Pessoa Desenvolvedora Java Fullstack - Sênior (Reforma tributária)

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Pessoa Desenvolvedora Java Fullstack - Sênior (Reforma tributária) in Brazil.

This role is focused on designing, evolving, and modernizing complex financial systems within a highly scalable and mission-critical environment. You will work across backend and frontend layers, contributing to the transformation of legacy solutions into modern, resilient architectures aligned with current market standards. Embedded in a collaborative and technically strong engineering team, you will play a key role in defining architectural decisions, improving system performance, and ensuring high levels of reliability and security. The position involves working with distributed systems, financial products, and integration-heavy environments, requiring strong technical depth and business awareness. You will also contribute to technical leadership, mentoring, and documentation practices, helping elevate engineering standards across teams. This is a high-impact role for experienced engineers who enjoy solving complex problems and driving technological evolution in the financial sector.

• Design, develop, and maintain scalable fullstack solutions using Java and modern frontend technologies.
• Lead and support the migration of legacy systems to modern, scalable, and resilient architectures.
• Contribute to architectural design decisions in collaboration with senior engineers and technical leads.
• Develop and maintain backend services using Spring ecosystem (Boot, Cloud, Security, JPA/Hibernate).
• Build frontend applications using modern frameworks such as React or Vue, ensuring performance and usability.
• Ensure system quality through testing, validation, and simulation of production-like environments.
• Work with distributed systems, microservices, and asynchronous communication patterns.
• Create and maintain technical documentation, architecture diagrams, and knowledge bases.
• Monitor systems and propose continuous improvements in performance, reliability, and scalability.
• Act as a technical reference for the team, supporting decision-making and guiding best practices.
• Collaborate with cross-functional teams and support agile delivery processes.

Requirements:

• Strong experience in Java backend development (7+ years preferred).
• Deep knowledge of the Spring ecosystem (Boot, Cloud, Security, JPA/Hibernate).
• Experience with microservices architecture and scalable distributed systems.
• Solid experience with relational databases (PostgreSQL, MySQL, SQL Server) and NoSQL (MongoDB, Redis).
• Experience with messaging and asynchronous systems (Kafka, RabbitMQ).
• Strong background in CI/CD pipelines (Azure DevOps, GitHub Actions).
• Frontend experience with HTML5, CSS3, JavaScript (ES6+), and TypeScript.
• Experience with SPA frameworks such as React or Vue.
• Knowledge of REST APIs with authentication (JWT / Bearer Token).
• Familiarity with testing frameworks (Jest, Vitest, Testing Library).
• Experience with Docker and basic Kubernetes concepts.
• Strong communication skills and ability to work in multidisciplinary teams.
• Experience in financial products or regulated environments is a plus.
• Nice to have: experience with micro frontends (Module Federation), Apache Camel, and advanced DevOps practices.
• Nice to have: postgraduate studies in technology-related fields.

Benefits:

• Competitive compensation aligned with senior-level market standards.
• Health and dental insurance coverage for employees and dependents.
• Life insurance and private pension plan with company contribution.
• Meal and food allowance.
• Home office or hybrid support allowance.
• Childcare or babysitting reimbursement support.
• Mobility allowance for transportation expenses.
• Performance-based profit sharing program (PPR).
• Wellness benefits including Gympass, mental health platform (Zenklub), and English learning support.
• Extended maternity (180 days) and paternity leave (20 days).
• Birthday day off and additional family celebration leave benefits.
• Strong culture of collaboration, inclusion, and cooperative growth.