Hire the Best Auth0 Professionals

I help SaaS platforms and enterprises implement enterprise SSO and resolve complex SAML SSO, OAuth SSO, and AD/LDAP across Google, Okta, Entra ID (Azure AD), Keycloak, Auth0 and AWS Cognito with seamless user experience. 🎯 What I Help You Achieve → Implement SSO (SAML / OAuth / OIDC) across Okta, Entra ID, Keycloak, Auth0, AWS → Enable multi-IdP authentication for SaaS platforms → Resolve SSO failures (SAML errors, OAuth callbacks, redirect loops) → Design secure authentication & authorization architectures → Implement SCIM provisioning and lifecycle automation → Support enterprise customer onboarding with SSO (B2B SaaS integrations) 🔐 Core IAM Expertise ✅ SSO / Identity Federation → SAML SSO, OAuth 2.0, OpenID Connect (OIDC) → Multi-IdP integration (Okta, Entra ID, Keycloak, Google, Auth0, AWS) → Enterprise SSO for SaaS (multi-tenant, domain-based login) → Identity federation design and custom authentication flows ✅ Authorization & Access Control → RBAC / ABAC implementation → Fine-grained authorization (OpenFGA, OPA) → Secure API authentication & token validation (JWT lifecycle) → Session management and access policy enforcement ✅ MFA & Security → MFA: OTP, TOTP, WebAuthn, YubiKey, Push → Conditional access & adaptive authentication → Step-up authentication and risk-based flows ✅ User Lifecycle & Provisioning → SCIM 2.0 integrations → AD / LDAP sync → Automated provisioning & deprovisioning → Identity migration and federation transitions ✅ Troubleshooting Complex SSO & OAuth Issues → SAML assertion and metadata issues → OAuth redirect / callback errors → Token validation and session misconfigurations → Infinite redirects, login failures, federation issues 🛠️ Identity Platforms Primary: Okta • Microsoft Entra ID • Keycloak • Auth0 • AWS Cognito • Google Workspace Enterprise: Ping • OneLogin • ForgeRock • IBM Verify • Shibboleth • ADFS • WSO2 Custom / Open Source: Custom SAML SP/IdP • IdentityServer • SimpleSAMLphp • LDAP / RADIUS 🧠 Why Clients Work With Me → Delivered enterprise SSO integrations across 20+ identity providers → Deep expertise in SAML, OAuth, OIDC internals (not just configuration) → Strong debugging capability for complex identity issues → Experience building multi-tenant SaaS authentication systems → Clean, production-ready implementations with documentation ⚙️ Tech Stack Java • Node.js • Python • Golang • TypeScript • .NET • PHP Spring Security • Express • Django • React • Angular SAML2 • OAuth2 • OIDC • JWT • SCIM • MFA • WS-Fed • RBAC AWS • OCI • Docker • Kubernetes • CI/CD 📌 Available for hourly, fixed-rate, and long-term IAM engagements Let’s make identity your strongest layer, secure, scalable, and seamless.

SSO developer with 8+ years of experience in to identity and access management.Possess good knowledge on integrating different apps using SAML/OIDC/OAUTH. Possess experience in using different libraries for saml/oidc that includes below programming langauge: ★ NodeJs ★ ReactJS ★NestJS ★ Angular ★ PHP/larvel ★ Python ★ .NET Possess experience in using different identity providers such as : ★ KeyCloak ★ AzureAD ★ PINGFed/PingOne ★ Auth0 ★ OKTA ★ ISAM/ISIM ★ AWS ★ SailPoint

𝐖𝐞 𝐨𝐟𝐟𝐞𝐫 𝐅𝐑𝐄𝐄 𝐭𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐜𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐭𝐢𝐨𝐧 𝐚𝐧𝐝 𝐚 𝐅𝐑𝐄𝐄 𝐪𝐮𝐢𝐜𝐤 𝐫𝐞𝐯𝐢𝐞𝐰 𝐨𝐟 𝐲𝐨𝐮𝐫 𝐩𝐫𝐨𝐣𝐞𝐜𝐭, 𝐚𝐧𝐝 𝐮𝐬𝐮𝐚𝐥𝐥𝐲 𝐫𝐞𝐬𝐩𝐨𝐧𝐝 𝐰𝐢𝐭𝐡𝐢𝐧 𝐚 𝐟𝐞𝐰 𝐡𝐨𝐮𝐫𝐬. We are Teaser Software, an ITO company based in Hanoi, Vietnam. If you’re looking for a reliable team to take your project from idea → design → development → launch → maintenance, while leveraging AI to accelerate development and improve efficiency without compromising quality, you’re in the right place. Whether you already have a detailed specification or just an initial idea, we can help shape it into a clear roadmap with realistic timelines and costs. 𝐋𝐞𝐭’𝐬 𝐜𝐨𝐧𝐧𝐞𝐜𝐭. 𝐉𝐮𝐬𝐭 𝐬𝐞𝐧𝐝 𝐮𝐬 𝐚 𝐦𝐞𝐬𝐬𝐚𝐠𝐞 𝐚𝐧𝐲𝐭𝐢𝐦𝐞. 𝐖𝐞 𝐰𝐨𝐫𝐤 𝐰𝐢𝐭𝐡 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐚𝐜𝐫𝐨𝐬𝐬 𝐦𝐮𝐥𝐭𝐢𝐩𝐥𝐞 𝐭𝐢𝐦𝐞 𝐳𝐨𝐧𝐞𝐬, 𝐬𝐨 𝐨𝐮𝐫 𝐭𝐞𝐚𝐦 𝐢𝐬 𝐚𝐯𝐚𝐢𝐥𝐚𝐛𝐥𝐞 𝟐𝟒/𝟕, 𝐢𝐧𝐜𝐥𝐮𝐝𝐢𝐧𝐠 𝐰𝐞𝐞𝐤𝐞𝐧𝐝𝐬.

Senior Full-Stack Developer | React, Next.js, React Native | AI & SaaS Expert I help startups and founders build scalable web and mobile products that are secure, maintainable, and ready for real-world growth. With 10+ years of experience, I specialize in taking products from idea to production. I have delivered SaaS platforms, AI-powered applications, healthcare systems, fintech products, and enterprise solutions used by thousands of users worldwide. What I Bring to Your Project Full-Stack Expertise: End-to-end development from frontend (React, Next.js) to backend (Node.js, AWS) and mobile (React Native). AI Integration: Building AI agents, RAG systems, and automation workflows using OpenAI, Claude, and Base44. Scalable Architecture: Clean code, reliable delivery, and long-term technical ownership. Industry Experience: Healthcare, FinTech, Marketplaces, Delivery, Gaming, and Social Platforms. Core Tech Stack Frontend: React.js, Next.js, Vue.js, Angular, TypeScript, Tailwind CSS Mobile: React Native, Expo, iOS & Android Deployment Backend: Node.js, Express, Firebase, Supabase, PostgreSQL, MongoDB, AWS Payments & APIs: Stripe, RevenueCat, GraphQL, REST APIs, Webhooks Selected Projects TradeBulls: Trading platform supporting equities, derivatives, and commodities. Vuukle: Community platform serving millions of users globally. Store To Door: Same-day delivery platform with driver and dispatch workflows. iPass: Identity verification solution with OCR and liveness detection. Why Clients Work With Me - 10+ Years of Professional Experience - Production-Ready, Maintainable Code - Clear Communication & Reliable Delivery - Comfortable Taking Ownership of Existing Codebases - Long-Term Partnership Mindset Whether you need an MVP, AI-powered SaaS platform, or an experienced engineer to improve an existing product, I can help deliver a scalable solution that supports your business goals.

Software Engineer with solid expertise in front-end development, specializing in React.js, Next.js, and TypeScript. Skilled in building scalable web applications, complex dashboards, and advanced filtering systems using modern frameworks like Refine.dev and Ant Design. Experienced with backend development in Python (FastAPI) and familiar with Node.js, enabling full-stack capabilities. Worked on a wide range of projects, including CRM, HRM, e-commerce, delivery systems, landing pages, and traffic platforms. Passionate about creating efficient user experiences, writing clean and maintainable code, and continuously improving skills in backend development and algorithms.

Dear client! My name is Lex, I am am AWS Engineer. Let me ask you: did you have it all on Upwork? Contractors who go offline for days without notice? Freelancers ruined your production environments? Agencies knowing what you need better than you? Indian folks who don't have a clue about a single thing written on their profiles? My morals are different. ⭐️ I am always on for you. My response SLA is minutes. Not hours. Not days. Minutes. ⭐️ My consulting style is gentle and non-invasive. You always have the final say. ⭐️ I am a narrow specialist: AWS is the only thing I sell here, but be certain that I am the best in my league. This is some of things I enjoy: ✅ Web and mobile cloud-native microservice and serverless architectures (AWS) ✅ Cloud solutions cost reduction ✅ External API providers and COTS systems integration using Apache Camel and n8n ✅ Data pipelines, ETLs, ELTs ✅ Bespoke technology assessments ✅ Fully autonomous AI agents My Technology Background ✅ Industry-standard enterprise Java stack: Spring Boot, Hibernate, Apache Camel ✅ Experience with Apache Kafka, ElasticSearch, Redis ✅ Exposure to front-end stack and paradigms: Angular, React, micro-frontends, SPAs ✅ Data stores: PostgreSQL, MySQL, MongoDB ✅ Cloud providers: Amazon Web Services ✅ Standards and protocols: OpenAPI, REST, Json RPC, GraphQL, Mambu, n8n