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Software Engineer with 3 years expertise in building scalable backend systems using Java, Spring Boot, and microservices. Proven background in SQL, RESTful APIs and foundational cloud technologies (AWS). I am highly motivated to embrace new challenges, continuously improve and grow into a versatile full-stack engineer.…

Ionut Ciocan

Developer, Back-End Developer, Cloud Developer, +1

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Software Engineer with 3 years expertise in building scalable backend systems using Java, Spring Boot, and microservices. Proven background in SQL, RESTful APIs and foundational cloud technologies (AWS). I am highly motivated to embrace new challenges, continuously improve and grow into a versatile full-stack engineer.…

Available to hire

Software Engineer with 3 years expertise in building scalable backend systems using Java, Spring Boot, and microservices.

Proven background in SQL, RESTful APIs and foundational cloud technologies (AWS). I am highly motivated to embrace new challenges, continuously improve and grow into a versatile full-stack engineer.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Romanian, Moldavian, Moldovan

Fluent

Work Experience

Software Engineer at Postis

January 1, 2025 - July 31, 2025

Designed, implemented and integrated new API-based solutions for logistics and e-commerce partners. Monitored and optimized AWS infrastructure costs by 10% through resource tuning, usage analytics and configuration improvements. Improved platform scalability and system performance by redesigning service orchestration and enhancing component-level architecture.

Java Developer at Centrico Selir

October 1, 2022 - January 31, 2025

Developed and maintained scalable backend applications using Java 11, Spring Boot, Spring MVC and the Microservices architecture, following clean code and modular principles. Optimized complex business logic and data flows through advanced SQL and PL/SQL queries, improving execution time and reducing DB load. Applied OOP, SOLID principles and Java best practices to build robust and maintainable backend solutions in a collaborative Agile team environment.

Software Engineer at Postis

January 1, 2025 - Present

Java Developer at Centrico Selir

January 31, 2025 - July 28, 2025

Backend Engineer at Unicredit

September 1, 2025 - Present

Designed, implemented, and integrated new API-based solutions for logistics and e-commerce partners. Applied Domain-Driven Design principles to refactor core modules, improving maintainability and system scalability while working in a hybrid work environment.

Software Engineer at Postis

August 1, 2025 - September 5, 2025

Developed robust REST APIs for integration with external tools and monitored and optimized AWS infrastructure costs by 10% through resource tuning and usage analytics. Contributed to backend improvements using Java 17, Spring Boot, REST APIs, SOAP, and microservices.

Java Developer at Centrico Selir

January 1, 2025 - September 5, 2025

Developed and maintained scalable backend applications with Java 11 and Spring Boot. Optimized complex business logic with advanced SQL and PL/SQL queries, improving execution times. Applied OOP, SOLID principles, and Java best practices in an Agile team to deliver robust backend solutions remotely.

Backend Engineer at Unicredit

September 1, 2025 - Present

Designed, implemented and integrated new API-based solutions for logistics and e-commerce partners. Applied DDD principles to refactor core modules for better maintainability.

Software Engineer at Postis

August 1, 2025 - September 29, 2025

Contributed to the development of robust REST APIs for integrations with external tools. Monitored and optimized AWS infrastructure costs by 10% through resource tuning and usage analytics.

Java Developer at Centrico Selir

January 1, 2025 - September 29, 2025

Developed and maintained scalable backend applications using Java 11, Spring Boot, Spring MVC. Optimized complex business logic through advanced SQL and PL/SQL queries, improving execution time. Applied OOP, SOLID principles and Java best practices to build robust and maintainable backend solutions in a collaborative Agile team environment.