> Markdown version of [/jobs/ext/1667294-product-support-engineer-c-javascript](https://www.wearedevelopers.com/jobs/ext/1667294-product-support-engineer-c-javascript). 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). --- # Product Support Engineer (C# & JavaScript - **Company:** Convermax - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), .NET Framework, C Sharp (Programming Language), Cascading Style Sheets (CSS), Software Debugging, Web Development, Distributed Systems, ReactJS, React Redux - **Published:** July 15, 2026 - **Apply:** https://www.jobleads.com/es/job/e4d614f737af2df20d09f92a7e6b83681 ## About the Role * Proficiency in English. * Experience with C# and .Net on the backend. * Web development skills in HTML, JavaScript, and CSS. * Customer-focused with excellent communication skills. * Comfortable working in an office setting. ## Description At Convermax, we're developing a powerful search engine tailored for online auto parts stores. We're looking for a Product Support Engineer to join our team and help deliver exceptional customer support. This role requires a unique blend of strong communication skills and technical expertise-you'll be assisting customers by directly troubleshooting, debugging, and fixing code issues. We work with JavaScript/React/Redux on the client side and C#/.Net on the server side in a complex, high-performance distributed architecture that counts milliseconds. Around 500,000 users rely on our service every day., * Manage technical inquiries and support requests via email. * Troubleshoot and resolve straightforward issues in C# and JavaScript code. * Escalate complicated cases to the development team when needed. * Keep customers informed on the status and progress of their requests. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [State management in a world of hooks](https://www.wearedevelopers.com/videos/13-state-management-in-a-world-of-hooks) - [Keith Cirkle of GitHub on React Fatigue](https://www.wearedevelopers.com/videos/1265-keith-cirkle-of-github-on-react-fatigue) - [A Guide To Functional Programming](https://www.wearedevelopers.com/videos/408-a-guide-to-functional-programming) - [To New Frontiers: The Future of Frontend Development](https://www.wearedevelopers.com/videos/404-to-new-frontiers-the-future-of-frontend-development) ## Related Articles - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [The Best JavaScript Framework to Learn](https://www.wearedevelopers.com/magazine/229-the-best-javascript-framework-to-learn) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)