Sr. React Engineer

Role : React Developer

Location : Bangalore

Requirements: 

· Developing and implementing UI components using React.js

· Collaborating with cross-functional teams to design and ship new features

· Building reusable components and front-end libraries for future use

· Translating designs and wireframes into high-quality code

· Optimizing components for maximum performance across various web browsers

· Staying up-to-date with the latest industry trends and technologies

· Troubleshooting and debugging issues to ensure smooth user experiences

· Participating in code reviews to maintain code quality and consistency

· Required React developer requirements, qualifications & skills:

· Proficiency in React.js and its core principles

· Strong JavaScript, HTML5, and CSS3 skills

· Experience with popular React.js workflows (such as Redux)

· Familiarity with RESTful APIs and integration

· Knowledge of modern authorization mechanisms, such as JSON Web Tokens

· Understanding of front-end build tools and pipelines

· Excellent problem-solving and communication skills

· A strong attention to detail, and a passion for delivering high-quality code

· Adaptability to changing project requirements and priorities

· Experience with version control systems (e.g., Git)

· A degree in computer science, software engineering, or a related field

Frontend Developer (React + Expo) — Job Description

Experience: 6–12 Years

Type: Full-time

About the Role

We're looking for a talented Frontend Developer with React and Expo experience to join our product team. You'll own the frontend across web and mobile, crafting intuitive interfaces and seamless user experiences using a shared React codebase.

Key Responsibilities

• Build and maintain responsive web interfaces using React.js
• Develop cross-platform mobile experiences using React Native with Expo
• Translate Figma/design mockups into pixel-perfect, accessible UI components
• Manage application state using Redux, Zustand, or Context API
• Integrate REST APIs and GraphQL endpoints
• Ensure consistent performance and UX across browsers, iOS, and Android
• Participate in code reviews, sprint planning, and design discussions

Required Skills

• 6–12 years of frontend development experience
• Strong proficiency in React.js and React Native
• Hands-on experience with Expo (managed or bare workflow)
• Solid command of JavaScript / TypeScript
• Experience with CSS-in-JS, Tailwind CSS, or styled-components
• Familiarity with React Navigation or Expo Router
• Understanding of responsive design and mobile-first principles
• Experience consuming REST APIs

Nice to Have

• Experience with Next.js for web
• Knowledge of EAS Build and OTA updates
• Familiarity with animation libraries (Reanimated, Framer Motion)
• Basic understanding of CI/CD and app store deployments

What We Offer

• Competitive salary and equity
• Flexible remote-first work culture
• Learning & development budget
• Collaborative, low-ego team environment

Frontend Developer (ReactJS)

Company Profile

Egregore Labs (www.egregorelabs.com) is a financial software company founded in 2017 by Prashant Vijay (ISB, Tulane) & Hari Balaji (IIM Ahmedabad, IIT Madras) both of whom have spent over a decade each in Financial Services, with a majority of their experience at Goldman Sachs across New York, Hong Kong & Singapore in roles across Trading, Quant & Technology.
Opportunity
We are looking for an experienced Frontend engineer with ReactJS development experience to join our team.

Here’s are some of the things you might have to do on any given day:

• Implement responsive and performant UIs with user centered approach with frontend technologies including ReactJS, Javascript(ES 6), Typescript, SCSS, etc
• Write meaningful test cases for frontend &amp
• Integrate our products with 3rd party products/tools/services

• Develop Infrastructure for delivering services using a performance driven approach, build databases, schedule automated jobs, etc

Ideal Background / Experience

• At least 12 months of diverse experience in web development for product or services oriented environment with exposure to working production deployments
• Expertise in programming using Python/ReactJS or similar scripting languages
• In-depth exposure to technologies used in web-based SaaS products, including REST APIs
• Sound understanding of Postgres and NoSQL databases such as MongoDB

Nice to have exposure to any of

• AWS
• Azure
• ELK
• Object Relational Models (SQLAlchemy, etc)
• Google APIs
• Microservices Architecture Pattern
• NodeJS / ExpressJS

Work From Home

Package: upto 10L

• Design, develop and manage multiple secure and reliable web applications that process and manage transactions.
• Collaborate with UI/UX and Research teams to further improve current systems.
• Adapt technical trends in web applications to support product quality.
• Manage product compatibility across devices.
• Create peer learnings for team members and build context for new team mates
• Help with building the company's tech team and iterating on the hiring framework.
• Provide regular feedback to your team (peers and managers) to ensure continuous improvement.
• Keeping abreast with the latest technologies and working on your skills regularly.

Skills & Requirements

• At least 1 year of experience working in frontend for desktop and mobile web.
• Hands-on experience with HTML, CSS, and JavaScript plus experience with a modern framework (ReactJS is preferred).
• Well-versed in other non-vanilla languages (ex. TypeScript)
• Understanding of GraphQL APIs.
• Possess a deep understanding of basic security aspects on the frontend and how to mitigate them
• Deep understanding of web technologies in various mobile systems
• Have empathy for the users you build for

Good to have

• Experience in the fintech industry
• Experience working with cybersecurity and compliance

• You have 4-8 years of experience  in Frontend for web based applications with strong understanding of HTML, CSS, JavaScript, Frameworks like Angular  or React
• You love building things, and have built complex consumer web applications in the past.
• You have a sound understanding of data structures and algorithms.
• You are an expert in HTML, CSS, JavaScript and jQuery.
• You are an expert in at least one JavaScript framework, such as Angular 7+, React or Vue.
• You understand how website-backend interacts with frontend as well as external APIs.
• You enjoy mentoring others and helping them solve challenging problems.

Key Responsibilities:

• Participate in full project life cycle (including requirement analysis, system design, development, and support if required).
• Partner with Project Managers, Business Analysts, and other developers to plan project work by providing estimates, risk analysis, technical options.
• Support and work collaboratively with teams across areas of design, development, quality assurance, and operations.
• Help define the vision for a product, identify dead ends and routes with untapped potential.
• Attend meetings to discuss and demonstrate solutions at both a technical and business level.

Required Skills

• 5+ years of web application development experience using at least one of the following: Javascript, Web Components, Angular, Polymer, ReactJS, Redux, LitElement, Svelte, VueJS, or knockout.js. Web Components is used and preferred.
• Experience with SPA (Single Page Application) design and implementation
• Experience with HTML5/CSS3/JavaScript/ and AJAX
• Experience working with a variety of APIs and RESTful interfaces
• Experience with performance optimization
• Experience integrating security best practices into the SDLC
• Experience with Git
• 1+ years of Agile development experience
• Experience manipulating and working with data in a variety of forms: csv, xml, json, structured and unstructured
• Intellectual curiosity and drive; self-starters will thrive in this position
• Passion for Technology: excitement for new technology, bleeding edge applications, and a positive attitude towards solving real world challenges

Desirable Skills

• SQL experience. PostGreSQL a plus.
• Knowledge of AWS or other cloud environments is a plus.
• Knowledge JIRA, Bamboo, Confluence, or BitBucket a plus.
• Experience with CI/CD is a plus.
• Experience working with databases and web applications in analytics, reporting or Business Intelligence is a plus.

About us:  

We are a fiercely restless creative studio with a broad vision across design & product experiences. Big brands and startups approach us because they find a cool team of committed individuals with great taste, obsessed with technology, originality, music, art & quality. We believe in independence, curiosity, experimentation and reinvention as the beacons to navigate the world. Learn more about us: ​https://grappus.com/">https://grappus.com/ 

About the role:

We are seeking a Frontend developer who has a knack for coming up with creative solutions to unique problems. You should have good time management skills and be able to work both autonomously and collaboratively with a cross-discipline team of product managers, strategists, UX designers, art directors, and developers. Most importantly, you have an eye for detail and the ability to make beautiful designs come to life through code. 

What we’d like to see:

• Developing new user-facing features using React Native
• Building reusable components and 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
• Developing and implementing strong algorithms/techniques for solving problems in a high-volume, high-availability environment
• Good knowledge of User Interface patterns and techniques to solve common UI problems
• Solid understanding of building scalable, maintainable and efficient user interfaces

Must Have:

• Strong proficiency in JavaScript , the JavaScript object model and ES6
• Thorough understanding of React.js and its core principles
• Experience with state management libraries like Redux, Mobx etc.
• Familiarity with Android / iOS platforms and ability to link native libraries with React Native
• Familiarity with newer specifications of EcmaScript 6
• Experience with data structure libraries (e.g., Immutable.js, immer)
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelines and tools
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial
• Familiarity with frameworks like Bootstrap, Backbone, Angular,  React JS, and libraries like jQuery, LESS and Ajax

Nice to Have:

• Personal projects or contributions to the open source community
• Strong organizational skills to juggle multiple tasks within the constraints of timelines
• Team player (those great personality types that people love to work with)
• Great communication skills 

Benefits of being part of our amazing team:

• Flexible working hours
• We don’t track your leaves & work-from-home
• Freedom to implement latest technologies & new ideas
• Lots of in-house training sessions &  an in-house product lab
• A pretty unique & unconventional culture and a damn cool office space
• Lots of ways to have fun - TT,  Indoor basketball, PS4, board games and variety of books to read