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Backend Data Engineer -PHP, APIs & ETL

HTC Global Services, Phoenix, AZ, United States


Overview / Summary
HTC is seeking a Backend Data Engineer to build and support backend services, data pipelines, and database structures for the Public Health Data Portal. This role focuses on RESTful API development, ETL pipelines, synchronization processes, and multi-store database design to support both public‑facing and administrative capabilities. You will collaborate with cross‑functional teams to deliver a secure, scalable, and maintainable data foundation.

Job Title
Backend Data Engineer (PHP, APIs & ETL)

Key Responsibilities
Backend API & Service Development

Design and develop RESTful API services for data retrieval, metadata management, content management, authentication, audit logging, export generation, and data synchronization

Implement authentication filters, rate limiting, request logging, and standardized JSON responses

Build reusable service components using CodeIgniter 4 patterns

Integrate backend services with Redis caching, AWS Secrets Manager, and SQL Server 2022 on AWS RDS

Data Engineering & ETL

Design and build ETL pipelines to ingest data from SQL Server staging into analytical and operational data stores

Implement batch processing for data standardization, deduplication, cleansing, and aggregation across datasets

Support synchronization across Dev, Test, and Prod environments

Deliver documented ETL tools and processing logic for client handoff

Database & Data Model Design

Design extensible SQL Server 2022 schemas to support future datasets

Optimize relational structures for performance, scalability, and maintainability

Implement multi‑store analytical data patterns with pre‑aggregated data

Produce data dictionaries and technical documentation

Data Quality, Reliability & Operational Support

Implement data quality validation checks including schema validation, completeness, referential integrity, and deduplication

Build rollback and recovery mechanisms with structured error logging

Integrate with AWS CloudWatch, CloudTrail, and Change Log Service for audit tracking

Ensure secure and reliable backend and data operations

Collaboration & Technical Delivery

Collaborate with frontend, architecture, QA, DevOps, and project teams

Contribute to API design, performance optimization, and delivery planning

Produce technical handover documentation

Write unit tests using PHPUnit and support CI/CD testing integration

Required Qualifications

6+ years of backend development experience with RESTful APIs and service‑layer architectures

Strong experience with PHP 8.x (ideally 8.4) and frameworks such as CodeIgniter 4, Laravel, or Symfony

Strong SQL Server (2019/2022) experience including schema design, T‑SQL, stored procedures, and performance tuning

Hands‑on experience building ETL pipelines, batch processing, and data transformation workflows

Experience implementing data quality controls, validation logic, deduplication, and referential integrity

Experience with synchronization, audit logging, and error handling in backend/data workflows

Strong understanding of structured data, metadata, and extensible data models

Experience writing unit tests with PHPUnit and integrating with CI/CD pipelines

Strong documentation and handoff capabilities

Benefits
At HTC Global Services, our employees have access to a comprehensive benefits package. Benefits can include Group Health (Medical, Dental, and Vision), Paid Time Off, Paid Holidays, 401(k) matching, Group Life and Disability insurance, Professional Development opportunities, Wellness programs, and a variety of other perks.

Equal Opportunity Employer
Our success as a company is built on inclusion and diversity. HTC Global Services is committed to providing a workplace free from discrimination and harassment, where every employee is treated with dignity and respect. We celebrate differences and believe that diverse cultures, perspectives, and skills drive innovation and success. HTC is an Equal Opportunity Employer and a proud National Minority Supplier. We seek to empower each individual, fostering an environment where everyone feels valued, included, and respected.

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