Senior Software Developer — Web Engineering Team | Hopper Program
Onsite - Overland Park, KS
Senior Software Developer - Svelte and SvelteKit and igital experiences using Sanity CMS and headless architecture principles.
modern JavaScript application development experience
Svelte and SvelteKit
We are seeking a highly skilled Senior Software Developer to join the Web Engineering team supporting the Hopper Program, a strategic initiative focused on modernizing a digital customer experience platform. In this role, you will design, develop, and deploy scalable, high-performing web applications using modern front-end technologies, headless CMS solutions, and cloud-native development practices. You will collaborate closely with architects, product owners, UX teams, and platform engineers to deliver enterprise-scale, customer-facing digital experiences.
Responsibilities
- Design and develop responsive, scalable, and high-performing web applications using Svelte and SvelteKit.
- Build and maintain content-driven digital experiences using Sanity CMS and headless architecture principles.
- Collaborate with Product, UX, Architecture, Platform, and DevOps teams to deliver customer-facing features and enhancements.
- Develop reusable UI components, front-end frameworks, and design system integrations that support consistency and scalability.
- Integrate applications with internal and external APIs, microservices, authentication platforms, and customer data services.
- Champion code quality through peer reviews, automated testing, CI/CD pipelines, and engineering best practices.
- Optimize applications for performance, accessibility, SEO, security, responsiveness, and scalability.
- Participate actively in Agile ceremonies, including sprint planning, backlog refinement, design reviews, and retrospectives.
- Mentor junior developers and contribute to engineering standards, technical decisions, and continuous improvement.
- Support production deployments, troubleshooting, issue resolution, and ongoing platform enhancements.
- Partner with platform and DevOps teams to enable reliable delivery through automated deployment pipelines.
Qualifications
- 7+ years of software development experience.
- 3+ years of modern JavaScript application development experience.
- Strong hands-on experience with:
- Svelte and SvelteKit
- TypeScript
- HTML5, CSS3, and SCSS
- REST APIs and GraphQL
- Git and modern source control practices
- Hands-on experience with:
- Sanity CMS
- Headless CMS architectures
- Component-based UI development
- Responsive web design
- Client-side performance optimization
- Experience building applications deployed in cloud environments such as AWS, Azure, or Google Cloud Platform.
- Familiarity with CI/CD pipelines and DevOps practices.
- Strong knowledge of web accessibility standards, including WCAG, and SEO best practices.
- Test-driven and quality-focused development mindset.
- Experience with automated testing frameworks such as Playwright, Cypress, Jest, or Vitest.
- Experience working in Agile/Scrum delivery teams.
- Strong debugging, troubleshooting, and performance tuning capabilities.
Preferred Qualifications
- Experience supporting large-scale consumer digital platforms.
- Telecommunications or eCommerce industry experience.
- Experience migrating from traditional CMS platforms to headless architectures.
- Knowledge of Adobe Experience Manager, AEM, migration strategies.
- Experience with design systems and reusable component libraries.
- Familiarity with AI-assisted development tools such as GitHub Copilot or Cursor.
- Cloud-native application architecture experience.
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