Location:Compruebe a continuación si tiene lo necesario para esta oportunidad y, si es así, envíe su solicitud lo antes posible.Madrid (Central) |Full-time| 100% On-site | Flexible hoursSalary:80-90kAbout the roleWe are partnering with a leading European financial services company building a new innovation hub in Madrid. They are looking for aSenior Full-Stack Engineerwith strong .NET expertise, a passion for AI, and proven leadership in technical delivery.You will help shape the next generation of AI-driven advisory tools, supporting financial advisors with intelligent assistants that automate complex tasks and improve decision-making.What you'll doArchitect and develop scalable web applications usingC# and modern .NET frameworksBuild AI-driven features usingLLMs and AI agentsLead technical decisions and contribute to product directionApply advancedprompt engineeringto optimise AI behaviourCollaborate with product teams to translate business needs into technical solutionsMentor and support other engineers,



driving best practices and quality standardsWhat we're looking for~5 years of professional software development experienceBachelor's or Master's in Computer ScienceExpert inC# and .NETExperience withAI tools(GitHub Copilot, LLMs, AI agents)Strong understanding of AI concepts (RAG, prompt engineering, agents)Fluent English (written and spoken)Strong problem-solving skills and ability to handle complex logicProven experience leading technical projects or mentoring teamsNice to haveExperience in fintech or financial servicesWhat's on offerHighly competitive salary and benefits packageStability and growth within a leading European companyContinuous training in AI and cutting-edge technologiesModern offices in central Madrid with versátil working hoursAbout E-FrontiersE-Frontiers is a specialist technology recruitment company connecting top tech talent with innovative product companies across Europe. We focus on long-term matches, transparency, and an excellent candidate experience. xhfqzwm If this sounds interesting, apply directly or reach out for a confidential chat.#J-18808-Ljbffr

📌 Lead Full-Stack Software Engineer (React +.Net) - €80-90k - €80.000 - €90.000 A Year (Madrid)
🏢 E-Frontiers
📍 Madrid