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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.

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.

Hi there! Seeking an expert in Java, Spring, Hibernate, Data Security, Angular, API (REST, SOAP), Node and additional technologies to achieve rapid transaction rate. Over the past 20 years, I have refined my skills through dedicated work in diverse domains such as Application/ERP Development, Application Integrations, Fintech, Oil/LPG Industry, Travel Industry, Education, Telecom , Web Development, Frontend Development, Application Customization, Performance Optimization, and Component Development. I have acquired extensive expertise in Java, Spring, Spring Boot, Spring Reactive, Spring Data, Spring Cloud, Spring Batch, IAM, OAuth 2.0, OpenID Connect, SAML, multi-factor authentication, Keycloak, REST API, SOAP API, JPA, Struts2, AWS Lambda, Hibernate, Node.js, Puppeteer, Next.js, Angular, React, Redis, Kafka, Rabbit MQ, JSP, Servlet, JSF, JavaScript, jQuery, HTML, CSS, XML, Lucene, JXL, POI, XSLT, JSON, JSON-LD, EJS, Python, GraphQL, Apache Airflow, Apache Spark, IBM Cognos, JasperReports, BIRT, Oracle, MySQL, SQL Server, PostgreSQL, IBM DB2, NoSQL, MongoDB, DynamoDB, Tomcat, OC4J, IBM WebSphere, WildFly, JBoss, Docker, Kubernetes, Bitbucket, GitLab, GitHub, RTC, CVS, VSS, Git, Confluence, JIRA, Maven, Gradle, Ant, Cursor, Replit Windsurf, Lovable, Trae, Bolt, Vercel and many more. To secure your data, I have expertise in both symmetric (e.g., AES, DES, Triple DES) and asymmetric (e.g., RSA, ECC) encryption mechanisms. I am also experienced in PGP / GPG encryption, which combines symmetric and asymmetric encryption to secure message content and protect the session key. Additionally, I have integrated applications with Hardware Security Modules (HSMs) for enhanced security. My goal is not just to meet but to exceed your expectations. My method for achieving project success revolves around: – Strategic Planning: Always look on a bigger-picture, make sure all angles are covered. – Agile Development: Adapt on the go, iterative progress yields positive results. – Quality Assurance: Attention to detail, ensure top-quality results by leaving no room for errors. – Timely Delivery: Time is valuable; meeting deadlines is crucial to avoid delays and extra costs. . – Transparent Communication: Clear and concise updates to stake holders. Always aim to collaborate with you, not just work for you, to ensure every milestone leads to success. P.S.: Feel free to drop a message to discuss the details of your project and let's make it a proud achievement for both of us.

Hi, I'm a professional software developer with 10+ years of experience working in the software industry. I've worked on many different projects throughout my career including, enterprise scale web applications, desktop applications, databases and mobile app development. I've also spent several years working in the testing industry specialising in web and mobile automation. With my solid background of dev and test you can trust me to complete your project on time with excellent quality. Regards, Tim.

LMS development specialist with expertise in custom development with the following stack- ✅ Web security ✅ WordPress, LearnDash and Moodle ✅ Buddyboss and BuddyPress ✅ Infusionsoft and Memberium ✅ Woocommerce, Membership and Subscription ✅ Uncanny owl and extensions ✅ ActiveCampaign and mailchimp ✅ Elementor, Divi, Astra pro ✅ AWS and Azure hosting ✅ Laravel, React, Angular, Vue ✅ WCAG Compliance Fazlur has excellent programming and database development skill. He has ten years experience with PHP, C# and .net in developing enterprise scale high precision, secure and quality web and desktop applications to handle prescription, diagnostic and medical records for a medical company. Learning Management System (LMS) development is his forte and he excels in LearnDash & custom plugin development. He is also a membership site development specialist. EXECUTIVE SUMMARY Eight years hands on experience in designing and developing multi-tier complex and mission critical database driven .Net applications using Object Oriented Design and Development methodologies Five years hands on experience in B2B integration utilizing SOAP, Rest, WCF, XML, XSD, XSLT, C#, VB.Net Advanced level of knowledge and experience with Microsoft SQL Server 2005/2008 in database design and complex T-SQL programming (Stored Procedure and Function writing), Triggers, Cursors, Transaction Control, Security. Integration of SSRS with ASP.NET and Win form application Strong background in ASP.NET. Experienced in developing multi tier windows service, web and networked application utilizing ASP.NET, C#, VB.NET, AJAX Experience in the development and management of IT projects, strategy, and business process, information, application and technology architecture Able to understand complex business integration problems and determine the impact on information architecture. Have high attention to detail – provides regular data extraction and analysis for client to submit to ACCC and other regulatory bodies Well organised and self motivated – Has taken multiple initiatives and work from the inception phase collaboratively with mid level managers and external stakeholders to provide multichannel integration, e-commerce and direct debit integration, sms integration and many other projects. Constantly achieved quality outcomes under tight deadlines Experience with managing full SDLC utilizing agile and structured methodologies and leading development team Masters degree in Software and Information Technology from the University of Technology, Sydney (UTS) with distinction

CERTIFICATIONS: + ​Oracle APEX Cloud Developer Professional (1Z0-771) + ​Oracle Analytics Cloud 2025 Professional (1Z0-1041-25) ​+ Oracle Cloud Infrastructure 2025 Foundations Associate (1Z0-1085-25) CORE COMPETENCIES: + Extensive experience with Cloud-to-on-premise integrations involving TechOne, Aurion, Salesforce (Bulk API 2.0), and other SaaS solutions. + Enterprise-level expertise in Oracle APEX, SQL, and Advanced PL/SQL for rapid application development. + Proficient in designing, development and implementing ERP core and custom modules. + Proficient in translating relational models into dimensional models. + Expert in OAC, OBIEE/OAS, Tableau, BI Publisher, and SmartView. + Skilled in Talend Open Studio and MuleSoft for complex data orchestration. + Deep domain knowledge in Housing, Construction, Textile, Manufacturing, Education, and Retail. KEY PROJECTS AND ACHIEVEMENTS CORE ERP DEVELOPMENT: Served as a key member of the design and development team for a comprehensive ERP system. Successfully delivered 15+ core modules tailored for the Textile, Housing, and Manufacturing sectors. ENTERPRISE IMPLEMENTATIONS: Have successfully led and completed 50+ implementations over my career, ensuring seamless system adoption and operational efficiency across diverse business environments. END-TO-END BI ARCHITECTURE: Expert in the full lifecycle of OBIEE, OAS, and OAC development. This includes the initial design of the Data Warehouse, complex Dimensional Modelling, RPD modelling, and the delivery of high-performance OAC dashboards. END-TO-END INTEGRATION: Architected and deployed complex integration solutions for TechOne, Aurion, and Salesforce (utilizing Bulk API 2.0) to streamline cross-platform data flow. TABLEAU ECOSYSTEM: Developed and published complex data models and interactive dashboards across multiple agile sprints, enabling data-driven decision-making. DATA GOVERNANCE: Implemented the Erwin Data Intelligence suite, with a primary focus on establishing clear data lineage between bespoke systems, data warehouses, OBIEE, and Tableau. CLOUD MONITORING: Engineered a robust TechOne Cloud status monitoring solution using Talend Open Studio, which I later migrated to MuleSoft to provide superior scalability and performance.