Full Stack Engineer / Mid-Level

Classification: ContractContract Length: 6 MonthsPosition SummaryThe 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. The ideal candidate will have experience modernizing legacy applications, designing scalable cloud-ready architectures, developing APIs and microservices, and building highly available enterprise solutions.ResponsibilitiesAnalyze 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.Requirements5-7+ 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 application-hosting services, Cloud SQL (PostgreSQL), Pub/Sub, Dataflow, or other integration services, Cloud Monitoring, Logging, and Operations SuiteIAM, security, and cloud governance best practicesExperience 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.