Sushan Abeyratne Architecture · Engineering Leadership · Software Delivery
Work Experience
Global experiences, across technologies and products McCrae Tech , New Zealand
Apr 2025 to Present
Leading the team behind the Orchestral health data platform. Driving technical direction across platform delivery, architecture, and engineering execution. Applying deep health-tech and interoperability experience to a current platform leadership role. Orion Health , New Zealand
2020 to 2025
Led a team of 10 engineers on Orion Health's Smart Data Platform. Redesigned the platform around event-driven and CQRS principles. Introduced pluggable pipeline architecture using technologies such as Kafka and Spark. Cambio Healthcare Systems , Sweden + Sri Lanka
2007 to 2020
Led design and development of critical modules for the COSMIC EHR System. Provided technical leadership across agile teams and architectural transformations. Drove redesign of core modules and migration toward a more modern stack and services model. Skills
Leader, Architect, and Tech Enthusiast Technical Strategy Architecture AWS Certified Solutions Architect Event-driven Architecture Domain-driven Design CQRS Microservices Data Pipelines Interoperability Cloud-native Platforms Release Management Project Delivery Mentorship Agile Methodologies DevOps Data Lakes Data Warehousing AWS Google Cloud Platform Kubernetes Docker Java Spring Python Spark Kafka SQL REST GraphQL Helm Terraform Ansible Airflow Apache Ranger Jupyter Notebooks Jenkins GitLab CI/CD
McCrae Tech · Apr 2025 - Present
Senior Lead Engineer
Leading the engineering team behind McCrae Tech's Orchestral health data platform from April 2025 onward.
More details Leading the team responsible for the Orchestral health data platform. Driving technical direction across platform delivery and engineering execution. Building on a background in healthcare systems, interoperability, and scalable platform design. Cloud-native platforms Data pipelines Event-driven architecture Interoperability Team leadership Open project page Orion Health · 2020 - 2025
Lead Engineer
Led the design and development of Orion Health's Smart Data Platform with an event-driven, cloud-native architecture.
More details Led a team of 10 engineers delivering a new platform direction. Redesigned the platform around event-driven and CQRS principles. Introduced pluggable pipeline patterns and technologies such as GraphQL. Java Kafka Spark Kubernetes AWS Open project page Cambio Healthcare Systems · 2018 - 2020
Software Architect
Redesigned a clinical ordering module for laboratory and imaging workflows with a more modern integration model.
More details Modernised ordering flows across specialties and external providers. Aligned interoperability with FHIR-oriented information exchange. Improved extensibility for new specialties and workflow variations. Java Spring Hibernate REST FHIR Open project page Cambio Healthcare Systems · 2016 - 2018
Software Architect
Built dashboard-oriented clinical displays that surfaced operational and patient-context information for day-to-day care workflows.
More details Delivered configurable dashboards for multiple care contexts. Improved clinician access to high-value operational information. Balanced backend complexity with usable front-end workflow design. Java Spring Hibernate JavaScript HTML5 Open project page Cambio Healthcare Systems · 2014 - 2015
Lead Engineer
Delivered tooling for merging records safely when temporary and identified patient data needed to be reconciled.
More details Supported operational use in emergency and identification workflows. Handled data reconciliation in a sensitive record-management context. Contributed to functionality used across multiple regional markets. Java Spring Hibernate EJB Microsoft SQL Server Open project page Cambio Healthcare Systems · 2013 - 2014
Lead Engineer
Enabled national services to access and exchange health information from the COSMIC ecosystem through a dedicated integration module.
More details Supported external access to patient and medication-related information. Integrated with service boundaries that demanded stable contracts. Helped deliver production-ready interoperability for public-sector use. Java EJB Spring Hibernate SOAP Open project page 
