Matt Haitana

CoStar Group · Full-time

• Engineering high-visibility, premium customer-facing web surfaces and listing experiences using React 18/19 and Next.js 15.
• Collaborating closely with design, product, and cross-functional teams to design scalable platform architectures and ensure visual excellence.

Domain · Full-time

• Architected and maintained a multi-client GraphQL BFF (Apollo Server 4 / Express / Next.js) serving web, iOS, and Android clients simultaneously, implementing field-level authorization directives and OpenAPI-to-TypeScript codegen to eliminate contract drift.
• Led cross-platform delivery of real-time agent productivity products, establishing unified type-safe codegen pipelines, visual regression testing (Percy), snapshot testing (Roborazzi), and 80%+ coverage gates.
• Designed and maintained two composable design system monorepos (using Lerna and Changesets) supplying 30+ React component packages with sub-path exports and Emotion CSS-in-JS design tokens, consumed across multiple internal products.
• Owned end-to-end CI/CD for a suite of containerized Node.js services on AWS ECS Fargate, authoring multi-stage Dockerfiles, Jenkins pipelines (covering unit, integration, and schema checks), and AWS CDK deployments with per-PR preview environments.
• Promoted from Frontend Developer to Senior Engineer across four consecutive roles, leading frontend development for Agent Solutions and Realtime Agent products.

Real Time Agent · Full-time

• Built real-time auction and offer-management interfaces for real estate agents using React, Node.js, and WebSockets.
• Established foundational components and real-time state synchronization patterns adopted across broader platforms after company acquisition.

Future Golf · Casual

• Delivered full-stack features for a golf-tech platform on a casual contract basis.
• Improved deployment reliability and release cadence by setting up automated CI/CD pipelines.

New Zealand Defence Force · Full-time

• Developed internal tooling and front-end systems for defence operations.
• Modelled operational processes, simulations, and interactive transit/logistics tools to inform capability decisions.

NZ Army · Reserves

• Developed leadership, discipline, and mission-focus alongside a technical career.