Mohammad Tarhini

❖ Developed and maintained integration APIs using .NET, enabling seamless communication between internal and external systems ❖ Engineered a payment processing system in .NET, handling transaction flows, security, and third-party integrations ❖ Designed and implemented a Retrieval-Augmented Generation (RAG) system using LangChain, FastAPI, and LLM models, enabling semantic search and intelligent responses for enterprise knowledge retrieval. Integrated vector databases and embedding pipelines for optimal performance. ❖ Built and managed cloud infrastructure using DevOps and MLOps best practices, including CI/CD pipelines, infrastructure-as-code, containerization, and monitoring ❖ Deployed AI components in Azure Machine Learning and containerized services on Azure Kubernetes Service (AKS) for scalability and observability. ❖ Developed and supported frontend applications using Blazor for internal tools and Angular for client-facing platforms. ❖ Applied agile methodologies and contributed to sprint planning, code reviews, and continuous improvement of team workflows Stack: .NET, Python, Docker, CI/CD, IaC, Kubernetes, Git, Agile/Scrum, Gitlab, Angular, OpenAI, RAG, FastAPI, LangChain, LLM

❖ Led the planning and architectural design for a robust, secure, and scalable GitOps-based solution to automate the management of Kubernetes clusters running on bare-metal servers within internal networks ❖ Engineered a comprehensive architecture leveraging GitLab for version control and CI/CD, Crossplane for declarative infrastructure management, and Kubernetes for application deployment ❖ Designed and documented detailed infrastructure-as-code (IaC) repositories for Kubernetes manifests and Crossplane configurations, including environment-specific configurations for development, staging, and production ❖ Developed and configured GitLab CI/CD pipelines to automate the build, test, and deployment of applications and infrastructure changes, adhering to GitOps principles ❖ Integrated key security considerations into the design, including secrets management strategies, Role-Based Access Control (RBAC), and policy enforcement using tools like OPA/Gatekeeper ❖ Established observability and monitoring frameworks with recommendations for tools like Prometheus, Grafana, and Loki, along with alerting mechanisms ❖ Formulated a detailed action plan encompassing implementation steps, tool recommendations, and best practices for CI/CD, repository structuring, and performance optimization ❖ Created foundational CI/CD pipelines on Azure DevOps to accelerate developer deployments while the comprehensive GitOps solution was being developed ❖ This proactive measure improved team efficiency and delivery speed

❖ Spearheaded the development and maintenance of infrastructure for SaaS and Edge deployments, utilizing DevOps and DevSecOps principles to ensure secure, efficient operations. ❖ Actively involved in the strategic planning and execution of migrating from on-premise infrastructure to cloud environments, demonstrating in-depth knowledge of cloud technologies and best practices. ❖ Played a pivotal role in designing and implementing automation solutions, leading to significant improvements in system reliability and performance. ❖ Provided expert-level support for edge customers and mentored junior team members, fostering a collaborative and knowledge-sharing environment. ❖ Showcased comprehensive expertise in modern infrastructure technologies including Kubernetes, AWS, and Azure, along with proficiency in automation tools like Terraform, Ansible, CloudFormation, Pulumi, and Helm. ❖ Led the migration from Bamboo to GitHub, designing and implementing reusable workflows in GitHub Actions, streamlining development processes, and enhancing team productivity.

❖ Use AWS Lambda and Node.js to build a microservices backend, integrating several APIs together to create a full solution called the integration HUB to standardize the communication of hundreds of services, using both Async and Synchronous methods. ❖ Create AWS AppSync GraphQL schemas, queries and mutations to manipulate data needed for integrations. ❖ Monitor and debug AWS resources using Cloudwatch and AWS Xray. ❖ Use different types of APIs for the various integrations (REST, Soap, etc..). ❖ Manage the full infrastructure of the integration HUB using Terraform, create AWS resources (Lambda functions, SQS, SNS, AppSync, etc.), update needed configurations and managing environment deployments. ❖ Deploy and monitor solutions throw Jenkins Pipelines. ❖ Create and manage Google Apigee proxies and applications to act as a gateway for many of the integrations in the HUB. ❖ Implement Amazon Simple Notification Service and Amazon Simple Queue Service to create Async integrations. ❖ Use several AWS database services in different integration: DynamoDB, Aurora, etc. ❖ Coordinate with other teams to do testing sessions for integrations for all environment releases and providing support and documentation for the process.

Royal Financials (Lebanon, Australia, Cyprus, Saint Vincent, Vanuatu) ❖ Experience writing clean code in multiple programming languages. ❖ Using Laravel, NodeJS, VueJS, and Angular to build the company web applications: client-facing portals and an internal BackOffice system so we have centralized client management for our global business. ❖ Designed and documented REST/HTTP, SOAP APIs, including JSON data formats and API versioning strategy. ❖ Increased team productivity using .NET, Python, and PowerShell to automate departments tasks (e.g.: AD and Exchange management system) ❖ Integrating worldwide online payment services such as Perfect Money, Ecommpay, Bridger, PayQuay, GlobepayInc , etc; ❖ Database Development, Administration, Maintenance, Replication. ❖ Integrating account management features from MT4 trading platform to the portals and BackOffice. ❖ Lead development team in designing/migrating AWS cloud-based solutions including serverless infrastructure and galera clusters ❖ Developing CI/CD pipelines for build, test, and deployment ❖ Automated environment provisioning and configuration using container technologies (Docker, Kubernetes)

❖ Managing business-critical IT tasks and systems and monitor the performance of servers (PRTG, Icinga, Office365, AD, Exchange, etc…) ❖ Database Development, Administration, Maintenance, Replication (Microsoft SQL, MySQL, etc…) ❖ VMWare ESXi Infrastructure Administration and management ❖ Directed the implementation and performance tuning of company’s local and offshore servers including AWS infrastructure for the websites. ❖ Resolved applications downtime by introducing HA Solutions. ❖ Performed manual security testing (PenTesting) on critical applications, Experience in different web application security testing tools. ❖ Uncovered high vulnerabilities at the infrastructure level for internet facing websites. ❖ Responsible for installation, configuration, and administration Linux servers, firewall management, and provided custom backup solutions ❖ Maintain metrics and reporting on the PCI governance and compliance program. ❖ SIEM and MDM Configuration, and Reporting (Alienvault, IBM MaaS360) ❖ Trained Employees on best security practices and principles ❖ Responsible for installation, configuration, and administration Linux servers, firewall management, and provided custom backup solutions

❖ Customer Support. ❖ Dedicated Servers, and HyperV Management (On-Off site) ❖ Computer Maintenance and Repair. ❖ Directed the technical support team managing clients infrastructure ❖ Developing Tools to facilitate and improve work solutions (C#, C, etc.) ❖ Manage Security Solutions, Security scans, Antivirus Infrastructure ❖ Configured and maintained Linux servers, managed multiple user accounts, and provided beneficial technical assistance