Desenvolvedor Java com React

Firedev IT; São Paulo; Presencial; BRL 180 000 - 300 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Health insurance

Meal voucher via Ifood

Mobility allowance

WellHub gym access

Birthday credit

Educational discounts

Company equipment

Resumo da oferta

Firedev IT in São Paulo is seeking a senior Java backend engineer to develop, evolve, and support high‑quality APIs, ensuring performance and reliability across services.

You will work with Java 8/21, Spring Boot, REST APIs, and modern cloud migration strategies to AWS, collaborating with front-end and integration teams, applying CI/CD, testing, and security practices to deliver robust solutions.

Qualificações

• Solid experience with Java, including modernization to newer versions.
• Experience with modular monolith, microservices, REST APIs, and versioning.
• Knowledge of React.
• Spring/Spring Boot experience with security and validation.
• Experience with Oracle databases and performance tuning.
• Knowledge of asynchronous messaging (Kafka, RabbitMQ).
• Git, code reviews, branching strategies.
• Automated testing (JUnit/Mockito) and security tools (Sonar/Fortify).
• Linux environments and deployment/troubleshooting.
• On-prem to cloud migration, AWS exposure.

Responsabilidades

• Develop, evolve, and support Java back‑end systems with quality and performance.
• Design and implement REST/JSON APIs and integrate with services.
• Migrate on-prem applications to AWS and support migration strategy.
• Define standards for APIs, security, versioning, and tests.
• Analyze requirements, identify risks and bottlenecks for improvement.
• Ensure engineering practices: tests, code reviews, security measures.
• Contribute to CI/CD pipelines, IaC, and deployment automation.
• Troubleshoot P1/P2 incidents and perform RCA.

Conhecimentos

Java

Spring Boot

REST APIs

AWS

Linux

Git

JUnit

Kafka

RabbitMQ

Oracle

Ferramentas

Kafka

RabbitMQ

Oracle

SonarQube

Fortify

JUnit

Mockito

Descrição da oferta de emprego

Location

São Paulo - SP

Job Type

Full-time employee

Job Responsibilities

• Develop, evolve, and support Java back‑end systems (Java 8, 21) ensuring quality, stability, and performance.
• Design and implement REST/JSON APIs and integrate with internal and external services such as messaging, antifraud, reconciliation, gateways, and partners.
• Integrate services with databases and infrastructure components, ensuring transactional consistency, resilience, and observability.
• Modernize and migrate on‑premise applications to AWS, supporting legacy assessment, migration strategy, execution, and stabilization.
• Support definition and evolution of standards (APIs, security, versioning, coding guidelines, code review guidelines, unit and integration tests).
• Perform technical analysis, refinement, and decomposition of requirements, identifying risks, dependencies, bottlenecks, and improvement opportunities (performance, cost, reliability).
• Ensure engineering practices: automated testing (unit/integration/contract), code review, quality and vulnerability mitigation (Sonar, Fortify), and security (SAST/DAST when applicable).
• Contribute to CI/CD (pipelines, versioning, releases, rollback, feature flags), infrastructure as code, and deployment automation.
• Troubleshoot and resolve P1/P2 incidents, conducting root cause analysis (RCA) and implementing preventive actions.

Qualifications and Requirements

• Solid experience with Java (preferably Java 8 with experience in modernization to Java 21 / 25).
• Experience with service architecture (modular monolith, microservices), REST APIs, integration patterns, and versioning.
• Knowledge and experience with React.
• Hands‑on with Spring/Spring Boot, including security, validation, serialization, configuration, and dependency management.
• Experience with Oracle databases (modeling, optimization, indexing, troubleshooting).
• Knowledge of asynchronous communication (Kafka, RabbitMQ) with idempotency and resilient processing.
• Practices in Git, code review, branching strategy, and conflict resolution.
• Experience with automated testing (JUnit, Mockito, integration tests) and quality/security tools (Sonar, Fortify).
• Experience in Linux environments (e.g., RedHat), including deployment, log analysis, troubleshooting, and performance monitoring.
• Experience with on‑premise environments and migration strategy to cloud.
• Experience with AWS or cloud migration, adapting applications to managed services.
• Advanced English for communication.

Benefits

• Fully subsidized health and dental coverage.
• Flexible meal and food voucher via Ifood.
• Mobility allowance via Ifood for office commutes.
• WellHub access to gyms nationwide.
• Extra credit in Ifood card on special occasions.
• Birthday credit on benefits card.
• Educational and language partnership discounts.
• Company‑provided equipment for job duties.