Software engineer · Data platforms & backend systems

Backend engineering.Healthcare data systems.

I build healthcare integrations and reusable data utilities. I work directly with customers to help them use, move, and understand their data.

View experience

Focus

Healthcare data platformsCross-system integrationIdentity resolutionReusable frameworksData quality & lineage

Selected work

Integrations, reporting, and data utilities.

01Provider integration

Migrating and maintaining provider data.

I built a C# integration spanning roughly 60 entity types and 4.5 million provider relationships. It coordinates dependent API writes and traces publishing results back to individual source records.

02Member reconciliation

Reconciling enrollment for 80,000 members.

I built a workflow that compares enrollment and payer records and produces daily files of eligible demographic corrections. Audit checks hold back members with blocking discrepancies, while coverage differences remain visible for manual resolution.

03Data change requests

Reviewing and applying master data changes.

I extended Gaine with three plugin stages for reviewing and applying provider and organization changes from Veeva. The workflow rechecks targets before applying approved changes and records each field’s decision and outcome.

04Data ingestion

Preparing source data with reusable SQL.

I built configurable utilities for cleansing, code translation, and filtering, with source-specific joins and rules kept in focused views. Developers reuse them across customer implementations and can inspect records before mapping.

05Reporting framework

Shared data views for faster reporting.

I built reusable SQL views that define joins, lookups, and presentation once, so report authors can focus on their question. When the required data is already available, new reports can take minutes instead of hours or days.

06Database deployments

Layered SQL Server deployments.

I designed a deployment framework that combines shared code with customer-specific extensions and configuration. It has supported 10+ customers over six years, with the deployed Git commit tracked for each environment.

How I work

How I build and debug.

01 / Inspect

Work with source data early.

Make source data available for inspection and reporting before canonical mapping is complete.

02 / Reuse

Standardize repeated integration work.

Share ingestion, validation, and publishing code. Keep destination-specific behavior in plugins.

03 / Trace

Account for what the software did.

Record what succeeded, what failed, and what was excluded, with precise counts and enough detail to trace individual records.

Experience

Healthcare data.
Backend systems.

Experience spanning healthcare MDM, enterprise integrations, geospatial systems, performance-sensitive services, and graduate research in software engineering.

Current focusHealthcare technology

Healthcare data platforms & integration

I work with customers to define data rules, build integrations, and investigate production issues. The shared tools I build make source data readable, reports faster to write, and publishing results easier to explain.

C# / .NETSQLREST APIsPythonHealthcare MDMSnowflakeAWS
EarlierBAE Systems

Backend systems & geospatial data processing

Built backend and data-processing capabilities across Java, C++, PostgreSQL, Solr, geospatial systems, web services, image streaming, and asynchronous file transfer.

JavaC++PostgreSQLSolrCesiumOSGi
Graduate researchSoftware engineering

Safety-critical drone systems

Completed B.S. and M.S. degrees in computer science, then pursued doctoral research on safety-critical drone systems.

Research MethodsSafety-Critical SystemsDrone Systems

Contact

To talk about software or data, get in touch.

seanbayley@gmail.com