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[Job -30765] Mid - Level Java Developer, Brazil

At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions.

With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy.

We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day.


We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions.
With over 8.000 CI&Ters around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality.

Objective:
Transform business requirements into robust, maintainable backend services, aligned with architecture standards and Agile delivery processes.

Key Responsibilities:

Design, build, and maintain backend services using Java 17/21 and Spring Boot.
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.

Required Skills and Qualifications:
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.

Soft Skills:
Proactive ownership of tasks and continuous improvement mindset.
Strong communication across technical and non-technical audiences.
Comfortable with context switching and balancing priorities.
Collaborative, inclusive team player who values shared success.
Ability to remain adaptable under ambiguity and shifting requirements.

Nice-to-have Skills:
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
And many more!
#LI-NG1

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
And many more!
More details about our benefits here:
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.
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What this application asks

lever

Which location are you applying for?, Resume/CV, Full name, Pronouns, Email, Phone, Current location, Current company, LinkedIn URL, What is your gender?, What is your race / ethnicity?, Do you identify as part of the LGBTQIA community?, Do you have a disability?You are considered to have a disability if you have a physical or mental impairment or medical condition that substantially limits a major life activity, or if you have a history or record of such an impairment or medical condition. Disabilities include, but are not limited to: • Autism • Autoimmune disorder, for example, lupus, fibromyalgia, rheumatoid arthritis, or HIV/AIDS • Blind or low vision • Cancer • Cardiovascular or heart disease • Celiac disease • Cerebral palsy • Deaf or hard of hearing • Depression or anxiety • Diabetes • Epilepsy • Gastrointestinal disorders, for example, Crohn’s Disease, or irritable bowel syndrome • Intellectual disability • Missing limbs or partially missing limbs • Nervous system condition for example, migraine headaches, Parkinson’s disease, or Multiple sclerosis (MS) • Psychiatric condition, for example, bipolar disorder, schizophrenia, PTSD, or major depression., Are you a veteran?

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  • Do you have any relatives (such as parents, siblings, in-laws, spouses, or children, stepchildren, stepfather/stepmother, son-in-law/daughter-in-law), close friends, or acquaintances (with whom you have a significant and ongoing relationship) who currently work at CI&T? choose one · optional
  • If the previous answer is Yes, please share the name(s) of these individuals. optional
  • Do you have availability for on-site work at the Campinas office (Brazil) every day? Just for informational purposes, in case your application is considered for other open positions. choose one · optional
  • Do you require any type of accessibility for the selection process and/or in your daily life?? choose one · optional
  • The answers below are optional. This data will be used for our affirmative actions. Considering this scenario, do you feel comfortable answering the questions below? choose one · optional
  • Would you like to tell us your gender identity? choose one · optional
  • Are you part of the LGBTQIAP+ community? choose one · optional
  • How do you self-declare your color/race? choose one · optional
  • Are you a person with disabilities? choose one · optional
  • If so, tell us what type of disability you have choose one · optional
  • IMPORTANT! If you answered that you are a person with a disability, this step is mandatory. Attach the medical report here upload · optional
  • What is your salary expectation for this position? (Brazilian Reals - CLT)
  • [EN] What is your level of confidence when communicating and collaborating in an English-speaking work environment? choose one · optional
  • How comfortable do you feel working in an English-speaking environment?
  • [ES] What is your level of confidence when communicating and collaborating in an Spanish-speaking work environment? choose one · optional
  • Confirm the name of the company where you work/ Confirme o nome da empresa em que você trabalha atualmente
  • By selecting the option below, I declare that I have read, understood, and agree to the terms of this document, and I consent to the processing of my personal data by CI&T and Lever for the purposes described herein. Read the document here: https://drive.google.com/file/d/1dMaskYl2VD1AtN9MfiHrZiA-YFYwq8aI/view choose one · optional

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