Senior Full Stack Software Engineer

BEL USA LLC

. Design and build modern eCommerce services within a scalable, secure, AI-driven platform .

Posted 9/29/2026full-timeRemote • Florida • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing and building scalable eCommerce services, with a strong focus on front-end development using React and back-end services with Node.js and TypeScript. Proficient in API design, database optimization, and maintaining high standards of code quality and security.

Highest-signal resume keywords

React DevelopmentNode.js DevelopmentTypeScript ProficiencyAPI Design and ImplementationSQL and NoSQL Database Optimization

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

ReactNode.jsTypeScriptSQLNoSQLAPI DesignMicroservicesData ModelingAsynchronous PatternsSecure Coding

Soft Skills

CollaborationProblem-SolvingCommunication

Tools & Technologies

React Testing LibraryPlaywrightLogging ToolsMetrics InstrumentationAlerting Systems

Industry Keywords

ECommerceSoftware EngineeringDevelopment LifecyclePerformance OptimizationSecurity Standards

Tech Stack

Tools & technologies

JavaScriptMicroservicesNode.jsNoSQLReactSQLTypeScript

About the role

Key responsibilities & impact

Design and build modern eCommerce services within a scalable, secure, AI-driven platform
Develop high-quality front-end interfaces using React or similar frameworks
Implement and maintain APIs, data models, microservices, and background workers
Design and optimize SQL/NoSQL schemas, queries, and overall data performance
Own the full development lifecycle, including design, coding, code reviews, testing, deployment, and documentation
Write clean, maintainable, well-tested code aligned with engineering standards
Instrument applications with logging, metrics, tracing, reliable alerting, and runbooks
Build with security, privacy, and performance in mind
Participate in on-call rotations and drive reliability improvements through post-incident reviews
Collaborate with Product, Design, Engineering leadership, and cross-functional teams
Contribute to engineering standards, developer tooling, and continuous improvement efforts

Requirements

What you’ll need

Bachelor’s degree in computer science or related field
Minimum of 5 years of professional software engineering experience, including ownership of production systems
Hands-on experience with Node.js, React, and TypeScript, including component architecture, state management, data-fetching patterns, forms, accessibility, profiling, and testing (e.g., React Testing Library, Playwright)
Experience designing and implementing APIs, asynchronous patterns, and scalable back-end services
Solid foundation in HTTP, caching, cookies, security headers/CSP, OAuth/OIDC, and secure coding
Strong experience with SQL and NoSQL database design, migrations, and performance optimization
Demonstrated ability to ship reliable, observable, maintainable software and collaborate with Product and Design teams
Only applicants authorized to work in the U.S. need apply
BEL USA does not sponsor applicants or employees for work authorization or permanent residence

Benefits

Comp & perks

Certified Great Place to Work and Top Workplace recognition
Career growth opportunities
People-first workplace culture