Sr. Full Stack Engineer

Sr. Full Stack EngineerLouisville, KentuckyContract to HireHybridDigital Experience$50.00 - $60.00/hrJob DescriptionSenior Full Stack EngineerBrooksource Fortune 50 Health Insurance ClientPosition OverviewWe are seeking a Senior Full Stack Engineer to help design, build, and enhance digital experiences that make it easier for members to access healthcare providers, understand their benefits and coverage, manage plans, and engage with personalized services.This role will contribute across the full technology stack, including web and mobile applications, APIs, backend services, cloud infrastructure, and data integrations. The ideal candidate is a strong hands-on engineer who can work independently, navigate evolving requirements, and partner effectively with product, architecture, and engineering teams.You will have the opportunity to work on modern digital platforms supporting personalized member experiences, including capabilities such as appointment reminders, member communications, provider search, benefits and coverage experiences, and other omnichannel digital solutions.Key ResponsibilitiesDesign, develop, test, deploy, and maintain scalable full-stack applications and services.Contribute to all layers of the technology stack, including frontend, backend, APIs, databases, integrations, and cloud environments.Build and enhance highly scalable web applications and mobile experiences used by members.Develop RESTful APIs and backend services that support digital and omnichannel experiences.Partner with product managers, UX teams, architects, data teams, and other engineers to translate business requirements into effective technical solutions.Participate in technical architecture and solution design discussions.Develop high-quality, maintainable, and secure code while following modern engineering practices.Review pull requests and provide constructive technical feedback.Troubleshoot complex application and production issues and drive problems through resolution.Identify opportunities to improve engineering processes, automation, application performance, and developer productivity.Mentor and support other engineers while contributing to a collaborative engineering culture.Stay current with emerging technologies and evaluate new frameworks, tools, and approaches where appropriate.Leverage AI-assisted development and code-generation tools to improve engineering productivity and solution delivery.Technology EnvironmentThe team works with a modern technology stack that may include:.NET / C# and/or Java / Spring BootJavaScript / TypeScript / Node.jsVue.js, React, or similar modern frontend frameworksReact Native and mobile application developmentAzure CloudRESTful APIs and microservicesJSON and client-server integrationsKubernetes, Docker, AKS, or similar container/orchestration technologiesInfrastructure and security as codeCI/CD and modern DevOps practicesAI-assisted development and emerging agentic/AI technologiesExperience with Adobe Experience Manager (AEM), Adobe Experience Platform (AEP), Adobe Journey Optimizer (AJO), personalization, or digital experience platforms is a plus.What You BringBachelor's degree in Computer Science, Engineering, Information Technology, or a related field.8+ years of progressive software engineering experience, preferably within large-scale enterprise environments.Strong hands-on experience developing full-stack applications and services.Strong proficiency in one or more modern programming languages, with.NET/C# or Java/Spring Boot highly valued.Experience developing scalable web applications using technologies such as Vue.js, React, or similar frameworks.Experience with RESTful web services, APIs, JSON, and client-server architecture.Experience with Azure or another major cloud provider.Experience with containerization and orchestration technologies such as Docker, Kubernetes, or AKS.Understanding of solution architecture, scalable application design, and backend architecture.Ability to work independently with incomplete or evolving requirements.Strong analytical, problem-solving, and communication skills.Demonstrated ability to collaborate with senior technical and business stakeholders.Experience with mobile application development, particularly React Native, is a plus.Experience with AI/agentic AI or AI-assisted coding tools such as GitHub Copilot or Claude is a plus.Experience with Adobe Experience Manager, Adobe Experience Platform, Adobe Journey Optimizer, or personalization technologies is a plus.Disclaimer: Brooksource, Medasource, and Calculated Hire are part of the Eight Eleven Group family of companies and operate under Eight Eleven Group, LLC. All employees receive the same benefits, policies, and terms of employment.EEO: We are committed to creating an inclusive environment for all employees and applicants. We do not discriminate on the basis of race, color, religion, creed, sex, sexual orientation, gender identity or expression, national origin, ancestry, age, disability, genetic information, marital status, military or veteran status, citizenship, pregnancy (including childbirth, lactation, and related conditions), or any other protected status in accordance with applicable federal, state, and local laws.Benefits & Perks: Brooksource offers competitive medical, dental, vision, Health Savings Account, Dependent Care FSA, and supplemental coverage with plans that can fit each employee's needs. We offer a 401k plan that includes a company match and is fully vested after you become eligible, paid time off, sick time, and paid company holidays. We also offer an Employee Assistance Program (EAP) that provides services like virtual counseling, financial services, legal services, life coaching, etc.Pay Disclaimer: The pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.