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Minsait

Senior Java FullStack Developer

Minsait

Senior Java Full Stack Developer at Minsait. Responsible for developing and maintaining complex corporate systems across various sectors.

Posted 7/10/2026full-timeBrasília • 🇧🇷 BrazilSeniorWebsite

Tech Stack

Tools & technologies
AngularJavaKafkaMavenSpringSQL

About the role

Key responsibilities & impact
  • Develop, maintain, and evolve backend applications using Java, ensuring high performance, scalability, and security.
  • Work on the development and maintenance of highly complex corporate systems, especially in critical environments.
  • Develop and consume REST APIs for system integration.
  • Integrate legacy systems with modern architectures, supporting technology modernization efforts.
  • Develop and maintain frontend applications using Angular (2+) and Microfrontend architectures.
  • Implement messaging and data streaming solutions using JMS and Kafka.
  • Model, develop, and optimize SQL queries, stored procedures, and relational database structures.
  • Ensure code quality through application of development best practices, design patterns, and static analysis tools.
  • Work with application servers such as WebSphere, JBoss, and WildFly.
  • Participate in continuous integration and versioning processes using DevOps tools.
  • Collaborate with multidisciplinary teams using agile methodologies (Scrum and Kanban), contributing to the continuous evolution of products.
  • Identify opportunities for improvement, performance optimization, and application modernization.

Requirements

What you’ll need
  • Senior experience in Full Stack Java development (minimum 7 years).
  • Strong experience with Java, EJB, and JPA.
  • Experience developing REST APIs.
  • Knowledge of Angular (2+) and Microfrontends development.
  • Experience integrating legacy systems with modern architectures.
  • Experience with messaging using JMS and Kafka.
  • Proficient in relational databases, SQL, data modeling, query optimization, and stored procedures.
  • Experience with Maven.
  • Code versioning using Git (Bitbucket).
  • Knowledge of Sonar and Swagger.
  • Experience with application servers WebSphere, JBoss, and WildFly.
  • Experience working with agile methodologies (Scrum and Kanban).
  • Use of Jira for task management.
  • Spring framework.
  • Knowledge of design patterns and software development best practices.

Benefits

Comp & perks
  • Company-subsidized Health Plan for the employee.
  • Option to include dependents on the Health Plan with payroll deduction.
  • Dental assistance (optional).
  • Option to include dependents on the Dental Plan with payroll deduction.
  • Meal Allowance or Food Voucher.
  • Transportation Voucher (optional).
  • Impact & Care - Personal Guidance Program providing confidential emotional support and counseling in psychological, legal, financial, social, and pet-related areas at no cost for the employee and legal dependents.
  • Gympass - Wellhub (Access to over 700 gyms across Brazil with plans starting at R$29.90 deducted via payroll).
  • Option to include dependents on Gympass - Wellhub (up to 3 dependents - paid via credit card).
  • Access to Udemy through our intranet.
  • Partnerships with major consumer brands.
  • Agreement with SESC for employee and dependents.
  • Agreements for discounts with educational institutions (undergraduate and graduate) and language/certification schools.
  • Group life insurance.

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Hard Skills & Tools
JavaEJBJPASQLData ModelingQuery OptimizationStored ProceduresMavenSpring FrameworkDesign Patterns