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

Hi, I'm Zafer Mairaj, a passionate Java Backend Developer with over 2.5 years of hands-on project experience. I specialize in backend development using Java, Spring Boot, and Hibernate, and I love writing clean, efficient, and modular code to solve complex real-world problems. I'm committed to continuous learning and following best practices in software engineering. I have worked on diverse projects including web platforms, video conferencing apps, and database monitoring tools, gaining experience in scalable backend system design, RESTful API development, and cloud deployments. I enjoy collaborating in cross-functional teams to deliver high-quality software solutions and am always eager to take on new challenges.…Hi, I'm Zafer Mairaj, a passionate Java Backend Developer with over 2.5 years of hands-on project experience. I specialize in backend development using Java, Spring Boot, and Hibernate, and I love writing clean, efficient, and modular code to solve complex real-world problems. I'm committed to continuous learning and following best practices in software engineering. I have worked on diverse projects including web platforms, video conferencing apps, and database monitoring tools, gaining experience in scalable backend system design, RESTful API development, and cloud deployments. I enjoy collaborating in cross-functional teams to deliver high-quality software solutions and am always eager to take on new challenges.

ZAFER MAIRAJ

Programmer, Developer, Back-End Developer, +2





Hi, I'm Zafer Mairaj, a passionate Java Backend Developer with over 2.5 years of hands-on project experience. I specialize in backend development using Java, Spring Boot, and Hibernate, and I love writing clean, efficient, and modular code to solve complex real-world problems. I'm committed to continuous learning and following best practices in software engineering. I have worked on diverse projects including web platforms, video conferencing apps, and database monitoring tools, gaining experience in scalable backend system design, RESTful API development, and cloud deployments. I enjoy collaborating in cross-functional teams to deliver high-quality software solutions and am always eager to take on new challenges.…Hi, I'm Zafer Mairaj, a passionate Java Backend Developer with over 2.5 years of hands-on project experience. I specialize in backend development using Java, Spring Boot, and Hibernate, and I love writing clean, efficient, and modular code to solve complex real-world problems. I'm committed to continuous learning and following best practices in software engineering. I have worked on diverse projects including web platforms, video conferencing apps, and database monitoring tools, gaining experience in scalable backend system design, RESTful API development, and cloud deployments. I enjoy collaborating in cross-functional teams to deliver high-quality software solutions and am always eager to take on new challenges.

Available to hire

Hi, I’m Zafer Mairaj, a passionate Java Backend Developer with over 2.5 years of hands-on project experience. I specialize in backend development using Java, Spring Boot, and Hibernate, and I love writing clean, efficient, and modular code to solve complex real-world problems. I’m committed to continuous learning and following best practices in software engineering.

I have worked on diverse projects including web platforms, video conferencing apps, and database monitoring tools, gaining experience in scalable backend system design, RESTful API development, and cloud deployments. I enjoy collaborating in cross-functional teams to deliver high-quality software solutions and am always eager to take on new challenges.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Software Engineer Intern at Walmart

April 30, 2024 - July 16, 2025

Successfully completed the Advanced Software Engineering Job Simulation, demonstrating the ability to solve complex technical challenges in collaborative, cross-functional environments. Developed optimized heap data structure for efficient shipping operations, designed ER diagram for Walmart’s pet department database, and created detailed UML class diagrams for data processing workflows to ensure robust system design and business alignment.

Software Engineer Intern at Moseas

January 31, 2025 - July 16, 2025

Developed a Python-based monitoring tool for MySQL databases to enable real-time performance tracking by generating structured JSON files for data analysis. Integrated Elasticsearch for data indexing and querying, and used Kibana dashboards for visualizing critical database performance metrics such as query execution time, active connections, slow queries, and CPU/memory usage. Delivered improvements in database observability and performance optimization.