Justin D.

Key Skills

Software

Other

Top Subject Matter

Agentic AI workflow automation and LLM tool orchestration

LLM-powered content analysis and multi-provider orchestration

AI-assisted software development (practical AI tooling use)

Top Data Types

Audio

Top Task Types

Function Calling

Text Generation

Freelancer Overview

Senior Software Engineer — Agentic AI SEO Platform (Simple Effectiveness PTY LTD). Brings 8+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal, Proprietary Tooling, and Other. Education includes Bachelor of Digital Design, University of Newcastle and IBM Full Stack TypeScript Developer, IBM (2025). AI-training focus includes data types such as Computer Code and Programming and labeling workflows including Function Calling, Text Generation, and Computer Programming.

Labeling Experience

Senior Software Engineer — LLM-Powered Content Analysis SaaS (keywordgrid.com)

OtherText Generation

Developed an LLM-powered content analysis SaaS that integrated multiple LLM providers behind a provider-agnostic orchestration layer. Translated business requirements into shipping decisions while collaborating with stakeholders in an Agile environment. Mentored junior team members and contributed to engineering and hiring responsibilities. • Integrated Anthropic Claude, OpenAI, Gemini, and xAI through orchestration. • Built a production customer-serving application from mockups to completion. • Worked with co-founders and non-technical stakeholders to iterate toward outcomes. • Provided mentoring and guided junior team members during delivery.

2024 - Present

Senior Software Engineer — Agentic AI SEO Platform (Simple Effectiveness PTY LTD)

Function Calling

Built an agentic AI workflow platform that used MCP servers and a large set of custom tools to automate LLM-driven tasks and integrate them into a production web interface. Implemented provider-agnostic orchestration for LLM workflows and ensured end-to-end functionality from mockups to deployed customer-facing software. Designed system behavior around explicit tradeoffs such as scalability, security, and latency. • Implemented 2 MCP servers and 85+ custom tools within the agentic workflow. • Developed full-stack interfaces for agentic AI output and real-time dashboard updates. • Authored unit/integration tests to validate component reliability and correctness. • Built REST APIs supporting authentication, data processing, and third-party integrations.

2024 - Present

Software Engineer — E-Commerce & Digital Agency (Ecommerce Marketer PTY LTD)

Other

Embedded AI development tools into daily engineering workflows to accelerate code generation, debugging, and review. This practice supported creating and maintaining production web applications and backend integrations used by multiple clients. Performed collaboration and consultation activities that involved translating requirements into implementable technical work. • Used Claude Code, Cursor, and GitHub Copilot to speed up coding and debugging. • Participated in code reviews, engineering standards, and documentation for maintainability. • Diagnosed complex integration issues across third-party APIs and CMS stacks. • Consulted with clients on requirements scoping and adapting to shifting priorities.

2021 - 2024

Software Developer — Digital Marketing Agency (Search Insights PTY LTD)

Other

Built production web applications and backend integrations while continuously upskilling across the stack as project needs evolved. Practiced systematic peer review and consistent attention to detail to maintain code quality across client deliveries. Provided ongoing site reliability through fixes, security updates, and performance tuning. • Collaborated with senior developers and designers across scoping, implementation, QA, and delivery. • Conducted cross-browser quality checks and maintained engineering standards. • Performed bug fixing and performance tuning to support stable systems. • Delivered backend integrations across React/TypeScript, AWS, and PHP CMS platforms.

2019 - 2021

Education

Work History