Tech Lead leading modernization of federal tax collection systems at Minsait. Innovating through technology in a hybrid work environment based in São Paulo.
Responsibilities
Modernize and enhance the federal tax collection service for banking clients.
Enable payment of federal taxes and fees (Receita Federal) through multiple channels, including: digital channels, APIs, and supplier payment files.
Requirements gathering.
Technical refinement.
Architecture design.
Development.
Testing and approval with the Receita Federal.
Deploy to environments: Certification, Pre-production, Production.
Post-deployment monitoring and support.
Requirements
Strong knowledge of AWS Cloud.
Java 17 or higher.
Minimum of 10 years in Java development projects.
Deep knowledge of design patterns, systems architecture, and software development best practices.
Concurrent programming and multithreading for performance optimization and scalability.
Advanced Java APIs, including Java Streams, Lambda expressions, and the Java Collections Framework.
Secure coding principles, cryptography, and application authentication.
Frameworks and tools: Spring / Spring Boot, Apache Maven, JUnit, Mockito (unit testing).
Continuous integration and CI/CD with: Fastlane, Jenkins, Sonar, Bitrise, Git.
Agile methodology.
Kubernetes, AKS or AWS.
Relational and NoSQL databases.
Applied software engineering.
Event-driven programming (Kafka, Event Hub).
Site Reliability Engineering (SRE), APM and logging.
Design patterns, anti-patterns, and SOLID principles.
Hexagonal Architecture and Clean Architecture.
Microservices and market-standard services: RESTful APIs, authentication and authorization, monitoring.
Benefits
Company-subsidized health insurance for the employee.
Option to include dependents on the health plan with payroll-deducted contributions.
Dental care (optional).
Option to include dependents on the dental plan with payroll-deducted contributions.
Meal allowance or food voucher.
Commuter benefit (optional).
Impact & Care - Personal support 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 BRL 29.90 deducted via payroll).
Option to include dependents in Gympass - Wellhub (up to 3 dependents - paid via credit card).
Access to Udemy via our intranet.
Partnerships with major consumer brands.
Agreement with SESC for the employee and dependents.
Discount agreements with educational institutions (undergraduate and postgraduate) and language schools/certification bodies.
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