Senior ReactJS Frontend Engineer at Wishberry

Job Title: Frontend Developer – Perpetual Trading

Location: Remote

Experience: 2+ Years

About the Company

We are a next-generation cryptocurrency exchange focused on building innovative and secure trading experiences for digital assets and derivatives. With a strong emphasis on perpetual trading and real-time market execution, we aim to redefine how traders interact with crypto markets — combining transparency, performance, and user-centric design.

Role Overview

We are seeking an experienced Frontend Developer with a strong background in perpetual trading platforms and Web3 projects. The ideal candidate has hands-on experience integrating perpetual trading APIs such as GMX, Hyperliquid, or similar decentralized perpetual exchanges. You will develop high-performance, real-time trading interfaces that deliver seamless user experiences.

Key Responsibilities

• Develop and maintain scalable, responsive, and real-time front-end interfaces for perpetual trading dashboards.
• Integrate APIs from decentralized perpetual trading platforms like GMX, Hyperliquid, or others.
• Implement real-time order books, charts, and market data using REST and WebSocket APIs.
• Collaborate with backend, blockchain, and UI/UX teams to deliver a cohesive trading experience.
• Optimize the interface for low latency and high-frequency data updates.
• Implement wallet connectivity (MetaMask, WalletConnect) and secure trade execution flows.
• Write clean, modular, and maintainable code following modern front-end practices.

Required Skills & Experience

• 2+ years of experience as a Frontend Developer in crypto, DeFi, or trading platforms.
• Proven experience integrating perpetual trading APIs (e.g., GMX, Hyperliquid, Drift, or similar).
• Strong skills in React.js / Next.js, TypeScript, HTML5, CSS3, and JavaScript (ES6+).
• Experience working with real-time data using WebSockets.
• Familiarity with charting libraries (TradingView, Recharts, D3.js).
• Understanding of Perpetual Trading, Futures, and DeFi trading mechanics.
• Hands-on experience with Web3 integration using ethers.js or web3.js.
• Knowledge of API integration, front-end performance optimization, and security best practices.

Good to Have

• Experience in DEX / Web3 UI development.
• Familiarity with Redux, Zustand, or other state management tools.
• Understanding of smart contracts and on-chain data.
• Strong eye for UI/UX design in complex trading applications.

Role: UI Lead

Exp: 8+ Years

CTC: up to 30 LPA

Mode of Interview: 2 rounds onsite + 2 online

Key Responsibilities: 

• Lead the UI team in designing and developing scalable, responsive, and performant user interface components. 
• Define and enforce UI coding standards, best practices, and guidelines. 
• Collaborate with UX designers to translate wireframes and prototypes into high-quality code. 
• Work closely with product managers to understand requirements and translate them into technical solutions. 
• Mentor and coach UI developers, providing guidance and support on technical challenges. 
• Conduct code reviews to ensure code quality, performance, and adherence to design principles. 
• Stay updated with the latest UI trends, technologies, and best practices. 
• Drive innovation and continuous improvement within the UI development process. 

Required Skills and Qualifications: 

• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent work experience). 
• Proven experience (>8 years) as a UI developer with expertise in HTML5, CSS3, JavaScript/TypeScript 
• Proven experience in front-end frameworks React (must), Angular(good to have), Vue.js(good to have). 
• Solid understanding of responsive web design, accessibility, and cross-browser compatibility. 
• Experience leading a team of UI developers in an agile environment. 
• Strong problem-solving skills and ability to troubleshoot complex issues. 
• Excellent communication skills with the ability to collaborate effectively with cross-functional teams. 

**TL;DR:** Seeking an experienced Front-end Developer proficient in React and Next.js to build user-friendly interfaces for Proof of Skill, a blockchain-based protocol for skill verification and credentialing.

Proof of Skill protocol is a decentralized system where industry experts (Validators) evaluate candidates' skills and issue verifiable Skill Credentials. Organizations can then shortlist candidates based on these credentials.

**Qualifications and Skills:**

5+ years of experience in front-end development, with a strong focus on React and Next.js

Proficiency in JavaScript, HTML5, CSS3, and related front-end technologies

Solid understanding of React ecosystem, including Redux, React Router, and React Hooks

Experience with Next.js and its server-side rendering (SSR) and static site generation (SSG) capabilities

Familiarity with modern front-end build tools and workflows (e.g., Webpack, Babel, ESLint)

Knowledge of responsive design and cross-browser compatibility

Experience with RESTful APIs and integration with back-end services

Familiarity with web accessibility standards (WCAG) and best practices

Understanding of blockchain technology and decentralized applications (dApps) is a plus

**Responsibilities:**

Design and develop user-friendly interfaces for the Proof of Skill platform using React and Next.js

Implement reusable and modular front-end components following best practices

Integrate with blockchain-based back-end services and decentralized data sources

Optimize performance, scalability, and security of the front-end applications

Collaborate with the design team to ensure pixel-perfect implementation of UI/UX designs

Write clean, maintainable, and well-documented code

Participate in code reviews and ensure adherence to coding standards

Stay up-to-date with the latest front-end technologies, frameworks, and industry trends

**Ideal Candidate Traits:**

Strong problem-solving and analytical skills

Excellent communication and collaboration abilities

Attention to detail and commitment to writing clean, efficient code

Passion for creating intuitive and engaging user experiences

Entrepreneurial mindset and willingness to take ownership

Curiosity and eagerness to learn and grow in a dynamic environment

Experience building for crypto is a huge plus

 Frontend Engineer - React.js

About the Job:-

We are looking for a competent Frontend Engineer to join our growing company. You will be working on transmuting ongoing production-level enterprise projects into functional and appealing interactive applications.

If you have got a knack for creating a user-friendly product and are eager to learn trending tech with a growing company while enhancing your entrepreneur mindset, then we are looking for you. We hope you are as tech-savvy as us and are hungry for challenging projects.  

Experience required - 1+ year

Job Type - Full time (Remote)

Responsibilities:-

• Communicating with the client for day to day activity
• Gather and understand the technical requirement of the client
• Building reusable components and front-end libraries 
• Translating designs and wireframes into high-quality code
• Developing and implementing front-end architecture to support user interface concepts.
• Optimize applications for maximum speed
• Collaborate with back-end engineers and web designers 
• Stay up-to-date on arising technologies

Must Have

• React.js, Redux
• HTML, CSS
• Bootstrap or Tailwind or Material UI
• JavaScript - Es6 or Es7 Syntax

Good to Have

• SSR - Next.js
• Gatsbby (SSG)
• Typescript
• Hooks/Flux/context API
• GraphQL
• SASS or SCSS
• knowledge of Deployment process

Benefits

• Positive work environment
• Remote work option
• Encourage and sponsor for learning and development programs
• Chance to work with advance technology 
• Opportunity to reveal hidden talent

About Us

Rezo.ai is an AI-Powered Contact Center that enables enterprises to enhance customer experience and boost revenue by automating and analyzing customer agent interactions across multiple channels including voice, email, chat/WhatsApp, and social, at the required scale, whilst training agents with minimal costs

How do we do it

Rezo’s AI-Powered contact center leverages groundbreaking technologies in AI, ML, ASR, NLP, RPA, and predictive intelligence to transform customer experience and reduce costs by automating, and analyzing customer-agent conversations across multiple channels including voice, email, chat/Whatsapp, and social media, whilst coaching them. 

Job description

We are looking for a great React/Redux Developer proficient with JavaScript. Developers' primary focus will be on developing user interface components and implementing them following well-known React.js workflows.

Responsibilities

• Responsible for the development of a new highly responsive, web-based user interface
• Construct visualizations that can depict vast amounts of data.
• Work and collaborate with the rest of the development team
• Work with the product team, backend team and server teams.
• Learn and understand user interactions and develop a flexible and well-structured front-end architecture, along with the APIs to support it.
• Developing new user-facing features using React and Redux
• 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
• Good time-management, interpersonal and communication skills.
• A natural inclination toward solving complex problems, Impulse to learn and master new technologies and curiosity to find new and unusual ways of how to solve various technical issues.

Desired Qualifications and Key Skills

• Bachelor’s degree in computer science, software/computer engineering or an equivalent degree from Tier 1 College is a Plus
• Prior Experience with a Product Based Company is a Plus.
• Should have 3+ years of hands-on experience in configuration, coding, testing and deploying web-based applications in React
• Working in an agile environment with agile methodologies is a must and having Git knowledge is an advantage.
• Should be able to work with designers to transform wireframes into Screens.
• Should be able to integrate screens to business logic and architect database schema to ensure complete design.

Cultural fitment 

Work at the heart of AI and customer engagement.

If you are fascinated by AI and looking to work with the latest AI technologies, in a fast growing and flexible work environment with immense growth opportunities, come and join us.

Rezo is the place to be if you want to work in an atmosphere where you can do meaningful research, contribute to the platform, and grow fast.

Culture/Values

We believe that allowing employees to pursue their interests and challenge the existing quo only helps to make Rezo a successful workplace. To that end, we are committed to assisting our employees in enhancing the skills that are vital to their professional growth.

FOCUS, INTEGRITY, TEAMWORK, PASSION, INNOVATION

Why Us?

We are a fast-paced start-up with some of the best talents from diverse backgrounds. Working together to solve customer service problems. We believe a diverse workforce is a powerful multiplier of innovation and growth, which is key to providing our clients with the best possible service and our employees with the best possible career. Diversity makes us smarter, more competitive, and more innovative.

Visit our website: https://rezo.ai/">https://rezo.ai/ for more information

Front End Developer – Angular

Front End Developer will be responsible for front end (web) development of our enterprise SaaS applications. You will work with the wireframe/UI Design and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works

Job Responsibilities:

• Development of responsible web application of enterprise SaaS products
• Develop new user-facing features
• Build reusable code and libraries for future use
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Assure that all user input is validated before submitting to back-end
• Collaborate with other team members and stakeholders

Qualifications:

• B.E./B.Tech./MCA or equivalent
• 7+ years’ experience as a Software Developer with at least 3+ years in a similar role

• Understanding of the entire web development process, including design, development and deployment, with some back-end knowledge, is important
• Excellent understanding of Angular 5+/React
• Proficient understanding of web mark-up, including HTML5, CSS3, Bootstrap
• Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
• Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Proficient understanding of code versioning tools, such as Git, Gitlab, SVN etc

• Good understanding of NodeJs will be a plus.

• Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as Gimp or Photoshop is a plus

Responsibilities

• Work closely with the design and backend team to build and develop web applications for our forward-thinking products.
• Design large-scale systems with high complexity to support our high throughput applications.
• Understand how to leverage infrastructure for solving such large-scale problems.
• Develop tools and contribute to open source wherever possible.
• Adopt problem-solving as a way of life - always go to the root cause.
• Develop scalable front-end engineering, for the largest FinTech companies in India who use our product.
• Actively think about improving UX and UI.
• Collaborate with the team to discuss and implement ideas.
• Build responsive, robust, and optimized applications.

• Professional development experience with Angular 10
• At least 1-2 years of JavaScript development experience for web applications.
• Strong eye for design, UI, and UX.
• Passion for front-end development.
• Willingness to learn and experiment with new technologies.

• Strong development experience of 2 years using front end technologies such as HTML,  JavaScript, CSS, JQuery, HTML5, React JS, Angular 4 or higher , Type Script
• Skilled at Object Oriented JavaScript and having a working knowledge of at least one of  the following MVC Frameworks (Angular, Ember, React etc.)
• In-depth understanding of the entire web development process (design, development, and deployment) 
• Understanding of common frontend design patterns for developing high performance, user friendly and robust applications