Java Full-Stack Developer

Minsait

Java FullStack Developer at Minsait creating impactful technology solutions in public administration, telecom, and health sectors. Collaborating in agile teams to enhance system performance and security.

Posted 6/15/2026full-timeRemote • BrasilSeniorLeadWebsite

Tech Stack

Tools & technologies

AngularJavaKafkaMavenSQL

About the role

Key responsibilities & impact

Develop and maintain backend applications in Java, ensuring high performance, scalability, and security;
Build and evolve REST APIs for system integration;
Maintain and modernize legacy systems, promoting integration with more modern architectures;
Develop and enhance interfaces using Angular (2+) and microfrontends architecture;
Implement messaging and data streaming solutions using JMS and Kafka;
Model and optimize relational databases, including creating and maintaining queries and stored procedures;
Operate in critical enterprise environments, ensuring application stability and reliability;
Participate in code reviews to ensure best practices, quality, and standardization (Sonar);
Collaborate with cross-functional teams in an agile environment (Scrum/Kanban);
Support CI/CD processes and code versioning using tools such as Git and Maven;
Document APIs and services using Swagger;
Identify and resolve production issues, including troubleshooting and performance tuning.

Requirements

What you’ll need

Solid experience in Java development (minimum 7 years);
Experience with Java EE (EJB, JPA) and developing REST APIs;
Experience with system integration and distributed architectures;
Knowledge of Angular (2+) and/or microfrontends;
Experience with messaging systems (JMS, Kafka);
Strong proficiency in relational databases (SQL, modeling, query optimization, and stored procedures);
Experience with build and version control tools (Maven, Git/Bitbucket);
Experience with code quality tools (Sonar) and API documentation (Swagger);
Experience with application servers (WebSphere, JBoss, WildFly);
Experience working with agile methodologies (Scrum or Kanban);
Knowledge of Design Patterns and development best practices;

Benefits

Comp & perks

Company-subsidized health plan for the employee.
Option to include dependents in the health plan with payroll-deducted contribution.
Dental assistance (optional).
Option to include dependents in the dental plan with payroll-deducted contribution.
Meal allowance or food allowance.
Transportation allowance (optional).
Impact & Care - Personal Guidance Program offering emotional support and confidential counseling in psychological, legal, financial, social, and pet-related matters at no cost to the employee and legal dependents.
Gympass - Wellhub (Access to over 700 gyms across Brazil with plans starting at R$29.90 deducted from payroll).
Option to add dependents to Gympass - Wellhub (up to 3 dependents - paid via credit card).
Access to Udemy via our intranet.
Partnerships with major consumer brands.
SESC agreement for employee and dependents.
Discounts with educational institutions (undergraduate and postgraduate) and language/certification schools.
Group life insurance.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

JavaJava EEREST APIsAngularmicrofrontendsJMSKafkarelational databasesSQLDesign Patterns

Soft Skills

collaborationtroubleshootingperformance tuningcode reviewsagile methodologies