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