Hybrid Java Developer – Senior

at Minsait

• Job title: Java Developer – Senior
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: AWS, Azure, Cloud, DynamoDB, Hibernate, Java, Jenkins, Kafka, MongoDB, NoSQL, OpenShift, Oracle, RabbitMQ, Redis, SOAP, Spring, Spring Boot, SpringBoot
• Location requirements: Hybrid, Sao Paulo, Brazil

About the role

• Java Developer focusing on fraud prevention solutions at Minsait. Collaborating with tech leads on solution designs and incident response.

Responsibilities

• Participate in the development team for fraud prevention solutions, supporting technical leads in solution definition and design.
• Work with resilience and under pressure, ensuring consistent deliveries.
• Support the production support team in responding to production incidents.
• Conduct security failure investigations and identify vulnerabilities.

Requirements

• Strong experience in Java development.
• Integration with backend services (API/REST).
• Microservices development.
• Proficiency in frameworks such as Spring, Spring Boot, Hibernate or equivalents.
• Integration with SOAP and REST services (client and server).
• Messaging via MQ (RabbitMQ, Kafka, etc.).
• Knowledge of design patterns and architectural patterns.
• Experience with databases: Oracle, Redis, MongoDB, NoSQL, DocumentDB, DynamoDB.
• Experience with Cloud services (AWS, Azure, OpenShift).
• Familiarity with DevOps pipelines (CI/CD) — Jenkins, GitLab, GitHub, GitHub Actions.

Benefits

• Company-subsidized health insurance for the employee.
• Option to include dependents in the health plan with payroll deduction.
• Dental care (optional).
• Option to include dependents in the dental plan with payroll deduction.
• Meal voucher or food allowance.
• Transportation voucher (optional).
• Impact & Care - Personal Guidance Program offering 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, payable via payroll deduction).
• Option to include dependents in Gympass - Wellhub (up to 3 dependents - paid via credit card).
• Access to Udemy through our intranet.
• Partnerships with major consumer brands.
• SESC partnership for employee and dependents.
• Discount agreements with educational institutions (undergraduate and postgraduate) and language schools/certification bodies.
• Group life insurance.