Senior Full-Stack Engineer — POS Systems (Seattle Hybrid)

Confiz Limited; Seattle, Northern (WA, KY); Hybrid; USD 120,000 - 170,000; Full time

Job summary

Confiz Limited in Seattle is seeking an experienced full-stack engineer to develop and scale a modern POS system. You will work across a distributed system, delivering frontend web applications with React.js and backend microservices in Java/Spring Boot, deployed on AWS with Kubernetes.

The role is hybrid in Seattle with onsite four days a week (Mon–Thu) and remote Fridays, working 9:00 am–6:00 pm PT. You will mentor junior engineers and collaborate closely with product owners to drive value.

Qualifications

• Strong knowledge of Java 8+ and Spring Boot, React.js, JavaScript/TypeScript, and CSS.
• Proficiency with Docker, Kubernetes, and Git.
• Experience with API development, API Gateway & load balancer configurations, and microservice patterns.
• Experience with AWS services (RDS, ECS, EKS, DynamoDB).
• Strong understanding of AWS multi-region architectures for HA and DR.

Responsibilities

• Backend Development: design, develop, and maintain RESTful microservices using Java 8+ and Spring Boot, deployed to Kubernetes in the cloud.
• Frontend Development: build responsive web applications using React.js, JavaScript/TypeScript, and CSS for POS experience.
• AWS Multi-Region Deployment: architect solutions leveraging AWS multi-region capabilities for high availability and DR.
• System Thinking: ensure production readiness with maintainability and testability.
• Design and Prototyping: lead design and prototyping of solutions and define team standards.
• Telemetry and Monitoring: implement monitoring to detect issues before customer impact.
• Collaboration: work with cross-functional teams, mentor engineers, drive continuous improvement.
• Delivery and Quality: deliver valuable features and address architectural deficiencies.

Skills

Java 8+ / Spring Boot

React.js / TypeScript

AWS multi-region

API development

Docker / Kubernetes

Git

Mentoring juniors

Tools

Docker

Kubernetes

Git

Terraform

Job description

Confiz Limited in Seattle is seeking an experienced full-stack engineer to develop and scale a modern POS system. You will work across a distributed system, delivering frontend web applications with React.js and backend microservices in Java/Spring Boot, deployed on AWS with Kubernetes.

The role is hybrid in Seattle with onsite four days a week (Mon–Thu) and remote Fridays, working 9:00 am–6:00 pm PT. You will mentor junior engineers and collaborate closely with product owners to drive value.