Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am a Full Stack Java Developer with over three years of experience in building scalable, secure, and cloud-native applications using modern technologies such as Java, Spring Boot, Hibernate, and ReactJS. I have a strong background in both front-end and back-end development, with a passion for creating responsive user interfaces and highly performant microservices deployed on cloud platforms. My experience also includes working in Agile teams to deliver high-quality software solutions efficiently. In addition to my software development expertise, I have hands-on experience with embedded systems from internships focused on system testing and direct hardware interfacing. I am skilled in a wide range of technologies from databases like PostgreSQL, MongoDB, and MySQL to cloud tools including AWS, Azure, Docker, Kubernetes, and Terraform. I also actively implement CI/CD pipelines and robust testing strategies to ensure reliable deployments and compliance with industry standards.…I am a Full Stack Java Developer with over three years of experience in building scalable, secure, and cloud-native applications using modern technologies such as Java, Spring Boot, Hibernate, and ReactJS. I have a strong background in both front-end and back-end development, with a passion for creating responsive user interfaces and highly performant microservices deployed on cloud platforms. My experience also includes working in Agile teams to deliver high-quality software solutions efficiently. In addition to my software development expertise, I have hands-on experience with embedded systems from internships focused on system testing and direct hardware interfacing. I am skilled in a wide range of technologies from databases like PostgreSQL, MongoDB, and MySQL to cloud tools including AWS, Azure, Docker, Kubernetes, and Terraform. I also actively implement CI/CD pipelines and robust testing strategies to ensure reliable deployments and compliance with industry standards.

Chima Nwosu

Full Stack Developer, Back-End Developer, Front-End Developer, +2





I am a Full Stack Java Developer with over three years of experience in building scalable, secure, and cloud-native applications using modern technologies such as Java, Spring Boot, Hibernate, and ReactJS. I have a strong background in both front-end and back-end development, with a passion for creating responsive user interfaces and highly performant microservices deployed on cloud platforms. My experience also includes working in Agile teams to deliver high-quality software solutions efficiently. In addition to my software development expertise, I have hands-on experience with embedded systems from internships focused on system testing and direct hardware interfacing. I am skilled in a wide range of technologies from databases like PostgreSQL, MongoDB, and MySQL to cloud tools including AWS, Azure, Docker, Kubernetes, and Terraform. I also actively implement CI/CD pipelines and robust testing strategies to ensure reliable deployments and compliance with industry standards.…I am a Full Stack Java Developer with over three years of experience in building scalable, secure, and cloud-native applications using modern technologies such as Java, Spring Boot, Hibernate, and ReactJS. I have a strong background in both front-end and back-end development, with a passion for creating responsive user interfaces and highly performant microservices deployed on cloud platforms. My experience also includes working in Agile teams to deliver high-quality software solutions efficiently. In addition to my software development expertise, I have hands-on experience with embedded systems from internships focused on system testing and direct hardware interfacing. I am skilled in a wide range of technologies from databases like PostgreSQL, MongoDB, and MySQL to cloud tools including AWS, Azure, Docker, Kubernetes, and Terraform. I also actively implement CI/CD pipelines and robust testing strategies to ensure reliable deployments and compliance with industry standards.

Available to hire

I am a Full Stack Java Developer with over three years of experience in building scalable, secure, and cloud-native applications using modern technologies such as Java, Spring Boot, Hibernate, and ReactJS. I have a strong background in both front-end and back-end development, with a passion for creating responsive user interfaces and highly performant microservices deployed on cloud platforms. My experience also includes working in Agile teams to deliver high-quality software solutions efficiently.

In addition to my software development expertise, I have hands-on experience with embedded systems from internships focused on system testing and direct hardware interfacing. I am skilled in a wide range of technologies from databases like PostgreSQL, MongoDB, and MySQL to cloud tools including AWS, Azure, Docker, Kubernetes, and Terraform. I also actively implement CI/CD pipelines and robust testing strategies to ensure reliable deployments and compliance with industry standards.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Full Stack Java Developer at Payoneer

March 1, 2023 - Present

Led the development of secure REST and GraphQL APIs using Java 11, Spring Boot, Hibernate, and Spring Security for payment processing systems. Built modular ReactJS components to improve client dashboards and onboarding workflows. Managed cloud-native microservices deployment on AWS and Azure using Docker, Kubernetes, and Terraform. Integrated multiple databases (PostgreSQL, MySQL, MongoDB) to support high-volume transactions. Utilized event-driven messaging platforms like Kafka and RabbitMQ for realtime processing and fraud detection. Configured comprehensive CI/CD pipelines with Jenkins, Maven, Gradle, and GitHub Actions to automate builds and deployments. Wrote exhaustive unit, integration, and API tests with JUnit, Mockito, and Selenium to comply with PCI DSS. Contributed actively in Agile Scrum teams to meet sprint goals and improve performance through code and query optimization, supplemented with Redis caching strategies.

Systems Engineering Intern at Ultra Maritime

August 31, 2023 - September 4, 2025

Developed Embedded C-based cable tester application running FreeRTOS for MCU connections validation. Designed GPIO interfacing schematics with 320 pins for precise device testing. Automated thermocouple data collection and analysis using Python and Bash, enhancing accuracy and reducing manual work. Engineered and validated a custom CRC-16 protocol for secured UART communications. Collaborated closely with senior engineers for documentation and compliance adherence.

Embedded Software Engineering Intern at Plexus Corporation

August 31, 2022 - September 4, 2025

Developed secure REST APIs using Spring Boot and Hibernate. Implemented embedded software features for medical devices in C++ and Embedded C. Created motor calibration commands and initialization routines to enhance system performance. Authored and executed unit tests with Google Test framework to validate device functionality. Ensured compliance with ISO 9000 through static code analysis and peer reviews. Participated actively in Agile development cycles using Jira and Bitbucket.