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I am a Senior Software Developer with end-to-end experience delivering robust applications—from initial architecture to production deployment. I specialize in full-stack development using .NET 8 and React 19, and I own CI/CD pipelines, cloud and local hosting, domain registration, Google Workspace integration, and ERP system development. I excel in technical leadership, team coordination, and building maintainable, user-centric solutions in fast-paced environments. I’m passionate about developer experience, reusable code libraries, architectural patterns, documentation, testing, and AI-assisted tooling to improve quality and delivery.…I am a Senior Software Developer with end-to-end experience delivering robust applications—from initial architecture to production deployment. I specialize in full-stack development using .NET 8 and React 19, and I own CI/CD pipelines, cloud and local hosting, domain registration, Google Workspace integration, and ERP system development. I excel in technical leadership, team coordination, and building maintainable, user-centric solutions in fast-paced environments. I’m passionate about developer experience, reusable code libraries, architectural patterns, documentation, testing, and AI-assisted tooling to improve quality and delivery.

Joshua Barnett

Developer, Full Stack Developer, Cloud Developer, +2

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I am a Senior Software Developer with end-to-end experience delivering robust applications—from initial architecture to production deployment. I specialize in full-stack development using .NET 8 and React 19, and I own CI/CD pipelines, cloud and local hosting, domain registration, Google Workspace integration, and ERP system development. I excel in technical leadership, team coordination, and building maintainable, user-centric solutions in fast-paced environments. I’m passionate about developer experience, reusable code libraries, architectural patterns, documentation, testing, and AI-assisted tooling to improve quality and delivery.…I am a Senior Software Developer with end-to-end experience delivering robust applications—from initial architecture to production deployment. I specialize in full-stack development using .NET 8 and React 19, and I own CI/CD pipelines, cloud and local hosting, domain registration, Google Workspace integration, and ERP system development. I excel in technical leadership, team coordination, and building maintainable, user-centric solutions in fast-paced environments. I’m passionate about developer experience, reusable code libraries, architectural patterns, documentation, testing, and AI-assisted tooling to improve quality and delivery.

Available to hire

I am a Senior Software Developer with end-to-end experience delivering robust applications—from initial architecture to production deployment. I specialize in full-stack development using .NET 8 and React 19, and I own CI/CD pipelines, cloud and local hosting, domain registration, Google Workspace integration, and ERP system development.

I excel in technical leadership, team coordination, and building maintainable, user-centric solutions in fast-paced environments. I’m passionate about developer experience, reusable code libraries, architectural patterns, documentation, testing, and AI-assisted tooling to improve quality and delivery.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Software Developer at Gramline Construction

June 1, 2025 - Present

Architected and developed a custom ERP system integrating demand planning, supply logistics, and inventory control, replacing fragmented manual workflows. Reduced overstock issues significantly by integrating machine learning for inventory checks and sales forecasting. Enhanced quoting workflows with personalized product suggestions, modernised accounting platforms, and migrated core infrastructure to hybrid cloud-local hosting. Independently led full system architecture and development, establishing reusable code libraries, CI/CD pipelines, and IT best practices to improve scalability and maintainability.

Software Developer at Fiducian Financial Services

April 30, 2025 - July 20, 2025

Developed responsive web applications using Angular and ASP.NET Core technologies. Managed backend services with microservices deployed on Azure, incorporating Azure Key Vault for secure configurations. Improved system performance by refactoring legacy codebases and collaborating in Agile sprints for continuous improvements. Supported sales and marketing teams by customizing software solutions. Contributed to cloud modernization efforts with Azure Functions and SQL database migration, enhancing system reliability and scalability. Facilitated strong stakeholder relationships through effective communication and troubleshooting.

Full Stack Web Developer — Freelance at Daintree Constructions

October 31, 2020 - July 20, 2025

Designed and developed a responsive front-end using React.js, optimized for performance and accessibility. Built backend APIs using Express.js to support dynamic data operations. Integrated SEO best practices and managed deployment to production environments. Collaborated directly with stakeholders to refine designs and features based on user feedback.

Senior Software Developer at Gramline

June 1, 2025 - Present

Architected and developed a custom ERP system to unify demand planning, supply logistics, and inventory control across departments, replacing fragmented manual workflows with a centralized digital platform. Reduced multi-million dollar overstock by integrating ML models for inventory checks, sales forecasting, and dynamic stock replenishment based on real-time demand signals. Enhanced quoting workflows with personalized product suggestions using user preference models, and replaced legacy MYOB finance with a modular in-house accounting platform built on .NET 8 supporting dynamic pricing and adaptable reporting. Modernised core infrastructure by migrating from MS-SQL 2008 R2 to SQL Server, deploying a hybrid cloud-local hosting model, and redesigning internal networks for secure ERP communications. Migrated IT services to Google Workspace, managed domain configuration, Cloudflare hosting and DNS, and set up secure tunnels for remote access. Focused on Developer Experience, automated tes

Software Developer at Fiducian Financial Services

April 1, 2025 - September 10, 2025

Developed responsive web applications using Angular 13+ and RESTful APIs; built scalable backend services with ASP.NET Core 6, Entity Framework Core, and SQL Server; deployed microservices to Azure App Services and integrated Azure Key Vault for configuration management; managed CI/CD pipelines using Azure DevOps with automated testing and environment-specific deployment stages; refactored legacy .NET Framework codebases to .NET 6 to improve performance and maintainability; collaborated with cross-functional teams in Agile sprints, conducted code reviews, and planned releases; integrated third-party APIs and built reusable components across multiple projects; modernised legacy systems through Azure Functions for scheduled data processing and migrated on-premise data to Azure SQL databases to improve reliability and scalability.

Full Stack Web Developer — Freelance at Daintree Constructions

October 1, 2020 - September 10, 2025

Designed and developed a responsive front-end using React.js with a focus on performance, accessibility, and user experience. Built a back-end API using Express.js to support dynamic data operations. Integrated SEO best practices and deployed to production. Collaborated directly with stakeholders to iterate on designs and features based on user needs.

Senior Software Developer at Gramline

June 1, 2025 - Present

Architected and developed a custom ERP system unifying demand planning, supply logistics, and inventory control across departments by centralising digital platform; Reduced multi-million dollar overstock issues by integrating ML models for inventory checks, sales forecasting, and dynamic stock replenishment; Enhanced quoting workflows with personalised product suggestions using user preference models; Replaced legacy MYOB finance systems with a modular in-house accounting platform built with .NET 8; Migrated core infrastructure from MS-SQL 2008 R2 to SQL Server with hybrid cloud-local hosting; Migrated to Google Workspace, configured domains, Cloudflare hosting & DNS, and secure tunnels; Prioritised DX with reusable libraries and onboarding docs; Integrated automated testing and AI tools for testing, documentation, security vulnerability detection and code reviews; Established IT policies and governance.

Software Developer at Fiducian Financial Services

April 1, 2025 - September 10, 2025

Developed responsive web applications using Angular 13+, RxJS, and RESTful APIs; Built scalable backend services with ASP.NET Core 6, EF Core, and SQL Server; Deployed microservices to Azure App Services and integrated Azure Key Vault for secure config management; Managed CI/CD pipelines using Azure DevOps with automated testing and environment-specific deployment stages; Refactored legacy .NET Framework code to .NET 6; Collaborated with cross-functional teams in Agile sprints; Integrated third-party APIs and reusable components; Modernised internal web services using .NET and Angular 18 with TypeScript; Migrated on-premise data to Azure SQL for improved reliability and scalability.

Full Stack Web Developer — Freelance at Daintree Constructions

October 1, 2020 - September 10, 2025

Designed and developed a responsive front-end using React.js focusing on performance and accessibility; Built back-end API using Express.js to support dynamic data operations; Implemented SEO best practices and deployed to production; Collaborated directly with stakeholders to iterate on designs and features based on user needs.