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Junior React Developer Startup Jobs in Utah (NOW HIRING)

Atonom

Jr. Full-Stack Software Engineer

Provo, UT · On-site

  • Medical

  • PTO

Improve developer experience through testing strategies, build pipelines, documentation, and ... Strong understanding of JavaScript/TypeScript and a modern frontend framework (React, Vue, or ...

Atonom

Jr. Full-Stack Software Engineer

Provo, UT · On-site

  • Medical

  • PTO

Improve developer experience through testing strategies, build pipelines, documentation, and ... Strong understanding of JavaScript/TypeScript and a modern frontend framework (React, Vue, or ...

Atonom

Jr. Full-Stack Software Engineer

Provo, UT · On-site

$45K - $60K/yr

  • Medical

  • PTO

Improve developer experience through testing strategies, build pipelines, documentation, and ... Strong understanding of JavaScript/TypeScript and a modern frontend framework (React, Vue, or ...

Philo Ventures

Head of Engineering

Lehi, UT

  • PTO

Join us as we build out the software engineering team at Keysy. Keysy is a Utah-based startup ... startup environment * Familiarity with or ability to learn the existing tech stack: React ...

Tax Alli

Fullstack Ruby on Rails Developer

Salt Lake City, UT · On-site

$99K - $136K/yr

  • Medical

  • PTO

Bookly is a venture-backed, early stage fin-tech startup and we are scaling fast. This is an ... Experience with AngularJS or another front end framework (React, Ember, Knockout) * Experience ...

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Showing results 21-40

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Junior React Developer Startup information

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.

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 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 popular job titles related to Junior React Developer Startup jobs in Utah?

For Junior React Developer Startup jobs in Utah, the most frequently searched job titles are:

What job categories do people searching Junior React Developer Startup jobs in Utah look for?

The top searched job categories for Junior React Developer Startup jobs in Utah are:

What cities in Utah are hiring for Junior React Developer Startup jobs?

Cities in Utah with the most Junior React Developer Startup job openings:

Junior React Developer Startup jobs near you

Jr. Full-Stack Software Engineer

Atonom

Provo, UT • On-site

Full-time

Medical, PTO

Re-posted 4 days ago

Job description

About Atonom

At Atonom.ai, we are defining the Autonomous Era by building the world’s first true "Cloud Employees", intelligent AI agents capable of executing complex work across Sales, Marketing, Support, and HR. We believe that growth should be limited only by ambition, not headcount. By moving beyond simple automation to genuine autonomy, we empower businesses to scale their workforce instantly and efficiently. Join us as we build the infrastructure for the next generation of work, where human creativity pairs with limitless machine execution to achieve the impossible.

On-site only: This position is not remote. You must be able to work from our Provo, Utah office during normal business hours (Monday–Friday). Occasional evenings or weekends may be needed for critical launches and go-lives.

What you’ll do

  • Assist in the design, build, and scale production systems across the stack (frontend and backend) in order to power our AI conversation and workflow platform.
  • Assist with architecture for microservices and event-driven systems while setting patterns for reliability, performance, and observability.
  • Ship high-quality, secure features from spec to production, including API design, data modeling, code reviews, CI/CD, and instrumentation.
  • Collaborate with AI and Product teams to turn business problems into robust software that integrates prompts, automations, and guardrails.
  • Improve developer experience through testing strategies, build pipelines, documentation, and operational runbooks.
  • Partner with Customer Success during go-lives to ensure smooth deployments and capture learnings.

Who you are

  • 1+ years of professional software engineering experience building and shipping production systems at scale.
  • Strong understanding of JavaScript/TypeScript and a modern frontend framework (React, Vue, or similar) plus HTML/CSS and responsive design.
  • An understanding of  Go or Python (Go preferred) with a strong understanding of API design, concurrency, and performance tuning.
  • Some experience with PostgreSQL including indexing, query optimization, and migrations with a pragmatic approach to data modeling.
  • Strong communicator who can explain tradeoffs to both technical and non-technical stakeholders.
  • Comfortable with ambiguity and motivated to deliver outcomes in a startup environment.

Why join

  • Real ownership of systems with direct customer impact.
  • A tight-knit team where your ideas can ship quickly.
  • Hands-on AI product work that delivers measurable outcomes.
  • Mentorship, career growth, and a clear path toward Staff or Principal roles.

Benefits

  • Start building your PTO hours on day 1
  • Get access to a competitive health benefits package
  • Paid holidays and more