01/16/2026 updated
100 % available
Senior Backend Developer with 7+ years experience in Java, Spring Boot and Cloud-native applications
3, USA
Only remote
Systems Information, Faculdade De Ensino Superior Do ParanaAbout me
I'm Syrus Amadeu, a results-driven software developer trusted by global companies like IBM, MasterCard, and Philips. I turn unclear requirements into clear solutions, remove technical pain points, and deliver scalable systems that work.
Java (Programming Language)JavaScriptAmazon Web ServicesBusiness Transaction ManagementMicrosoft AzureCloud ComputingSoftware QualityContinuous IntegrationDatabase DesignDevOpsScalabilityJavaScript LibrariesJUnitPostgreSQLProject Management
Backend Development with Java and Spring Boot
Extensive experience in designing and implementing scalable, cloud-native applications using Java, Spring Boot, and microservices architecture with over 7 years of professional development
RESTful API Development and Microservices
Proficient in building RESTful APIs, microservices, and event-driven architecture using Kafka for enterprise-level applications with focus on scalability and performance
CI/CD Pipeline Development and DevOps
Skilled in developing CI/CD pipelines using AWS, IBM Cirrus, Jenkins, Kubernetes, and Docker/Podman for automated deployment and container orchestration
Database Management and Optimization
Experience with PostgreSQL, OracleDB, and MongoDB for database design, query optimization, and transaction management in enterprise environments
Cloud Platforms and Services
Hands-on experience with AWS Cloud services and Azure Cloud for deploying and managing scalable backend solutions
Testing and Quality Assurance
Proficient in implementing comprehensive testing strategies using Junit, TestNG, and Jest for ensuring code quality and reliability
Version Control and Project Management
Experienced with GitLab for version control, CI/CD pipelines, and Trello for task management within Kanban workflow methodologies
Frontend Technologies
Knowledge of Angular, TypeScript, and JavaScript for full-stack development and creating responsive user interfaces
Cache Mechanisms and Performance
Implementation of Redis cache mechanisms for enhancing system performance and scalability in high-traffic applications
Extensive experience in designing and implementing scalable, cloud-native applications using Java, Spring Boot, and microservices architecture with over 7 years of professional development
RESTful API Development and Microservices
Proficient in building RESTful APIs, microservices, and event-driven architecture using Kafka for enterprise-level applications with focus on scalability and performance
CI/CD Pipeline Development and DevOps
Skilled in developing CI/CD pipelines using AWS, IBM Cirrus, Jenkins, Kubernetes, and Docker/Podman for automated deployment and container orchestration
Database Management and Optimization
Experience with PostgreSQL, OracleDB, and MongoDB for database design, query optimization, and transaction management in enterprise environments
Cloud Platforms and Services
Hands-on experience with AWS Cloud services and Azure Cloud for deploying and managing scalable backend solutions
Testing and Quality Assurance
Proficient in implementing comprehensive testing strategies using Junit, TestNG, and Jest for ensuring code quality and reliability
Version Control and Project Management
Experienced with GitLab for version control, CI/CD pipelines, and Trello for task management within Kanban workflow methodologies
Frontend Technologies
Knowledge of Angular, TypeScript, and JavaScript for full-stack development and creating responsive user interfaces
Cache Mechanisms and Performance
Implementation of Redis cache mechanisms for enhancing system performance and scalability in high-traffic applications
Experience
Professional experience5 - 10 years
Freelancer since2025
Languages
EnglishFluentPortugueseNative speaker
Project history
Designed and implemented scalable RESTful APIs using Spring Boot and Java. Optimized database queries and transactions in PostgreSQL and MongoDB. Developed CI/CD pipelines using AWS, IBM Cirrus, Jenkins, Kubernetes and Docker/Podman. Integrated Kafka for event-driven architecture and microservices communication and Redis for cache mechanism. Used WatsonX AI to generate summaries for professionals that match open seats within IBM projects.
Designed and implemented solution for Software migration from Struts to Spring Boot. Developed tools to enhance refactoring speed and productivity. Weekly meetings with stakeholders to align, present and document processes and future steps.
Built and maintained microservices using Java, Spring Boot, and OracleDB. Implemented DDD (Domain-Driven Design) principles for scalable backend architecture. Worked with RESTful APIs, authentication, and authorization protocols. Developed CI/CD pipelines using Jenkins, Kubernetes and Docker.
Certificates
AWS Practitioner
Amazon Web Services2023