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Transforming Ideas into Scalable Digital Solutions As a Full Stack Developer & Solution Architect, I specialize in designing and delivering high-performance, secure, and scalable web applications tailored to business needs. From concept to deployment, I focus on clean architecture, efficiency, and long-term maintainability. Core Expertise Backend Development Java, Spring Boot, Microservices Architecture, Hibernate Python for automation, integrations, and data processing REST APIs, system integrations, and performance optimization Database design & tuning (MySQL, PostgreSQL, MongoDB) Frontend Development Modern UI development with ReactJS & Angular Responsive design using HTML5, CSS3, Bootstrap Advanced UI libraries: PrimeReact, PrimeAngular, Ant Design AI & Intelligent Integrations Integration with Claude AI and modern LLMs for smart automation AI-powered features like chatbots, content generation, and workflow enhancement DevOps & Tools Docker, CI/CD pipelines, Git (GitHub, GitLab) Cloud-ready solutions with scalable deployment strategies What You Can Expect Clean, production-ready code Scalable and future-proof architecture Strong focus on performance, security, and reliability Clear communication and on-time delivery Let’s build powerful, intelligent, and scalable solutions that drive real business impact. 🚀

I will design and develop oracle application as per your requirement within shortest possible time. I'm an Oracle Certified Professional (OCP) and I've strong professional experience & expertise of database project design and develop in Oracle I have over 9 years experience in the area of ​​IT: systems analysis, solution design, development, quality testing and shift control to production environment. Experience in analysis and solutions development in DB Oracle (PL / SQL) and SQL Server. Experience in user support. Area of Specialization ============== ✔ Oralce PL/SQL Programming ✔ Oralce SQL Programming ✔ Oracle Forms(All Types) ✔ Oracle Reports(All Types) ✔ Database Designing ✔ Query Handling ✔ Database Functions ✔ Database Procedures ✔ Database Packages ✔ Database Views ✔ SQL,PL/SQL complex queries ✔ Graphical User Interface (GUI) ✔ Data Guard Configuration ✔ RMAN Active Duplication ✔ Database Performance Tuning ✔ RMAN backup and recovery ✔ Oracle Forms and Reports Developer (6i, 10g,12c) ✔ Oracle Web Logic Server 12c ✔ Oracle Fusion Middle-ware 12c ✔ Windows, Linux, AIX Operating System ✔ Real application cluster(RAC) ✔ Database migration and upgrading ✔ Linux shell script ✔ Oracle automatic storage(ASM) ✔ SQL Server ✔ Apache tomcat ✔ Http server, haproxy, Lvm linux During my work experience I have Design multiple system in Oracle like -Hospital Management System, -Human Resource Management System, -Inventory Management System, -Fabric Management System, -Accounts Management System, -Order Management System, -Point Of Sale, -Export Management System, -School Management System. I have gained excellence in the field of systems, controls and analysis. My experience in automating manual tasks has been proven to be highly effective. I have also gained experience in system/process design and implementation. My passion is to help my clients solve financial issues and deliver the best quality of work they require. I look forward to a long-term relationship with my clients. Hope to hear from you soon!

IBM WAS 8.5.5 Certified and AWS Certified Solutions Architect/SysOps/Developer - Associate. Also OCI Certified. Have hands-on knowledge of EC2, VPC, RDS, IAM, Route53, S3, EFS, EBS, CloudFront, ELB, ACM, Secret Manager and ASG. Worked on Web Servers like Apache and Nginx Web Servers, Application Servers like IBM WebSphere Application Server, JBoss, and Tomcat. Worked on Standalone and Clustered Environments. Done LDAP Integrations, DB connectivity, and SSL/TLS Configurations of the servers. Oracle Cloud Infrastructure and Azure Certified. Worked on Linux and Windows Servers. I also developed my Expertise in Docker, Git, Linux, Kubernetes K8s CICD GitHub, GitLab, Ubuntu, Red Hat, Security, SonarQube , Trivy and DevOps engineering. Many Thanks, Muhammad Umar

Oracle certified associate, java 8 programmer I Over 13+ years, I have developed a wide range of web applications using Java, J2EE, JSF, Primefaces, Struts, LDAP, maven, Spring, Spring-boot, Spring-data, Spring-JPA, Hibernate, GWT, Oracle, MySql, Weblogic, Tomcat, WildFly/Jboss, PHP. My core competency lies in complete end-end management, I am seeking opportunities to build products from the ground up for you.

🚀 I build scalable backend systems and full-stack applications for SaaS platforms, startups, and enterprises — with 5+ years shipping production Java / Spring Boot systems, and hands-on MERN stack experience when projects call for a JavaScript-based full-stack build. I currently work as a Senior Software Engineer on Xcelerate, a microservices-based SaaS platform for restoration companies, where I develop and maintain 20+ Spring Boot microservices, build real-time messaging systems, and integrate third-party platforms like QuickBooks, RingCentral, Zapier, and Encircle. What I can help you build: ✔ Java & Spring Boot backend systems ✔ Microservices architecture & REST APIs ✔ MERN stack applications (MongoDB, Express, React, Node.js) ✔ Third-party integrations (QuickBooks, Stripe, Twilio, Zapier, RingCentral) ✔ Cloud deployments — AWS, Azure, GCP ✔ CI/CD pipelines (Jenkins, GitHub Actions), Docker ✔ Database design & query optimization (PostgreSQL, MySQL, MongoDB) ✔ Legacy system modernization (Java 8 → Java 21 migrations) Highlights: Led backend development across 20+ microservices for Xcelerate, a live SaaS platform for restoration companies Migrated infrastructure from VMs to Azure App Services, implementing Azure Front Door for traffic routing and load balancing Built WS Glam, a full-stack e-commerce platform from scratch — frontend, backend, admin panel, payment integration, and role-based access control Integrated Stripe subscription billing for Remojo and overhauled its backend architecture for scale Built a custom AML (Anti-Money Laundering) system from scratch, including case management tools and fraud detection workflows I think in terms of failure modes before I write code — what happens when a webhook fires twice, when an API rate-limits mid-sync, when a migration needs to run without downtime. I communicate proactively and hand off production-ready code with documentation to match. Let's talk about what you're building — I'll give you a straight technical assessment and a clear path forward.

🤵 12+ years of experience in full stack development 📩 Most Invited for Custom Software/Full Stack (Ruby on Rails, React, Node.js, Nest.js)/DevOps Solutions & Automation Solutions 🥇 24000+ Upwork Hours Hello, my name is Zaid and over the last 12+ years working on Ruby on Rails (RoR) and 6+ with Javascript, MERN (MongoDB, Express, React, Node.js) and Nest.js and also have experience in Artificial intelligence development, 1- One of the key project: (𝐃𝐌𝐀𝐑𝐂 𝐑𝐞𝐩𝐨𝐫𝐭). I worked on this platform for 9 years. It provides tools for monitoring and enforcing email authentication protocols, specifically DMARC (Domain-based Message Authentication, Reporting, and Conformance). I handled all their core infrastructure-level work. 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲 𝐒𝐭𝐚𝐜𝐤 (Ruby on Rails, Redis, PostgreSQL, AngularJS, Docker) 2- I have worked with 𝐒𝐮𝐜𝐜𝐞𝐬𝐬.𝐚𝐢 for the past 3 years, contributing to the platform's growth.. During this time, I helped implement and optimize advanced algorithms that provide real-time data analysis, turning raw data into actionable insights for users. 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲 𝐒𝐭𝐚𝐜𝐤 (React, Node.js, Next.js, AWS, Docker, Nest.js) 3- I worked with 𝐓𝐫𝐚𝐝𝐞𝐝.𝐜𝐨 for 4 years. I worked on integrating third-party APIs to extend the platform's capabilities, enabling seamless transactions and real-time data exchange. I solved core technical problems such as improving the booking engine's performance, creating dynamic search filters, and streamlining real-time updates to ensure a smooth user experience. 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲 𝐒𝐭𝐚𝐜𝐤 (Ruby on Rails, PostgreSQL, Redis, AWS, Vue.js, Paypal, Heroku, Stripe) 𝗡𝗼𝘁𝗲: If you have any project that requires immediate attention, whether upgrading the platform from old versions or building a platform from scratch. If you are facing some issues in your project, then I am here to solve your problems on an immediate basis. If you need some work on DevOps related work or Cyber Security solution, then I am here to get things done for you. I'm also a Cloud DevOps Engineer with more than 6 years of experience, specialized in cloud platforms such as AWS, Azure, DevOps, GCP and DigitalOcean - especially using tools like Docker, Kubernetes, Terraform, always focused on creating a very secure and highly available environment with great performance, monitoring, and cost optimization. I also have a huge expertise in CI/CD solutions such as Jenkins, Bitbucket Pipelines, GitHub Actions, GitLab, among others. Here is my Github username: zaidakram Full stack development Skills & Expertise: - Backend: Ruby, Rails, Python, Node.js, Nest.js, Express.js - Frontend JS: React.js, jQuery, Vue.js, Angular.js - Front-end UI development: HTML5, HAML, Twitter, Bootstrap, Tailwind CSS - Databases: PostgreSQL, MySQL, Sqlite, NoSQL, MongoDB, DynamoDB, SQL - TDD: RSpec, Mini_test, TestUnit - Testing frameworks: Selenium - Code Management: Github, Bitbucket - Server: AWS, Heroku, DigitalOcean, DevOps solution - Project Management Tools: Asana, Jira, Trello and few more as well My DevOps Skills: ~ DevOps ~ DevSecOps ~ Amazon Web Services (AWS): EC2, ECS, S3, IAM, Lambda, Route 53, CloudFront, CloudFormation, etc. ~ Microsoft Azure ~ Google Cloud Platform (GCP) ~ DigitalOcean ~ CI/CD ~ Docker ~ Kubernetes ~ Jenkins ~ Terraform ~ Ansible ~ Serverless ~ Deployment Automation ~ Automated Tests ~ Apache, Tomcat and Nginx ~ Git/SVN ~ Linux (Ubuntu/RedHat/CentOS) ~ SQL/ NoSQL ~ Network Protocols Whether you're looking for long-term collaborations or need expert advice for a short-term project, I'm here to help. Let's take your business to the next level—message me on Upwork or schedule a consultation to discuss your specific needs. keywords: #devops, #devsecops, #AWS, #azure devops, #Amazon Web services,# EC2, #ECS, #Fullstack, #backend, #frontend, #React, #React.js, #Node, #Nest.js, #Ruby, #Rails, #Ruby on Rails, #Rspec, #Tailwind CSS, #Bootstrap, #Vue, #Vue.js, #Docker, #CI/CD, #Ansible, #Azure, #Kubernetes, #Jenkins, #Terraform, #Ansible, #Serverless, #Git, #Automation, #Deployment, #Python, #Node.js, #Express.js, #SQL, #PostgreSQL, #Selenium, #Jira, #Github, #Linux, #GCP, #Google Cloud Platform, #DigitalOcean, #ROR, #ruby gems, #ios, #android, #Artificial intelligence, #AI, #Machine Learning, #firebase, #SaaS, #SaaS development, #API, #Restful API, #Healthtech, #Health #Natural Language Processing #typescript, #ECS, #Terraform, #serverless