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Junior React Developer Startup Jobs in Missouri (NOW HIRING)

Interco

Junior Software Developer

Saint Louis, MO · On-site

$60K - $65K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Interco is seeking a talented Junior Software Developer with a strong background in JavaScript and React.js to contribute to an innovative Enterprise Resource Planning (ERP) project. In this role ...

Interco Trading

Junior Software Developer

Saint Louis, MO

$60K - $65K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Interco is seeking a talented Junior Software Developer with a strong background in JavaScript and React.js to contribute to an innovative Enterprise Resource Planning (ERP) project. In this role ...

Interco Trading

Junior Software Developer

Saint Louis, MO · On-site

$60K - $65K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Interco is seeking a talented Junior Software Developer with a strong background in JavaScript and React.js to contribute to an innovative Enterprise Resource Planning (ERP) project. In this role ...

Interco

Junior Software Developer

Saint Louis, MO

$60K - $65K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Interco is seeking a talented Junior Software Developer with a strong background in JavaScript and React.js to contribute to an innovative Enterprise Resource Planning (ERP) project. In this role ...

Stackruit Ltd.

Senior Full Stack Engineer

California, MO · On-site

$100 - $130/hr

  • Medical

  • Retirement

Collaborative and supportive work environment with a mix of startup culture and enterprise ... What you'll do: * Build and maintain scalable web applications using Node.js, React.js, and ...

Stellar IT Group

Software Engineer

Saint Louis, MO · On-site

The ideal candidate will bring deep expertise in React, .NET, and AWS, along with a proven track ... Mentor junior engineers and contribute to team growth through knowledge sharing and technical ...

Wipro Limited

Software Developer

O Fallon, MO · On-site

$60K - $135K/yr

  • Medical

  • Dental

  • PTO

... as Angular or React. * Participate in PoCs (Proof of Concept) and help the department with ... Mentor junior engineers and share your expertise. * Work in an agile environment, participating in ...

The Timberline Group

Senior Angular Developer

Saint Louis, MO · On-site +1

$53.25 - $65.25/hr

Mentoring and coaching of more junior team members * Work with GitHub as a source code repository ... React experience is a plus * SignalR / Websockets experience is a plus * Good communication using ...

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All JobsReact Developer Startup JobsJunior React Developer Startup JobsJunior React Developer Startup Jobs in Missouri

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 Missouri?

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

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

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

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

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

Junior React Developer Startup jobs near you

Fronted Developer (React)

Accord Technologies Inc.

Springfield, MO • On-site

$94K - $110K/yr

Contractor

Re-posted 9 days ago

Job description

Fronted Developer (React)
Springfield, MO
Position type: W2 contract
 
Responsibilities
Design, develop, test, release, and maintain new and existing web applications built with React
Collaborate with the product team to understand requirements and define solutions
Present low-level design or approach for the solution before development begins
Write reusable, maintainable, and scalable front-end code using best practices
Build high-performance, responsive, dynamic, and user-friendly web interfaces
Write readable, simple, and deterministic unit and integration tests
Collaborate with cross-functional teams including designers, back-end developers, and QA
Debug, troubleshoot, and optimize application performance across browsers and devices
Work in Agile teams and follow Agile development methodologies
Mentor junior developers and provide guidance on front-end best practices
 
Requirement:
Bachelor’s Degree in Computer Science, Engineering, or a related field
8+ years of experience in front-end development with React
6+ years of experience building scalable and resilient web applications at enterprise scale
Strong knowledge of state management tools like Redux and Redux Persist
Proficiency in testing frameworks such as Jest and React Testing Library
Experience with real-time monitoring and error tracking (e.g., Sentry, LogRocket)
Nice to Have
Experience working with leading front-end frameworks such as Angular, or Vue
Experience with cloud platforms such as AWS, Azure, or GCP
Familiarity with DevOps tools like Jenkins, Bitbucket Pipelines, GitHub Actions, etc.
Understanding of accessibility standards and cross-browser compatibility
Familiarity with third-party libraries, SDKs, and RESTful APIs
Experience with web analytics, performance monitoring, and logging tools
Proficiency with Git for version control
Strong analytical and problem-solving skills
Understanding of CDNs and performance optimization techniques
Good understanding of CI/CD pipelines and deployment workflows