Freelancers using Oracle in LahoreFreelancers using Oracle in Lahore
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Saraj Menghwar's avatar
Saraj Menghwar
Lahore, Pakistan
DevSecOps Engineer & Linux Administrator | AWS | Docker
New to Contra
DevSecOps Engineer & Linux Administrator | AWS | Docker
Cover image for The Objective: Design and deploy
The Objective: Design and deploy a fault-tolerant database architecture to eliminate single points of failure, ensure zero-downtime failover, and optimize performance for mission-critical applications. The Execution: Architected a secure 3-node PostgreSQL cluster on Linux. Configured Pgpool-II for intelligent connection pooling and read/write query routing, drastically reducing primary server load. Implemented automated health checks and failover mechanisms to ensure instant, zero-intervention replica promotion if the primary node goes down.
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Cover image for Designed and implemented a CI/CD
Designed and implemented a CI/CD pipeline to automate the build, testing, and deployment process of a web application. Integrated GitHub with Jenkins to trigger automated builds on code commits. Containerized the application using Docker and deployed it to AWS EC2. This reduced manual deployment efforts and improved release consistency and reliability.
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Cover image for A high-traffic SaaS client required
A high-traffic SaaS client required a comprehensive security overhaul of their production infrastructure. The goal was to systematically reduce the attack surface, mitigate vulnerabilities, and enforce strict access controls without disrupting live system performance. This project involved a top-to-bottom audit and the implementation of robust hardening techniques across the network, OS, and application layers to ensure resilience against zero-day exploits and unauthorized access
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Cover image for Deployed the MindMesh full-stack app
Deployed the MindMesh full-stack app to a production-ready environment. I provisioned a secure Ubuntu 24.04 LTS server on DigitalOcean and used Docker to containerize the Node.js backend, React frontend, and PostgreSQL database. For routing, I configured an Nginx reverse proxy and managed DNS via Name.com (http://Name.com) to connect the custom domain. Finally, I implemented email authentication (DKIM, DMARC) for reliable delivery. This showcases my DevOps expertise in transforming local code into a highly secure, scalable, and live architecture.
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Oracle(1)
Muhammad Usama Iftikhar's avatar
Muhammad Usama Iftikhar
Lahore, Pakistan
Full-Cycle Bookkeeper | 4+ Yrs Experience
New to Contra
Full-Cycle Bookkeeper | 4+ Yrs Experience
Cover image for I’m a professional Bookkeeper and
I’m a professional Bookkeeper and Accountant with 4+ years of experience handling US and Canadian based clients. Skilled in QuickBooks, CaseWare, NetSuite, Blackline and full-cycle accounting, I help businesses keep accurate records, manage finances, and stay audit-ready. Services I offer: • Bookkeeping & Cleanups • Bank Reconciliation • Financial Reporting • AP/AR Management If you’re looking for reliable and detail-oriented support, feel free to reach out. Let’s keep your finances on track!
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Cover image for Monthly and Quarterly Accounts Reconciliations.
Monthly and Quarterly Accounts Reconciliations.
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Cover image for Doing Bookkeeping on it for
Doing Bookkeeping on it for US Client.
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Cover image for My Overall Work Experience.
My Overall Work Experience.
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Oracle(3)