Full Stack Engineer / Mid-Level

Contract: 6 months

About the role

The Full Stack Engineer – Mid Level will be part of the team in Nashville, TN. We are seeking a Mid‑Level Full Stack Engineer with expertise in .NET, Vue.js, PostgreSQL, and Google Cloud Platform (GCP) to lead the modernization and cloud transformation of a critical enterprise application portfolio. The current legacy ASP/.NET‑based application supports approximately 180+ facilities and is being expanded to support over 2,000+ additional PSC facilities. To meet the increased scale, performance, security, and operational requirements, the application must be re‑architected and rewritten as a cloud‑native solution leveraging modern technologies and GCP services.

Responsibilities

• Analyze existing legacy ASP/.NET applications and participate in defining modernization and migration strategies.
• Design, develop, and maintain scalable backend services using C#/.NET Core/.NET 8+.
• Re‑architect monolithic applications into modern, cloud‑native solutions capable of supporting thousands of facilities and users.
• Design and develop RESTful APIs, microservices, and event‑driven integrations.
• Build and enhance modern, responsive user interfaces using Vue.js, JavaScript, HTML, and CSS.
• Design and implement scalable data models and optimize database performance using PostgreSQL.
• Develop and deploy applications on Google Cloud Platform (GCP) leveraging cloud‑native services and best practices.
• Implement CI/CD pipelines, automated testing, and infrastructure automation to improve deployment efficiency and reliability.
• Optimize application performance, security, monitoring, and observability for enterprise‑scale workloads.
• Collaborate with Product Owners, Architects, Technical Leads, and business stakeholders to deliver solutions aligned with strategic business objectives.
• Participate in code reviews, technical design sessions, troubleshooting, and production support activities.

Requirements

• 5‑7+ years of experience in software application development.
• Strong expertise in C#, ASP.NET Core, and .NET Framework/.NET Core modernization efforts.
• Experience migrating or modernizing legacy applications to cloud‑native architectures.
• Experience developing REST APIs, microservices, and distributed applications.
• Strong experience with Vue.js, JavaScript, HTML, and CSS.
• Experience with PostgreSQL database development, data modeling, query optimization, and performance tuning.
• Hands‑on experience with Google Cloud Platform (GCP), including Cloud Run, App Engine, GKE (or similar), Cloud SQL (PostgreSQL), Pub/Sub, Dataflow, Cloud Monitoring, Logging, Operations Suite, IAM, security, and cloud governance best practices.
• Experience with Git, CI/CD pipelines, and DevOps practices.
• Strong analytical, troubleshooting, and problem‑solving skills.
• Excellent communication and collaboration skills.
• Experience supporting healthcare applications and large‑scale facility operations.
• Experience with application modernization, domain‑driven design, and microservice architecture patterns.
• Knowledge of containerization technologies such as Docker and Kubernetes.
• Experience with infrastructure‑as‑code tools such as Terraform.
• Familiarity with HL7/FHIR integrations and healthcare interoperability standards.
• Experience designing highly available, scalable systems supporting thousands of users and facilities.