* Salário: R$ 2.000 a R$ 5.000 por mês (estimado)
* O valor exibido é uma estimativa calculada com base em dados públicos e referências do mercado. Não garantimos que este seja o salário oferecido para esta vaga específica.
Área: Outros
Nível: Senior
We are looking for a Senior Java Developer help design, build, and maintain scalable, high-quality web applications. You will work across the entire stack, from modern frontend interfaces to robust backend services, collaborating closely with product, design, and other engineering teams.
Responsibilities:
Implement and evolve REST and gRPC APIs following best practices and versioning standards.
Ensure service reliability through unit/integration tests, troubleshooting, and root-cause analysis.
Work with PostgreSQL (schema design, performance tuning) and integrate with caching layers (Redis).
Build and debug containerized services using Docker and deploy them on Kubernetes (GKE).
Apply security fundamentals: OAuth2/OIDC, JWT validation, RBAC, and secure coding practices.
Collaborate with cross-functional teams, ensuring clear communication and ownership of deliverables.
Contribute to CI/CD workflows (Tekton/Jenkins, ArgoCD) and follow GitOps principles.
Participate in technical discussions, design reviews, and mentor team members when needed.
Requirements:
Strong experience with Java (17 or 21) and Spring Boot in production systems.
Solid understanding of REST APIs and familiarity with gRPC concepts.
Hands-on experience with OAuth2/OIDC, JWT, and backend security fundamentals.
Proficiency with PostgreSQL and JPA/Hibernate.
Practical experience with Docker and Kubernetes (deployments, debugging, ConfigMaps/Secrets).
Ability to troubleshoot distributed systems, analyze logs, and diagnose performance issues.
Effective communication, transparency, and resilience working in fast-paced, multicultural teams.
Advanced English.
Nice-to-have:
Kafka or other event-driven technologies.
Proficiency in NoSQL databases
Redis (caching, ephemeral data).
Experience with GitOps (ArgoCD), Tekton pipelines, or Helm/Kustomize.
Exposure to GCP services (GKE, IAM, Cloud Logging/Monitoring).
Basic understanding of OPA or policy-based access control.
Knowledge of WebSockets or streaming APIs.
Background in prototyping or integrating AI-driven automation.
Our benefits:
Health and dental insurance- Meal and food allowance
- Childcare assistance
- Extended paternity leave
- Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass;
- Profit Sharing and Results Participation (PLR);
- Life insurance
- Continuous learning platform (CI&T University);
- Discount club
- Free online platform dedicated to physical, mental, and overall well-being
- Pregnancy and responsible parenting course
- Partnerships with online learning platforms
- Language learning platform
More details about our benefits here: https://ciandt.com/br/pt-br/carreiras
At CI&T, inclusion starts at the first contact. If you are a person with a disability, it is important to present your assessment during the selection process. See which data needs to be included in the report by clicking here.This way, we can ensure the support and accommodations that you deserve. If you do not yet have the assessment, don't worry: we can support you in obtaining it.
We have a dedicated Health and Well-being team, inclusion specialists, and affinity groups who will be with you at every stage. Count on us to make this journey side by side.