Sr. Full Stack Developer

Quantum Technologies. LLC; Woodlawn (MD); On-site; USD 90,000 - 130,000; Full time

Job summary

Quantum Technologies. LLC is seeking a skilled full-stack developer to design, build, and optimize enterprise web applications using React.js, Redux, and Node.js. You'll create scalable RESTful APIs with Express.js, work with PostgreSQL, and mentor junior developers within an Agile team.

You will tackle frontend and backend challenges, optimize performance, and contribute to data modeling, testing, and CI/CD practices in a dynamic environment.

Qualifications

• Proven full-stack experience with React.js and Node.js.
• Hands-on with Express, Redux, and RESTful APIs.
• Strong understanding of frontend UI frameworks and backend architecture.
• Solid JavaScript/TypeScript, HTML, CSS, and Bootstrap skills.
• Strong PostgreSQL skills including complex SQL and optimization.
• Experience with Agile methods: Scrum, Kanban, TDD, and BDD.

Responsibilities

• Design, develop, and implement enterprise web apps using React.js, Redux, Node.js.
• Build scalable RESTful APIs and microservices with Express.js and Knex.
• Develop modular SPAs and ensure code quality through best practices.
• Troubleshoot across frontend, backend, middleware, and database layers.
• Collaborate with teams and mentor junior developers.

Skills

Full-stack development

React.js

Node.js

Redux

RESTful APIs

Frontend UI frameworks

JavaScript/TypeScript

HTML/CSS/Bootstrap

PostgreSQL/SQL

Agile methodologies (Scrum/Kanban/TDD/

Tools

Jenkins

Docker

OpenShift

CI/CD

AWS

Redis

SOLR

NGINX

ElastiCache

Git/Bitbucket/SonarQube

Job description

Job Description

• Design, develop, and implement enterprise web applications using React.js, Redux, and Node.js.
• Build scalable RESTful APIs and microservices using Express.js and Knex.
• Develop modular Single Page Applications (SPAs).
• Troubleshoot and resolve issues across frontend, backend, middleware, and database layers.
• Work with PostgreSQL, PL/SQL, and data modeling.
• Collaborate with development teams and mentor junior developers.
• Follow software engineering best practices and ensure code quality.

Key Required Skills

• Strong full-stack development experience with Node.js and React.js.
• Hands-on experience with React.js, Express.js, Redux, and RESTful APIs.
• Strong understanding of frontend UI frameworks and backend architecture.
• Experience with JavaScript, TypeScript, HTML, CSS, and Bootstrap.
• Strong PostgreSQL skills, including complex SQL queries and query optimization.
• Experience with Agile methodologies, Scrum, Kanban, TDD, and BDD.

Desired Skills

• Experience with Jenkins, Docker, Red Hat OpenShift, and CI/CD.
• Knowledge of AWS and DevOps practices.
• Experience with Redis, SOLR, NGINX, and ElastiCache.
• Familiarity with Jest, Mocha, Chai, Selenium, and other testing tools.
• Experience with Git, Bitbucket, SonarQube, and performance tuning.
• Knowledge of Section 508, WCAG, and web accessibility standards.
• Experience using AI tools for code generation and development productivity.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.