UI/UX Designer

Job overview:

We are seeking an experienced React.js Developer who is passionate about crafting high-quality, scalable, and performant front-end applications. The ideal candidate should have strong hands-on experience in modern JavaScript frameworks, UI development, and a keen eye for detail.

Key Responsibilities

• Develop and maintain responsive web applications using React.js, JavaScript (ES6+), HTML5, and CSS3.
• Build scalable and reusable UI components with React Hooks, Redux/Context API, and component-driven architecture.
• Optimize app performance to ensure fast load times, smooth interactions, and cross-browser compatibility.
• Write clean, modular, well-documented code following industry best practices and Git-based workflows.
• Troubleshoot, debug, and enhance existing features based on user feedback, analytics, and technical requirements.
• Integrate RESTful APIs and collaborate closely with backend engineers, designers, and product managers.
• Stay updated with emerging trends, tools, and best practices in front-end development to continuously improve the codebase and architecture.

Required Skills

• 4+ years of hands-on experience in React.js and JavaScript (ES6+).
• Strong understanding of HTML5, CSS3, Flexbox, Responsive Design, and UI frameworks (Tailwind/Bootstrap).
• Experience with state management using Redux, Redux Toolkit, or Context API.
• Hands-on experience with REST APIs, asynchronous programming, and front-end build tools (Webpack, Babel, npm/yarn).
• Good understanding of version control using Git.
• Ability to write efficient, scalable, and re-usable components following best practices.

As a Frontend Developer, your responsibilities will include:

• Developing new user-facing features using React.js and integrating with backend services.
• 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 broad spectrum of web-capable devices and browsers.

Key Performance Indicators:

• Efficiency and quality of the code developed.
• Adherence to project timelines and delivery milestones.
• Positive stakeholder feedback on usability and design.
• Continuous improvement and adoption of best practices in frontend development.

Prior Experience Required:

• Minimum 3+ years of experience in frontend web development.
• Proficient in JavaScript, including DOM manipulation and the JavaScript object model.
• Extensive experience with React.js and its core principles.
• Strong proficiency in HTML5, CSS3, and modern frontend development tools.
• Experience with popular React.js workflows (such as Redux).
• Familiarity with newer specifications of EcmaScript.
• Experience with data structure libraries (e.g., Immutable.js).
• Good understanding of RESTful APIs and modern authorization mechanisms (e.g., JSON Web Token).
• Good to have: Experience with TypeScript and Next.js.

Location:

Hyderabad

Collaboration:

The role involves working closely with backend developers, UI/UX designers, and project managers to deliver seamless, high-quality web applications.

Salary:

Competitive, based on experience and market standards.

Education:

• Bachelor's degree in Computer Science, Information Technology, or a related field.

Language Skills:

• Strong command of Business English, both verbal and written, is required.

Other Skills:

• Excellent problem-solving skills.
• Looking for perfection in development
• Taking Ownership and Accountability in a fast-paced environment.
• Proficiency in code versioning tools, such as Git.
• Knowledge of modern frontend build pipelines and tools.
• Experience with responsive and adaptive design.

Additional Requirements:

• Portfolio of previous projects that demonstrates expertise in frontend development.
• Familiarity with agile methodologies.
• Strong teamwork skills, with the ability to collaborate effectively with colleagues and clients across diverse teams.

Employer:

About RaptorX

RaptorX is a fintech startup focused on redefining fraud detection and prevention in real time for banks, financial institutions, and digital platforms. Backed by top-tier investors, including senior technology leaders from Google, Microsoft, and Peak XV Partners, RaptorX leverages advanced AI models for anomaly detection, and high-throughput architecture to stay ahead of sophisticated fraud patterns.

• Full stack product engineering i.e. design, engineer, test, deploy, monitor, and maintain software components to QA and Production environments
• Design & engineer product experience & APIs conforming to defined quality, maintainability, scalability, and performance KPIs
• Build, maintain, and improve continuous integration and delivery lifecycle processes
• Automation of repetitive engineering and production activities

• Engineering in computer science
• 3+ year of relevant experience in product engineering with expertise in building frameworks, reusable components, and APIs
• Expert level skills in analytical & problem solving
• Strong programming and engineering fundamentals like Data Structures,
• Design Principles, TDD, and Performance Tuning to build scalable and performance optimized product
• Ability to communicate clearly in English

• HTML5
• CSS3 (Sass/Less)
• JQuery
• JavaScript (ES6) / TypeScript
• React.js
• Version Control : Git

FrontEnd Developer - ReactJs & Angular

Rejolut is among the fastest-growing and award winning Tech companies working on leading technologies namely Blockchain, Machine Learning & Artificial Intelligence, Complex mobile & Web Apps, IoT, etc.Rejolut is a venture-backed company with clients in over several countries namely Malaysia Airlines,gba global,my-earth,biomes, Dlg-hub,etc.

We are looking for Tech geeks having hands-on experience and in love with building scalable, distributed and large web/mobile products and tech solutions. He/She must be an excellent problem solver with passion to self-learn and implement web technologies (frontend + backend). He/She would be responsible for the architecture design, code review, and technology build and deployment activities of the product. 

Responsibilities:

• Proficient in client & server-side JavaScript, HTML5, CSS3 and webpack
• Competent in building single page web applications using Node.js and React Js
• Redux/ Recoil Js for state management
• Universal rendering (Client-side rendering and Server-side rendering)
• Experience with cross-browser, cross-platform, and design constraints on the web
• Experience in developing automated unit and functional tests
• Experience in an agile development process
• Deep knowledge of algorithms and design patterns
• Have a passion for quality and writing clean, readable code that scales and performs well
• Good interpersonal communication skills

Desired Candidate Profile:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

• Thorough understanding of React.js and its core principles

• Experience with popular React.js workflows (such as Flux or Redux)

• Familiarity with newer specifications of EcmaScript

• Experience with data structure libraries 

• Knowledge of isomorphic React is a plus

• Familiarity with RESTful APIs

• Knowledge of modern authorization mechanisms

• Familiarity with modern front-end build pipelines and tools

• Experience with common front-end development tools

• Ability to understand business requirements and translate them into technical requirements

• A knack for benchmarking and optimization

• Familiarity with code versioning tools

Rejolut - As a Career Differentiator

 - We are a young and dynamic team who are obsessed with solving futuristic and evolutionary business problems at scale with the next generation technology like blockchain, crypto and machine learning. Focuses on empowering people across the globe to be technically efficient, making advancements in technology and providing new capabilities that were previously thought impossible.

- We provide exposure to higher learning opportunities so that you can work on complex and cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, WebAssembly. Strong expertise in  blockchain and crypto technology and working with the networks like Hedera Hashgraph, Tezos, BlockApps, Algorand, Cardano.

- We maintain high end transparency with clients and employees as Visibility unlocks Efficiency and trust unlocks Visibility.

- Company is backed by two technology Co-founders, well-versed with consumer applications and their work has been downloaded millions of times and have led teams in leadership positions in companies like Samsung, Purplle, Loylty Rewardz.

Benefits :

> Health Insurance

> Work from Home

> Fast growth and more visibility into the company

> Experience to work on the latest technology

> Competitive Learning Environment with supportive co-workers

> Employee friendly HR Policies

> Paid leaves up to certain limits

> Competitive salaries & Bonuses

> Liberal working atmosphere

> Get mentored by the best in the industry

Schedule:

Day Shift/Flexible working hours

Monday to Friday

Looking for someone to join our startup and work with us on several different projects. Strong communication skills are a must. 
Skills:

• Candidate with 2+ yrs of experience in UI development or theme implementation.
• Mandatory proficient understanding of web markup, including HTML5, CSS3, Javascript, JQuery, Bootstrap, Photoshop.
• Front-end (CSS) frameworks like Foundation or Bootstrap, Semantic UI.
• Design wireframe/layout for website, web application, mobile apps.
• Up-to-date, in-depth knowledge of modern HTML, CSS and JS.
• Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
• An eye for design to pixel perfect website conversion.
• Hands on experience on creating responsive websites using media queries (not just Bootstrap).
• Working knowledge of cross-browser-compatibility and different sizes of different screens.
• Self-motivated, good communication and ready to learn attitude.
• Experience with various JS libraries like jQuery, BackboneJS, UnderscoreJS etc.
• Experience in layout designing & theme conversion on open source CMS’s like WordPress, Drupal.
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Optimize application for maximum speed and scalability.
• Good understanding of SEO principles and ensuring that application will adhere to them.
• Familiarity with tools such as Gimp or Photoshop is a plus.
• Proficient understanding of cross-browser compatibility issues and ways to work around them. - Proficient understanding of code versioning tools, such as Git

Responsibilities:

• Develop new user-facing features.
• Build reusable code and libraries for future use.
• Develop functional and appealing web and mobile-based applications based on usability
• Provide website maintenance and enhancements.
• Translation of the UI/UX design wireframes to actual code that will produce visual elements of the application
• Ensure the technical feasibility of UI/UX designs.
• Maintain graphic standards and branding throughout the product’s interface
• Stay up-to-date on emerging technologies promotes usability best practices.
• Optimize application for maximum speed and scalability. 
• Collaborate with other team members and stakeholders.
• Create quality mockups and prototypes on tight timelines.
• Proficient understanding of cross-browser compatibility, devices, responsive issues and ways to work around them.