Senior Backend Developer, Java, Spring Boot
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Job Description
Senior Backend Developer building scalable Java/Spring microservices for CI&T’s global B2B e-commerce clients. Supporting secure, reliable application growth across a platform active in 40 countries.
Responsibilities:
- Design and develop scalable backend systems using Java, Spring, and Spring Boot
- Build and maintain microservices and RESTful APIs to support business functionality
- Implement data access using Spring Data and JPA with relational and non-relational databases
- Utilize messaging queues such as Kafka and RabbitMQ for inter-service communication
- Write unit and integration tests using JUnit and Mockito to ensure code quality
- Ensure application security and performance through best practices
- Help implement CI/CD pipelines using Docker, Docker Compose, and Kubernetes
- Collaborate with cross-functional teams to define and deliver high-quality software solutions
- Monitor systems using tools such as New Relic
- Support transformation, continuous improvement, and scaling of a B2B e-commerce platform active in 40 countries
Requirements:
- Strong proficiency in Java and related frameworks (Spring, Spring Boot)
- Solid understanding of microservices architecture and RESTful API design
- Familiarity with relational and non-relational databases
- Knowledge of messaging systems such as Kafka and RabbitMQ
- Experience with testing frameworks (JUnit, Mockito)
- Proficient in CI/CD practices and tools, including Docker and Kubernetes
- Strong problem-solving skills and ability to design effective solutions
- Excellent communication skills in English
- Proactive approach
- Fundamentals in data structures, object-oriented programming, and problem-solving
- Knowledge of design patterns, clean code, and best practices
- Understanding of testing concepts (regression, smoke, stress, unit, integration, automation, e2e)
- Advanced English skills
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
- Health and Well-being team, inclusion specialists, and affinity groups
- Support and accommodations for people with disabilities during the selection process
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