Integration Engineer – Cache, HealthConnect, Ensemble,Ref: 053

Role Type

Integration Engineer

Skills / Experience

InterSystems Cache, HealthConnect, InterSystems IRIS, HL7, XML, FHIR, JSON, JWT

Availability

4 weeks notice

Contract Preference

Permanent

Salary / Rate Expectation

£45k/£50k

Profile

A skilled Integration Engineer with almost 4 years experience in healthcare data systems, specialising in HL7 messaging, FHIR, and Intersystems technologies.  Contributed to the development and maintenance of Electronic Document Management Systems, working on document transformation (XML, Base64, HL7), handling multiple file types, and creating token-based authentication mechanisms.

Played a key role in integrating patient mortality records and led a major migration project, managing client communications, scoping solutions, and handling technical redevelopment. Experienced in transforming various data formats (FHIR, XML, JSON) to improve clinical workflows. Project management responsibilities included drafting proposals, change requests, documentation, and budget/time tracking using Jira and Clockify. Previously worked as a Data Analyst, delivering platform integrations and client-specific document mapping using Caché ObjectScript and JavaScript. Developed innovative solutions for document processing and mentored junior team members. Served as a backup project manager, contributing to internal training and knowledge transfer. Early career experience in support roles provided a foundation in service delivery, troubleshooting, and customer-facing communication. Technically adept with Intersystems Caché, HealthConnect, IRIS, and a range of integration engines and scripting tools, with a strong focus on efficiency, collaboration, and data integrity in high-stakes environments.

Skills:

Intersystems Cache

Cache ObjectScript

Intersystems IRIS

HealthConnect

Ensemble

HL7

FHIR

CSS

C

JavaScript

REST API’s

JSON Web Token (JWT)

Java

Jira

Python

SQL

C++

 

 

Experience

Feb 2024 – Present  Integration Engineer – healthcare software vendor

  • Use of Intersystems Cache alongside both the HealthConnect & IRIS Integration Engines to facilitate the transfer of medical patient data and clinical documents via Health Level 7 (HL7) Messaging
  • Assisted in the creation of a multifunctional Electronic Document Management System, handling the input & output side including but not limited to document receiving including XML transformations into HL7 messaging and alternative XML formats.  Document transformation into and out of Base64 into HL7 message.  Handling of multiple file types
  • Developed a system for handling patient mortality records involving:  integrated the inbound data with the Integration Engine’s patient demographics system, ensuring data quality and integrity.  Created a self-contained token authentication business operation that can grab a web token and store it in such a way that it can be used freely and be monitored.
  • Took over the development and project management of a full-scale integration engine conversion involving a switch of the patient care provider which involved handling client communication and requests in a timely manner. Scoping and creating new solutions at the client’s request which has saved significant time & budget consumption.  Handled the majority of the redevelopment, including specific filtering, comprehensive checks, and merge solutions
  • Created various solutions that have allowed for the transformation of XMLs, Fast Healthcare Interoperability Resource (FHIR), and HTTP JSON Request and Response payloads for the purposes of improving clinical efficiency
  • Project management for numerous integration projects of varying scales involving writing project proposals and gathering client specifications.  Drafting change requests and documentation for both internal and external change management.  Budget estimates and timekeeping via Jira and Clockify
Skills: HL7, Fast Healthcare Interoperability Resources (FHIR), Project Management, JSON Web Token (JWT), Intersystems Cache
Aug 2021 – Feb 2024 – Data Analyst – supply chain software vendor
  • Implemented client-driven solutions using JavaScript and Caché ObjectScript (Intersystems Caché). Contributed to integration efforts between systems to ensure reliable data exchange.
  • Participated in multiple technical teams including onboarding, support, migration, and client services, programming data document maps and using proprietary document analysis tools.
  • Led migration of legacy system functionality to a modern platform, rewriting business logic and streamlining complex processes.
  • Developed two innovative document extraction and processing solutions, later adopted by both the extraction and development teams.
  • Provided mentorship to a junior colleague, offering guidance on tasks and sharing experience from previous roles.
  • Delivered training sessions across technical and client-facing teams to support the implementation of newly developed processes.
  • Temporarily acted as backup project manager within the migration function for a two-month period.

Skills: Intersystems Caché, Caché ObjectScript, JavaScript

July 2020 – Aug 2021 – Service Support Analyst – supply chain software vendor
First full time role after leaving Uni
For further information on this candidate please use reference number: 053

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