Software Engineer – Interoperability, Data Platforms

Sigma Systems

Software Engineer designing, building, and supporting healthcare interoperability and data integration solutions for enterprise clients. Focus on FHIR-based APIs, high-volume ETL pipelines, and cloud platforms.

Posted 4/24/2026contractPittsburgh • Pennsylvania • 🇺🇸 United StatesMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

ApacheBigQueryCloudETLGoogle Cloud PlatformHadoopInformaticaJavaScriptPySparkPythonSpark

About the role

Key responsibilities & impact

Design, configure, and develop FHIR-based interoperability solutions using SmileCDR.
Implement and support HL7 FHIR resources (US Core, Da Vinci, CMS-mandated APIs).
Develop and maintain RESTful APIs for Patient Access, Provider Directory, Prior Authorization, and Payer-to-Payer use cases.
Build API integrations using JavaScript, REST, OAuth2, and JSON payloads.
Integrate external interoperability platforms such as Redox and third-party healthcare APIs.
Ensure API performance, monitoring, security, and compliance.
Configure and manage SmileCDR repositories, FHIR endpoints, and ingestion pipelines.
Develop FHIR mapping, transformation, and validation logic.
Implement workflows, interceptors, subscriptions, and persistence strategies.
Design and build large-scale ETL/ELT pipelines for clinical, claims, and member datasets.
Develop pipelines using Python, PySpark, and distributed processing frameworks.
Perform source-to-target mapping, transformations, and data quality validations.
Support batch, incremental, and near real-time ingestion patterns.
Develop and maintain pipelines using Informatica BDM.
Implement mappings, workflows, and transformations across Hadoop and cloud platforms.
Optimize performance, scalability, and reliability of BDM jobs.
Work with modern data platforms including DBT, Starburst/Trino, Apache Iceberg, and GCP/BigQuery.
Build and maintain CI/CD pipelines using GitLab.
Follow DevOps best practices for version control, testing, and deployments.
Support cloud deployments, primarily on GCP.
Partner with product owners, architects, vendors, and compliance teams.
Support CMS ONC regulatory timelines and audit readiness.
Participate in code reviews, design discussions, and documentation.
Provide production support and root cause analysis for critical systems.

Requirements

What you’ll need

Bachelor's or Master's degree in Computer Science, Engineering, or equivalent experience.
Hands-on experience with SmileCDR (configuration, ingestion, APIs).
Strong knowledge of HL7 FHIR (US Core, Da Vinci).
Experience with REST APIs, OAuth2, and JSON.
JavaScript for API and integration development.
Experience with Redox or similar healthcare integration platforms.
Experience building large-scale ETL/ELT pipelines.
Proficiency in Python and PySpark.
Strong data modeling and source-to-target mapping skills.
Experience with Informatica Big Data Management (BDM).
Familiarity with Informatica PowerCenter or IDMC (preferred).
Hands-on experience with Hadoop, Hive, and Spark.
Experience with DBT, Starburst/Trino, Apache Iceberg, and GCP/BigQuery.
Experience with GitLab CI/CD pipelines.
Strong understanding of DevOps and release management practices.
Experience with cloud platforms, preferably GCP.
Healthcare payer or provider interoperability experience (preferred).
Experience with CMS ONC / BCBSA mandates (preferred).
HL7 FHIR certification or equivalent hands-on experience (preferred).

Benefits

Comp & perks

Competitive compensation
Career-defining opportunities
Ability to contribute to high-impact projects in innovative environments

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

SmileCDRHL7 FHIRREST APIsJavaScriptPythonPySparkInformatica BDMETLELTOAuth2

Soft Skills

collaborationcommunicationproblem-solvingroot cause analysisdesign discussionsdocumentationcode reviewsperformance optimizationscalabilityreliability

Certifications

HL7 FHIR certification