Senior Software Engineer

Northwell Health; Town of North Hempstead (NY); On-site; USD 120,000 - 150,000; Full time

Job summary

Northwell Health is seeking an API-focused engineer to guide the development and optimization of enterprise APIs. You will design, build, and test API services, enforce security, and collaborate across teams to ensure reliable, scalable integrations within Azure-based environments.

The role emphasizes hands-on experience with API proxies, RESTful standards, and observability tooling, including Datadog, to monitor performance and reliability across services.

Qualifications

• Bachelor's Degree required or equivalent combination of education and related experience.
• 3-5 years of relevant experience, required.

Responsibilities

• Designs and develops solutions to problems independently or in a team environment; writes efficient, reliable code.
• Creates technical documents such as design specifications.
• Uses relational databases by integrating data storage solutions.
• Uses Azure services such as Functions, Logic Apps, App Services, Containers, Cosmos DB, Event Hubs.
• Implements messaging patterns for system-to-system communication.
• Ensures applications perform with high capacity, responsiveness, and quality.
• Identifies and fixes issues to reduce defects.
• Keeps platform code and data organized, automated, and high quality.
• Guides junior team members on software design and development best practices.
• Works with limited guidance on moderately complex to complex issues.

Skills

Apigee API

HTTP/REST

API security

API testing tools

SQL & Datadog

Education

Bachelor's Degree

Tools

Postman

SoapUI

Insomnia

Bruno

Job description

Highly Preferred:

• Apigee API Management Platform Proficiency: Demonstrated experience with API proxy design and configuration, including implementation and optimization of gateway policies such as rate limiting, spike arrest, and quota enforcement, as well as advanced fault handling and error flow management.
• HTTP Protocol & RESTful Standards Expertise: Strong command of HTTP response status code interpretation and application (e.g., 2xx success, 4xx client errors, 5xx server errors), with the ability to accurately diagnose and troubleshoot API behavior across the full request/response lifecycle.
• API Security & Authentication Protocols: Hands-on experience implementing and troubleshooting secure access protocols, including OAuth 2.0 authorization flows, JWT token generation and validation, API key management, and basic authentication schemes within enterprise-grade API ecosystems.
• API Development & Testing Tooling: Proficiency with industry-standard GUI-based API client tools—such as Bruno, Postman, SoapUI, or Insomnia—for crafting, executing, and validating manual API requests, debugging payloads, and performing end-to-end integration testing across complex service architectures.
• SQL & Observability Platform Experience: Working knowledge of SQL for querying, analyzing, and validating data across relational databases in support of back-end service development and troubleshooting, combined with hands‑on experience leveraging Datadog for application performance monitoring (APM), log aggregation, dashboard creation, and real‑time alerting to ensure API reliability and operational health

Job Description

Guides team members to provide direct input to the overall engineering process and to team meetings. Coordinates within a team environment is essential to work on various aspects of the platform and products, as is a devotion of collaboration to problem solve, design sophistically, and increase product quality.

Job Responsibility

• Designs and develops solutions to various problems either independently or in a team environment; designs and maintains efficient code that is reliable.
• Forms technical documents such as a design specification document.
• Utilizes relational databases by integrating data storage solutions.
• Utilizes Azure services such as, but not limited to, Functions, Logic Apps, App Services, Containers, Cosmos DB, event hubs.
• Utilizes messaging patterns for system-to-system communication.
• Ensures applications are performing at high capacity, responsiveness, and quality.
• Finds solutions to reduce issues and defects.
• Maintains that the platform's code and data are organized, automated, and of high quality.
• Guides junior team personnel by recommending software design and development opportunities/best practices.
• Operates under limited guidance and work assignments involve moderately complex to complex issues where the analysis of situations or data requires in-depth evaluation of variable factors.
• Performs related duties as required. All responsibilities noted here are considered essential functions of the job under the Americans with Disabilities Act. Duties not mentioned here, but considered related are not essential functions.

Job Qualification

• Bachelor's Degree required, or equivalent combination of education and related experience.
• 3-5 years of relevant experience, required.

*Additional Salary Detail
The salary range and/or hourly rate listed is a good faith determination of potential base compensation that may be offered to a successful applicant for this position at the time of this job advertisement and may be modified in the future.When determining a team member's base salary and/or rate, several factors may be considered as applicable (e.g., location, specialty, service line, years of relevant experience, education, credentials, negotiated contracts, budget and internal equity).