Software Engineer (C#) ID90603
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Summary
A mid-level C# engineer at AgileEngine (Braga, Portugal) develops and maintains a C#/.NET IL-based application-protection product (obfuscation and runtime protection) alongside two senior engineers, supervising AI-assisted development with Claude Code and pitching in on C++, front-end, and CI/CD tasks.
AgileEngine is an Inc. 5000 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.