Full-Stack Software Engineer (US Citizenship Required)

Company Description

LARC Staffing, LLC, with years of experience in high-tech recruiting, has a passion for sourcing, recruiting, and matching people with companies everywhere.  The clients I hire for are some of the best in the world at what they do.  I am honored to work with them and with the people who help make them so successful!

This client is the industry leading expert in global inventory, data collection and technology innovation

Job Description

We’re looking for a principal/lead Full-Stack Engineer who lives and breathes modern front-end frameworks (React, Angular) and can own the end-to-end user experience while confidently building robust backend services. You’ll design pixel-perfect, performant UIs, architect component systems, and connect them to scalable APIs — all in a fast-moving, collaborative environment.

Key Responsibilities:

Front-End (70%+ focus)

• Build complex, responsive SPAs using React (hooks, TypeScript, Redux Toolkit) or Angular (standalone components, signals, RxJS).
• Lead UI architecture: component libraries, design systems, state management, accessibility (a11y), and performance.
• Implement advanced patterns: lazy loading, code splitting, SSR (Next.js/Nuxt), PWAs, micro-frontends.
• Collaborate with UX/UI designers via Figma → clean, reusable code.
• Own testing: Jest, React Testing Library, Cypress, Playwright.
• Optimize Core Web Vitals (LCP, CLS, FID) and bundle size.

Back-End & Full-Stack

• Design and maintain REST APIs (.NET).
• Write clean, typed services in C#.
• Manage data layers: SQL (Azure SQL), caching (Redis).
• Deploy via CI/CD, Docker, and cloud platforms (AWS, GCP, Azure).

Cross-Functional

• Ship features from concept to production.
• Participate in code reviews, architecture discussions, and on-call rotation.
• Mentor junior engineers on front-end best practices.

Qualifications

Must-Have:

• Front-End
• React or Angular (5+ years), TypeScript, HTML5, CSS3 (Flexbox, Grid, Tailwind/PostCSS)
• Build & Tooling
• Webpack / Vite / Angular CLI, ESLint, Prettier, Git
• Back-End
• C#/.NET
• Databases
• AzureSQL, PostgreSQL or MySQL + basic ORM (Entity Framework)
• Cloud & DevOps
• Docker, CI/CD (GitHub Actions, Jenkins), AWS/GCP/Azure basics

Preferred Qualifications:

• Built a design system or component library (Storybook).
• Led migration from AngularJS → Angular or class components → hooks.
• Experience with Next.js, Nuxt, or Angular Universal (SSR).
• Contributed to open-source UI libraries.
• Familiar with WebSockets, Server-Sent Events, or real-time UIs (Socket.io, SignalR).
• Certifications: AWS, React, Angular (nice to have).

Who You Are: 

• You obsess over UX details but ship fast.
• You write components once, reuse everywhere.
• You can explain React reconciliation or Angular change detection in plain English.
• You’ve debugged a memory leak in a 100-component tree at 2 AM.
• You value clean code, tests, and user empathy.
• local to Plano, TX is preferred, but remote in the USA will be considered
• 12-month 1099 contract to start, with an option to convert after 6 months
• Must be a U.S. citizen or permanent resident; sponsorship is unavailable
• available EST/CST working hours
• possess strong communication skills and an ownership mentality

Additional Information

LARC Staffing, LLC is an Equal Opportunity / Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity and expression, national origin, disability, or protected veteran status.

Our Equal Employment Opportunity Policy

Please note this job posting is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice. Client provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training. U.S. Export Controls Requirements: This job may require access to technology, materials, software or hardware that is controlled by the export laws of the United States. Candidates are required to provide proof of either US citizenship, Permanent US residency or classification as a protected individual as defined in 8 USC 1324b (a) (3). This position is not eligible for immigration sponsorship.

Equal Opportunity Employer/Veterans/Disabled. Shareholder Preference in accordance with Public Law 88-352