Colombia onlyWe 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.
We are looking for a Senior Java Developer to join our team and contribute to the development and refactoring of a complex software solution that manages physical devices in retail stores, such as card machines and barcode readers. This role will require working closely with a multicultural team spread across Brazil, Colombia, and India, with all communication conducted in English.
Key Responsibilities:
- Design, build, and maintain backend services using Java 21, Spring Boot, and Hawkbit.
- Implement and evolve REST and gRPC APIs, ensuring best practices and versioning standards.
- Ensure service reliability through unit and integration testing, troubleshooting, and root-cause analysis.
- Work with PostgreSQL for schema design and performance tuning, integrating with caching layers, session management and Pub/Sub like Redis.
- Build and debug containerized services using Docker and deploy them on Kubernetes (GKE).
- Apply security fundamentals, including OAuth2/OIDC, JWT validation, and secure coding practices.
- Collaborate with cross-functional teams, ensuring clear communication and ownership of deliverables.
- Contribute to CI/CD workflows (Tekton/Jenkins, ArgoCD) following GitOps principles.
- Participate in technical discussions, design reviews, and mentor team members as needed.
Required Skills and Qualifications:
- Strong experience with Java 21 and Spring Boot in production systems.
- Solid understanding of REST APIs and hands-on experience gRPC.
- 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).
- Knowledge of WebSockets or streaming APIs.
- Ability to troubleshoot distributed systems and diagnose performance issues.
- Effective communication skills and resilience in fast-paced, multicultural teams.
- Advanced English proficiency.
Soft Skills:
- Proactive ownership of tasks with a mindset for continuous improvement.
- Strong communication skills across technical and non-technical audiences.
- Comfortable with context switching and balancing priorities.
- Collaborative team player who values shared success.
- Ability to adapt to ambiguity and shifting requirements.
Nice-to-Have Skills:
- Experience with Kafka or other event-driven technologies.
- Proficiency in NoSQL databases.
- Familiarity with GitOps (ArgoCD) and Tekton pipelines.
- Exposure to GCP services (GKE, IAM, Cloud Logging/Monitoring).
- Basic understanding of policy-based access control (OPA).
- Background in prototyping or integrating AI-driven automation.
If you are a seasoned backend developer looking to take on complex challenges in a dynamic environment, we invite you to apply and become a part of our diverse team!
Our benefits include:
- Premium Healthcare
- Meal voucher
- Maternity and Parental leaves
- Mobile services subsidy
- Sick pay-Life insurance
- CI&T University
- Colombian Holidays
- Paid Vacations
And many others.
Collaboration is our superpower, diversity unites us, and excellence is our standard.
We value diverse identities and life experiences, fostering a diverse, inclusive, and safe work environment. We encourage applications from diverse and underrepresented groups to our job positions.
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