The Role We’re looking for a Senior .NET Developer to own and lead our production authentication microservice. This system powers JWT tokens, MFA, RBAC, and enterprise security for our entire platform. You will be the sole technical owner, collaborating with IT for Azure infrastructure, and making security-first architectural decisions. Tech Stack Backend: .NET 8, C# 12, ASP.NET Core Web API Database: PostgreSQL (via Entity Framework Core) Caching & Auth: Redis, JWT Infrastructure: Azure Container Apps, Docker Scale: 20k+ LOC, 25+ DB entities Key Responsibilities System Maintenance & Security (40%) Maintain 99.9% uptime for authentication services Investigate and resolve security incidents Optimize DB queries & caching for authentication flows Review audit logs and enforce security hardening Feature Development (35%) Build new authentication endpoints Enhance MFA & RBAC capabilities Integrate with new microservices and frontends Add compliance-driven security features Architecture & Leadership (25%) Maintain clean architecture & repository patterns Lead database schema evolution Write comprehensive technical documentation Mentor team members on security best practices Required Skills Authentication & Security (Primary): 3+ years in production authentication systems (JWT, OAuth, SSO, MFA) Enterprise RBAC implementation with tenant isolation Multi-factor authentication (TOTP, SMS/Email OTP, backup codes) Security incident investigation & breach response Password security (BCrypt, breach detection) Audit logging & compliance reporting .NET Development: 6+ years in C# 8+, ASP.NET Core Entity Framework Core (complex queries, performance tuning) Repository pattern, clean architecture, async/await RESTful API design & versioning Database & Performance: PostgreSQL: advanced SQL, indexing, optimization Redis: distributed caching, session/token storage Multi-tenant schema design & scaling DevOps: Docker multi-stage builds Azure services: Container Apps, Key Vault, Application Insights CI/CD pipelines & automated testing Ideal Candidate Deep expertise in authentication protocols & enterprise security patterns, proven success in multi-tenant SaaS authentication systems, security-first approach to architecture, and strong production debugging skills. Minimum Qualifications 3+ years in production authentication (JWT, OAuth, MFA, SSO) Experience with RBAC, password policies, audit logging, incident response Hands-on architecture & implementation of multi-tenant authentication systems
As a Senior Technical Recruiter at Experiture in Kolkata, India, you will be an integral part of our expanding team, contributing to our growth by effectively managing the end-to-end recruitment process for technical positions. Your passion for talent acquisition and ability to thrive in a fast-paced environment will be key as you source, screen, and engage top talent through various channels such as job portals, social media, networking, and referrals. Collaborating closely with hiring managers and stakeholders, you will play a crucial role in understanding hiring needs, developing job descriptions, and crafting compelling recruitment strategies. By maintaining recruitment metrics and utilizing data-driven insights, you will continuously refine and optimize the hiring process, ensuring efficiency and quality at every step. With 8+ years of extensive experience in technical recruitment, both in-house or agency settings, you will bring a proven track record of meeting and exceeding hiring targets within fast-paced technology environments. Your excellent communication skills, both verbal and written, will be essential in managing multiple roles and candidates simultaneously while maintaining a smooth and organized process with great attention to detail and follow-through. Ideally, you will have experience in US IT recruitment processes and the ability to start immediately or on short notice is a plus. By joining Experiture, you will have the opportunity to play a pivotal role in scaling our technical teams, benefit from a collaborative and growth-focused work culture, and enjoy a competitive compensation and benefits package. Additionally, you will work alongside industry experts, contributing to the shaping of Experiture's talent acquisition strategy. If you are excited about the prospect of being part of a dynamic organization and believe you are a great fit for this role, please send your updated resume and a brief note explaining why you would be an excellent addition to [your email/HR contact]. We are looking forward to meeting you and discussing how your skills and experience can contribute to our continued success.,