Five Below is seeking a Senior Full-Stack Developer to drive the design, development, and delivery of their digital commerce platform, leveraging MACH architecture to build scalable, performant, and reliable systems.
Requirements
- Strong experience with Spring Boot services on AWS; proven ability to design and build backend microservices.
- Proficiency in frontend frameworks (React / Next.js or similar) and deploying with Netlify (or equivalent static / headless / CDN setup).
- Solid experience in MACH / headless commerce architecture; experience integrating with Commercetools or similar.
- Hands-on experience with performance / load testing, observability, monitoring, and production troubleshooting.
- Depth in API design and versioning, service reliability, data persistence, caching, and error handling.
- Familiarity with CI/CD tooling, test environment setup, version control, deployment automation.
- Excellent code quality practices: tests, code reviews, maintainable architecture.
Responsibilities
- Architect, build, maintain, and deliver full-stack features: from UI/UX front-end through backend microservices.
- Design, document, version, and evolve APIs; ensure backward compatibility and smooth integration with the commerce platform.
- Optimize front-end performance (build times, bundle sizes), ensure SEO readiness, accessible, responsive / mobile user experience.
- Develop scalable backend services on AWS: data modeling, caching, scaling, fault tolerance, observability.
- Own and improve CI/CD pipelines, deploy processes, versioning, and test environments.
- Implement monitoring, logging, tracing, metrics, and alerting across the stack; perform performance / load testing; identify and resolve bottlenecks.
- Ensure code quality with unit, integration, end-to-end tests; maintain high test coverage; conduct code reviews.
Other
- Strong leadership / mentorship skills; ability to contribute to architectural decisions and own features end-to-end.
- Good communication skills; ability to articulate trade-offs, collaborate across teams.
- Retail / Ecommerce experience is a must.
- Highest level of personal integrity, and the ability to professionally manage confidential matters and exude the appropriate level of judgment and maturity.
- Exceptionally self-motivated and directed.
