

We are looking for a skilled React.js Developer to join our front-end development team. In this role, you will be responsible for developing and implementing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.
To ensure success as a React.js Developer, you should have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications. Ultimately, a top-class React.js Developer should be able to design and build modern user interface components to enhance application performance.

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We are hiring an experienced Frontend Engineer to help us keep growing. We develop AI enabled products and solutions that are geared to help accelerate the development of new cures and reduce inefficiencies in how healthcare information is managed. If you're dedicated and ambitious, Applied Informatics is an excellent place to grow your career. Don't hesitate to apply.
As a frontend developer who is proficient with React.js, HTML, CSS, SASS, your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (Redux). You should have experience in technologies like JavaScript, React JS & Redux, HTML and CSS.
Responsibilities ;
- Developing new user-facing features using React.js
- Building reusable components and front-end libraries for future use
- Translating designs and wireframes into high quality code
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
Skills :
- Strong proficiency in CSS,SASS, JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (Redux)
- Familiarity with newer specifications of EcmaScript
- Familiarity with RESTful APIs
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Ability to understand business requirements and translate them into technical requirements.
- Ability to learn new technologies quickly.
The process: a quick phone screen, technical interview, take-home exercise then a zoom call with the team.
About the Role
At Ceryneian, we’re building a next-generation, research-driven algorithmic trading platform aimed at democratizing access to hedge fund-grade financial analytics. Headquartered in California, Ceryneian is a fintech innovation company dedicated to empowering traders with sophisticated yet accessible tools for quantitative research, strategy development, and execution.
Our flagship platform is currently under development. As our Frontend / Full Stack Engineer, you’ll lead the creation of a stunning, intuitive user experience—spanning our landing page, drag-and-drop strategy builder, trading dashboards, and internal tools. You’ll collaborate closely with design, backend, and DevOps teams to build high-performance, secure, and scalable customer-facing applications. This role is central to delivering the reliability, flexibility, and performance our users will rely on in fast-moving financial markets.
We are a remote-first team and are open to hiring exceptional candidates globally.
Core Tasks
· Design, build, and deploy customer-facing interfaces, including the strategy builder, dashboards, and marketplace.
· Implement reusable UI components based on Figma designs; integrate charting tools like TradingView or Highcharts.
· Own the frontend development pipeline, including prototyping, implementation, testing, and responsiveness.
· Implement secure authentication and user management (OAuth2, JWT, multi-role access).
· Build real-time web experiences using WebSockets, REST, and client-server integrations.
· Collaborate with backend and DevOps teams to streamline data flow and deployment workflows.
Top Technical Competencies
· Strong foundation in HTML/CSS, JavaScript/TypeScript.
· Proficiency in modern frontend frameworks such as React (Next.js), Svelte, Angular, Vue, or Phoenix.
· Experience with OAuth2 and secure authentication workflows.
· Familiarity with server-side rendering (SSR) and modern state management (Zustand, Redux, MobX).
· Integration experience with charting libraries such as TradingView, Recharts, or Highcharts.
· Deployment experience using platforms like Vercel, Heroku, GCP, or AWS.
· Working knowledge of WebSockets, REST APIs, and data streaming models.
· 0–3 years of frontend development experience.
Bonus Competencies
· Familiarity with Supabase, PostgreSQL, Firebase, or MongoDB.
· Understanding of microfrontend architectures or API Gateway patterns.
· Experience with WebAssembly and real-time trading interfaces.
· Exposure to fintech platforms or trading systems.
· Background from Tier-I or Tier-II institutions with strong computer science fundamentals, a passion for scalable system design, and a drive to build cutting-edge fintech infrastructure.
Ideal Candidate
You’re a design-minded full stack engineer who builds fast, clean, and modular frontend systems. You thrive on making complex interfaces intuitive—turning strategy logic into drag-and-drop workflows—and can ship high-performance components that integrate seamlessly with real-time APIs. You value design systems, scalable frontends, and cross-functional collaboration.
What We Offer
· Opportunity to shape the product interface of a next-gen fintech startup.
· A collaborative, technically driven culture.
· Competitive compensation with performance-based bonuses.
· Flexible working hours and a remote-friendly environment.
· Exposure to financial modeling, trading infrastructure, and real-time systems.
· Collaboration with a world-class team from Pomona, UCLA, Harvey Mudd, and Claremont McKenna.

Are you an exceptional UI Developer with a passion for creating mesmerizing user interfaces? We're seeking a Senior UI Developer who thrives on leveraging the power of React to craft visually stunning and highly interactive user experiences. If you're a trailblazer in the realm of UI design and development, and you're ready to make a substantial impact with your skills, we want you to be a key player in our team.
Your Role and Responsibilities:
UI Enthusiast: Showcase your mastery of user interface design by leading the charge in developing captivating user interfaces for both web and mobile applications. Your UI skills will be the driving force behind creating experiences that resonate across various devices and platforms.
React Expertise: Demonstrate your coding brilliance by harnessing the potential of React. Create UI components that are both aesthetically pleasing and technologically advanced, pushing the boundaries of modern web development.
Design-Driven Development: Collaborate closely with our design team to seamlessly transform wireframes and mockups into tangible UI interfaces that effortlessly embody the union of visual aesthetics and functional excellence.
Performance Sculptor: Dive into the intricacies of front-end code within the React framework, sculpting and optimizing to achieve lightning-fast loading times and seamless user interactions.
Browser Harmony: Ensure uniformity in appearance and behavior across an array of browsers and devices, taking into account the nuances of each platform to create a consistent user experience.
Code Craftsmanship: Exemplify your commitment to code quality by producing elegantly structured, meticulously documented, and easily maintainable code that sets new standards in our development endeavors.
Synergy of Integration: Collaborate seamlessly with our backend developers, bridging the gap between UI components and backend services and APIs to create a holistic and efficient application ecosystem.
Agile Advocate: Embrace and champion agile methodologies, actively engaging in sprint planning, daily stand-ups, and contributing to code reviews to foster a collaborative and iterative development environment.
Creative Problem-Solving: Dive headfirst into complex UI challenges, emerging with innovative solutions that enhance user experiences and keep the development process on track.
Mentorship: Elevate junior developers through your guidance and insights, empowering them to amplify their expertise in UI development and React.
Trendsetter: Stay at the forefront of UI development trends, constantly immersing yourself in the latest front-end technologies, particularly within the React ecosystem.
Key Skills:
Proficiency in HTML, CSS, and JavaScript
Expert-level experience with React and related libraries
Strong UI/UX design understanding
Responsive and mobile-first design principles
Cross-browser compatibility and accessibility standards
Performance optimization for UI components
Agile development methodologies
Strong problem-solving skills
Excellent communication and collaboration abilities
Your Skills and Qualifications:
Bachelor's degree in Computer Science, Web Design, or a related field (or equivalent practical experience).
Proven track record as a UI Developer or Front-End Developer, highlighted by an impressive portfolio showcasing your React-powered UI design and development prowess.
Expert-level proficiency in HTML, CSS, JavaScript, and React framework, complemented by familiarity with relevant libraries and tools.
UI-focused mindset with a passion for responsive and mobile-first design within the React realm.
Deep appreciation for UI/UX design principles, enabling seamless collaboration with designers to achieve a harmonious user experience.
Comprehensive understanding of cross-browser compatibility and dedication to accessibility standards.
Accomplished in optimizing UI components for superior performance and speed within the React framework.
Resourceful problem solver, adept at swiftly identifying and addressing front-end issues.
Exceptional communicator, fostering a collaborative and inclusive environment within the team.
Proficient in version control systems (e.g., Git) and experienced in contributing to code review processes.
Exposure to Agile/Scrum methodologies is a significant advantage.
Strong leadership skills, with a history of mentoring junior developers in React-based development scenarios.
Join us in reshaping user interfaces through the captivating lens of React. If you're fueled by a passion for UI excellence and have the technical prowess to match, we invite you to share your resume, portfolio, and relevant code samples that reflect your remarkable journey in the realm of UI and React. Your UI skills will be the cornerstone of our dynamic team.

TechUnity is looking for a highly motivated and skilled React JS / React Native software developer who is comfortable with both front and back-end programming. Developer will be designing and implementing attractive and intuitive Web-based user interface and developing backend services to support front-end requests. Developer will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.
Other Responsibilities:
· Seeing through a project from conception to finished product
· Designing and coding of frontend web architecture
· Designing user interactions on web pages
· Developing backend server architecture
· Creating specification for servers and databases needed
· Ensuring responsive performance of applications.
· Designing and developing APIs.
· Meeting both technical and consumer needs.
· Staying abreast of developments in web applications and programming languages
· Good problem-solving skills.
· Excellent verbal communication skills


Responsibilities:
- Be a key player in the entire application development lifecycle, build and maintain excellent react applications with clean code
- Formulating an effective process to implement pixel-perfect UI's that match designs.
- Generating front-end libraries and reusable components for later use.
- Maximizing performance of components across a wide range of web-capable devices and browsers Skills.
- Working in collaboration with the team members and project managers to develop clean, modern, smooth animations and transitions that provide an excellent user experience.
- Create and maintain workflow with the team for implementing and integrating the third-party APIs and work along with the backend team.
- Flexible in working with a small team of frontend-backend developers, a project manager, and other programmers.
- Liaise with the internal team to produce top-notch prototypes and mock-ups.
- Participating in concepts of new programs, products, or features by monitoring industry development trends and assisting team members for development.
- An understanding of common programming paradigms and fundamental React principles, similar as React components, hooks, and the React lifecycle.
- Discussing and implementing new project management ideas with team and problem-solving skills to overcome obstacles.
- Keep abreast with day to day developments in technology and working with native modules.
- Assist with building estimates and assume accountability for your job and results delivery.
Requirements:
- Bachelor’s or Master’s degree in computer science, computer applications or related fields.
- Proven working experience as a React Developer for 3+ years and above.
- Hands-on experience on HTML5, CSS3, and CSS frameworks.
- Demonstrable knowledge on Web services, Web API, REST services & GraphQL.
- Expertise in UI design and development of responsive web applications using React, Redux, Flask and Hooks.
- Applicable knowledge on Social API integration, Core location APIs, Web Views, Payments integration
- Proficiency in understanding of layout aesthetics .
- Excellent analytical, problem-solving and multitasking skills.
- Ability to solve novel and challenging React problems.
- Capability to understand ,develop and sustain continuous integration and delivery.

We are helping hire for an early-stage Stealth Mode funded gaming startup that is looking for a dynamic User Experience Designer to join their talented team!
The frontend engineer will relish the subtle interaction details that make the products delightful, write highly reusable code and think about how to build better systems. Product intuition is as much a necessity as technical knowledge.
# WHAT YOU'LL DO:
• Build user interfaces that are beautiful, consistent, and fast.
• Invent patterns and reusable components that our team can assemble to build powerful software workflows.
• Take sole ownership of your product(s) - keep a keen eye out for bugs that might arise, passionately resolve them; make feature additions to your product; or sometimes, when you're feeling ambitious - rewrite the whole product from scratch! (Don't make this a habit though.)
• Ensure the technical feasibility of UI/UX designs
• Optimise application for maximum speed and scalability
# SKILLS YOU SHOULD HAVE:
• 3+ years of experience in building and shipping products that people use every day
• Prior startup experience is mandatory. (Brownie points for someone who has worked in the gaming industry)
• Be able to write clean, maintainable code which others can work on
• Should have working knowledge on frontend frameworks and tools- NodeJS expertise is a bonus
• Have knowledge of browser behavior, performance, compatibility and cross-browser issues
• Proficient understanding of code versioning tools, such as Git
• You take pride in working on advanced CSS, animations and responsiveness
• Ability to own end to end responsibility - right from requirement to release
• Ability to produce bug-free and production grade code
• The skills that we consider - CSS, JavaScript, React, Redux, Node.js, LESS, SASS, Bootstrap, Express.
• Candidates from Top tier colleges will be preferred.
LOCATION - Gurugram (Udyog Vihar)


Work Location: Madurai
Interview Process : Face to Face
Experiences : 2 Years to 8 Years
Please do share your resume to my inbox
Job Description : ReactJS (Lead)
* In this role, you will be responsible for developing and implementing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack. you should have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive webapplications. Ultimately, a top-class react.js developer should be able to design and build modern user interface components to enhance application performance.
* Previous experience working as a react.js developer.
* In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
* Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
* Experience with user interface design.
* Knowledge of performance testing frameworks including Mocha and Jest.
* Experience with browser-based debugging and performance testing software.

Job Requirements:
Strong experience in JavaScript (ES5), Object-oriented JavaScript and ES2015 concepts.* Experience in ReactJS with good understanding of React Lifecycle methods, component-based design and flux pattern.
* Experience in CSS frameworks (Bootstrap/Material Design/Foundation)
* Experience in unit testing frameworks (Jasmine/Mocha/Jest)
* Experience in module bundler or task manager (Webpack/System.js/Gulp/Grunt)
* Experience in web application profiling using tools such as Chrome DevTools
* Additional skills: Knowledge of ESB, NoSQL databases (Hadoop/Cassandra/MongoDB), experience with mobile, SaaS and cloud-based development.
* Ability to explore and grasp new technologies.


