About Experiture
We’re building a Campaign Intelligence Engine (CIE) — a cutting-edge SaaS platform empowering enterprises to run smarter marketing campaigns. Our authentication microservice is the security backbone protecting sensitive campaign data for global enterprise clients.
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 servicesInvestigate and resolve security incidentsOptimize DB queries & caching for authentication flowsReview audit logs and enforce security hardeningFeature Development (35%)Build new authentication endpointsEnhance MFA & RBAC capabilitiesIntegrate with new microservices and frontendsAdd compliance-driven security featuresArchitecture & Leadership (25%)Maintain clean architecture & repository patternsLead database schema evolutionWrite comprehensive technical documentationMentor team members on security best practicesRequired Skills
Authentication & Security (Primary) :3+ years in production authentication systems (JWT, OAuth, SSO, MFA)Enterprise RBAC implementation with tenant isolationMulti-factor authentication (TOTP, SMS / Email OTP, backup codes)Security incident investigation & breach responsePassword security (BCrypt, breach detection)Audit logging & compliance reporting.NET Development :6+ years in C# 8+, ASP.NET CoreEntity Framework Core (complex queries, performance tuning)Repository pattern, clean architecture, async / awaitRESTful API design & versioningDatabase & Performance :PostgreSQL : advanced SQL, indexing, optimizationRedis : distributed caching, session / token storageMulti-tenant schema design & scalingDevOps :Docker multi-stage buildsAzure services : Container Apps, Key Vault, Application InsightsCI / CD pipelines & automated testingIdeal 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 responseHands-on architecture & implementation of multi-tenant authentication systems