Job Title: Sr. React Engineer
Location: Bethesda, MD - 4 days a week onsite
Must Have Requirements:
Strong proficiency in React and TypeScript
Hands-on experience building UIs for smart TVs, set-top boxes, or similar embedded devices
Familiarity with non-standard browsers (e.g., WebKit on TV platforms) and remote-control navigation patterns
Handling non-standard screen resolutions and display constraints
Understanding of content delivery and device management platforms
Proficiency with Cursor (AI-assisted development) for day-to-day coding workflows
Preferred Domain Experience:
Exposure to hospitality technology platforms or property management system integrations
Sr. React Engineer
If you want to help build thriving businesses and guide our clients from now to NEXT, keep reading to see how your ability to solve complex problems can make digital transformation a reality for clients.
Responsibilities:
Code the most complex pieces of the application. Whether it's a dynamic visualization, a tricky 3rd party integration, or a crazy animation sequence, you're up for the challenge and you'll take pride in the finished product.
Test your code, and help ensure that the right code is being tested across your project. You also help make sure that integration tests are running, and that everyone on the team tests before they push code (either manually or as part of a pre-commit hook).
Model the behavior and practices that you want to see in the organization. Want to follow TDD? Do it, and demonstrate the results to your team and clients. Itching to adopt a new tool or framework? Try it out and show the value.
Estimate or point your own work, and be able to sanity check estimations from more junior developers to make sure that they're setting themselves up for success
Requirements:
Bachelor's Degree in Computer Science, CIS, or related field
5+ years of experience in software development working for reputed organizations
Strong React/Redux expertise
• React.JS, Next.JS, MUI, Redux and Redux Saga.
Excellent knowledge of hand-coded HTML5, CSS3, JavaScript, and the DOM
Knowledge of JavaScript packages, package managers, bundlers, and their use in building complex interactive experiences
Familiarity with concepts related to data flow and component driven architectures (with practical experience based on React, Vue, Angular, or the like)
Experience using CSS grids and building responsive websites with scalability in mind
Experience leading small teams and mentoring junior developers
Understanding of SEO and accessibility issues and how they relate to development
Awareness of TCP/IP networking considerations, ability to optimize applications for a variety of device capabilities and network conditions
Solid understanding of browser rendering, and ability to fine-tune an experience
Must also follow sound engineering discipline - Unit Tests (SonarQube), well-structured code, correct use of patterns, DevOps Pipeline/Processes (experience using not building), API, etc.

Sr. React Engineer
3B Staffing LLC · Bethesda, MD, USA ·
- Job type:
- Full Time