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I'm James Obed Sylvester, a seasoned Software Engineer with a strong track record in building scalable backend systems and cloud-native applications. I specialize in Java, Spring Boot, microservices, and data-driven architectures, delivering high-traffic features with a focus on reliability and performance. I thrive in Agile environments, collaborate with cross-functional teams, and continually optimize pipelines, tests, and deployments to accelerate product delivery while maintaining quality and security.…I'm James Obed Sylvester, a seasoned Software Engineer with a strong track record in building scalable backend systems and cloud-native applications. I specialize in Java, Spring Boot, microservices, and data-driven architectures, delivering high-traffic features with a focus on reliability and performance. I thrive in Agile environments, collaborate with cross-functional teams, and continually optimize pipelines, tests, and deployments to accelerate product delivery while maintaining quality and security.

James Obed Sylvester

Programmer, Full Stack Developer, Back-End Developer, +5

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I'm James Obed Sylvester, a seasoned Software Engineer with a strong track record in building scalable backend systems and cloud-native applications. I specialize in Java, Spring Boot, microservices, and data-driven architectures, delivering high-traffic features with a focus on reliability and performance. I thrive in Agile environments, collaborate with cross-functional teams, and continually optimize pipelines, tests, and deployments to accelerate product delivery while maintaining quality and security.…I'm James Obed Sylvester, a seasoned Software Engineer with a strong track record in building scalable backend systems and cloud-native applications. I specialize in Java, Spring Boot, microservices, and data-driven architectures, delivering high-traffic features with a focus on reliability and performance. I thrive in Agile environments, collaborate with cross-functional teams, and continually optimize pipelines, tests, and deployments to accelerate product delivery while maintaining quality and security.

Available to hire

I’m James Obed Sylvester, a seasoned Software Engineer with a strong track record in building scalable backend systems and cloud-native applications. I specialize in Java, Spring Boot, microservices, and data-driven architectures, delivering high-traffic features with a focus on reliability and performance.

I thrive in Agile environments, collaborate with cross-functional teams, and continually optimize pipelines, tests, and deployments to accelerate product delivery while maintaining quality and security.

Skills

Experience Level

Expert

Expert

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Expert

Work Experience

Senior Software Engineer at MUST COMPANY

January 1, 2024 - Present

Developed and maintained scalable backend services using Java and Spring Boot, delivering core features for high-traffic applications. Designed microservices architecture, decomposing monolithic components into independent services and reducing deployment cycles by 40%. Implemented event-driven architecture with Kafka/RabbitMQ enabling real-time processing of millions of events daily. Optimized database queries (PostgreSQL/MySQL), cutting average response times by 35% and boosting operational efficiency. Streamlined coding practices and refactoring efforts, increasing team productivity by 30% across multiple sprints. Built and tested high-quality code with JUnit and Mockito, achieving over 85% test coverage and reducing production defects by 30%. Collaborated with stakeholders to diagnose and resolve critical issues rapidly, minimizing downtime to under 1 hour per incident. Contributed innovative ideas in planning sessions, leading to performance enhancements like caching layers that r

Software Engineer at Nawills Technology

December 1, 2021 - January 1, 2024

Implemented and maintained scalable backend services in a cloud-native environment, focusing on Java and Spring Boot, RESTful APIs, and microservices. Built and tested high-availability solutions on AWS (ECS) with CloudFormation and CloudWatch, achieving 99.9% uptime and reducing deployment times by 40%. Designed and implemented data persistence strategies across PostgreSQL, MySQL, MongoDB, and Redis with distributed caching to reduce database load by 30% and improve query performance by 35%. Collaborated with cross-functional teams in agile sprints, conducted code reviews, and contributed to architectural discussions that improved sprint delivery by 25%. Documented technical processes and maintained onboarding materials to accelerate new member integration by ~20%. Implemented robust security practices and automated CI/CD pipelines to streamline releases and minimize manual errors.