Senior Full-Stack Software Engineer (.NET, C#)

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. What You’ll Do * Design, develop, and maintain RESTful APIs and backend services using C\# and .NET / .NET Core * Contribute to enterprise application architecture, including microservices and distributed systems * Apply software engineering best practices aligned with Clean Code, SOLID principles, and Design Patterns * Develop and optimize SQL Server databases, including relational data modeling and stored procedures * Perform query optimization and performance tuning for large\-scale data environments * Support frontend components using HTML, CSS, and JavaScript as needed for Full Stack delivery * Integrate internal and external enterprise systems and services * Work within enterprise and mission\-critical environments * Collaborate with technical teams and business stakeholders across financial platforms and banking systems What You Bring * Strong experience with C\# and .NET / .NET Core * Experience building and maintaining RESTful APIs and services * Knowledge of enterprise application architecture, microservices, and distributed systems * Solid understanding of Clean Code, SOLID principles, Design Patterns, and software engineering best practices * Strong experience with SQL Server * Experience with relational data modeling * Development and maintenance of stored procedures * Query optimization and performance tuning * Experience handling large data volumes * Working knowledge of HTML, CSS, and JavaScript * Experience with Git and version control best practices * Experience with system integrations and service consumption * Experience working in enterprise and mission\-critical environments * Previous experience in the financial services industry * Experience with banking systems, financial platforms, or capital markets environments * Understanding of financial sector operations such as financial products and processes, trading, settlement, custody, or related operations, and integration within the financial ecosystem Nice to Have * Experience in large\-scale Microsoft\-based enterprise environments * Experience in high\-availability or high\-transaction systems * English for communication with international teams 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.