Christian Tejada

Christian Tejada

$22/hr
Software engineer - Developer
Reply rate:
-
Availability:
Hourly ($/hour)
Age:
47 years old
Location:
São Paulo, São Paulo, Brazil
Experience:
15 years
About

I have solid experience in Java / Spring development with Microservices. The pillars of my background are:

• Strong knowledge of Java: Collections, Generics, Streams, Lambdas, concurrency (threads, executors, locks), I/O, NIO, serialization, reflection, design patterns, etc.

• Strong command of the Spring framework (Spring Boot, Spring Data, Spring Cloud, Spring MVC, Service Discovery), Hibernate, JPA, and cloud-based microservices on AWS (EC2, S3, ECS, EKS, EventBridge, API Gateway, RDS, Kafka, SQS, SNS,Lambda, etc) .

• Knowledge of Node.js, JavaScript and TypeScript, Python, SQL, PostgreSQL, MongoDB, MySQL, SQL Server, and Cassandra.

• Development of AI-driven solutions using Python, including RAG, LangChain, and vector databases for building intelligent systems and semantic data retrieval.

• API development using Spring Boot and Swagger.

• Knowledge of other technology stacks such as Angular, React, React Native, Flutter, Python, JavaScript, and TypeScript.

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