> Markdown version of [/jobs/ext/3143612-software-engineer-c-id90603](https://www.wearedevelopers.com/jobs/ext/3143612-software-engineer-c-id90603). 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). --- # Software Engineer (C#) Id90603 - **Company:** Agileengine - **Location:** Valencia, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** .NET Framework, Artificial Intelligence, C Sharp (Programming Language), C++ (Programming Language), Command-Line Interface, Continuous Integration, Software Engineering, Virtual Agents - **Published:** September 29, 2026 - **Apply:** https://www.buscojobs.com.es/software-engineer-c-id-90603-en-valencia-ID-373464522 ## About the Role Contribute to adjacent technical tasks when required, using investigation, collaboration, and AI assistance to work beyond the primary stack. MUST HAVES - Hands-on C# software engineering skills at a mid-level proficiency, of at least 3 years . - Ability to work collaboratively with senior engineers on product implementation and technical problem-solving. - Critical thinking: break problems into clear steps, identify gaps in understanding, and ask useful questions of teammates and AI agents. - Ability to supervise AI-assisted development, review generated code, and verify that implementations achieve the intended result. - Willingness to learn and contribute outside the primary stack, including C++ packages, front-end tasks, and CI/CD , when needed. - Upper-Intermediate English level. NICE TO HAVES - Familiarity with . NET Intermediate Language (IL) and how C# applications are built and executed. - Experience with code obfuscation, runtime protection, or application-security tooling. - Experience with command-line tools and build-process integrations. PERKS AND BENEFITS - Professional growth : Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps. ## Description AgileEngine is an Inc. **** company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries.We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards.WHY JOIN US If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you!ABOUT THE ROLE We are looking for a C# Developer to contribute to the development and maintenance of an application-protection product built on C# and IL.This person works alongside two senior engineers on implementation and problem-solving, building familiarity with obfuscation and runtime protection.Comfort supervising AI-assisted development and verifying results is part of the role.WHAT YOU WILL DO - Contribute to development and maintenance of a C# and IL-focused application-protection product.- Work alongside two senior engineers to implement product changes and solve technical problems.- Build understanding of the product's obfuscation and runtime-protection context, including its interaction with customer application builds.- Break down implementation tasks and seek clarification from teammates when requirements or technical approaches are unclear.- Use Claude Code in daily development while retaining responsibility for reviewing and verifying the resulting implementation.- Contribute to adjacent technical tasks when required, using investigation, collaboration, and AI assistance to work beyond the primary stack.MUST HAVES - Hands-on C# software engineering skills at a mid-level proficiency, of at least 3 years .- Ability to work collaboratively with senior engineers on product implementation and technical problem-solving.- Critical thinking: break problems into clear steps, identify gaps in understanding, and ask useful questions of teammates and AI agents.- Ability to supervise AI-assisted development, review generated code, and verify that implementations achieve the intended result.- Willingness to learn and contribute outside the primary stack, including C++ packages, front-end tasks, and CI/CD , when needed.- Upper-Intermediate English level.NICE TO HAVES - Familiarity with .NET Intermediate Language (IL) and how C# applications are built and executed.- Experience with code obfuscation, runtime protection, or application-security tooling.- Experience with command-line tools and build-process integrations.PERKS AND BENEFITS - Professional growth : Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps.- Competitive compensation : We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities.- A selection of exciting projects : Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands.- Flextime : Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office - whatever makes you the happiest and most productive.Meet Our Recruitment Process Application ? Coding Challenge ? Video Interview ? Technical Interview or Hiring Manager Interview Each step helps us understand your skills and overall fit.If it's a match, you'll receive an offer.