Senior AI-Augmented Full-Stack Developer / Solutions Engineer

Hunt St

. Design and build four Nexus AI-enabled applications across front end, back end, databases, and integration layers .

Posted 10/18/2026contractRemote • PhilippinesSenior💰 A$2,500 - A$3,500 per monthWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in full-stack development, integrating AI systems with APIs, and implementing robust cybersecurity practices. Proficient in managing software development workflows and delivering scalable, maintainable applications.

Highest-signal resume keywords

Full-Stack DevelopmentAI Systems IntegrationCybersecurity Best PracticesREST API DevelopmentGit Version Control

ATS Keywords

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Hard Skills

Software DevelopmentDatabase DesignAI Code-Generation VerificationTesting and DebuggingCloud DeploymentSQLPythonTypeScriptReact.NET

Soft Skills

CommunicationCollaborationProblem-Solving

Tools & Technologies

OpenAI APIMicrosoft AuthenticatorAzure DevOpsDockerCI/CD

Industry Keywords

ERP IntegrationBusiness Workflow AutomationAI AgentsCybersecurityProduction Systems

Tech Stack

Tools & technologies

AzureCloudCyber SecurityDockerERPJavaScriptNext.jsPostgresPythonReactSQLTypeScript.NET

About the role

Key responsibilities & impact

Design and build four Nexus AI-enabled applications across front end, back end, databases, and integration layers
Translate Australian team business requirements into practical technical solutions
Integrate Nexus with the Ostendo ERP API and add new modules and capabilities
Use AI-assisted development while reviewing and owning every line shipped
Integrate applications with OpenAI, Claude, and Microsoft AI services
Build a product-specification and document knowledge engine using RAG, embeddings, and vector search
Apply structured outputs, function calling, AI agents, and workflow automation where valuable
Select between AI and conventional software logic for each problem
Establish secure, reliable, maintainable, scalable, and auditable technical architecture
Set up separate development, testing, and production environments
Explain architectural decisions to the IT team
Manage Git branching, pull requests, code reviews, release management, and rollback procedures
Implement authentication, Microsoft Authenticator/2FA, role-based access control, API security, secrets management, database security, encryption, logging, audit trails, input validation, dependency security, and web vulnerability protection
Review, test, and validate AI-generated code
Establish unit, integration, automated, and regression testing
Set up UAT environments and support the Australian team through business-process validation
Build error handling, logging, and monitoring
Deliver architecture, repository, database, and API/integration documentation
Write deployment, environment/configuration, administrator, troubleshooting, and security guides
Run knowledge-transfer sessions for the internal team
Add clear code comments where helpful for maintenance

Requirements

What you’ll need

10+ years of professional software development experience
Production systems personally built, deployed, and maintained
Full-stack development of modern web applications
REST APIs and API integration
SQL and database design
Developing agentic AI systems and full-stack AI applications
Agent orchestration, tool use, workflows, memory, and multi-agent systems
AI code-generation verification, testing, review, and evaluation
LLM guardrails, policies, skills, and behavioural controls
Cybersecurity best practices for AI applications and autonomous agents
Token budgeting, context-window management, latency, and inference cost optimisation
Integrating AI agents with APIs, databases, authentication, monitoring, and production systems
Git and professional version control workflows
Authentication, authorization, and application security
Cloud deployment and production maintenance
Testing and debugging
Daily use of AI development tools such as Codex, Claude Code, Cursor, or similar
Experience with OpenAI API, Codex, Claude Code, Cursor, RAG, vector databases, and AI agents is preferred
Experience with Azure, Entra ID, Microsoft Authenticator, Microsoft 365, and Azure DevOps is preferred
Experience with Python, TypeScript/JavaScript, React/Next.js, and .NET/C# is preferred
Experience with PostgreSQL and SQL Server is preferred
Experience with GitHub, Docker, and CI/CD is preferred
Experience with ERP integration, internal enterprise applications, and business workflow automation is preferred
Disclose any existing ongoing roles or client work
Reflect this engagement on LinkedIn as “Independent Contractor”

Benefits

Comp & perks

100% remote work from home
Flexibility in managing time as an independent contractor
Alignment with AU business hours for collaboration