Java Developer (EE/JSF)

Description

We are looking for a highly motivated and experienced Java Developer to join our technology team. The ideal candidate will have a proven track record of success in development projects, as well as strong communication and teamwork collaboration skills. Work Mode: Remote Project: Core development and maintenance of solutions. **Key Responsibilities:** * Develop secure, high-performance, and scalable APIs. * Build and maintain critical batch routines and core integrations. * Integrate solutions with databases and internal/external services. * Work in cloud environments and CI/CD pipelines. * Participate in **architecture**, technical decision-making, and solution discussions. * Validate requirements and ensure quality throughout the delivery lifecycle. * Ensure **quality, acceptance criteria**, and requirement validation. * Actively participate in code reviews, technical improvements, and best practices. **Requirements:** * Proven experience in software development; * WAS (WebSphere Application Server) * Proficiency in Java programming language, Java EE, and knowledge of JSF * Knowledge of Application Servers (e.g., WebSphere, JBoss) * Service Development (REST and Soap\-UI) * Experience with structured databases (PostgreSQL, Oracle, or SQL Server); * Experience with integration solutions, preferably APIs; * Experience with unit, integration, and performance testing; * Proficiency in Relational and Dimensional Data Modeling; * Strong knowledge of **SQL queries**, tuning, and backend integrations. * Proficiency in Solution Modeling, considering layer abstractions and technologies; * Proficiency in CASE tools for data modeling; * Desired experience with Azure / AWS; * Knowledge of Infrastructure, Networking, Firewalls, and Servers; * Knowledge of Agile methodologies (SAFe); * General knowledge of **Infrastructure, Networking, Firewalls, and Servers**. * Ability to **model solutions**, defining layers, abstractions, and technologies. **Practical Testing Skills** * Requirement validation and communication of inconsistencies * Quality, acceptance criteria, and best practices * Deliver complete features from backend to frontend * Develop robust and secure APIs * Create functional UI screens * Create and maintain Java batch jobs * Integrate with databases * Work in cloud/CI/CD environments * Actively participate in architecture and technical decisions **Behavioral Skills (Soft Skills)** * Attention to detail and an **investigative mindset**. * Strong communication with technical teams, QA, POs, and business areas. * Organization, clarity in writing and documentation. * Proactivity in identifying risks, questions, and proposing improvements. * Collaborative work ethic and results orientation. **Bonus:** Practical use of **AI applied to development** (e.g., Kiro, Copilot, LLMs, automations). **Additional Information:** Use of **Azure DevOps** for: * Creating and tracking user stories * Recording and tracing test executions * Version control and repository integration **MJV Benefits:** TotalPass\\Wellhub; ‍‍‍‍ Group life insurance; Meal/Voucher allowance; Health and dental plan \- Bradesco; Training initiatives: lectures, forums, knowledge exchanges, and conversations related to our business. We are constantly connected to learn more — together; \+MJVer Program: an internal referral program where you refer a colleague to join us, and if the match is successful, you receive a reward. Partnerships: want discounts? We have a Workplace group where we share partnerships with educational institutions, language schools, gyms, restaurants, products, and other services;