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Mid Level Frontend Developer React Js Jobs in Missouri

The Timberline Group

Angular .Net Developer

Saint Louis, MO · On-site +1

$53.25 - $65.25/hr

This is a Mid to Senior-level full stack Software Developer position. This team is an Agile team ... modern front end frameworks (AngularJS, Angular, React.js). The role is full stack, so the ...

Jobgether

This is a remote opportunity for a software engineer who is passionate about building high-quality ... Take end-to-end ownership of features, including front-end development, back-end services ...

New

De Lage Landen International B.V.

$80K - $93K/yr

Front-End Developer As Front-End Developer, you will design, build, and deliver high-quality ... Advanced experience with at least one major front-end framework (React-preferred, Angular, Vue ...

Leidos

Mid-Level Software Engineer

Hazelwood, MO · On-site

$87K - $157K/yr

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

Leidos

Mid-Level Software Engineer

Valley Park, MO · On-site

$87K - $157K/yr

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

Leidos

Mid-Level Software Engineer

Saint Louis, MO

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

Leidos

Mid-Level Software Engineer

Saint Louis, MO · On-site

$87K - $157K/yr

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

Leidos

Mid-Level Software Engineer

Saint Charles, MO · On-site

$87K - $157K/yr

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

Leidos

Mid-Level Software Engineer

Fenton, MO · On-site

$87K - $157K/yr

Go * Front-end and Back-end Frameworks: React, Angular, Vue.js, jQuery, Spring Boot, Django ... Certifications such as AWS Certified Developer, Security+, SAFe Practitioner or similar. #Chinook ...

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Mid Level Frontend Developer React Js information

What is the difference between Mid Level Frontend Developer React Js vs Frontend Developer Vue.js?

AspectMid Level Frontend Developer React JsFrontend Developer Vue.js
Required SkillsProficiency in React.js, JavaScript, HTML, CSS, state managementProficiency in Vue.js, JavaScript, HTML, CSS, component-based architecture
Work EnvironmentWeb development teams using React.js frameworksWeb development teams utilizing Vue.js frameworks
Common Industry UsagePopular in large-scale applications, enterprise solutionsFavored for flexible, lightweight projects, startups

Both roles require strong JavaScript skills and familiarity with modern frontend frameworks. The main difference lies in the specific framework: React.js is widely used in enterprise environments, while Vue.js is known for its simplicity and flexibility. Choosing between them depends on the project requirements and team preferences.

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Mid Level Frontend Developer React Js jobs near you
Principal React Developer - Onsite

Principal React Developer - Onsite

Bass Pro Shops

Springfield, MO • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 22 days ago

Bass Pro Shops rating

6.5

Company rating: 6.5 out of 10

Based on 425 frontline employees who took The Breakroom Quiz

15th of 39 rated national retailers

Job description

POSITION SUMMARY:
We are seeking a Principal React Developer (eCommerce Front-End Platform) to join our growing team and lead the development of modern, scalable, and high-performing front-end applications for our eCommerce platform. This role serves as a hands-on technical leader, driving complex engineering initiatives, influencing architectural decisions, and partnering with cross-functional teams to deliver exceptional digital customer experiences.
The Principal React Developer works closely with stakeholders to understand business requirements and translates them into robust, scalable front-end solutions. This role is responsible for advancing platform capabilities, driving modernization, optimizing performance, and mentoring engineering teams while remaining deeply involved in design and development.
This is an onsite position that is required to be based in Springfield, Missouri.
ESSENTIAL FUNCTIONS:
  • Design, develop, and deliver enterprise-scale front-end applications using React.js and Next.js (SSR/SSG/ISR).
    Serve as a hands-on technical leader, contributing to critical code paths while guiding engineering direction.
  • Lead implementation of micro-frontend architectures (Module Federation, Single-SPA) to enable scalability and team autonomy.
  • Drive front-end platform upgrades including React migrations, Next.js upgrades, and adoption of modern tooling such as React Compiler.
  • Build and enforce reusable, scalable component libraries and design system standards.
  • Implement page composition and stitching strategies across micro-frontends to create seamless user experiences.
  • Develop and integrate with RESTful and/or GraphQL APIs, ensuring efficient data flow and rendering strategies.
  • Influence and guide decisions on state management, routing, and data-fetching patterns (Redux, Recoil, etc.).
  • Lead performance optimization initiatives, including code splitting, lazy loading, memoization, React Compiler optimizations, SSR/edge rendering, and runtime improvements.
  • Design and implement advanced caching strategies using browser caching, CDN caching, ISR, edge caching, and tools like Varnish to improve scalability and response times.
  • Ensure cross-browser compatibility, mobile responsiveness, and compliance with accessibility (WCAG) standards.
  • Apply and promote secure coding practices (XSS, CSRF mitigation, data protection).
  • Drive testing strategy and implementation using Jest, React Testing Library, Cypress, or similar tools.
  • Monitor, analyze, and improve front-end performance and observability using tools like Lighthouse and Core Web Vitals.
  • Collaborate with DevOps teams to support containerized deployments using Docker and Kubernetes for front-end applications.
  • Establish and promote best practices for micro-frontends, code quality, and engineering standards.
  • Mentor developers, perform code reviews, and elevate overall team capability and code quality.
  • Collaborate cross-functionally with product, UX, backend, and DevOps teams to deliver end-to-end solutions.
  • Actively participate in Agile workflows and contribute to continuous delivery and engineering excellence.
  • Evaluate and introduce emerging technologies and innovations into the front-end ecosystem.
  • Lead initiatives focused on performance, scalability, modernization, and developer experience improvements.
  • ALL OTHER DUTIES AS ASSIGNED

EXPERIENCE/QUALIFICATIONS:
  • Minimum Degree Required: Bachelor's Degree Computer Science, Engineering, or related discipline is required.
  • 12+ years of experience in front-end development, with strong expertise in React.js.
  • Minimum 8+ years of experience with Next.js, Micro-Frontends, and modern front-end architectures.
  • Strong proficiency in JavaScript (ES6+), TypeScript, HTML5, CSS3, SCSS.

KNOWLEDGE, SKILLS, AND ABILITY:
  • Deep expertise in modern React concepts such as Hooks, Context API, functional components, and performance optimization techniques.
  • Hands-on experience with React upgrades, dependency management, and adoption of emerging features such as React Compiler.
  • Proven experience building and scaling micro-frontend architectures (Module Federation, Single-SPA, or similar).
  • Strong understanding of page orchestration, composition, and stitching across distributed UI systems.
  • Experience implementing caching strategies, including CDN integration, ISR, edge caching, and Varnish.
  • Strong experience with state management libraries such as Redux and Recoil.
  • Strong knowledge of front-end architecture, design patterns, and large-scale application design.
  • Experience working with REST and/or GraphQL APIs.
  • Strong expertise in Core Web Vitals, performance tuning, and front-end observability.
  • Familiarity with UI frameworks such as Material UI, Ant Design, Bootstrap, or Tailwind CSS.
  • Experience with build tools such as Webpack (Module Federation), Vite, Babel.
  • Experience with monorepo tools such as Nx, Lerna, or Turborepo is a plus.
  • Familiarity with Git and modern version control practices.
  • Experience in Agile environments with strong understanding of SDLC processes.
  • Experience with CI/CD pipelines and modern deployment workflows.
  • Familiarity with cloud platforms such as Azure, AWS, or Google Cloud.
  • Strong understanding of Docker and Kubernetes-based deployment models.
  • Exposure to headless/composable commerce platforms is preferred.
  • Strong troubleshooting, debugging, and analytical skills with focus on scalability and resilience.
  • Excellent problem-solving, communication, and interpersonal skills.
  • Demonstrated ability to influence technical decisions, mentor engineers, and drive outcomes without direct authority.
  • Experience in retail or eCommerce environments is highly desirable.

TRAVEL REQUIREMENTS:
  • N/A

PHYSICAL REQUIREMENTS:
Regularly sits and works on a computer.
Occasionally stands and walks.
Seldom/never lifts up to 50 lbs.
INDEPENDENT JUDGEMENT:
Develops objectives and general policies and procedures for a specific program or functional area of responsibility within general scope of established operational goals and plans. Day-to-day work and decisions do not require direction or review by immediate supervisor. End results are reviewed by supervisor.
Full Time Benefits Summary:
Enjoy discounts on retail merchandise, our restaurants, world-class resorts and conservation attractions!
  • Medical
  • Dental
  • Vision
  • Health Savings Account
  • Flexible Spending Account
  • Voluntary benefits
  • 401k Retirement Savings
  • Paid holidays
  • Paid vacation
  • Paid sick time
  • Bass Pro Cares Fund
  • And more!

Bass Pro Shops is an equal opportunity employer. Hiring decisions are administered without regard to race, color, creed, religion, sex, pregnancy, sexual orientation, gender identity, age, national origin, ancestry, citizenship status, disability, veteran status, genetic information, or any other basis protected by applicable federal, state or local law.
Reasonable Accommodations
Qualified individuals with known disabilities may be entitled to reasonable accommodation under the Americans with Disabilities Act and certain state or local laws.
If you need a reasonable accommodation for any part of the application process, please visit your nearest location or contact us at hrcompliance@basspro.com.
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