We are looking for an experienced Senior .NET Engineer (AWS, Identity Management) to join our global engineering team and contribute to the modernization of a large-scale enterprise platform.

Why Join Exadel

Exadel is an AI-first global tech company with 25+ years of engineering excellence, 2,000+ professionals, 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 — ambitious, collaborative, and constantly evolving.

About the Client

Our client is a global leader in financial and audit software solutions, empowering professionals in accounting, compliance, and data analytics to work smarter and more securely. The company serves thousands of organizations worldwide, from mid-sized firms to large enterprises, helping them modernize workflows, ensure regulatory compliance, and enhance data integrity across complex ecosystems.

They are currently undergoing a major cloud transformation, evolving their product suite into a secure, scalable, and AI-ready SaaS platform. This modernization initiative focuses on improving system performance, implementing advanced Identity and Access Management (IAM) capabilities, and strengthening security and governance across their product ecosystem - paving the way for the next generation of intelligent audit and financial solutions.

Project Tech Stack

The project is centered on building a secure, scalable, and high-performance IAM platform using .NET 8/10, C#, and AWS Cloud. The backend solution is powered by microservices, Aurora PostgreSQL, Redis, and EKS, with a strong emphasis on performance, security, and reliability. Key components include Auth0-based authentication, custom authorization services (RBAC/ABAC), and observability tooling, ensuring operational transparency and high availability.

What You’ll Do

Design, develop, and maintain automated tests for backend and API layers within a cloud-native IAM platform.
Perform extensive integration testing across microservices, ensuring authentication and authorization flows function securely and reliably.
Validate compliance with OWASP Top 10 security principles and verify robustness against common vulnerabilities.
Collaborate with developers, DevOps, and architects to integrate automated testing into CI/CD pipelines.
Analyze test results, identify issues, and contribute to root-cause analysis and quality improvements.

What You Bring

5–7 years of experience in automation testing, with a strong focus on API and integration testing.
Proficiency in .NET, C#, or any modern automation framework (REST Assured, Postman, or equivalent).
Hands-on experience testing microservices and cloud-based applications (preferably on AWS).
Understanding of IAM principles, OAuth 2.1, OIDC, and security-driven testing practices.
Solid knowledge of OWASP Top 10 and common API security vulnerabilities.
Strong analytical, communication, and documentation skills.
English level: Upper-Intermediate or higher.

Nice to Have

Experience with performance or load testing tools (e.g., JMeter, k6).
Familiarity with CI/CD pipelines (GitHub Actions, AWS CodeBuild, Jenkins).
Exposure to observability and monitoring tools for validating system reliability.

ISTQB or equivalent certification is a plus.