Senior Platform Engineer API Gateway & Health Plan Integrations (Level 3)

Location: Remote, US
Sponsorship: Not available for this position

About the Role

Our client is a leading healthcare technology company whose integration platform connects millions of providers with thousands of health plans nationwide. Their API Gateway platforms are the backbone of that connectivity, powering secure, high-volume integrations across the U.S. healthcare ecosystem.

This role bridges two critical functions on a growing engineering team:

• API Connections: Establishing and managing connections with health plan partners, including OAuth, PKI, certificates, and integration setup.
• Platform Support: Maintaining and evolving the core API Gateway platform, including upgrades, patching, deployments, and operations.

You'll join a 7-person team as its 8th member, playing a key role in the team's long-term strategy of unifying integration and platform support into a single, more streamlined function.

What You'll Do

Integration Work

• Set up and maintain integrations with health plan partners
• Configure and troubleshoot OAuth authentication, PKI/certificates, and secure API connectivity
• Work directly with external partners to resolve connectivity issues, including live troubleshooting calls

Platform Engineering

• Manage and support enterprise-scale API Gateway platforms
• Support platform upgrades, patching, and deployments
• Troubleshoot infrastructure and connectivity issues
• Contribute to reliability practices (SLOs, SLIs, error budgets) and post-incident reviews
• Write clear technical documentation, including architecture diagrams and operational runbooks

Cloud & Infrastructure

• Operate within AWS environments, primarily EC2, Load Balancing, and Secrets Manager
• Use Terraform for infrastructure-as-code and repeatable deployments
• Kubernetes/EKS exposure is a plus; the team anticipates moving in this direction, though it's not a primary tool today

What You Bring

Required

• 4-6 years of experience in IT systems delivery, operations, or support, ideally in healthcare or other high-transaction environments
• Hands-on experience managing or supporting an API Gateway platform at scale
• Strong understanding of OAuth, PKI, certificates, and secure API integration standards
• Working knowledge of AWS (EC2, Load Balancing) and Terraform
• Excellent communication skills, with proven ability to lead technical troubleshooting calls and work directly with external partners
• A hands-on orientation: this role is built for someone who actively does the work, not one that's primarily managerial or theoretical

Strongly Preferred

• Experience with Tyk API Gateway (other enterprise gateways such as Kong, Apigee, MuleSoft, or IBM DataPower will also be considered)
• Go development experience
• Kubernetes/EKS knowledge
• Background integrating with health plan or payer systems

Nice to Have

• JavaScript
• SaaS experience supporting large-scale, mission-critical systems
• Experience mentoring junior engineers

Team & Schedule

• On-call rotation approximately 1 week in 3; the on-call engineer typically owns deployment windows, operational incidents, and priority support tickets
• Two release windows per week, generally overnight (roughly midnight-8:00 AM), including occasional Sunday deployments
• Fully domestic team, no offshore handoff or follow-the-sun coverage
• Current focus areas: integration tickets, new partner onboarding, and connection setup/troubleshooting

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