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I’m Constantin Oprea, a software engineer passionate about building scalable, user-oriented applications. I enjoy working across the stack—turning product ideas into reliable features—and I’m especially motivated by learning, solving complex problems, and delivering quality software. From founding and leading my own software company to building and optimizing web platforms with modern technologies, I focus on practical results for clients and users. I’ve also developed secure microservices and collaborated in Agile teams, while strengthening my testing mindset through QA work that includes manual and API regression testing and test automation.…I’m Constantin Oprea, a software engineer passionate about building scalable, user-oriented applications. I enjoy working across the stack—turning product ideas into reliable features—and I’m especially motivated by learning, solving complex problems, and delivering quality software. From founding and leading my own software company to building and optimizing web platforms with modern technologies, I focus on practical results for clients and users. I’ve also developed secure microservices and collaborated in Agile teams, while strengthening my testing mindset through QA work that includes manual and API regression testing and test automation.

Constantin Oprea

Software Engineer, Back-End Developer, Front-End Developer, +2

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I’m Constantin Oprea, a software engineer passionate about building scalable, user-oriented applications. I enjoy working across the stack—turning product ideas into reliable features—and I’m especially motivated by learning, solving complex problems, and delivering quality software. From founding and leading my own software company to building and optimizing web platforms with modern technologies, I focus on practical results for clients and users. I’ve also developed secure microservices and collaborated in Agile teams, while strengthening my testing mindset through QA work that includes manual and API regression testing and test automation.…I’m Constantin Oprea, a software engineer passionate about building scalable, user-oriented applications. I enjoy working across the stack—turning product ideas into reliable features—and I’m especially motivated by learning, solving complex problems, and delivering quality software. From founding and leading my own software company to building and optimizing web platforms with modern technologies, I focus on practical results for clients and users. I’ve also developed secure microservices and collaborated in Agile teams, while strengthening my testing mindset through QA work that includes manual and API regression testing and test automation.

Available to hire

I’m Constantin Oprea, a software engineer passionate about building scalable, user-oriented applications. I enjoy working across the stack—turning product ideas into reliable features—and I’m especially motivated by learning, solving complex problems, and delivering quality software.

From founding and leading my own software company to building and optimizing web platforms with modern technologies, I focus on practical results for clients and users. I’ve also developed secure microservices and collaborated in Agile teams, while strengthening my testing mindset through QA work that includes manual and API regression testing and test automation.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Romanian, Moldavian, Moldovan

Fluent

Work Experience

Founder at Monecify

June 1, 2026 - Present

Founded and led a software company overseeing product development and delivering custom software solutions for clients.

Remote Software Engineer at Dutch Online

March 1, 2026 - September 1, 2026

Developed and tested platform features using Next.js and modern web technologies. Integrated payment systems and improved application functionality, then debugged and optimized the platform to ensure a reliable user experience.

Java Developer Intern at Endava

April 1, 2025 - July 1, 2025

Developed secure microservices for a payee confirmation system using Spring Boot, Spring Security, and Docker. Collaborated with DevOps, front-end, iOS, and QA teams in an Agile environment, contributing to architectural decisions and containerized service integration to improve scalability.

Manual QA Engineer at Hora Services SRL

July 1, 2023 - August 1, 2024

Performed manual and API testing with Postman to validate application functionality and performance. Conducted regression testing, documented bugs, created detailed test cases, and developed/maintained automated test scenarios to improve testing efficiency.