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.

Jyoti Here, I’m an Excel automation specialist with extensive experience in developing robust VBA solutions to streamline business operations. Over the years, I’ve automated complex workflows for clients across Banking, Capital Markets, Real Estate, Insurance, Logistics, and Retail sectors in the USA, UK, Canada, and India. Whether it’s building custom dashboards, automating reports, integrating Excel with other systems, or simplifying repetitive tasks, I deliver scalable and efficient solutions tailored to each business need. Let’s automate your workflow and save hours of manual effort! My expertise:  Excel Data Analysis  Bulky and Multiple File Processing with VBA Script  Automation of existing or new System using Excel VBA/ Macro Script  Dynamic Dashboards, Charts  Sending Email's with PDF attachment using Excel VBA  Advance Excel Trainer  Microsoft Power BI Dashboards,Reports  Data conversion,file merging with PowerQuery. Of course, I can help with complicated formula, conditional formatting rule, drop-down lists, Pivot table, macro, Power Query, Power Pivot, MS-Access Database, and Forms. I can troubleshoot any Excel file, fixing issues like broken formulas, heavy file size, locked sheets, buggy or slow VBA code. Key highlights about my Project :  Delivering cost effective and 100% quality product to the client  On time delivering Project  Through Testing with different scenarios of data  I provide free support to clients to train them initially as well free support for any issues with my work.  I document and clarify all project requirements and Testing scenarios with clients before starting the project. These documents can be used by clients for quick reference.  Quick Responsive to client’s queries. I believe in maintaining long term project relationship with Clients.

Greetings potential clients, Legacy MS Access application draining your team's time? Struggling with a database that has grown beyond what its original design can handle? Need a new system built from scratch based on your requirements? That's where I come in. I'm a senior software engineer with 22+ years of specialized MS Access development experience and 27+ years in IT. My specialty: taking aging Access applications and modernizing them without disrupting your business. Career highlight: I converted Whitley Manufacturing's UA Corporate Accounting system from Access 97 to Access 2019 with a SQL Server 2019 backend - 60+ modules, 1M+ lines of VBA, split front-end/back-end architecture. The system continued running production accounting throughout the conversion. Core services: - MS Access application modernization (Access 97, 2000, 2003, 2007, 2010, 2013, 2016, 2019, 365 - all versions) - New MS Access applications built from your business requirements - MS Access to SQL Server upsizing with linked tables and pass-through queries - Advanced VBA development including error handling, class modules, COM/Office automation - Split front-end/back-end architectures for multi-user environments - Complex query optimization and performance tuning - Office Automation (Excel, Outlook, Word) - Custom label printing, FTP, web integrations, and third-party API connections - Database design, normalization, and indexing strategy My approach: understand your actual business need first, then deliver reliable software that outlives the project. You get honest scoping and steady communication throughout. Available for remote engagements ranging from short-term projects to ongoing maintenance. Time zone: Eastern (US). Ready to discuss your project? Send an Upwork message with a brief description of what you're working with, and I'll respond with specific next steps. Thanks for reading. Richard G Taylor God Bless.

I have 10+ years experience in developing a wide range of database and web applications such as crm, mrp and medical systems using front-end tools such FileMaker, Delphi and C++Builder and back-end tools such as mySQL, PostgreSQL, Firebird and SQLServer. My main expertise though is FileMaker and I am well-versed from 5.5 to the latest version 19. I have excellent Scriptmaker skills, good AppleScript skills, excellent knowledge of the use of a variety of plug-ins, good interface design, reporting skills and project documentation skills. I am easy to work with and communicate with and most of the time available online.

I build and maintain VB.NET Windows Forms applications with SQL Server and Microsoft Access backends. With 35+ years of experience, I handle the full stack — systems analysis, database design, stored procedures, UI development, and API integrations (Salesforce, Stripe, QuickBooks). I specialize in custom line-of-business applications where off-the-shelf software doesn't fit. Recent projects include a $50M+ factoring management system, a SaaS tax collection platform used by ~100 municipalities, and an emergency response system for FEMA/Travelers Insurance. I am also currently finishing up work on a software application that landscapers and other similar businesses can use to run their businesses. I like to use DevExpress DXperience controls extensively to create beautiful, feature-rich user interfaces and reports. I also migrate legacy Access/VB6 systems to modern .NET platforms. I excel at being able to come up with innovative, efficient, and user-friendly software solutions and at breaking down complex problems into smaller, more easily understood ones. I pride myself in writing well-organized and easily understandable code, emphasizing object-oriented principles, thereby creating code that is much easier to maintain, for myself and others. I am a clear communicator and a thorough analyst. MS Electrical Engineering | BS Industrial Engineering

Senior Software Engineer with focus on working with .NET/C#, WPF, UWP, Xamarin Forms, Win UI 3, Avalonia, XPF and Blazor applications on desktop and mobile (iOS and Android). 15 years of experience, over 50 successful UpWork projects completed. Worked at companies like OpenAI, Deloitte, DHL and HP. 7+ Years of development working on complex mobile and desktop apps from start to publication on stores (AppStore, Google Play, Windows Store) If you have a Xamarin Forms application that needs to be updated to .NET MAUI or other multiplatform framework, let's talk, I can help you with the process as well as selecting the best option based on your needs. Fluent spoken and written English Located in the east coast of the Americas so I'm available for your questions and any communication during business hours if you are anywhere in the Americas or Western Europe.

Greetings 👋 I’m a Senior Full Stack Java Spring Boot Developer and a Certified AWS DevOps Engineer with more than 10 years of professional experience in end-to-end fullstack development. My background includes Java based backend systems using Spring Boot, Spring MVC, and Spring Cloud, and in building modern fullstack apps with React. My work spans across healthcare, insurance, and automation platforms. 📌 What I Provide 💼 🔹 Complete development lifecycle: planning, coding, testing, deployment, and maintenance 🔹 AWS and Java certified expertise 🔹 Implementation of DevOps practices and CI/CD pipelines 🔹 Cloud cost-efficiency strategies 🔹 Application performance enhancement 🔹 Rapid MVP development to bring your concept to life 📌 Why Collaborate with Me 🤝 🔹 10+ years of hands-on experience in Java and DevOps engineering 🔹 Specialized knowledge in domains like Healthcare and AdTech 🔹 Strong commitment to high code quality and reliability Fullstack / Frontend Capabilities ⚛️ As a Full Stack Java Spring developer, I build engaging and scalable applications by integrating modern frontends - React.js, Next.js, and Vue.js - with robust Spring Boot and Java-based backends. I follow fullstack best practices and deliver clean UI using HTML, CSS, and Tailwind CSS. Back End Expertise ⚙️ Working with Java since version 6 through 21, I utilize frameworks such as Spring Boot, Spring MVC, Spring Cloud, Spring Batch and Spring Security to build scalable services. DevOps & AWS Experience ☁️ With 8+ years in AWS environments and certifications in both DevOps Architecture and Development, I specialize in serverless and containerized solutions using AWS Lambda, Docker, Kubernetes, RDS, and Landing Zone - ensuring scalability and zero-downtime deployments. Database Skills 💾 I’m proficient in relational databases like PostgreSQL, MySQL, and SQL Server. Also skilled with NoSQL systems including Redis, MongoDB (DocumentDB), Aerospike, DynamoDB, and OpenSearch (ElasticSearch). For analytics, I work with Amazon Redshift. API Integration 🌐 Skilled in REST, SOAP, Swagger, and OpenAPI 3 for seamless service integration. Performance Tuning 🚀 Utilizing tools like JMeter, Gatling, AWS X-Ray, and JProfiler to optimize speed and resource usage. Messaging Systems ✉️ Experienced in asynchronous communication with Apache Kafka, Amazon SQS/SNS, and RabbitMQ. Desktop GUI Development 🖥️ Developing sleek and functional desktop interfaces with JavaFX and FXML. Let’s connect and talk about your goals! 🚀

DIRECTOR OF SOFTWARE ENGINEERING Highly analytical software engineer and MBA grad with more than 20 years' success in application strategy, architecture, development, and test of technology solutions for clients in multiple industries.

Senior Software Engineer with solid experience designing and evolving enterprise-grade backend systems in large-scale enterprise environments. Specialized in Java and .NET ecosystems, with a strong focus on clean architecture, scalability, and high-availability systems. Experienced across the full software development lifecycle, from technical analysis and solution design to implementation and production support. I value code quality, pragmatic problem-solving, and continuous improvement. Comfortable taking ownership of complex systems, contributing to architectural decisions, and mentoring developers to promote strong engineering practices. Driven, analytical, and proactive — focused on delivering reliable solutions that create real business impact.

I have been in IT field for over 30 years now. I have also been developing over 25 years. I have worked with mainframes, mid size frames and servers of all sizes. I have programming language experiences in RPG, CL, Visual Basic, Visual RPG, Object Oriented programming. I have developed full ERP systems using Microsoft Access and Microsoft SQL database for backend. I have a complete understanding in accounting and finance. My strength is taken any process and making it more streamlined and efficient. I have help over thirty different manufacturers stream line their process of the production and shipping . I have worked in all areas of barcoding and scanning. I have worked and developed many EDI systems and worked with large customer and suppliers to connect them using EDI integration. I also Work a lot with QuickBooks, Sage 50, Southware ERP , Epicor, NetSuite, Odoo and multiples other ERP system. I was a IT directory of large corporations for over 15 years before starting my IT company. .