Senior Full-Stack Engineer: Build Scalable, Secure Web Apps

TekWissen LLC; Seattle (WA); On-site; USD 140,000 - 190,000; Full time

Job summary

TekWissen is seeking a highly skilled Senior Full Stack Engineer to design, develop, and deliver scalable, secure, high-performing web applications. The ideal candidate will own end-to-end development with front-end and back-end expertise across React, Java Spring Boot, and Node.js.

You will build reusable UI components, design robust backend services, and ensure performance, security, and reliability in a fast-paced, collaborative environment.

Qualifications

• 5-8 years of full-stack software development experience.
• 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

• Design, develop, and maintain end-to-end web applications.
• Build scalable, reusable UI components using React.
• Develop robust backend services and APIs using Java, Node.js, or similar.
• Design and integrate RESTful APIs and backend services.
• Collaborate with product managers, UX designers; translate requirements into technical solutions.
• Ensure performance, security, scalability, and reliability.
• Participate in architecture and design discussions; contribute to technical decisions.
• Write clean, maintainable, well-tested code; uphold engineering standards.
• Review code, mentor junior engineers, and support production releases and on-call rotations.

Skills

React

Java Spring Boot

Node.js

REST APIs

Microservices

Cloud-native

PostgreSQL/DynamoDB

Git/CI-CD/Testing

Docker/Kubernetes

Tools

Git

CI/CD pipelines

Docker

Kubernetes

AWS

Job description

TekWissen is seeking a highly skilled Senior Full Stack Engineer to design, develop, and deliver scalable, secure, high-performing web applications. The ideal candidate will own end-to-end development with front-end and back-end expertise across React, Java Spring Boot, and Node.js.

You will build reusable UI components, design robust backend services, and ensure performance, security, and reliability in a fast-paced, collaborative environment.