Hire the Best VB.NET Developers
in Australia

320+ successful Upwork projects completed since 2013, with 20 plus years of software development, integration, automation, and business systems experience. I specialise in building reliable integrations between accounting systems, ERP platforms, ecommerce stores, print MIS systems, shipping providers, payment gateways, and custom business applications. My main focus is practical business automation: moving data correctly between systems, reducing manual work, fixing broken workflows, and building long term integration solutions that are stable, maintainable, and easy to support. Technical Skills • C#, VB.NET, PHP, Java • ASP.NET, .NET Core, Blazor, Angular, Bootstrap • REST API, GraphQL, SOAP, OData, Webhooks • XML, JSON, CSV, EDI style data processing • cXML, PunchOut, quote and purchase order workflows • SQL Server, MySQL, SQLite, PostgreSQL, NoSQL • Windows Services, Azure Functions, IIS • Azure Blob Storage, scheduled jobs, background workers • API authentication, OAuth, OAuth1, OAuth2, JWT, API keys • RPA and UI automation including UiPath • OCR, PDF automation, AI assisted document extraction • Data migration, data cleansing, mapping, validation, and reporting Accounting and ERP Integrations • QuickBooks Desktop SDK, qbXML, QuickBooks Web Connector, and QWC setup • QuickBooks Online API • Reckon Desktop, Reckon Hosted, Reckon One, and Reckon API integrations • Xero API, invoices, customers, payments, tracking categories • MYOB, Sage 50, Sage 200, Sage Intacct, FreshBooks • NetSuite REST, RESTlets, item lookup, invoice export, customer sync • Salesforce and custom CRM or ERP integrations • QuickBooks Online and Reckon One certified • Invoice import, sales order import, payment sync, remittance processing, customer matching, item mapping, tax handling, and reconciliation workflows Ecommerce and Marketplace Integrations • Shopify, WooCommerce, Magento, BigCommerce • Custom ecommerce middleware and plugins • Automated order import and export • Product, inventory, price, and customer synchronisation • WooCommerce to Reckon and accounting system workflows • Booking platform integrations including Airbnb, Booking dot com, and Agoda • Marketplace order processing and custom fulfilment workflows Print MIS, Manufacturing, and Procurement Integrations • printIQ API, OData API, webhooks, quote import, order import, and invoice export • Print MIS and manufacturing workflow automation • Coupa, Unimarket, and cXML PunchOut style workflows • Purchase order, quote approval, order acknowledgement, and supplier invoice flows • SmartSite, product configuration, simplified products, apparel, embellishment, and freight workflow support • Integration troubleshooting for print, manufacturing, and production environments Shipping and Logistics Integrations • ShipStation, Australia Post, UPS, TNT, Toll, OpenFreight, MachShip • Freight quoting, consignment creation, label generation, and tracking updates • Warehouse, dispatch, stock, and fulfilment workflow automation • Freight tracking links and order status update integrations Payment Gateway Integrations • Stripe, PayPal, Authorize.Net • eWAY, SecurePay, Braintree, BluePay • Commonwealth Bank, PayChoice, Windcave, and other payment providers • Paid order handling, invoice creation, payment posting, and transaction fee recording Cloud, DevOps, and Support • Azure, AWS • GitHub, Bitbucket, Azure DevOps • CI/CD pipelines • Docker and cloud deployment support • IIS hosting and Windows server based application deployment • Long term maintenance, monitoring, debugging, and integration support Other Experience • Custom desktop and web application development • AI assisted document processing workflows • Zapier and business process automation • Mobile development using Xamarin and Android Studio • iManage and GlobalX document system integrations • Legacy system integration and modern API middleware development • Complex data mapping between old and new systems • Business workflow analysis and automation design I work best on projects where the requirement is not just to write code, but to understand the business process, identify the right integration flow, handle edge cases, and deliver a solution that works reliably in real day to day operations. I can help with new integrations, fixing existing integrations, API troubleshooting, data migration, automation, reporting, and long term support.

Modern identity development consultant working in the IT industry since 2004. Successfully worked on enterprise applications, and business processes/workflows where my focus was on end-to-end project delivery including pre-sales, implementation, and handover to managed services. Currently working on modern identity and access management solutions using Azure Entra ID B2C, Azure DevOps, and .Net. I have strong full-stack development, problem-solving, and analysis skills. I have performed individually as well as part of a team. I am a self-starter and ready to take on new challenges.

- 10+ years background in diverse facets of .NET development, full SDLC, and Agile/Scrum methodology. - Excellent communication skills with strong background working directly with coworkers and clientele to identify business objectives and establish requirements. - Demonstrated troubleshooting skills - ability to analyse and debug code for timely and effective solutions. - Passionate about delivering the best and satisfying software to enhance business. - Effective in working independently and collaboratively in teams. Highlights: - MS Visual Studio, VS Code - ASP .NET, .NET Core, C#, VB .NET, MVC, Web APIs - Entity Framework, ADO .NET, LINQ - IIS, MS SQL Server, SSIS - Windows Server, Linux - Web Services, XML, XAML, WCF, WPF - Angular, Typescript, JQuery, Javascript - Node, NPM - HTML5, CSS3 - Wordpress, NopCommerce - Agile Scrum - Git, Jira, Bitbucket Availability: Can only work 20 hours / week, with meetings limited to after 5:30 pm Melbourne time (GMT + 10)

Seasoned developer with 22+ years of hands on solution architecture, design and development experience having lead the delivery of several highly complex systems. Proficient in technologies like .Net, .Net Core, ASP.Net (MVC, Web Forms, Web API), WCF, NodeJS, NHibernate, Entity Framework, TFS, Github, CI/CD. Extensive experience in data / text analytics and AI development using technologies such as Python, AWS cloud services, Azure OpenAI development, Redis cache, SSIS/SSRS, R, Matlab, Mallet, UIMA, NoSQL, In memory. Expert in performance and log monitoring tools like Datadog, Sentry, NewRelic, Sumo logic, App dynamics. Expert in Microservices and distributed systems including integration with 3rd party systems and vendors. Extensive experience in workflow and automation tools like power automate, OpenRPA, Selenium, Playwright. Experienced in sql and nosql databases such as SQL Server, Postgres, MongoDB, Redshift. Experience in cloud based services using AWS, Azure, Kubernetes, and CRM using Salesforce and Heroku. Extensive experience of latest JS frameworks such as Node JS, React, NextJS, Angular. Extensive experience in software architecture and design of modern complex distributed applications. Successfully delivered several complex products on time and budget. Highly self motivated and quick learner with excellent analytical and problem solving skills.