Hello! My name is Kevin Lemus, a Java Backend and Full Stack Developer with 3 years of experience designing, developing, and supporting enterprise applications in the finance and technology domains.
I specialize in Java, Spring Boot, microservices, and database optimization with Oracle, MySQL, and PostgreSQL. I have hands-on experience with DevOps practices including CI/CD pipelines, Docker, and AWS deployments.
Passionate about building scalable solutions, I bring strong problem-solving skills, application security knowledge, and Agile team collaboration to every project.
I specialize in Java backend development, full-stack solutions, cloud-ready deployments, and database optimization.
Performed vulnerability scans and penetration testing to identify security gaps in applications and infrastructure. Provided remediation recommendations to reduce risks.
Collaborative and detail-oriented Application Analyst and Java Backend Developer with hands-on experience building secure, scalable, and high-performing enterprise applications. Skilled in Agile/Scrum environments, modern Java frameworks, and cloud-enabled deployments.
Completed foundational studies in accounting, finance, and business systems, building analytical and problem-solving skills for technology-driven roles.
Support and enhance enterprise-scale applications serving 200K+ daily users, ensuring reliability and scalability for financial platforms. Designed and managed an authorization microservice, migrated legacy Struts/SOAP modules into Spring Boot REST microservices, and automated CI/CD pipelines with vulnerability scanning. Improved QA processes with unit/integration tests and optimized application servers for faster deployments. Partnered with QA/Product Owners in Agile/Scrum to deliver high-priority features.
Developed RESTful APIs for portfolio and covenant tracking modules, improving system usability. Designed Hibernate/JPA entities with pagination, optimized SQL queries across MySQL/PostgreSQL, and implemented Spring Security with JWT authentication. Maintained API documentation with Swagger/OpenAPI and supported Docker/AWS EC2 deployments. Conducted unit and integration testing, boosting application reliability and accelerating delivery schedules.
Logical thinker with strong backend problem-solving skills, specializing in Java and database optimization.
Detail-oriented developer focused on writing clean, efficient, and maintainable code.
Quick learner who adapts to new frameworks, tools, and technologies in backend and full-stack development.
Collaborative professional who works effectively with cross-functional teams to deliver impactful software solutions.
Strong communicator who can explain technical concepts clearly to both technical and non-technical audiences.
If you'd like to discuss opportunities, collaborations, or projects in backend or full-stack development, feel free to reach out using the details below.
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