[Job - 28140] Senior Java Developer, Colombia

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.

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 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 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).

• 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).

• Knowledge of WebSockets or streaming APIs.

• 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!

#LI-THAI23

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.