Senior Full Stack Engineer

Senior Full Stack Engineer

Washington, Seattle ( Onsite)

W2

We are looking for a highly skilled Senior Full Stack Engineer to design, develop, and deliver scalable, secure, and high-performing web applications. The ideal candidate has strong expertise across front-end and back-end technologies, enjoys end-to-end ownership, and thrives in collaborative, fast-paced environments.



Key Responsibilities



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

Required ualifications



5 8 years of experience in full-stack software development

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 working with relational and/or NoSQL databases (PostgreSQL, DynamoDB, etc.)

Familiarity with authentication, authorization, and security best practices

Experience with Git, CI/CD pipelines, and automated testing

Solid understanding of cloud-native application development

Preferred Qualifications



Experience with TypeScript

Exposure to Next.js or modern frontend frameworks

Experience with AWS (EC2, ECS/EKS, Lambda, RDS, DynamoDB, S3)

Familiarity with containerization (Docker, Kubernetes)

Experience with event-driven architectures (Kafka, SNS/SQS)

Background in retail, POS, or enterprise systems

Soft Skills



Strong ownership mindset and accountability

Excellent communication and collaboration skills

Ability to balance speed with quality

Experience working in agile / Scrum environments

Passion for learning and improving engineering practice