Full Stack Software Engineer

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

Job summary

Quantum Technologies. LLC is seeking a software engineer to develop and maintain a retail POS platform. You will contribute to frontend features in React.js, backend APIs in Node.js, and database changes in PostgreSQL.

In a fast-paced onboarding program, you will participate in backlog grooming with the Product Owner, support CI/CD releases on AWS, and ensure robust automated testing and production support. Strong communication and teamwork are essential.

Qualifications

• Proficient in building POS features with React.js and Node.js.

Responsibilities

• Build and enhance POS features using React.js and Node.js.
• Develop REST APIs and PostgreSQL schema changes.
• Diagnose defects with root-cause analysis and write unit tests.
• Write regression tests and participate in CI/CD releases on AWS.
• Support backlog planning with Product Owner and release schedules.
• Provide production support and issue resolution in a fast-paced environment.

Skills

React.js

Node.js

Data modeling

Query optimization

REST APIs

Automated testing

Git

Agile/Scrum

Production support

Strong communication

Tools

PostgreSQL

AWS

CI/CD

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Support a retail point-of-sale platform, delivering feature enhancements and defect fixes across the front end, APIs, and database during a fast-paced onboarding and knowledge-transfer program.

Key Responsibilities:

• Build and enhance POS features using React.js and Node.js.
• Develop REST APIs and PostgreSQL database changes.
• Diagnose and fix defects with root-cause analysis.
• Write unit and regression tests.
• Support CI/CD releases on AWS.
• Work with the Product Owner on backlog and release planning.

Required Skills:

• React.js
• Node.js
• PostgreSQL
• Data modeling
• Query optimization
• AWS
• REST APIs
• Automated testing
• CI/CD
• Git
• Agile/Scrum
• Production support experience
• Strong communication skills

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.