1

Junior React Developer Startup Jobs in Florida (NOW HIRING)

Junior Developer

Tampa, FL · On-site

$60K - $70K/yr

Junior Developer Department: IT FLSA Classification: Exempt Reports To: Director of IT ROLE SUMMARY ... React, Next.js, Node.js) and testing activities, making sure operations are running efficiently.

Data Science and Data Engineering Job Qualifications: Skills: Analytics, Datasource, Data ... HTML, CSS, JavaScript, React, plus backend exposure to Django or ASP.NET Core. * Experience with ...

next page

Showing results 1-20

Junior React Developer Startup information

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.
What cities in Florida are hiring for Junior React Developer Startup jobs? Cities in Florida with the most Junior React Developer Startup job openings:
Consultant | Reactive Programming | react JS

Consultant | Reactive Programming | react JS

Spruce Infotech

Boca Raton, FL • On-site

Full-time

Posted 2 days ago


Job description

Work Location & Reporting Address Boca Raton, FL 33432 **Onsite**
Vendor Rate XXX/Hr.
Contract duration 12
Target Start Date 17 Jun 2026
Role Summary
We are looking for a Senior React Native Developer with 6+ years of hands-on mobile application development experience to design, build, optimize, and maintain scalable cross-platform mobile applications for iOS and Android. The ideal candidate should have strong expertise in React Native, JavaScript/TypeScript, mobile performance optimization, state management, API integration, cloud services, native modules, and CI/CD automation.
Key Responsibilities
• Develop, enhance, and maintain high-quality cross-platform mobile applications using React Native for iOS and Android platforms.
• Build reusable, responsive, and performance-optimized mobile UI components using React Native, React.js, React Navigation, Flexbox, and mobile-first design principles.
• Implement and manage application state using Redux Toolkit, Redux Saga, Zustand, Context API, and Redux Persist.
• Integrate mobile applications with RESTful APIs and GraphQL services, ensuring reliable data flow, error handling, and optimized network performance.
• Work on mobile performance tuning, including reducing re-renders, improving startup time, optimizing screen rendering, lazy loading, and battery usage improvement.
• Develop and integrate custom native modules using Kotlin/Java for Android and Swift/SwiftUI for iOS, including support for modern React Native architecture concepts such as Turbo Modules and JSI.
• Implement mobile backend and cloud integrations using Firebase, AWS services, serverless APIs, push notifications, analytics, crash reporting, and cloud messaging.
• Configure and maintain CI/CD pipelines for mobile build, test, and deployment automation using GitHub Actions, Fastlane, Azure Pipelines, Expo/EAS, and GitHub Secrets.
• Perform debugging, crash analysis, code reviews, unit testing, integration testing, and end-to-end testing using tools such as Crashlytics, Jest, Detox, and Cypress.
• Collaborate with product, design, backend, QA, DevOps, and architecture teams in an Agile environment to deliver secure, scalable, and user-friendly mobile solutions.
Required Skills
• 6+ years of experience in mobile application development with strong expertise in React Native.
• Strong proficiency in JavaScript, TypeScript, JSX, React.js, React Native, Redux Toolkit, Zustand, Context API, and React Navigation.
• Hands-on experience with iOS and Android development, including Android Studio, Xcode, Kotlin, Swift, SwiftUI, and Jetpack/Jetpack Compose.
• Experience integrating REST APIs, GraphQL APIs, Firebase services, AWS cloud services, and mobile backend services.
• Strong knowledge of mobile app performance optimization, debugging, crash monitoring, secure configuration management, and production issue resolution.
• Experience with CI/CD setup for mobile applications, including build automation, release management, environment configuration, and app deployment workflows.
• Familiarity with Expo SDK, EAS, Fastlane, Git, GitHub Actions, Azure DevOps/Pipelines, and Agile delivery practices.
• Good understanding of mobile UI/UX standards, accessibility, reusable component architecture, testing practices, and scalable application design.
Preferred Qualifications
• Experience with cloud-native/serverless backend integrations using AWS Lambda, API Gateway, S3, EC2, CloudWatch, RDS/DynamoDB, or Firebase.
• Exposure to advanced React Native architecture, native bridge optimization, Turbo Modules, JSI, and modern mobile release pipelines.
• Experience mentoring junior developers, participating in code reviews, and improving engineering best practices.
Education
• Bachelor's or Master's degree in Computer Science, Engineering, Information Technology, Data Science, or a related technical discipline.
Certifications Needed :No
Top 3 responsibilities you would expect the Subcon to shoulder and execute
React Native
IOS
Androoid
Interview Process (Is face to face required?) No
Project Code: Supp code for DX Subcon STP Onsite