Full-stack product engineering
From interface architecture to APIs, data models and production delivery.
Melbourne, Australia
Senior software engineer · Full-stack
Sep Nejad.
Senior software engineer with 6+ years of engineering experience building scalable, high-performance products across React, TypeScript, Next.js, Ruby on Rails, Node.js and PostgreSQL. Focused on clean architecture, mentoring, product thinking and practical AI engineering.
React and TypeScript leadership
Scalable frontend systems, design systems, code review and team guidance.
Third-party integrations
Mixpanel, Zuora, Intercom, Freshdesk and interconnected product platforms.
Mentoring and clean architecture
Practical technical direction with maintainability and developer experience in mind.
Experience
Career
Leading frontend architecture, building reliable backend systems, integrating external platforms and mentoring engineers.
2026 — Present
Senior Software Engineer
Automotive technology · MelbourneBuilding production software across frontend and backend systems, with a focus on maintainable architecture, reliable user experiences, modern web applications, APIs and product delivery.
ReactTypeScriptNode.jsGraphQLPostgreSQLCI/CD
2022 — 2026
Senior Software Engineer
Domain Group · MelbourneLed UI development and scalable application architecture across high-traffic property technology products. Improved performance, strengthened test practices, integrated third-party services and mentored engineers while collaborating with product, design and backend teams.
ReactTypeScriptRuby on RailsPostgreSQLLeadership
2020 — 2022
Software Engineer
Realbase · SydneyLed development of the Engage application, introduced TypeScript, expanded a shared Storybook design system, delivered customer-facing product features and supported junior engineers. Realbase was later acquired by Domain.
ReactTypeScriptStorybookDesign SystemsMentoring
2016 — 2019
UI/UX Designer
Naamtech · SydneyCreated wireframes, prototypes, user flows, storyboards and interface mockups for web and application experiences, building the product-design foundation that still informs my engineering work.
UI/UXWireframesPrototypingProduct Design
Selected projects
Work
Products I have built professionally and independently across property technology, marketing and consumer software.
AI engineering
Building practical AI systems.
I am extending my full-stack background into AI engineering: designing features that add real value, are grounded in reliable data, can be evaluated, and integrate cleanly into production products.
LLM applications
Prompt design, structured outputs, context engineering, summarisation, tool use and agentic workflows.
RAG architectures
Embeddings, vector search, chunking, metadata filtering and retrieval pipelines grounded in trusted data.
Evaluation and observability
Quality signals, test datasets, human review, tracing, latency, cost control and continuous improvement.
Product integration
AI features designed as reliable parts of web and mobile products rather than isolated demonstrations.
Skills
Frontend
React, TypeScript, JavaScript, Next.js, TanStack Query, TanStack Start, Redux, Tailwind CSS, Storybook, React Hook Form
Backend and data
Ruby on Rails, Node.js, Hono, Express, GraphQL, REST APIs, PostgreSQL, Prisma, Drizzle ORM, authentication and database design
Delivery and leadership
AWS, GCP, Terraform, GitHub Actions, Git, testing, performance tuning, code review, technical documentation, mentoring and agile delivery
Education
Master of Information Technology in Networking
University of Technology Sydney
Certification
AWS Cloud Practitioner Essentials
Amazon Web Services
Languages: English (fluent), Persian (native)