Lead Full Stack Engineer, .NET, React, AWS

Gainwell Technologies

. Provide senior technical leadership for secure, scalable applications supporting Medicaid DDI and modernized Provider Plus delivery .

Posted 9/30/2026full-timeRemote • United StatesSenior💰 $86,800 - $124,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in application development with a focus on secure, scalable solutions in regulated healthcare environments. Proficient in leading technical teams, guiding architecture, and implementing modern development practices using C#, .NET, React, and AWS.

Highest-signal resume keywords

C#/.NET ExpertiseJavaScript/TypeScript ProficiencyPostgreSQL/SQL Advanced SkillsAWS Cloud-Native EngineeringTechnical Leadership Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Application DevelopmentAPI DevelopmentMulti-Tenant ArchitectureData IntegrationEvent-Driven IntegrationsTerraformCI/CDAutomated Quality GatesVulnerability RemediationSecure Logging

Soft Skills

MentoringCommunication

Tools & Technologies

ReactTypeScriptAWSKafka/MSKGlue/Spark

Industry Keywords

MedicaidMedicareMMISMESRegulated Healthcare

Tech Stack

Tools & technologies

AWSCloudJavaScriptKafkaPostgresReactSparkSQLTerraformTypeScript.NET

About the role

Key responsibilities & impact

Provide senior technical leadership for secure, scalable applications supporting Medicaid DDI and modernized Provider Plus delivery
Lead application design and implementation standards across React/TypeScript, .NET 10/C#, APIs, data, integrations and AWS workloads
Review complex designs, code, test evidence and technical specifications
Resolve defects, performance issues and production risks
Guide multi-tenant architecture, configuration-driven behavior, feature flags, versioning and compatibility with required legacy interfaces
Guide PostgreSQL modeling, conversion/reconciliation, REST and event-driven integrations, Glue/Spark batch workloads and Kafka/MSK patterns
Establish Terraform, CI/CD, automated quality gates, observability, secure logging, vulnerability remediation and release controls
Mentor engineers and communicate technical decisions, risks, tradeoffs and recommendations across product and DDI teams

Requirements

What you’ll need

9+ years of Application Development, including Technical Leadership
Expert hands-on C#/.NET and JavaScript/TypeScript experience, including React, APIs and cloud-native engineering
Advanced PostgreSQL/SQL, integration, AWS and automated-delivery experience
Medicaid, Medicare, MMIS/MES or regulated healthcare experience preferred
Willingness to work a flexible schedule to accommodate business needs and travel as required
Video cameras must be used during all interviews and during the initial week of orientation

Benefits

Comp & perks

Work flexibility
Learning and career development
Technical credentials and certifications
Generous, flexible vacation policy
Educational assistance
Leadership and technical development academies
401(k) employer match
Comprehensive health benefits
Opportunities to travel through your work (0-10%)