> Markdown version of [/jobs/ext/2664789-full-stack-software-engineer](https://www.wearedevelopers.com/jobs/ext/2664789-full-stack-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full-Stack Software Engineer - **Company:** Convermax - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), .NET Framework, C Sharp (Programming Language), Cascading Style Sheets (CSS), Code Review, Software Debugging, Software Engineering, ReactJS, Web Technologies, Front End Software Development, React Redux, Restful APIs, Code Restructuring - **Published:** August 31, 2026 - **Apply:** https://www.jobleads.com/es/job/e15adbd7c41cfaf183775d27686d35e5d ## About the Role * 2-4 years of experience in software development, with a strong focus on C# and JavaScript. * Proficiency in modern front-end frameworks like React and Redux. * Solid understanding of web technologies (HTML, CSS, RESTful APIs). * Strong problem-solving skills and attention to detail. * Proficiency in English. * Comfortable working in an office setting. ## Description * Develop and maintain features on both the front end (JavaScript / React / Redux) and back end (C# / .Net). * Collaborate with the product team to understand and implement requirements. * Refactor code for performance, scalability, and reliability. * Debug, troubleshoot, and resolve complex technical issues. * Participate in code reviews to ensure high-quality standards.