Senior Java Developer, Colombia

CI&T; Colombia; Híbrido; COP 9.000.000 - 18.000.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Premium Healthcare

Meal voucher

Maternity and Parental leaves

Mobile services subsidy

Sick pay – Life insurance

CI&T University

Colombian Holidays

Paid Vacations

Descripción de la vacante

A leading tech transformation company in Colombia is seeking a Senior Java Developer. In this role, you'll design and maintain backend services using Java 21 and Spring Boot, collaborate with a multicultural team, and optimize service reliability. The ideal candidate has strong experience in Java and Spring Boot, understands REST APIs and backend security, and possesses excellent communication skills in English. Join a dynamic team dedicated to tech innovation and diverse collaboration.

Formación

• Strong experience with Java 21 and Spring Boot in production systems.
• Solid understanding of REST APIs and hands-on experience with gRPC.
• Hands-on experience with OAuth2/OIDC, JWT, and backend security fundamentals.
• Proficiency with PostgreSQL and JPA/Hibernate.
• Practical experience with Docker and Kubernetes.
• Ability to troubleshoot distributed systems and diagnose performance issues.
• Advanced English proficiency.
• Experience with Docker and Kubernetes deployments; debugging and scaling.

Responsabilidades

• Design, build, and maintain backend services using Java 21, Spring Boot, and Hawkbit.
• Implement and evolve REST and gRPC APIs.
• Ensure service reliability through unit and integration testing.
• Work with PostgreSQL for schema design and performance tuning.
• Build and debug containerized services using Docker.
• Collaborate with cross-functional teams, ensuring clear communication.
• Work with PostgreSQL for schema design and performance tuning; integrate Redis caching and Pub/Sub.
• Build and debug containerized services and deploy on Kubernetes (GKE).
• Apply security fundamentals including OAuth2/OIDC and JWT validation.
• Collaborate with cross-functional teams and mentor juniors as needed.
• Contribute to CI/CD workflows (Tekton/Jenkins, ArgoCD) following GitOps.
• Participate in design reviews and technical discussions.

Conocimientos

Java 21

Spring Boot

REST APIs

gRPC

OAuth2/OIDC

JWT

PostgreSQL

JPA/Hibernate

Docker

Kubernetes

WebSockets

Kafka

NoSQL databases

Herramientas

Hawkbit

Docker

Kubernetes (GKE)

Tekton

Jenkins

ArgoCD

GCP IAM/Cloud Logging

OPA

Descripción del empleo

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, 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 with 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.