Senior Software Engineer (C#)

<h3>Why Join Exadel</h3> <p>We’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks.</p> <p>From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next.</p> <p>What powers it all? Our people are ambitious, collaborative, and constantly evolving.</p> <h3>About the Client</h3> <p>The Client is a custom software development company committed to providing quality IT solutions that facilitate and add value to clients’ businesses. They offer a full spectrum of custom software services, including web and mobile application development.</p> <h3>What You’ll Do<strong> </strong><strong>&nbsp;</strong></h3> <ul> <li>Take full ownership of C# services responsible for high-scale data ingestion and real-time security analysis</li> <li>Ensure the engine operates reliably across diverse customer environments</li> <li>Navigate, maintain, and enhance a complex codebase using semi-functional programming paradigms</li> <li>Uphold high standards of code quality and mathematical correctness in security detections</li> <li>Identify and resolve support-related bugs through deep-dive analysis</li> <li>Participate in live troubleshooting sessions with end-users</li> <li>Design and implement ad-hoc improvements and tailored solutions for specific customer architectural needs</li> <li>Help ensure the product remains a gold standard in identity security</li> </ul> <h3>What You Bring &nbsp;</h3> <ul> <li>Advanced C# Mastery: Deep expertise in the .NET ecosystem and modern C# development</li> <li>Functional Programming Mindset: Familiarity with or a strong interest in functional programming concepts (immutability, pure functions, etc.) applied within C#</li> <li>Complex System Debugging: Proven ability to navigate, understand, and debug large-scale, multi-threaded codebases</li> <li>Customer-Facing Maturity: The professional confidence and communication skills required to lead live technical troubleshooting sessions with global customers</li> <li>Performance Engineering: Experience in optimizing high-throughput data processing services</li> <li>4+ years of experience in Backend development with a focus on C#</li> <li>Strong analytical and mathematical thinking, suited for a semi-functional code environment</li> <li>Full English Proficiency: Essential for clear communication during live support sessions and collaboration with international teams</li> <li>Experience with Active Directory, LDAP, or Cloud Identity providers – A significant advantage</li> </ul> <h3>English level</h3> <p>Upper-Intermediate</p> <h3>Legal &amp; Hiring Information</h3> <ul> <li>Exadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more</li> <li>Reasonable accommodations are available to enable individuals with disabilities to perform essential functions</li> <li>Please note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs</li> </ul> <h3>Your Benefits at Exadel&nbsp;</h3> <p>Exadel benefits vary by location and contract type. Your recruiter will fill you in on the details.</p> <ul> <li>International projects</li> <li>In-office, hybrid, or remote flexibility</li> <li>Medical healthcare</li> <li>Recognition program</li> <li>Ongoing learning &amp; reimbursement&nbsp;</li> <li>Well-being program</li> <li>Team events &amp; local benefits&nbsp;</li> <li>Sports compensation&nbsp;</li> <li>Referral bonuses&nbsp;</li> <li>Top-tier equipment provision</li> </ul> <h3>Exadel Culture</h3> <p>We lead with trust, respect, and purpose. We believe in open dialogue, creative freedom, and mentorship that helps you grow, lead, and make a real difference. Ours is a culture where ideas are challenged, voices are heard, and your impact matters.</p>