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I'm a highly motivated backend developer with substantial knowledge in RESTful API development and database management. I enjoy shaping scalable, robust back-end solutions and applying OO design principles and best practices to deliver maintainable code. I thrive on tackling new challenges, collaborating with cross-functional teams, and continuously learning. I'm proficient with Java, Spring Boot, React, MySQL, Azure DevOps, and related tools, and I'm excited to apply my skills to create efficient, reliable software solutions.…I'm a highly motivated backend developer with substantial knowledge in RESTful API development and database management. I enjoy shaping scalable, robust back-end solutions and applying OO design principles and best practices to deliver maintainable code. I thrive on tackling new challenges, collaborating with cross-functional teams, and continuously learning. I'm proficient with Java, Spring Boot, React, MySQL, Azure DevOps, and related tools, and I'm excited to apply my skills to create efficient, reliable software solutions.

Savvas Kalfas

Full Stack Developer, Web Developer, Back-End Developer, +1

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I'm a highly motivated backend developer with substantial knowledge in RESTful API development and database management. I enjoy shaping scalable, robust back-end solutions and applying OO design principles and best practices to deliver maintainable code. I thrive on tackling new challenges, collaborating with cross-functional teams, and continuously learning. I'm proficient with Java, Spring Boot, React, MySQL, Azure DevOps, and related tools, and I'm excited to apply my skills to create efficient, reliable software solutions.…I'm a highly motivated backend developer with substantial knowledge in RESTful API development and database management. I enjoy shaping scalable, robust back-end solutions and applying OO design principles and best practices to deliver maintainable code. I thrive on tackling new challenges, collaborating with cross-functional teams, and continuously learning. I'm proficient with Java, Spring Boot, React, MySQL, Azure DevOps, and related tools, and I'm excited to apply my skills to create efficient, reliable software solutions.

Available to hire

I’m a highly motivated backend developer with substantial knowledge in RESTful API development and database management. I enjoy shaping scalable, robust back-end solutions and applying OO design principles and best practices to deliver maintainable code.

I thrive on tackling new challenges, collaborating with cross-functional teams, and continuously learning. I’m proficient with Java, Spring Boot, React, MySQL, Azure DevOps, and related tools, and I’m excited to apply my skills to create efficient, reliable software solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Greek, Modern

Fluent

English

Advanced

German

Advanced

Russian

Beginner

Work Experience

Full Stack Web Developer at Boss Info Hellas

July 1, 2024 - Present

Led the creation and maintenance of 3 frontend pages for the frontend product and single-handedly developed the backend infrastructure from scratch. Designed RESTful API endpoints based on business requirements and implemented database schemas. Ensured API security and compliance with industry standards, enhancing JWT generation process. Built 4 in-house tools to improve the communication flow from frontend to backend. Improved system performance and scalability by optimizing API endpoints and database interactions, reducing response times by 50%. Collaborated with cross-functional teams to gather requirements, troubleshoot issues, and deliver high-quality software solutions. Documented API endpoints and database structures to facilitate smooth handovers and future development, using Swagger and Azure DevOps wiki, generating over 10 new pages.

Software Developer at European Dynamics

April 1, 2022 - May 1, 2024

From April 2022 to May 2024 contributed to the development of the BossERP 2.0 program, an enterprise resource planning (ERP) system used in Switzerland. Led creation and maintenance of frontend pages; single-handedly developed the backend infrastructure from scratch. Designed RESTful API endpoints based on business requirements and implemented database schemas. Ensured API security and compliance with industry standards, enhancing JWT generation. Built 4 in-house tools to streamline frontend-backend communication. Improved system performance and scalability by optimizing API endpoints and database interactions, lowering response times by 50%. Collaborated with cross-functional teams to gather requirements, troubleshoot issues, and deliver high-quality software solutions. Documented API endpoints and database structures to facilitate smooth handovers and future development, using Swagger and Azure DevOps wiki, generating over 10 new pages.