Senior Full-Stack Engineer: Build Scalable Web Apps (Hybrid, Seattle)

Confiz; Seattle (WA); Hybrid; USD 140,000 - 190,000; Full time

Benefits offered by this job

Hybrid work model

Onsite 4 days/week in Seattle

Job summary

Confiz is seeking a Senior Full Stack Engineer in Seattle for a hybrid role combining front-end and back-end development. You will design, develop, and deliver scalable web applications with React on the front end and Java/Node.js on the back end, building robust APIs and services in a fast-paced collaborative environment.

You will collaborate with product managers and UX designers to translate requirements into technical solutions, ensuring performance, security, and reliability while

Qualifications

• 5-8 years of full-stack software development experience.
• Strong experience with React, JavaScript (ES6+), HTML, CSS.
• Backend experience with Java (Spring Boot) or Node.js.
• Strong understanding of REST APIs, microservices, and distributed systems.
• Experience with relational and/or NoSQL databases (PostgreSQL, DynamoDB).
• Familiarity with authentication, authorization, and security best practices.
• Experience with Git, CI/CD pipelines, and automated testing.
• Solid understanding of cloud-native application development.

Responsibilities

• Fullstack: Front End 60% and 40% Backend
• Design, develop, and maintain end-to-end web applications using modern front-end and back-end technologies
• Build scalable, reusable UI components using React
• Develop robust backend services and APIs using Java, Node.js, or similar technologies
• Design and integrate RESTful APIs and backend services
• Work closely with product managers, UX designers, and translate requirements into technical solutions
• Ensure application performance, security, scalability, and reliability
• Participate in architecture and design discussions; contribute to technical decisions
• Write clean, maintainable, well-tested code following best practices
• Review code, mentor junior engineers, and uphold engineering standards
• Support production releases, troubleshooting, and on-call rotations as needed

Skills

React

JavaScript (ES6+)

HTML/CSS

Java

Spring Boot

Node.js

REST APIs

Microservices

Databases (PostgreSQL/DynamoDB)

CI/CD

Git

Cloud-native

Security best practices

Education

Bachelor's degree or equivalent experience

Tools

Docker

Kubernetes

AWS

Next.js

Job description

Confiz is seeking a Senior Full Stack Engineer in Seattle for a hybrid role combining front-end and back-end development. You will design, develop, and deliver scalable web applications with React on the front end and Java/Node.js on the back end, building robust APIs and services in a fast-paced collaborative environment.

You will collaborate with product managers and UX designers to translate requirements into technical solutions, ensuring performance, security, and reliability while