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Junior React Developer Startup Jobs (NOW HIRING)

Photon

React Developer - Plano, TX

Dallas, TX · On-site

$102K - $119K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Mentor and guide junior and mid-level developers * Promote best practices in front-end architecture ... Proficiency in testing frameworks such as Jest and React Testing Library * Solid understanding of ...

Photon

React Developer - Plano, TX

Dallas, TX · On-site

$102K - $119K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Mentor and guide junior and mid-level developers * Promote best practices in front-end architecture ... Proficiency in testing frameworks such as Jest and React Testing Library * Solid understanding of ...

Photon

React Developer - Plano, TX

Dallas, TX · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Mentor junior developers and provide guidance on front-end best practices Requirements * Bachelor ... Proficiency in testing frameworks such as Jest and React Testing Library * Experience integrating ...

Photon

React Developer - Plano, TX

Dallas, TX

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Mentor junior developers and provide guidance on front-end best practices Requirements * Bachelor ... Proficiency in testing frameworks such as Jest and React Testing Library * Experience integrating ...

Photon

Sr React Developer- New York

Manhattan, NY · On-site +1

$126K - $165K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Experience mentoring junior developers and leading frontend initiatives. * React, JavaScript, or cloud-related certifications. Compensation, Benefits and Duration Minimum Compensation: USD 40,000 ...

Photon

React Developer - Plano, TX

Dallas, TX · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Mentor junior developers and provide guidance on front-end best practices Requirements * Bachelor ... Proficiency in testing frameworks such as Jest and React Testing Library * Experience integrating ...

Photon

Sr React Developer- New York

Manhattan, NY · On-site

$126K - $165K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Experience mentoring junior developers and leading frontend initiatives. * React, JavaScript, or cloud-related certifications. Compensation, Benefits and Duration Minimum Compensation: USD 40,000 ...

Photon

React Developer - Plano, TX

Dallas, TX · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Mentor junior developers and provide guidance on front-end best practices Requirements * Bachelor ... Proficiency in testing frameworks such as Jest and React Testing Library * Experience integrating ...

Anagh Technologies, Inc.

Front End React Developer

$106K - $123K/yr

Participate in code reviews, team training and mentorship of junior and mid-level developers. * Assisting QA and DevOps in QA efforts and maintenance of the development environments. * Actively ...

Anagh Technologies, Inc.

Principal React Engineer

Chicago, IL · On-site

$139K - $186K/yr

Mentoring of Junior Engineers Required Skills and Abilities: * 5 to 10 years of Frontend Web experience building web applications * 5+ years of experience with React/Redux, webpack and Node.js * Have ...

LTM

Sr. React UI Developer (Tampa, FL/ Irving, TX)

Tampa, FL · On-site

$54.50 - $70.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Job Title: Sr. React UI Developer Work Location: Tampa, FL/ Irving, TX This document outlines the ... Mentor junior and midlevel developers and conduct advanced code reviews to maintain and elevate ...

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Showing results 21-40

All JobsReact Developer Startup JobsJunior React Developer Startup Jobs

Junior React Developer Startup information

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$89K

$137.5K

How much do junior react developer startup jobs pay per year?

As of Aug 14, 2026, the average yearly pay for junior react developer startup in the United States is $88,976.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,000.00 and $87,000.00 per year, depending on experience, location, and employer.

What is the difference between Junior React Developer Startup vs Junior Front-End Developer?

AspectJunior React Developer StartupJunior Front-End Developer
Required SkillsReact.js, JavaScript, HTML, CSSHTML, CSS, JavaScript, basic frameworks
Work EnvironmentStartups, agile teams, fast-pacedVarious industries, corporate or agency settings
CertificationsBasic web development certifications, React coursesWeb development certifications, HTML/CSS courses
Industry UsageTech startups, SaaS companiesMedia, marketing, corporate firms

Junior React Developer Startup focuses specifically on React.js skills within startup environments, emphasizing JavaScript and modern frameworks. In contrast, Junior Front-End Developer is a broader role covering general front-end skills across various industries. Both roles require foundational web development knowledge, but the React Developer position is more specialized and often found in tech-driven startups.

What are some common challenges faced by junior React developers in a startup environment?

Junior React Developers in startups often encounter fast-paced work environments where priorities can shift quickly, requiring adaptability and a willingness to learn on the job. Collaboration is key, as you’ll likely work closely with designers, backend developers, and product managers to rapidly build and iterate on features. Limited resources and smaller teams mean you may take on a broader range of tasks than in larger companies, which can accelerate your learning but also present challenges in managing workloads. It's important to communicate proactively, seek feedback, and take initiative to overcome obstacles and grow your skills.

What are the key skills and qualifications needed to thrive as a junior React developer at a startup, and why are they important?

To thrive as a Junior React Developer at a startup, you need a solid understanding of JavaScript, React.js fundamentals, and basic web development concepts, typically supported by a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, package managers (npm/yarn), and basic knowledge of RESTful APIs are usually expected. Proactive communication, eagerness to learn, and adaptability help you stand out in the fast-paced and collaborative startup environment. These skills are crucial for contributing effectively to dynamic projects, rapidly acquiring new technologies, and supporting the team’s growth.

What does a junior React developer do at a startup?

A Junior React Developer at a startup is responsible for building and maintaining user interfaces using the React JavaScript library. They typically work closely with designers and other developers to implement features, fix bugs, and ensure the application's front-end is responsive and user-friendly. In a startup environment, they may also have opportunities to contribute ideas, learn new technologies, and take on additional responsibilities as the company grows.
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Junior React Developer Startup jobs near you
Infographic showing various Junior React Developer Startup job openings in the United States as of August 2026, with employment types broken down into 80% Full Time, 3% Part Time, and 17% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $88,976 per year, or $42.8 per hour.

Senior Frontend React Developer/Cybersecurity/Atlanta Local

Motion Recruitment Partners, LLC

Atlanta, GA • On-site

$110K - $145K/yr

Other

Medical, Dental, Vision, PTO

Posted 11 days ago

Job description

Our client is hiring a Full Stack Engineer for a full-time, permanent role focused primarily on frontend development. Our client is an AI cybersecurity startup building the first multi agent LLM-based autonomous SOC platform. The core tech stack is React and Material UI on the frontend, with backend contributions to support the UI experience, all built with security and performance as first class requirements.
This is a rare chance to build meaningful product at the cutting edge of AI and cybersecurity, two of the most consequential spaces in tech right now. You'll own real frontend architecture decisions: setting standards, selecting frameworks, building reusable component libraries, and driving UX initiatives in collaboration with the design team. You'll also get to mentor junior engineers and put the latest AI tooling to work to move faster. If you want your code to matter in a product used by security teams protecting real organizations, this is the opportunity.
Required Skills & Experience
  • Proven experience architecting and implementing scalable React applications
  • Expert-level proficiency with Material UI component library
  • Experience establishing frontend development standards, review processes, and reusable component/design systems
  • Ability to drive frontend architecture and tooling decisions and mentor junior engineers
  • Experience collaborating with backend teams to design and consume APIs
  • Comfort working with and leveraging AI tooling to accelerate development velocity
Desired Skills & Experience
  • Experience with data visualization libraries for React
  • Contributions to open-source UI projects
  • Experience with micro-frontend architectures
  • Background in UX design principles
What You Will Be Doing
Tech Breakdown
  • ~80% Frontend (React, Material UI, HTML/CSS)
  • ~20% Backend (API design and integration to support frontend experience)
Daily Responsibilities
  • ~50% Feature development and component architecture
  • ~25% UI/UX collaboration, prototyping, and design system work
  • ~25% Code review, standards enforcement, backend API collaboration, and mentorship

The Offer
  • Bonus OR Commission eligible
You will receive the following benefits:
  • Medical, Dental, and Vision Insurance
  • Vacation Time
  • Stock Options

Applicants must be currently authorized to work in the US on a full-time basis now and in the future.

Apply