS language.
• Database skills: InterSystems Caché 2010.2 or higher.
• Knowledge of the OPENVMS and/or Linux platform.
• Desirable: experience with CICS access interfaces, CICS/WEB, Broker, MQ Series, SOAP, API.
• Programming skills in Delphi 5 or higher; three-tier application architecture and MVC pattern.
• Programming skills in Enterprise PowerBuilder.
• Development of solutions for UNIX-like systems.
• Experience developing with message routing using the ISO 8583 standard (ISO 8583:1987).
• Development in financial technologies: J/XFS (CWA and FDI): CWA-13937:2000 and FDI 2.1.3b or higher, integrating peripherals such as encrypted PinPad (EMV chip and magnetic stripe card, PIN keypad and display), receipt/authentication printers, scanners with CMC7 and barcode reading and smartcards.
• Experience developing with cryptography.

Tech Stack

• Angular
• Apache
• Azure
• Bootstrap
• Delphi
• Docker
• Java
• JavaScript
• Jenkins
• JMeter
• jQuery
• JUnit
• Kubernetes
• Linux
• Maven
• Microservices
• Oracle
• Selenium
• SOAP
• Spring
• SQL
• Subversion
• Unix
• .NET

Benefits

• Health plan
• Dental plan
• Life insurance – Porto Seguro
• Meal allowance or food allowance
• Transportation voucher: provided to the employee for the home–work–home commute; a monthly deduction of 6% of the salary will be applied, limited to the value of the benefit (optional).
• Day off: the employee will receive a day off for their birthday, to be taken on the birthday date and/or within the birthday month.
• Wellhub / Totalpass
• PetLove partner program
• Zenklub
• Partnerships and agreements (educational institutions, gyms, language schools, and others)