Senior Software Engineer (C#) at Exadel Inc (Website)

Warsaw, Masovian Voivodeship, Poland -

Full Time

Start Date

Immediate

Expiry Date

26 Apr, 26

Salary

0.0

Posted On

26 Jan, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

C#, Backend Development, Functional Programming, Debugging, Customer-Facing Skills, Performance Engineering, Analytical Thinking, Mathematical Thinking, Active Directory, LDAP, Cloud Identity Providers

Industry

Software Development

Description

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

Responsibilities

The Senior Software Engineer will take full ownership of C# services for high-scale data ingestion and real-time security analysis, ensuring reliability across diverse customer environments. They will also navigate and enhance a complex codebase while upholding high standards of code quality.