Senior Data Platform & API Engineer – Remote

Ellkay,-LLC; United States; Hybrid; USD 180,000 - 200,000; Full time

Benefits offered by this job

Medical, Dental, and Vision benefits

Employer-paid Life and LTD

401k w/ matching

Work/life balance

Generous FTO

Remote work options

Employee Discounts

Gym membership / Exercise class stip"

Job summary

ELLKAY is seeking a Staff Engineer - Data Platform & APIs to lead the design and construction of scalable backend services and data pipelines on a cloud-native platform. You will provide technical leadership across backend engineering, data engineering, API architecture, and cloud platform development.

In this senior IC role, you will establish reusable enterprise capabilities, define API standards, and mentor engineers while partnering with multiple teams to drive secure, observable, and

Qualifications

• Experience building enterprise backend platforms and APIs.
• Hands-on data engineering with ingestion, transformation, and large-scale processing.
• Experience with AWS and modern cloud-native architecture.
• Strong understanding of distributed systems, API design, event-driven processing, security, and observability.
• Ability to operate as a senior technical leader across multiple teams.
• Healthcare data or interoperability experience is preferred but not required

Responsibilities

• Design and build scalable backend services, APIs, data pipelines, and platform components.
• Define standards for REST APIs, asynchronous APIs, event-driven processing, batch interfaces, versioning, authentication, authorization, retries, and idempotency.
• Develop reusable services for ingestion, transformation, validation, reconciliation, data access, and workflow orchestration.
• Build cloud-native solutions using AWS, Snowflake, SQL, Python, Java or equivalent backend technologies.
• Design services capable of supporting large-scale healthcare data processing while maintaining security, reliability, and auditability.
• Establish reusable API contracts, SDKs, templates, and engineering patterns for product and platform teams.
• Implement automated testing, CI/CD, infrastructure integration, observability, logging, metrics, alerting, and operational dashboards.
• Improve the performance, scalability, reliability, and cost efficiency of platform services and data-processing workloads.
• Partner with Data Platform, Data Architecture, Migration, LKOasis, LKOpera, eMPI, Interoperability, and AI/ML teams.
• Lead technical design reviews and guide teams on backend, API, data-processing, and cloud architecture decisions.
• Mentor engineers and raise engineering standards without having direct employee-management responsibility.
• Investigate complex production issues and lead root-cause analysis and permanent remediation.
• Create architecture documentation, API specifications, operating procedures, and reusable implementation guides.

Skills

Backend engineering

Data engineering

AWS

Cloud-native architecture

Distributed systems

API design

Event-driven processing

Security

Observability

Technical leadership

Tools

Python

Java

SQL

AWS

Job description

ELLKAY is seeking a Staff Engineer - Data Platform & APIs to lead the design and construction of scalable backend services and data pipelines on a cloud-native platform. You will provide technical leadership across backend engineering, data engineering, API architecture, and cloud platform development.

In this senior IC role, you will establish reusable enterprise capabilities, define API standards, and mentor engineers while partnering with multiple teams to drive secure, observable, and