Hi, I’m Duncan Samarasinghe. I’m an Integration Engineer with over two decades of experience working across healthcare and finance, focusing on HL7 integration and Oracle PL/SQL development. I have led CIM design, implementation and go-lives for NHS sites and have hands-on experience with Rhapsody/Lyniate/Lnnotations in NHS environments, along with a track record of delivering reliable interfaces and data integration solutions. Based in West Scotland, I enjoy solving complex data integration challenges, mentoring teams, and driving value through robust CIM solutions. Outside work I pursue writing, podcasting, astrophotography, photography, and volunteer activities that support communities and charitable causes.

Duncan Samarasinghe

Hi, I’m Duncan Samarasinghe. I’m an Integration Engineer with over two decades of experience working across healthcare and finance, focusing on HL7 integration and Oracle PL/SQL development. I have led CIM design, implementation and go-lives for NHS sites and have hands-on experience with Rhapsody/Lyniate/Lnnotations in NHS environments, along with a track record of delivering reliable interfaces and data integration solutions. Based in West Scotland, I enjoy solving complex data integration challenges, mentoring teams, and driving value through robust CIM solutions. Outside work I pursue writing, podcasting, astrophotography, photography, and volunteer activities that support communities and charitable causes.

Available to hire

Hi, I’m Duncan Samarasinghe. I’m an Integration Engineer with over two decades of experience working across healthcare and finance, focusing on HL7 integration and Oracle PL/SQL development. I have led CIM design, implementation and go-lives for NHS sites and have hands-on experience with Rhapsody/Lyniate/Lnnotations in NHS environments, along with a track record of delivering reliable interfaces and data integration solutions.

Based in West Scotland, I enjoy solving complex data integration challenges, mentoring teams, and driving value through robust CIM solutions. Outside work I pursue writing, podcasting, astrophotography, photography, and volunteer activities that support communities and charitable causes.

See more

Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate

Language

English
Fluent
French
Beginner
Spanish; Castilian
Beginner
German
Beginner

Work Experience

CIM Engineer at Clinisys Solutions Ltd
June 1, 2021 - October 1, 2025
Lead the Integration discipline of WPE upgrade projects for NHS clients. Responsibilities included leading client meetings, designing CIM solutions, implementing and going live with CIM solutions, and providing support during UAT and live issues. Played a key role in networking, programming, project management, and documentation.
Digital Integration Developer at Mid and South Essex NHS Trust
October 1, 2020 - June 1, 2021
Migration project using Lyniate Rhapsody 6.5, HL7 V2.4 and MS SQL Server to consolidate three Trust TIEs into one; legacy TIEs used Intersystems Ensemble and Microsoft BizTalk.
Integration Developer at Hillingdon Hospitals NHS Trust
October 1, 2018 - October 1, 2020
Dev/support/admin on the TIE. Worked with Intersystems Health Connect, HL7 V2.5.1 and MS SQL Server. Created Docman/NHS Mail routines for electronic documents. Supported PAS team on data quality issues and acted as the integration lead on system projects; provided day-to-day admin for the integration network and served as subject matter expert.
Integration Engineer at Bradford Teaching Hospitals NHS Trust
February 1, 2010 - November 1, 2011
Corporate Database Support team member responsible for developing, supporting and administering the Trust Integration Engine. Technologies included JCAPS 5.1.3, Oracle 11g RAC, UNIX, Java 6, HL7 v2.3. Designed a solution to send SMS appointment reminders via JCAPS using SMTP/IMAP with an Oracle APEX monitoring front end.
Oracle Interface Developer at Oasis Medical Solutions
May 1, 2007 - June 1, 2009
Integration team supporting and developing inbound/outbound HL7 v2.2 messaging for the NHS. Oracle (10g) PL/SQL development and support on a bespoke PAS system.
Oracle SWIFT Interface Developer at Société Générale
May 1, 2006 - January 1, 2007
Oracle 9i project translating history files into MFTA format, performing data validations. Worked with SWIFT messages MT541 and MT543; extracted monthly fund transaction information from IGEFI and transformed data into SWIFT and CSV formats; handled large memory structures (BLOBs).
Career Break / Volunteer Work at Volunteer / Charity Work
January 1, 2012 - September 1, 2018
Voluntary positions at Together for Change (2016-Current); Forum staff St Luke’s Hospice (2017-2018); Imperial War Museums (2016-2017); Sue Ryder (2012, 2017); Sales assistant roles in various positions.

Education

MEng (Hons.) Chemical Engineering at Imperial College
January 11, 2030 - January 1, 1997
A-Levels at Haberdashers' Aske's School
January 11, 2030 - January 1, 1993
MSc Interactive Multimedia at University of Westminster
January 11, 2030 - January 1, 2003
Java Online at Dundee University
January 11, 2030 - January 1, 2018

Qualifications

Oracle Certified Associate: PL/SQL Developer
January 1, 2004 - January 5, 2026

Industry Experience

Healthcare, Software & Internet, Professional Services