The Aspen Group (TAG) is one of the largest and most trusted retail healthcare business support organizations in the U.S. and has supported over 16,000 healthcare professionals and team members at more than 1,200 health and wellness offices across 46 states in four distinct categories: Dental care, urgent care, medical aesthetics, and animal health. Working in partnership with independent practice owners and clinicians, the team is united by a single purpose: to prove that healthcare can be better and smarter for everyone. TAG provides a comprehensive suite of centralized business support services that power the impact of five consumer-facing businesses: Aspen Dental, ClearChoice Dental Implant Centers, WellNow Urgent Care, Chapter Aesthetic Studio, and AZPetVet. Each brand has access to a deep community of experts, tools, and resources to grow its practices and an unwavering commitment to delivering high-quality consumer healthcare experiences at scale. Our continued growth has created an opportunity to join our IT Team as a Senior Software Engineer. **Job Description** As a Senior Software Engineer, you will join one of our teams focused on building websites for one or more of our brands. We're modernizing our tech stack, moving from various technologies to a common platform using React and headless CMS for content. Our backend teams have updated their code and are now building a GraphQL layer to modernize our RESTful APIs. Our platform engineering team has built a modern CI/CD pipeline with single-click deploys to our Kubernetes stack. These changes enable our teams to build up skills in A/B testing and more rapid experimentation for our brands. We also expect our teams to have a strong focus on quality, with our teams leveraging tools such as Cypress and Playwright. This role offers career growth to lead teams over time. The development team is based in Chicago, with a second team in Europe, and is expanding as we increasingly bring in-house and unify our tech stack for our brands. Our product, marketing, and UX teams are also in our new Chicago office. **Responsibilities** + Design, develop, and enhance websites built on a multi-tenant platform powered by Contentful CMS. + Build reusable, high-performance components and front-end libraries to streamline future development efforts. + Transform designs and wireframes into high-quality, scalable, and maintainable code. + Ensure code quality and optimal test coverage by implementing robust unit tests and addressing issues flagged by tools like SonarQube. + Collaborate with Product and QA teams to refine Acceptance Criteria, ensuring tasks are well-defined and actionable. + Bring innovative ideas to improve software development practices and processes. + Participate in peer code reviews and contribute to the continuous improvement of the CI/CD pipeline. + Mentor team members and engage in pair programming to uphold best practices and ensure quality deliverables. + Work closely with cross-functional and cross-domain teams to devise and implement effective engineering solutions. **Experience** + **Education:** Bachelor’s Degree in Computer Science or a related field with 5+ years of hands-on development experience. + **Technical Skills:** + Advanced proficiency in JavaScript. + Strong understanding of React.js and its core principles. + Familiarity with Next.js and TypeScript. + Experience with application state management concepts and libraries. + Proficiency in working with data structure libraries (e.g., Immutable.js). + Integration experience with RESTful and GraphQL APIs. + Knowledge of modern authorization mechanisms and security best practices. + **Toolchain Knowledge:** + Familiarity with modern front-end build pipelines and tools. + Experience working in environments with CI/CD practices.