Full Stack Developer - Web App

Confiz; Washington (District of Columbia); Hybrid; USD 130,000 - 170,000; Full time

Job summary

Confiz is seeking a Senior Full Stack Engineer to design, develop, and deliver scalable, secure, and high-performing web applications. You will own end-to-end delivery and work across front-end and back-end technologies in a collaborative, fast-paced environment.

The role emphasizes a 60% frontend (React) and 40% backend (Java/Spring Boot or Node.js). Onsite four days per week (Mon–Thu) with remote Fridays, aligning with product and UX teams for end-to-end solutions.

Qualifications

• Bachelor's degree or equivalent experience required.
• 5–8 years of full-stack development experience.
• Strong experience with React and JavaScript (ES6+).
• Backend experience with Java (Spring Boot) or Node.js.

Responsibilities

• Design, develop, and deliver scalable, secure web applications.
• Build scalable, reusable UI components using React.
• Develop robust backend services and APIs using Java, Node.js, or similar technologies.
• Work with product managers and UX designers to translate requirements into technical solutions.

Skills

React

JavaScript ES6+

HTML

CSS

TypeScript

Java

Node.js

AWS

Git

CI/CD

Automated testing

SQL/NoSQL databases

REST APIs

Agile/Scrum

Education

Bachelor's degree or equivalent experience

Tools

Git

CI/CD pipelines

AWS

Job description

One of Confiz’s largest retail clients is seeking 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.

Onsite presence of 4 days per week is expected Monday through Thursday, Remote Fridays

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

Bachelors or equivalent experience

~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

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

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

~ Solid understanding of cloud-native application development

Experience with TypeScript AND JAVA

js or modern frontend frameworks

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

Ability to balance speed with quality

Experience working in agile / Scrum environments

We have a global team of amazing individuals working on highly innovative enterprise projects & products. Our customer base includes Fortune 100 retail and CPG companies, leading store chains, fast growth fintech, and multiple Silicon Valley startups.