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DevOps and Observability Engineer with hands-on experience supporting production environments in AWS. I help companies improve monitoring, automate operational tasks, troubleshoot infrastructure issues, and increase system reliability. Areas of expertise: • Grafana dashboards and monitoring • Zabbix implementation and alert tuning • ELK / Elastic Stack • AWS infrastructure • Linux administration • Python automation • Docker and Kubernetes • Terraform and Infrastructure as Code I focus on practical solutions, clear communication, and reliable delivery.

You need a real engineer - not a no-code automation guy. I build production AWS systems that scale. I'm Kamran, an AWS-specialized Full Stack Engineer with 5+ years delivering SaaS platforms, serverless backends, and AI-integrated applications - all built natively on AWS. --- 🏆 What I've delivered: - SaaS platforms with multi-tenancy, billing, and RBAC on AWS - AI-powered chatbots and automation using Bedrock, Lex, Comprehend, Polly, Textract - Browser automation systems with Playwright running on ECS Fargate + SQS - Document intelligence pipelines - extract, summarize, classify at scale - Enterprise HCM platforms serving Middle East organizations on AWS - Infrastructure as Code with CDK - clean, auditable, repeatable --- 💡 You should hire me if: - You're building a SaaS product and need solid AWS architecture - You need AI features built into your product - chatbots, document processing, summarization, transcription, ai processing - You want serverless that actually works in production, not just demos - You need an engineer who owns the problem end to end --- 🔹 AWS Stack: Lambda · Step Functions · CDK · API Gateway · DynamoDB · Aurora · Cognito · EC2 · ECS · ECR · S3 · SQS · SNS · EventBridge · IAM · Bedrock · AgentCore · Lex · Comprehend · Textract · Polly · Transcribe · Rekognition · CloudWatch · Amazon Connect · AgentCore · RDS · ElastiCache · Athena · Glue · Kinesis · Redshift · VPC · Route 53 · CloudFront · ACM · WAF · Secrets Manager · Parameter Store 🔹 Supporting Tech: Node.js · NestJS · Python · FastAPI · React · Next.js · PostgreSQL · Kafka --- Quality, Commitment, and Trust — on every project. 📩 Tell me what you're building. Let's ship it on AWS.

If you need a secure Java Spring Boot application, PKI infrastructure, Digital Signature solution, HSM integration, or enterprise authentication system, you’re in the right place. I am a PKI & Cryptography Engineer with 12+ years of experience building secure, scalable, and enterprise-grade applications using Java Spring Boot, Angular, ReactJS, Cryptography, Certificate Authorities (CA/RA), and Hardware Security Modules (HSMs). I help organizations build secure enterprise systems, including digital signature platforms, PKI infrastructures, authentication systems, certificate lifecycle management solutions, secure APIs, and full-stack Java applications. My focus is on security, scalability, performance, and long-term maintainability. 𝐖𝐡𝐚𝐭 𝐈 𝐂𝐚𝐧 𝐁𝐮𝐢𝐥𝐝 𝐟𝐨𝐫 𝐘𝐨𝐮 𝐏𝐊𝐈 & 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐞 𝐋𝐢𝐟𝐞𝐜𝐲𝐜𝐥𝐞 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 I build secure PKI infrastructures, including Certificate Authorities (CA), Registration Authorities (RA), certificate issuance systems, revocation systems, and enterprise certificate lifecycle management platforms. 𝐃𝐢𝐠𝐢𝐭𝐚𝐥 𝐒𝐢𝐠𝐧𝐚𝐭𝐮𝐫𝐞 & 𝐞𝐒𝐢𝐠𝐧𝐚𝐭𝐮𝐫𝐞 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 I develop secure digital signing solutions for PDF, XML, and enterprise documents using PAdES, CAdES, XAdES, and S/MIME standards. 𝐇𝐒𝐌 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 & 𝐒𝐞𝐜𝐮𝐫𝐞 𝐊𝐞𝐲 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 I work with AWS CloudHSM, Thales HSM, and SafeNet HSM for secure key generation, storage, cryptographic operations, signing workflows, and enterprise-grade key management. 𝐉𝐚𝐯𝐚 𝐒𝐩𝐫𝐢𝐧𝐠 𝐁𝐨𝐨𝐭 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 I build secure and scalable backend systems using Java Spring Boot, REST APIs, microservices architecture, secure authentication systems, and enterprise application development practices. 𝐉𝐚𝐯𝐚 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 I develop full-stack enterprise applications using Java Spring Boot, Angular, and ReactJS for secure business platforms, admin portals, dashboards, workflow systems, and enterprise web applications. 𝐀𝐮𝐭𝐡𝐞𝐧𝐭𝐢𝐜𝐚𝐭𝐢𝐨𝐧 & 𝐈𝐝𝐞𝐧𝐭𝐢𝐭𝐲 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 I build authentication and authorization systems using Keycloak, SAML, OAuth2, SSO, Auth0, and WSO2 for secure enterprise access management. 𝐒𝐞𝐜𝐮𝐫𝐞 𝐀𝐏𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 I create secure REST APIs with authentication, authorization, encryption, digital signatures, access control, and third-party system integrations. 𝐒𝐦𝐚𝐫𝐭 𝐂𝐚𝐫𝐝 & 𝐔𝐒𝐁 𝐓𝐨𝐤𝐞𝐧 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 I integrate smart cards, USB tokens, cryptographic devices, and hardware-backed authentication systems for secure identity verification and signing solutions. 𝐂𝐥𝐨𝐮𝐝 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞 & 𝐃𝐞𝐯𝐎𝐩𝐬 I work with AWS services, including EC2, S3, RDS, Route53, KMS, and CloudHSM, along with Docker, Jenkins, CI/CD pipelines, and secure deployment environments. 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞 • Strong experience in enterprise security systems • Deep specialization in PKI and Digital Signature solutions • Secure and scalable application architecture • Clear communication and structured development process • Focus on long-term maintainability and reliability • Experience with high-security enterprise environments • Ability to handle both backend and frontend development If you are looking for a reliable PKI & Digital Signature Engineer or Java Full-Stack Developer who can build secure, scalable, and enterprise-grade applications, send me a message or invite me to your project.

Need a secure, seamless Single Sign-On (SSO) solution for your business? I can help. I’m a Senior IAM Consultant with 8+ years of experience specializing in Identity and Access Management (IAM). I design and implement robust authentication systems using Okta, Microsoft Entra ID (Azure AD), Keycloak, Shibboleth, OneLogin, Auth0, OpenFGA, and custom SAML 2.0, OAuth 2.0, and OpenID Connect (OIDC) providers. I also have expertise in LDAP, WS-Fed, RADIUS, JWT, and other authentication protocols to simplify access control and safeguard critical data. My Expertise: ✅ SSO & Authentication Solutions – Implementing SAML 2.0, OAuth 2.0, JWT-based logins, API key-based security, and server-to-server authentication. ✅ IAM Integration & Setup – Configuring Okta, Microsoft Entra ID, Keycloak, ADFS, OneLogin, Auth0, Identity Server 8, and other IAM providers, Simple SAML PHP. ✅ Troubleshooting Authentication Issues – Resolving login-related issues for SAML, OAuth, and custom identity providers. ✅ Fine-Grained Authorization – Deploying reverse proxy and bridge solutions, OpenFGA, and custom authorization mechanisms. ✅ User Provisioning & Governance – Secure provisioning/de-provisioning of users, groups, and resources via SCIM, custom scripts, or scheduled sync with databases, Active Directory, or other identity sources. ✅ Multi-Factor Authentication (MFA) & Identity Governance – Enhancing security with strong IAM policies. Technical Skills: I am proficient in PHP, Java, JavaScript, Python, Golang, Shell Scripting, and various frameworks, including Spring, Spring Boot, Node.js, React, Angular, Django, WordPress, CodeIgniter, Symfony, Laravel, Gin, and more. DevOps & Cloud Security: ✅ Cloud & On-Prem Infrastructure – Hands-on experience with AWS, EKS, EC2, Kubernetes (K8s), Docker, KAAS, SAAS, and on-prem deployments. ✅ Application Deployment & Security – Securing and deploying applications in cloud and on-prem environments. 🛠️ Identity Providers I’ve Worked With (100+): ✅ Google SSO login ✅ Microsoft Entra ID (Azure AD) SSO ✅ Okta SSO Integration ✅ Keycloak SSO ✅ Oracle IAM – OCI IAM, OAM, OIM ✅ Oracle Student Financial Aid (SFA) ✅ GitHub SSO ✅ Ping Federate SSO Login ✅ Auth0 Universal Login Setup ✅ OneLogin SSO Integration ✅ Shibboleth IdP/SP ✅ JumpCloud SSO Login ✅ ForgeRock IAM ✅ IdentityServer4/8 ✅ WSO2 Identity Server ✅ SimpleSAMLphp ✅ Custom SAML SPs ✅ AWS Cognito SSO ✅ Salesforce SSO ✅ G Suite Login ✅ Apple & Facebook OAuth ✅ Slack / Zoom OAuth Integration ✅ ADFS (Active Directory Federation Services) ✅ LDAP & RADIUS Authentication ✅ CyberArk Identity ✅ Centrify (now Delinea) ✅ IBM Security Verify / Tivoli Access Manager ✅ NetIQ Access Manager / Micro Focus ✅ Bitwarden SSO / Enterprise Login ✅ Duo SSO (Cisco Secure Access) ✅ VMware Workspace ONE Access (formerly vIDM) ✅ Zoho Directory / SSO ✅ Atlassian Access (Jira, Confluence SSO) ✅ SAP IAS / IPS ✅ Azure B2C & B2B Flows ✅ Facebook Workplace SSO ✅ Moodle SSO (via SAML / OIDC plugins) ✅ Canvas LMS SSO Integration ✅ OpenAM (legacy Sun Access Manager) ✅ FreeIPA / Red Hat SSO ✅ Ory Hydra / Kratos ✅ FusionAuth ✅ Gluu Server / Janssen Project ✅ NetIQ eDirectory SSO ✅ Apache Knox (for Hadoop ecosystem) ✅ IBM ISAM / ISVA ✅ Citrix Gateway (SSO via SAML/OAuth) ✅ Palo Alto Prisma Access (SAML Integration) ✅ CrowdStrike Falcon Identity ✅ BeyondTrust Identity Security ✅ Keeper Enterprise SSO ✅ Zoho One / Zoho Directory ✅ Freshworks SSO (Freshservice, Freshdesk) ✅ ServiceNow SSO Integration If you're looking for an IAM expert who can secure your authentication workflows, integrate IAM solutions, and troubleshoot identity-related challenges, let's connect!

Hello! I’m a Senior Backend Engineer with 10+ years of experience building scalable, secure, and high-performance systems using Java (Spring Boot), Python, and Node.js. I help businesses design and develop robust backend architectures, microservices, APIs, and AI-powered platforms—especially in healthcare, wellness, e-commerce, and AI-driven products. 🚀 What I can help you with: * Design & build scalable backend systems and microservices * Develop high-performance REST APIs using Spring Boot, FastAPI, and Node.js * Build AI-powered platforms using RAG pipelines, embeddings, vector databases, and LLM integrations * Implement secure authentication and authorization (Keycloak, JWT, OAuth2, Cognito) * Build event-driven systems using Kafka and RabbitMQ * Develop AI content and knowledge platforms with Next.js, Qdrant, and CMS integrations * Design healthcare integrations using FHIR and Azure Health Data Services * Optimize performance, scalability, observability, and fault tolerance 🛠️ Core Tech Stack: * Java, Spring Boot, Python, FastAPI, Node.js * Microservices, REST APIs, Event-driven Architecture * Kafka, RabbitMQ * MySQL, PostgreSQL, Qdrant * Keycloak, AWS Cognito, Spring Security * AWS, Azure (FHIR, Functions, Storage) * Next.js, AI/LLM integrations, RAG pipelines 🧩 Recent Work Highlights: -- AI-Powered Traditional Medicine Platform (AdiVaidya) * Built an AI-powered health content and knowledge platform focused on Ayurveda, Siddha, Unani, Homeopathy, and Naturopathy * Developed intelligent RAG pipelines using embeddings, vector databases (Qdrant), and LLM-based generation * Implemented semantic search, PDF parsing pipelines, structured AI content generation, and disease-specific retrieval workflows * Designed scalable backend APIs and AI microservices using Spring Boot, Python, and Node.js * Integrated SEO-driven content architecture, sitemap generation, analytics, and AI-assisted workflows -- Healthcare SaaS Platform (CareNexus) * Built scalable backend for patient care and remote monitoring systems * Integrated Azure FHIR services and AI-based patient assessments * Designed secure architecture using Keycloak and JWT-based authentication -- E-commerce Platform * Developed high-performance APIs using Spring Boot and Node.js * Implemented event-driven architecture using Kafka and RabbitMQ -- Secure Enterprise System (DoD Project) * Built backend services with AWS integrations * Focused on security, monitoring, scalability, and reliability

I’m a Top-Rated (5⭐️) Full Stack Engineer with over 4+ years of experience delivering high-quality backend systems, APIs, and full-stack web applications. I specialize in Java/Kotlin with Spring Boot on the backend and Vue/Nuxt on the frontend, supported by modern DevOps and cloud-native practices. I help teams build reliable, scalable, and maintainable software systems, whether it's creating new applications from scratch or improving and refactoring existing codebases for better performance and maintainability. 🔧 My Expertise Covers 🔹 Building RESTful APIs and microservices using Spring Boot (Java/Kotlin) 🔹 Real-time web applications using WebSocket (e.g., chat, live updates) 🔹 Implementing secure authentication & SSO with OAuth 2.0 and OpenID Connect 🔹 Full-stack development with Vue.js, Nuxt.js, Tailwind CSS, and Bootstrap 🔹 Working with relational (PostgreSQL, MySQL), in-memory (Redis), and graph (Neo4j) databases 🔹 Automating CI/CD workflows using GitHub Actions and Docker 🔹 Provisioning and deploying to GCP services (Cloud Run, Cloud SQL, GCS, Cloud Tasks, Cloud Scheduler, Load Balancer) 🔹 Deploying and managing applications on Linux VPS (Ubuntu) 🚀 What I Bring 🔹 Clean, modular, and well-documented codebases 🔹 End-to-end ownership from architecture to deployment 🔹 Real-time, scalable solutions tailored to your product needs 🔹 Proactive communication and on-time delivery 🔹 Strategic insight to improve features, reliability, and scalability Whether you need a full-stack developer to take your product from idea to launch, or a backend specialist to build real-time APIs and services, I’m ready to contribute to your success. Let’s build something exceptional.