Mat Henshall Email & Phone Number

Berkeley, Ca, Us

Provide engineering governance on behalf of CEO for development by external dev team of a custom EHR workflow built on top of Medplum ehr (www.medplum.com)

PoC on integrating AI services into Medplum EHR (www.medplum.com).

Developing AI Agent using a domain-specific language for Healthtech applications. Developing a service that takes lab reports in PDF and fax format and converts to FHIR resources

Fintech Startup - Freelance Principal Engineer* Converted Complex Authorization service from NestJs Graphql/TypeOrm to Pothos graphql/Prisma ORM. Replaced Auth0 integration with direct GoogleAuth,* Created a PoC for a workflow sub-system that enables complex user flows to be dynamically rendered depending on product, user role etc.

Cincinnati, Oh, Us

* Helped small development team develop better deployment and management processes with formal retros on incidents* Built a number of Proof of concepts around alternative approaches to infrastructure and tech stack (Python, Typescript, ECS/Serverless)* Helped CEO develop an ongoing strategy for technology

New York, Ny, Us

* Developed an AWS serverless event driven architecture using graphql * Worked with the product and engineering team transition from a monolith to lighter weight services.* Evaluated Headless EHR and piloted integration strategy for using Medplum's FHIR based solution

Rumbleship provides a "Buy now, Pay later" payment system for B2B ecommerce web sites.Design and build event driven architecture and supporting libraries: * GraphQL over GCloud PubSub event queue * Typescript/Node.js running in AppEngine * Libraries to map graphQL to Sequelize/MySQL with enforcement of secuirty policies * Built in observability using Honeycomb Developed multiple services within the architecture, including: * Banking/ACH payment service * Orchestration and Choreographer based Workflow for underwriting and on-boarding * Migration of accounting journal and ledgers from from JavaScript monolith* Designed and implemented a standarized implementation for integrations into third party ecommerce platforms (eg BigCommerce, WooCommerce, TradeGecko).

8 week contract gig developing crypto miner management software. Golang, typescript, react, mobx

Chicago, Il, Us

IoT Geek. Provide insight and advise on all things connected.

Melbourne, Victoria, Au

Developed a highly scalable, secure IoT platform which includes server, gateways and end point devices. Product managed engineering team in China and did hands on embedded 'C' development and prototyping, node.js client and server for variety of products.

Pleasanton, California, Us

Created innovative hardware and software smart home products. As part of a small agile team, we successfully brought three products to the professional installer market, including the first smarthome control app to the iPhone App store.Developed and took to manufacturing readiness a complex IR/Wifi/ZWave (mesh network) gateway and cloud infrastructure.

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Built the company into a 40+ employee "FinTech" focused software development organization that focused on managing mortgage and asset backed financial instruments and insurance systems.

Provided management consulting and organizational change mentoring to Fortune 50 companies. Focused on helping traditional IT organizations adopt iterative and agile practices.By personally providing mentorship to over 50 project teams, discovered how much nonsense is written about 'the right way' to develop software.Major clients included Safeway, Inc., PMI, Redwood Trust Inc

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Developed and deployed the first private label credit card on the internet. Company funded by Sequoia, Accel and others.

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Software Architecture and Framework Research.