Expert in relational database systems, especially PostgreSQL (Supabase, Amazon Aurora/RDS, Azure Hyperscale/CosmosDB/Citus, postgREST, RPC, RLS, timescaledb, PostGIS), MS SQL Server, and MySQL, with more than 27 years of experience as a database architect, designer, developer, and administrator. I’m also a software developer with 37 years of experience in many platforms, programming languages, and database systems. Expert in all of the following: * database installation, configuration, optimisation, securitisation, backups, performance improvement, encryption. * database design, SQL code optimisation, indices optimisation, coding stored procedures, increasing performance and security, partitioning. * data quality, de-duplication, normalisation, AI-assisted enrichment. * single and multi-tenant systems, JWT authentication, RLS authorisation. * REST and RPC functions, Edge/Lambda functions, Webhooks, AI APIs, Realtime, migrations. * database conversion or migration (e.g. to/from noSQL or JSON stores), interfacing with other databases, importing and exporting data, interfacing with online services (pl/perl, C, C#) * hot/cold backup and restore, recovery, replication (master/slave or master/master), mission critical * encryption in transit and/or at rest; encryption of data for authorised access only * text-file data extraction, formatting, conversion, archival, clean-up. Databases: PostgreSQL, SQL Server, MySQL, D3/Pick, Oracle, NexusDB, DB2, SQLite, COBOL, MongoDB, BerkeleyDB, Informix, Access, InterBase, Paradox, DBase/Clipper/Fox (DBF), CSV and plain text. Expertise with UAT/development/test environments, Regular Expressions (regex), batch and shell scripting, sed and other text processing tools, Excel, SOAP and web services, networking tools, and many programming languages (including Delphi, C/C++/C#, Perl, PHP, Smalltalk, Java, JavaScript, Python, and more). I can provide training and consultancy.

I specialized in the Mobile, Desktop, Web Applications, and any kind of Integrations using ASP.NET MVC, .NET Core, C#.NET, JavaScript, Jquery and etc. I am looking for challenging projects and ready to do a really good job for you. Skills / Technologies : ✔ .NET,.NET Core, C#.NET ✔ ASP.NET, ASP.NET MVC ✔ WEBAPI ✔ MS SQL, T-SQL,My Sql ✔ Entity Framework, LINQ ✔ Angular 5+, TypeScript ✔ HTML5, CSS3 ✔ JavaScript, jQuery ✔ SignalR, socket.io ✔ REST API, AJAX ✔ Magento, Shopify, Netsuite Integrations ✔ MS Dynamics GP 2018 ✔ MS Dexterity ✔ DevExpress Controls ✔ SSRS, Crystal Reporting I'm available to discuss your project and thanks for visiting my profile. Regards, Muhammad Mubusher

With over 25 years in the database industry, I focus on SQL optimization, database performance tuning, and PostgreSQL consulting. Currently supporting Oracle-to-PostgreSQL migrations and troubleshooting complex database performance issues, I bring expertise in both on-premises and fully managed cloud environments. Leveraging deep skills in PostgreSQL, SQL tuning, and database optimization, my work aims to enhance the efficiency and reliability of OLTP and OLAP systems. Passionate about solving performance bottlenecks, I help organizations streamline database operations and achieve scalable, high-performing solutions.

I’m a self-driven software engineer specializing in data engineering, API integration, and AI-powered automation. I design and build scalable solutions that streamline processes, reduce manual work, and deliver measurable business impact. With experience working across multiple client projects, I apply best practices in software development to create efficient, reliable, and production-ready systems. My core expertise includes: • Data Engineering & Automation (ETL, pipelines, process optimization) • API Integration & System Connectivity • AI Automation & Workflow Optimization • Python Automation • VB.NET and C# Development • Microsoft SQL Server and Oracle PL/SQL • SSRS and Reporting Solutions • Oracle APEX Development • Azure, GitHub, and GitLab • Infrastructure, Servers, and Virtual Machines • IT Systems, Troubleshooting, and Technical Support • Basic Cybersecurity & System Hardening • Hexagon Software Programming and Administration

My Experience with NetSuite: I have 10 years of experience in NetSuite development and administration. I am interested in solving the problems faced by NetSuite clients round the globe by giving them the right and optimal solution by means of my techno-functional expertise and automation. I have created 4 SuiteApps for clients. Determining customer needs, priorities and detailed requirements. Creation of Business Requirement Document and UML diagrams. End to end Netsuite System Implementation. Extensive tasks performed related with setup, configuration and customization of NetSuite. Customization of records/forms/fields/layouts in Netsuite. Configure and customize NetSuite to meet client requirements via scripts, workflows, custom records, fields and forms, saved searches, reports and dashboards. Development includes Netsuite suite-scripting, suite-flow, Saved search & Report generation. I am basically involved in high level scripting. CSV Upload and Exports, Creation of custom Portlets, KPI’s Email Templates Advance PDF's Online Form Creation Suitescripts that I have basically worked on: Scheduled Scripts, Suitelets, Restlets, API integration, User event scripts, Custom Client Scripts, Custom Workflows/Suiteflows. Integration of Netsuite with Other systems like Ytel and TribeHr. Perform data migration from other systems to NetSuite. Modules I Implemented/Worked on: 1. CRM 2. Finance 3. Accounting 4. Procurement 5. Manufacturing 6. Inventory Management and Advanced Inventory Management 7. Order Management 8. Warehouse Management 9. SCM Management 10. Project Management 11. Human Resource management Typical services offered are : NetSuite Administrator NetSuite Technical Consultant Suite Scripting NetSuite Implementation/Functional Consultant NetSuite Developer/Programmer Netsuite Integration with other systems. NetSuite Business Systems Analyst NetSuite eCommerce/Web Developer Available 40 hours a week if required. In past I have worked with clients round the globe with their NetSuite queries. Either I had direct solution to their problems or I had created workarounds for them. I always made sure the clients gets a SOLUTION for their problems. This 10 years journey though it does not seem that big but was definitely worth learning and much more rewarding in terms of experience and knowledge. The best part was interacting with people and earning that satisfaction when their problems were solved. I am now looking for opportunities where I can contribute the skills and knowledge that I have earned in the last 9 years for the clients and make their NetSuite experience hassle free and fully automatized.

With over 20 years' experience as a professional developer and database administrator, I can offer you a wealth of experience in major web languages and database technology. I deliver quality work on time and on budget, ensuring that your projects remain on schedule. I am a motivated self-starter, but can also work comfortably in a team environment. After gaining 7 years of experience in various aspects on the industry I started out as a freelance consultant in 2001. I have since consulted on projects with two government ministries, developed desktop and web-based applications for in-house use and resale and provided DBA services to a major utility company. I have been working with SugarCRM for over 5 years now, in that time I have completed several projects involving, implementation, migration, customization and integration with other applications. I have worked with SugarOnDemand as well as SuiteCRM and am equally proficient at both.

Cloud Solution Architect with engineering experience in Cloud SQL Big Data technologies including Data Architecture to support various Business Intelligence needs. Solution Architect in Technical Teams on Cloud Data Solutions into various Cubes, Data Marts, and ERP Systems. Developed data structures for business using various Analysis Services Cubes, BI Dashboard, and Scorecards. Recent experiences include developing multiplayer AI Platform with Generative AI using AWS Bedrock for back-office CareManagement application including HealthCare. Implementations included Anthropic Claude model & Twilio Integration for Client Onboarding, Authentication, and Call Flow Management. Cloud Services Database include Snowflake Data Cloud, Azure Cloud, Go/Language (JSON and yaml) with Anaconda python programming. Migrated Data Lakes from on-prem up to SnowFlake using SnowPipe and SnowSQL using command line scripts using AI methods. Implemented standards and data designs for HIPAA, SOX, regulatory, compliance, financial, reporting, and auditing. Next generation AI development with Anthropic Claude Code, ChatGPT, Gemini, etc.

🌟 Top-Rated E-commerce and Web Development Expert Welcome to my profile! I am a seasoned professional with a strong background in a wide range of e-commerce platforms, web development technologies, and cloud services. With a proven track record of delivering exceptional results for my clients, I am here to help you transform your digital presence and streamline your operations. 🚀 My Expertise Includes: 1. Adobe Commerce/Magento 1.x & 2.x: I specialize in creating custom, high-performance Magento stores tailored to your unique business needs. From design to optimization, I've got you covered. 2. NetSuite: As a NetSuite expert, I can assist you in configuring, customizing, and optimizing your NetSuite instance to maximize efficiency and productivity. Workflows, suitescripts and integrations via Celigo. 3. Integration Applications like Celigo: Seamlessly connect your systems with Celigo integration solutions, streamlining your workflows and data management. 4. Shopify: I can build, customize, and enhance your Shopify store, ensuring a seamless online shopping experience for your customers. 5. Laravel and other PHP Frameworks: Whether it's Laravel, Symfony, or another PHP framework, I have the expertise to develop robust, scalable web applications. 6. WordPress: My WordPress skills cover everything from simple blogs to complex, dynamic websites. Let's bring your WordPress vision to life. 7. AWS and DevOps Stack: I can set up, manage, and optimize your AWS infrastructure, incorporating DevOps best practices for reliability and scalability. With a passion for staying up-to-date with the latest industry trends and a commitment to delivering quality work on time and within budget, I am dedicated to helping you achieve your business objectives. Let's collaborate to turn your ideas into reality and drive your online success. Feel free to reach out to discuss your project or ask any questions. I'm here to make your digital dreams come true!

I am a software engineer with 26+ experience (18 years in corporate world and rest as freelancer). A data analytics, warehousing and BI specialist - as a freelancer, I have been building super efficient, cost effective and light weight solutions using data modeling, ETL, power bi, vba scripting (excel/word/powerpoint), sharepoint power apps, power query and SQL. I have been leveraging my knowledge in various technologies, process, problem redressal, transparent communication etc. to deliver solutions/implementations for customers. I have played roles of business analyst, architect, technocrat, project manager and a business user which helps me in gaining a 360 degree view of a problem. My technical skills helps me arrive at a problem that is viable and meaningful. Prior to freelancing i have worked for large companies like Texas Instruments, Microsoft, Apple, Intel, Boeing, Syngenta in technical and managerial capacities. Technically I have worked in Java, dotnet and PHP technologies with Oracle/MSSQL/MYSql as backend. I am very strong in the all web technologies as well as databases. I would be able to perform solution architecture, design and implementation. I Hold 2 patents in USA. I am very passionate about using my analytical and technical ability to comprehend the problem and design a solution that is accurate, easy to use, scalable and highly maintainable. There are many that do just what is told to you, but i like to own up the problem on my customer's behalf and define and implement a solution. I am very well versed with remote execution model having executed over 250 projects in technical and leadership roles from USA as well as from India.

❇️ Top 1% Upwork Talent | 🏆 Top Rated Plus | ✔️ 100% Job Success | ☀️ Available Immediately With 16+ years of experience, I operate at the intersection of AI-driven architecture, enterprise software engineering, and large-scale system design—helping organizations build, modernize, and scale mission-critical platforms. I specialize in designing and delivering high-performance CRM & ERP ecosystems, with deep expertise in Zoho CRM, Odoo, OFBiz, and Moqui, tailored for complex business environments. 🔷 Core Expertise ✔️ Enterprise Architecture & AI Integration Designing intelligent, scalable systems powered by modern AI-driven workflows and automation. ✔️ CRM & ERP Systems Leadership End-to-end implementation, customization, and optimization of enterprise platforms: Zoho CRM Odoo OFBiz / Moqui ✔️ Java & Microservices Excellence Java, Spring Framework, Microservices Architecture Struts2, JavaFX RESTful APIs & distributed systems ✔️ Full-Stack Engineering Frontend: HTML5, CSS3, JavaScript (ES6), ReactJS Mobile: React Native (cross-platform apps) ✔️ Database & Performance Engineering Oracle, PostgreSQL, MySQL, SQL Server Advanced Oracle PL/SQL for enterprise-grade systems 🔷 Delivery & Leadership Approach I bring a consultative, architect-level mindset to every engagement: 📌 Deep discovery & solution blueprinting upfront ⚡ Agile execution with fast iteration cycles 📊 Scalable, future-proof system design 💬 Clear, proactive communication throughout I am highly proficient with modern development workflows and tools including Git, JIRA, Redmine, Bugzilla, Basecamp, and Trello, ensuring seamless collaboration across distributed teams. 🔷 Availability 🕒 30–35 hours/week 🌍 Flexible across time zones 🤝 Strong communication & stakeholder alignment If you’re looking for a trusted technology partner who can architect and deliver robust, intelligent, and scalable enterprise systems, I bring both the strategic vision and hands-on expertise to make it happen. — Harkomal Singh