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# Software Engineer

- **Company:** Zelis Healthcare
- **Location:** Creve Coeur, MO, United States
- **Experience:** Starter
- **Salary:** $101,600.0 - $139,700.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Data Analysis, User Authentication, C Sharp (Programming Language), Databases, Software Debugging, Monitoring of Systems, Standard Sql, Software Engineering, SQL Databases, Systems Integration, Reliability of Systems, Api Design, Splunk, New Relic (SaaS)
- **Published:** October 1, 2026
- **Apply:** https://jobs.localjobnetwork.com/apply/add/88518470/1

## About the Role

* 1-3 years of professional software engineering experience
 * Experience developing, debugging, or supporting applications using C# .NET.
 * Working knowledge of SQL including the ability to query and analyze data for troubleshooting.
 * Strong debugging, analytical, and problem-solving skills with an interest in understanding how complex systems work.
 * Ability to read existing code and trace application behavior across multiple services and system components.
 * Strong communication skills and the ability to work effectively with engineers, business partners, and customers.
 * Ability to prioritize and take ownership in a fast-paced, high-impact production environment.
 * Willingness to participate in a rotating 24/7 on-call schedule.

Preferred:

 * Experience working with APIs and service integrations.
 * Familiarity with SSO, authentication, and authorization concepts.
 * Familiarity with Splunk, Logic Monitor, New Relic, and other monitoring tools

## Description

We are seeking a Software Engineer with experience with C# and SQL to join our Tier 2 Production Support Engineering team supporting a large, distributed healthcare payment platform. This high-impact role focuses on troubleshooting and resolving production issues while collaborating with engineering teams and occasionally working directly with customers. The position participates in a 24/7 on-call rotation and is primarily hybrid/remote, with candidates expected to be located in the St. Louis area and attend on-site training.

What You'll Do:

 * Troubleshoot, diagnose, and resolve complex production issues across a large, distributed healthcare platform.
 * Investigate application behavior using SQL, application logs, and monitoring tools.
 * Analyze and troubleshoot data issues.
 * Debug and Diagnose integrations (API, SSO)
 * Develop and implement code fixes, utilities, automation, and other solutions to improve system reliability and supportability.
 * Perform root-cause analysis for production incidents and help identify permanent solutions for recurring issues.
 * Collaborate with software engineering, infrastructure, database, operations, and other technical teams to resolve issues spanning multiple systems.
 * Communicate clearly with technical and non-technical stakeholders and occasionally work directly with healthcare customers to investigate complex issues.
 * Take ownership of production issues from initial investigation through resolution and follow-up.
 * Participate in a rotating 24/7 on-call schedule supporting business-critical production systems.