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We are seeking a US-based Junior Frontend Web Developer to join our engineering team and contribute to the development of a modern, customer-facing web application. This is an excellent opportunity for an early-career developer to gain real-world experience while working alongside senior engineers, designers, and product managers in a collaborative Agile environment. The project focuses on building responsive, high-quality user interfaces for a SaaS platform used by businesses across the United States. You will help implement new features, fix bugs, integrate APIs, and improve the application's usability and performance while following established coding standards and best practices. Responsibilities Develop responsive web pages and reusable UI components using React and TypeScript. Implement new frontend features based on product and design requirements. Integrate frontend components with RESTful APIs. Troubleshoot and resolve UI bugs and performance issues. Participate in code reviews and team discussions. Write clean, maintainable, and well-documented code. Collaborate with designers, QA engineers, and backend developers throughout the development lifecycle. Required Skills HTML5, CSS3, JavaScript (ES6+) React.js TypeScript Git Basic knowledge of REST APIs Understanding of responsive design principles Strong communication skills and eagerness to learn Preferred Qualifications Familiarity with [login to view URL] or Redux Experience with Tailwind CSS or Material UI Basic knowledge of testing frameworks such as Jest or React Testing Library Exposure to Agile/Scrum development practices Location United States (Remote)
Project ID: 40580272
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200 freelancers are bidding on average $135 USD for this job

I have expertise in React, TypeScript, and responsive design for modern SaaS platforms, making me a strong fit for the Junior Frontend Web Developer role. I excel at API integration, UI performance optimization, and Agile collaboration. I'm interested in learning about scalability needs for future features and discussing security measures and integrations for a robust solution. I believe our partnership can exceed expectations and drive your SaaS platform to new heights.
$225 USD in 5 days
8.9
8.9

Hi, ★★★ React.js / TypeScript Expert ★★★ I can help you develop responsive web pages and reusable UI components for your SaaS platform. I'll implement new frontend features based on your product and design requirements, ensuring seamless integration with RESTful APIs. I will also troubleshoot and resolve any UI bugs and performance issues while adhering to coding standards and best practices. You can review my previous projects, client feedback, and portfolio here: https://www.freelancer.com/u/techplusintl Could you clarify if there are any specific design guidelines or frameworks you want me to follow? Happy to discuss the details.
$30 USD in 10 days
8.4
8.4

I AM AVAILABLE — I can help build responsive React/TypeScript interfaces, integrate REST APIs, fix UI bugs, and deliver clean, maintainable code that fits seamlessly into your existing SaaS platform. Message me to get started on this project.
$240 USD in 7 days
8.2
8.2

Hello Greetings, After reviewing your project description, I feel confident and excited to work on this project for you. But I have some crucial things and queries to clear out. Please leave a message on chat so we can discuss this, and I can share my recent work similar to your requirements. Thanks for your time! I look forward to hearing from you soon. Best Regards.
$250 USD in 4 days
8.1
8.1

Good afternoon, I can help with your frontend app development by building responsive React components and integrating REST APIs smoothly. I will focus on clean, maintainable code using HTML5, CSS3, and JavaScript to improve usability and performance. This will ensure your SaaS platform delivers a great user experience across devices and meets your product goals. Do you already have the design and API documentation ready for integration? Best regards, Waqas & GoDesign Team
$30 USD in 3 days
7.7
7.7

Hi, I can help with your "Junior Web Developer for Frontend App" project. I develop clean, maintainable PHP backends — core PHP and Laravel/Symfony, MySQL schema design, and well-structured REST APIs. For work involving php, javascript, website design, css, html5, html, react.js, css3, frontend development, rest api, I pay close attention to validation, security, and readable code, delivering in small, testable milestones. I provide clean commits and clear documentation. Could we discuss the specifics before I firm up the timeline? ⭐ 5.0/5 from a recent client: "it was great working with him, did whatever changes i asked him as per my need." Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$200 USD in 4 days
7.6
7.6

Hi, I am a software engineer. I have excellent frontend web skills. I can contribute to the development of your customer-facing web application
$30 USD in 7 days
7.3
7.3

As a highly experienced and versatile Full-Stack Developer, I'm well-equipped for this Junior Web Developer position. With extensive knowledge in HTML5, CSS3, JavaScript (ES6+), React.js, TypeScript, and Git - the primary skills sought for this project - I'm thoroughly confident in my ability to create the modern, responsive web pages and UI components that will drive your SaaS platform forward. Over the years, I've honed my skills in Agile/Scrum development practices, enabling me to seamlessly integrate with any team and contribute meaningfully throughout the project lifecycle. Moreover, my deep understanding of REST APIs and the ability to troubleshoot and resolve UI bugs and performance issues align me perfectly with your project description. Lastly, as a strong believer in maintaining clear lines of communication with clients at every stage of a project, you can be rest assured that I will keep you updated frequently as we progress. I'm eager to hit the ground running, contribute meaningfully to your team's success, all while enjoying a mutually beneficial relationship.
$30 USD in 5 days
7.3
7.3

I am a US based developer eager to contribute to your engineering team as a Junior Web Developer for Frontend App. My experience aligns closely with your tech stack, including React. js, JavaScript, and modern CSS3. I have successfully built responsive interfaces using HTML5 and integrated REST APIs to create dynamic user experiences. My background in PHP and core web design principles allows me to bridge the gap between frontend aesthetics and backend logic effectively. I am committed to writing clean, maintainable code and collaborating closely with your senior engineers to meet project goals. I can start immediately and dedicate the necessary hours to ensure high quality contributions.
$100 USD in 7 days
6.8
6.8

Hello, I have worked on React and TypeScript interfaces for SaaS products, including responsive pages, reusable components, and REST API integration. The role matches day-to-day frontend work such as fixing UI bugs, improving usability, and following team coding standards. I would build features from design and product requirements, keep the code clean, and use Git clearly for reviews. I would also work smoothly with senior engineers, QA, and designers in an Agile flow while keeping changes easy to test. Best regards, Teo
$200 USD in 2 days
6.8
6.8

Hello, I am very interested in the Junior Frontend Web Developer position for your modern web application project. With expertise in Website Design, PHP, JavaScript, Frontend Development, React.js, and REST API, I am confident in my ability to contribute effectively to this project. I understand the requirements involve building responsive user interfaces, integrating APIs, and enhancing the application's performance. I have a strong portfolio showcasing my skills in frontend development and React.js projects. - MY WORK STATS: ✨ https://www.freelancer.com/u/XanvraTECH I would love to discuss this opportunity further and explore how my skills align with your project needs. Looking forward to the possibility of working together. Best regards, Warda Haider
$100 USD in 4 days
6.8
6.8

Hi, I’d handle this by building clean, modular React components with TypeScript to keep the codebase maintainable as new features grow. The biggest improvement will come from strict type safety, which catches issues early and makes onboarding easier. I worked on a small SaaS admin panel where introducing TypeScript cut frontend bugs by nearly half in the first month, though the initial setup required extra effort from the team to define proper types for existing APIs. Changes will be small and isolated, reviewed in Git before merging, so nothing breaks existing workflows. You’ll see progress after each sprint, and I’ll document decisions so future devs can pick up where we left off. Type-safe components mean fewer production fires, faster feature delivery, and less time spent explaining undocumented edge cases to new hires. If we're aligned, I’d start by reviewing the current codebase and suggesting the safest path to introduce TypeScript without slowing down active work. Thanks, Denis.
$100 USD in 3 days
6.4
6.4

Hello, I came across your Junior Web Developer for Frontend App and I am very interested in working with you. I have reviewed your requirements and full understand the scope of expectations. I specialize in PHP, Website Design, CSS, HTML, React. js, and have successfully delivered similar projects before. I am committed to delivering high-quality work with reliability, clarity and professionalism. I work transparently throughout the project progress, deadlines and expectation stay clear at every stage. I would be glad to disucss further details and am ready to start immediately. Looking forward to hearing from you.
$250 USD in 2 days
6.3
6.3

Hi I understand you are looking for a hands-on Junior Frontend Web Developer to help build a modern, customer-facing SaaS UI with React/TypeScript, REST API integration, and responsive design, while collaborating in an Agile team and following coding standards. I’m a results-driven developer who values pragmatic, repeatable workflows: turning design requirements into clean, testable UI components, and ensuring UI performance and accessibility are baked in from day one. My approach aligns with your need for hands-on feature work, bug fixes, API integration, and active participation in code reviews and team discussions. For your project, I would structure the work into focused sprints: initial setup with a reusable component library and CI-friendly linting/tests, followed by feature-driven iterations that connect to REST APIs, optimize responsiveness, and add accessibility and polish. Each sprint would conclude with a working UI layer, documentation notes, and a validation checklist so you can confidently review progress. I can also provide lightweight reference guides and reusable UI patterns to accelerate onboarding for new team members and maintain consistency across the SaaS platform. Best, Justin
$140 USD in 7 days
6.4
6.4

With over 8 years of experience in front-end web development, including expertise in CSS3, HTML5, JavaScript (ES6+), and React.js, I believe I'm the ideal fit for your project. Working both as a Full Stack Developer and Digital Solutions Expert, I have developed a wide range of valuable skills and techniques that enable me to create responsive, high-quality UI designs with utmost efficiency. In addition to my technical skills, I possess strong communication skills and an ardent eagerness to learn. This quality has helped me adapt seamlessly to different working environments while respecting established coding standards and best practices. Moreover, being well-versed with Agile/Scrum development practices will ensure seamless collaboration with your designers, QA engineers, and backend developers throughout the process. Having successfully delivered over 100 projects in my professional career, I bring a depth of tested experience to the table that few can rival. My services are not limited to just programming - I go the extra mile, providing comprehensive support even after project completion. By choosing me for this role as a Junior Web Developer for Frontend App for your business SaaS platform, you're assuring yourself of
$200 USD in 7 days
6.5
6.5

Hello! We can provide an external frontend developer for your current React app. 1. Are you open to working with an external contractor or team for this role? 2. Which tasks should be covered first? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!
$140 USD in 7 days
6.8
6.8

Hello There!!! ★★★★ (Responsive React & TypeScript frontend development with clean, reusable components) ★★★★ I’ve read your requirements carefully and understand you're looking for a frontend developer to help build and maintain a modern SaaS application using React and TypeScript. This includes developing responsive UI, integrating REST APIs, fixing bugs, and collaborating in an Agile workflow. ⚜ React.js & TypeScript development ⚜ Responsive HTML5/CSS3 interfaces ⚜ REST API integration ⚜ Reusable UI component development ⚜ Bug fixing & performance optimization ⚜ Git collaboration & code reviews ⚜ Clean, maintainable and documented code I have hands-on experience building responsive React applications with modern frontend practices, REST APIs, and component-based architecture. I'm passionate about writing clean code, learning quickly, and working closely with designers and backend teams. I can contribute from day one, adapt to your workflow, and ensure high-quality deliverables. Looking forward to discussing how I can support your engineering team. Warm Regards, Farhin B.
$110 USD in 10 days
6.7
6.7

Hello! I'm excited about the opportunity to collaborate with your team as a Junior Frontend Web Developer! I look forward to contributing to your modern SaaS platform by developing responsive web pages and reusable UI components with React and TypeScript. I am eager to bring my skills in HTML5, CSS3, and JavaScript (ES6+) to help implement new features and integrate frontend components with RESTful APIs. In my previous work, I've been passionate about writing clean, maintainable code and ensuring that performance issues are promptly resolved. I believe my strong communication skills will mesh well with your Agile environment. This role seems like the perfect launchpad for me to learn from your experienced team while enhancing the application's usability and performance. I'm especially looking forward to participating in code reviews and team discussions, as collaboration is key to building remarkable user experiences. Your focus on quality and best practices truly resonates with me. What specific features or components do you envision me implementing first? Looking forward to the possibility of working together! Best, Talha
$30 USD in 14 days
6.0
6.0

Hi I can help build clean, responsive React interfaces that improve your SaaS platform’s user experience while keeping the code maintainable and scalable. I have experience working with React, TypeScript, JavaScript, and modern frontend practices to create reusable UI components and smooth user interactions. For your customer-facing web application, I can help implement new features, integrate REST APIs, and resolve UI issues with attention to performance and usability. I follow clean coding standards, collaborate well with designers and backend teams, and adapt quickly to Agile workflows and existing project structures. I’d be happy to discuss your current application needs and how I can support your engineering team. Best Regards, Fizza Nadeem K
$80 USD in 3 days
6.2
6.2

Hello, I hope this message finds you well. I have carefully reviewed your project requirements for a Junior Frontend Web Developer position focused on building responsive user interfaces for a SaaS platform in the United States. With expertise in PHP, JavaScript, HTML5, CSS3, and React.js, I am confident in my ability to contribute effectively to your project. My portfolio includes successful projects showcasing my skills in frontend development, REST API integration, and website design. I am committed to delivering clean, well-documented code that aligns with industry standards and best practices. One question I have is: What specific design or functionality aspects are a top priority for your business goals? I am eager to discuss how we can collaborate to bring your vision to life. Please feel free to reach out to further discuss the project details and finalize the scope. Best regards, Muhammad Anas Khan
$90 USD in 4 days
5.8
5.8

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